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Overview
Comment: Added cue Changed Support link Working example for p5 Added dsl for tracking Added autocommit Various Fixes for Save Improve Docs and Bookmarks WebGL Demo
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SHA3-256: fa4745a0a7882de1fca2bd7aaa8a19b7722c83dcddc9cb380b95e806985a5dae
User & Date: dev 2021-11-08 06:21:09
Context
2021-11-13
18:29
Minor updates check-in: f4bfc3000a user: dev tags: trunk
2021-11-08
06:21
Added cue Changed Support link Working example for p5 Added dsl for tracking Added autocommit Various Fixes for Save Improve Docs and Bookmarks WebGL Demo check-in: fa4745a0a7 user: dev tags: trunk
2021-10-12
03:29
Added cue Changed Support link Working example for p5 check-in: 414174737a user: dev tags: trunk
Changes

Added autocommit.py.





























































































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import time
from watchdog.observers import Observer
from watchdog.events import RegexMatchingEventHandler
import os

def on_created(event):
    print(f"{event.src_path} has been created")
    os.system(f"git add {event.src_path}")
    os.system(f"git commit -m '{event.src_path} created'")

def on_deleted(event):
    print(f"Delete {event.src_path}!")
    os.system(f"git commit -m '{event.src_path} deleted'")


def on_modified(event):
    print(f"{event.src_path} has been modified")
    os.system(f"git add .")
    os.system(f"git commit -m '{event.src_path} modified'")

if __name__ == "__main__":
    # create the event handler
    ignore_patterns = [r"^.+/\.git.*"]
    ignore_directories = False
    case_sensitive = True
    my_event_handler = RegexMatchingEventHandler(ignore_regexes=ignore_patterns, ignore_directories=ignore_directories, case_sensitive=case_sensitive)

    my_event_handler.on_created = on_created
    my_event_handler.on_deleted = on_deleted
    my_event_handler.on_modified = on_modified

    # create an observer
    path = "."
    go_recursively = True
    my_observer = Observer()
    my_observer.schedule(my_event_handler, path, recursive=go_recursively)

    my_observer.start()
    try:
        while True:
            time.sleep(5)
    except:
        my_observer.stop()
        print("Observer Stopped")
    my_observer.join()

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window.goatcounter = {
    path: function(p) { return location.host + p }

}
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g.type='text/javascript'; g.async=true; g.src="\/\/blog.xyzzyapps.link\/oozotche\/matomo\/matomo.js"; s.parentNode.insertBefore(g,s);

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.custom-nav-footer {
    margin-top: 8em;
}








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.custom-nav-footer {
    margin-top: 8em;
}

.highlight .err {
    color: black !important;
    border: 0px solid !important;
}

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<!DOCTYPE html>

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    <title>Alternate Implementations &#8212; Bitrhythm&#39;s literate documentation</title>
    
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  <div class="section" id="alternate-implementations">
<h1>Alternate Implementations<a class="headerlink" href="#alternate-implementations" title="Permalink to this headline">¶</a></h1>
<p>Here’s some more demo songs from other systems</p>
<ul class="simple">
<li><p><a href="https://www.youtube.com/watch?v=xXNB1BbKY8A">Foxdot and Python</a></p></li>
<li><p><a href="https://www.youtube.com/watch?v=ALrgudRS2AQ">Csound</a></p></li>
</ul>
<p>The core ideas of bitrhythm are transferable to other languages as well. At most all you need is a music loop and samples to get started.</p>
<p>Here’s a demo by SunVox’s author ?</p>
<iframe width="560" height="315" src="https://www.youtube.com/embed/8r8wsvHUbCo" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
<p>An example in C with raylib</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>brew install raylib
cc ray.c  `pkg-config --libs --cflags raylib` -o ray
</pre></div>
</div>
<div class="highlight-C notranslate"><div class="highlight"><pre><span></span><span class="cp">#include</span> <span class="cpf">&quot;raylib.h&quot;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;unistd.h&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;stdio.h&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;time.h&gt;</span><span class="cp"></span>
<span class="cp">#include</span> <span class="cpf">&lt;stdlib.h&gt;</span><span class="cp"></span>

<span class="kt">void</span> <span class="nf">setTimeout</span><span class="p">(</span><span class="kt">int</span> <span class="n">milliseconds</span><span class="p">)</span>
<span class="p">{</span>
    <span class="c1">// If milliseconds is less or equal to 0</span>
    <span class="c1">// will be simple return from function without throw error</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">milliseconds</span> <span class="o">&lt;=</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span>
        <span class="n">fprintf</span><span class="p">(</span><span class="n">stderr</span><span class="p">,</span> <span class="s">&quot;Count milliseconds for timeout is less or equal to 0</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">);</span>
        <span class="k">return</span><span class="p">;</span>
    <span class="p">}</span>

    <span class="c1">// a current time of milliseconds</span>
    <span class="kt">int</span> <span class="n">milliseconds_since</span> <span class="o">=</span> <span class="n">clock</span><span class="p">()</span> <span class="o">*</span> <span class="mi">1000</span> <span class="o">/</span> <span class="n">CLOCKS_PER_SEC</span><span class="p">;</span>

    <span class="c1">// needed count milliseconds of return from this timeout</span>
    <span class="kt">int</span> <span class="n">end</span> <span class="o">=</span> <span class="n">milliseconds_since</span> <span class="o">+</span> <span class="n">milliseconds</span><span class="p">;</span>

    <span class="c1">// wait while until needed time comes</span>
    <span class="k">do</span> <span class="p">{</span>
        <span class="n">milliseconds_since</span> <span class="o">=</span> <span class="n">clock</span><span class="p">()</span> <span class="o">*</span> <span class="mi">1000</span> <span class="o">/</span> <span class="n">CLOCKS_PER_SEC</span><span class="p">;</span>
    <span class="p">}</span> <span class="k">while</span> <span class="p">(</span><span class="n">milliseconds_since</span> <span class="o">&lt;=</span> <span class="n">end</span><span class="p">);</span>
<span class="p">}</span>


<span class="kt">int</span> <span class="nf">main</span><span class="p">(</span><span class="kt">void</span><span class="p">)</span>
<span class="p">{</span>

    <span class="n">InitAudioDevice</span><span class="p">();</span>      <span class="c1">// Initialize audio device</span>

    <span class="n">Sound</span> <span class="n">fxWav</span> <span class="o">=</span> <span class="n">LoadSound</span><span class="p">(</span><span class="s">&quot;Music/Kick01.wav&quot;</span><span class="p">);</span>
    <span class="n">Sound</span> <span class="n">fxWav2</span> <span class="o">=</span> <span class="n">LoadSound</span><span class="p">(</span><span class="s">&quot;Music/Clap01.wav&quot;</span><span class="p">);</span>

    <span class="kt">int</span> <span class="n">bpm</span><span class="p">;</span>
    <span class="n">printf</span><span class="p">(</span><span class="s">&quot;Enter bpm: &quot;</span><span class="p">);</span>
    <span class="n">scanf</span><span class="p">(</span><span class="s">&quot;%d&quot;</span><span class="p">,</span> <span class="o">&amp;</span><span class="n">bpm</span><span class="p">);</span>
    <span class="kt">float</span> <span class="n">time_per_beat</span> <span class="o">=</span> <span class="p">(</span><span class="mf">60.0</span> <span class="o">/</span> <span class="n">bpm</span><span class="p">)</span> <span class="o">*</span> <span class="mi">4</span><span class="p">;</span>
    <span class="kt">int</span> <span class="n">delay</span> <span class="o">=</span> <span class="p">(</span><span class="n">time_per_beat</span> <span class="o">*</span> <span class="mi">1000</span><span class="p">)</span> <span class="o">/</span> <span class="mi">16</span><span class="p">;</span>
    <span class="n">printf</span><span class="p">(</span><span class="s">&quot;%d</span><span class="se">\n</span><span class="s">&quot;</span><span class="p">,</span> <span class="n">delay</span><span class="p">);</span>

    <span class="k">while</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> <span class="p">{</span>

        <span class="kt">int</span> <span class="n">i</span><span class="p">;</span>
        <span class="k">for</span> <span class="p">(</span><span class="n">i</span> <span class="o">=</span> <span class="mi">1</span><span class="p">;</span> <span class="n">i</span> <span class="o">&lt;=</span> <span class="mi">16</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
            <span class="k">if</span> <span class="p">((</span><span class="n">i</span> <span class="o">==</span> <span class="mi">1</span><span class="p">)</span> <span class="o">||</span> <span class="p">(</span><span class="n">i</span> <span class="o">==</span> <span class="mi">5</span><span class="p">)</span> <span class="o">||</span> <span class="p">(</span><span class="n">i</span> <span class="o">==</span> <span class="mi">9</span><span class="p">)</span> <span class="o">||</span>  <span class="p">(</span><span class="n">i</span> <span class="o">==</span> <span class="mi">13</span><span class="p">))</span> <span class="p">{</span>
                <span class="n">PlaySound</span><span class="p">(</span><span class="n">fxWav</span><span class="p">);</span>
            <span class="p">}</span>
            <span class="k">if</span> <span class="p">((</span><span class="n">i</span> <span class="o">==</span> <span class="mi">5</span><span class="p">)</span> <span class="o">||</span>  <span class="p">(</span><span class="n">i</span> <span class="o">==</span> <span class="mi">13</span><span class="p">))</span> <span class="p">{</span>
                <span class="n">PlaySound</span><span class="p">(</span><span class="n">fxWav2</span><span class="p">);</span>
            <span class="p">}</span>
            <span class="n">setTimeout</span><span class="p">(</span><span class="n">delay</span><span class="p">);</span>
        <span class="p">}</span>
    <span class="p">}</span>


    <span class="n">UnloadSound</span><span class="p">(</span><span class="n">fxWav</span><span class="p">);</span>     <span class="c1">// Unload sound data</span>
    <span class="n">UnloadSound</span><span class="p">(</span><span class="n">fxWav2</span><span class="p">);</span>     <span class="c1">// Unload sound data</span>

    <span class="n">CloseAudioDevice</span><span class="p">();</span>     <span class="c1">// Close audio device</span>


    <span class="k">return</span> <span class="mi">0</span><span class="p">;</span>
<span class="p">}</span>
</pre></div>
</div>
<div class="section" id="elementary">
<h2>Elementary<a class="headerlink" href="#elementary" title="Permalink to this headline">¶</a></h2>
<p>Elementary is a javascript runtime - <a class="reference external" href="https://github.com/nick-thompson/elementary">https://github.com/nick-thompson/elementary</a>.</p>
<p>The following is a basic incomplete example that makes use of the sample. Need to update it to the latest Elementary version to simplify tick logic.</p>
<div class="highlight-js notranslate"><div class="highlight"><pre><span></span><span class="kd">const</span> <span class="nx">el</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s1">&#39;@nick-thompson/elementary&#39;</span><span class="p">);</span>

<span class="kd">const</span> <span class="nx">kick02</span> <span class="o">=</span> <span class="s1">&#39;./Music/Kick01.wav&#39;</span><span class="p">;</span>
<span class="kd">const</span> <span class="nx">hh02</span> <span class="o">=</span> <span class="s1">&#39;./Music/HH02.wav&#39;</span><span class="p">;</span>
<span class="kd">const</span> <span class="nx">clap01</span> <span class="o">=</span> <span class="s1">&#39;./Music/Clap01.wav&#39;</span><span class="p">;</span>

<span class="kd">let</span> <span class="nx">voices</span> <span class="o">=</span> <span class="p">{</span>
  <span class="s1">&#39;60&#39;</span><span class="o">:</span> <span class="p">{</span><span class="nx">gain</span><span class="o">:</span> <span class="mf">1.0</span><span class="p">,</span> <span class="nx">gate</span><span class="o">:</span> <span class="mf">0.0</span><span class="p">,</span> <span class="nx">path</span><span class="o">:</span> <span class="nx">kick02</span><span class="p">,</span> <span class="nx">key</span><span class="o">:</span> <span class="s1">&#39;v1&#39;</span><span class="p">},</span>
  <span class="s1">&#39;61&#39;</span><span class="o">:</span> <span class="p">{</span><span class="nx">gain</span><span class="o">:</span> <span class="mf">1.0</span><span class="p">,</span> <span class="nx">gate</span><span class="o">:</span> <span class="mf">0.0</span><span class="p">,</span> <span class="nx">path</span><span class="o">:</span> <span class="nx">hh02</span><span class="p">,</span> <span class="nx">key</span><span class="o">:</span> <span class="s1">&#39;v2&#39;</span><span class="p">},</span>
  <span class="s1">&#39;62&#39;</span><span class="o">:</span> <span class="p">{</span><span class="nx">gain</span><span class="o">:</span> <span class="mf">0.6</span><span class="p">,</span> <span class="nx">gate</span><span class="o">:</span> <span class="mf">0.0</span><span class="p">,</span> <span class="nx">path</span><span class="o">:</span> <span class="nx">clap01</span><span class="p">,</span> <span class="nx">key</span><span class="o">:</span> <span class="s1">&#39;v3&#39;</span><span class="p">},</span>
<span class="p">};</span>

<span class="kd">function</span> <span class="nx">updateVoiceState</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
  <span class="k">if</span> <span class="p">(</span><span class="nx">e</span> <span class="o">&amp;&amp;</span> <span class="nx">e</span><span class="p">.</span><span class="nx">hasOwnProperty</span><span class="p">(</span><span class="s1">&#39;type&#39;</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="nx">e</span><span class="p">.</span><span class="nx">type</span> <span class="o">===</span> <span class="s1">&#39;noteOn&#39;</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="nx">voices</span><span class="p">.</span><span class="nx">hasOwnProperty</span><span class="p">(</span><span class="nx">e</span><span class="p">.</span><span class="nx">noteNumber</span><span class="p">))</span> <span class="p">{</span>
      <span class="nx">voices</span><span class="p">[</span><span class="nx">e</span><span class="p">.</span><span class="nx">noteNumber</span><span class="p">].</span><span class="nx">gate</span> <span class="o">=</span> <span class="mf">1.0</span><span class="p">;</span>
    <span class="p">}</span>
  <span class="p">}</span>

  <span class="k">if</span> <span class="p">(</span><span class="nx">e</span> <span class="o">&amp;&amp;</span> <span class="nx">e</span><span class="p">.</span><span class="nx">hasOwnProperty</span><span class="p">(</span><span class="s1">&#39;type&#39;</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="nx">e</span><span class="p">.</span><span class="nx">type</span> <span class="o">===</span> <span class="s1">&#39;noteOff&#39;</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="nx">voices</span><span class="p">.</span><span class="nx">hasOwnProperty</span><span class="p">(</span><span class="nx">e</span><span class="p">.</span><span class="nx">noteNumber</span><span class="p">))</span> <span class="p">{</span>
      <span class="nx">voices</span><span class="p">[</span><span class="nx">e</span><span class="p">.</span><span class="nx">noteNumber</span><span class="p">].</span><span class="nx">gate</span> <span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span>
    <span class="p">}</span>
  <span class="p">}</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">samplerVoice</span><span class="p">(</span><span class="nx">voice</span><span class="p">)</span> <span class="p">{</span>
  <span class="kd">let</span> <span class="nx">gate</span> <span class="o">=</span> <span class="nx">el</span><span class="p">.</span><span class="kd">const</span><span class="p">({</span><span class="nx">key</span><span class="o">:</span> <span class="nx">voice</span><span class="p">.</span><span class="nx">key</span><span class="p">,</span> <span class="nx">value</span><span class="o">:</span> <span class="nx">voice</span><span class="p">.</span><span class="nx">gate</span><span class="p">});</span>
  <span class="k">return</span> <span class="nx">el</span><span class="p">.</span><span class="nx">mul</span><span class="p">(</span><span class="nx">voice</span><span class="p">.</span><span class="nx">gain</span><span class="p">,</span> <span class="nx">el</span><span class="p">.</span><span class="nx">sample</span><span class="p">({</span><span class="nx">path</span><span class="o">:</span> <span class="nx">voice</span><span class="p">.</span><span class="nx">path</span><span class="p">},</span> <span class="nx">gate</span><span class="p">));</span>
<span class="p">}</span>

<span class="nx">elementary</span><span class="p">.</span><span class="nx">core</span><span class="p">.</span><span class="nx">on</span><span class="p">(</span><span class="s1">&#39;load&#39;</span><span class="p">,</span> <span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
        <span class="kd">let</span> <span class="nx">i</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span>
        <span class="kd">let</span> <span class="nx">step</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span>
        <span class="kd">function</span> <span class="nx">function2</span><span class="p">()</span> <span class="p">{</span>
            <span class="nx">step</span> <span class="o">=</span> <span class="nx">i</span> <span class="o">%</span> <span class="mf">16</span><span class="p">;</span>
            <span class="nx">console</span><span class="p">.</span><span class="nx">log</span><span class="p">(</span><span class="nx">step</span><span class="p">)</span>
            <span class="k">if</span> <span class="p">(</span><span class="nx">i</span> <span class="o">%</span> <span class="mf">4</span> <span class="o">==</span> <span class="mf">0</span><span class="p">)</span> <span class="p">{</span>
              <span class="nx">updateVoiceState</span><span class="p">({</span><span class="nx">type</span><span class="o">:</span> <span class="s1">&#39;noteOn&#39;</span><span class="p">,</span> <span class="nx">noteNumber</span><span class="o">:</span> <span class="s1">&#39;60&#39;</span><span class="p">});</span>
            <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
              <span class="nx">updateVoiceState</span><span class="p">({</span><span class="nx">type</span><span class="o">:</span> <span class="s1">&#39;noteOff&#39;</span><span class="p">,</span> <span class="nx">noteNumber</span><span class="o">:</span> <span class="s1">&#39;60&#39;</span><span class="p">});</span>
            <span class="p">}</span>

            <span class="k">if</span> <span class="p">((</span><span class="nx">i</span> <span class="o">!==</span> <span class="mf">0</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="p">(</span><span class="nx">i</span> <span class="o">%</span> <span class="mf">8</span> <span class="o">==</span> <span class="mf">0</span><span class="p">))</span> <span class="p">{</span>
              <span class="nx">updateVoiceState</span><span class="p">({</span><span class="nx">type</span><span class="o">:</span> <span class="s1">&#39;noteOn&#39;</span><span class="p">,</span> <span class="nx">noteNumber</span><span class="o">:</span> <span class="s1">&#39;62&#39;</span><span class="p">});</span>
            <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
              <span class="nx">updateVoiceState</span><span class="p">({</span><span class="nx">type</span><span class="o">:</span> <span class="s1">&#39;noteOff&#39;</span><span class="p">,</span> <span class="nx">noteNumber</span><span class="o">:</span> <span class="s1">&#39;62&#39;</span><span class="p">});</span>
            <span class="p">}</span>

            <span class="kd">let</span> <span class="nx">out</span> <span class="o">=</span> <span class="nx">el</span><span class="p">.</span><span class="nx">add</span><span class="p">(</span><span class="nb">Object</span><span class="p">.</span><span class="nx">keys</span><span class="p">(</span><span class="nx">voices</span><span class="p">).</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">n</span><span class="p">)</span> <span class="p">{</span>
                <span class="k">return</span> <span class="nx">samplerVoice</span><span class="p">(</span><span class="nx">voices</span><span class="p">[</span><span class="nx">n</span><span class="p">]);</span>
            <span class="p">}));</span>

            <span class="kd">let</span> <span class="nx">filtered</span> <span class="o">=</span> <span class="nx">el</span><span class="p">.</span><span class="nx">lowpass</span><span class="p">(</span><span class="mf">1800</span><span class="p">,</span> <span class="mf">1.414</span><span class="p">,</span> <span class="nx">out</span><span class="p">);</span>
            <span class="nx">elementary</span><span class="p">.</span><span class="nx">core</span><span class="p">.</span><span class="nx">render</span><span class="p">(</span><span class="nx">filtered</span><span class="p">,</span> <span class="nx">filtered</span><span class="p">);</span>
            <span class="nx">i</span><span class="o">++</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="nx">setInterval</span><span class="p">(</span><span class="nx">function2</span><span class="p">,</span> <span class="mf">60000</span> <span class="o">/</span> <span class="mf">120.0</span> <span class="o">/</span> <span class="mf">2</span><span class="p">);</span>
<span class="p">});</span>
</pre></div>
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  <div class="section" id="bookmarks">
<h1>Bookmarks<a class="headerlink" href="#bookmarks" title="Permalink to this headline">¶</a></h1>
<div class="section" id="webaudio">
<h2>WebAudio<a class="headerlink" href="#webaudio" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="http://blog.mecheye.net/2017/09/i-dont-know-who-the-web-audio-api-is-designed-for/">http://blog.mecheye.net/2017/09/i-dont-know-who-the-web-audio-api-is-designed-for/</a><br />
<a class="reference external" href="https://joshondesign.com/p/books/canvasdeepdive/chapter12.html">https://joshondesign.com/p/books/canvasdeepdive/chapter12.html</a><br />
<a class="reference external" href="https://robert.ocallahan.org/2017/09/some-opinions-on-history-of-web-audio.html">https://robert.ocallahan.org/2017/09/some-opinions-on-history-of-web-audio.html</a><br />
<a class="reference external" href="https://webaudioapi.com/book/Web_Audio_API_Boris_Smus.pdf">https://webaudioapi.com/book/Web_Audio_API_Boris_Smus.pdf</a></p>


<p><a class="reference external" href="https://web.noom.com/company-blog/2015/08/cooking-is-like-programming/">https://web.noom.com/company-blog/2015/08/cooking-is-like-programming/</a></p>

<p><a class="reference external" href="https://github.com/ideoforms/isobar">https://github.com/ideoforms/isobar</a><br />
<a class="reference external" href="https://github.com/tmhglnd/mercury/blob/master/docs/reference.md">https://github.com/tmhglnd/mercury/blob/master/docs/reference.md</a><br />
<a class="reference external" href="https://foxdot.org/docs/pattern-functions/">https://foxdot.org/docs/pattern-functions/</a><br />
<a class="reference external" href="https://faustdoc.grame.fr/">https://faustdoc.grame.fr/</a></p>




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<div class="section" id="obsevers">
<h2>Obsevers<a class="headerlink" href="#obsevers" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="https://github.com/rsimmons/plinth">https://github.com/rsimmons/plinth</a><br />
<a class="reference external" href="https://github.com/gullerya/object-observer">https://github.com/gullerya/object-observer</a><br />
<a class="reference external" href="https://awesomeopensource.com/project/nx-js/observer-util">https://awesomeopensource.com/project/nx-js/observer-util</a><br />
<a class="reference external" href="https://doc.esdoc.org/github.com/jstoolkit/dom-observer/">https://doc.esdoc.org/github.com/jstoolkit/dom-observer/</a><br />
................................................................................
<a class="reference external" href="https://github.com/colxi/deep-observer">https://github.com/colxi/deep-observer</a><br />
<a class="reference external" href="https://www.npmjs.com/package/observe">https://www.npmjs.com/package/observe</a><br />
<a class="reference external" href="https://www.vertexshaderart.com/new/">https://www.vertexshaderart.com/new/</a></p>
</div>
<div class="section" id="visuals">
<h2>Visuals<a class="headerlink" href="#visuals" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="https://compform.net/turtles/">https://compform.net/turtles/</a><br />
<a class="reference external" href="https://github.com/capnmidnight/Primrose">https://github.com/capnmidnight/Primrose</a></p>
<p>The code editor borrows some CSS styles from this project





























<a class="reference external" href="https://github.com/htor/repeat-editor">https://github.com/htor/repeat-editor</a></p>















</div>
<div class="section" id="inspiration">
<h2>Inspiration<a class="headerlink" href="#inspiration" title="Permalink to this headline">¶</a></h2>






<p><a class="reference external" href="http://wavepot.com/">http://wavepot.com/</a><br />
<a class="reference external" href="https://glicol.web.app/">https://glicol.web.app/</a><br />
<a class="reference external" href="http://charlie-roberts.com/gibber/">http://charlie-roberts.com/gibber/</a><br />
<a class="reference external" href="https://tweakable.org/">https://tweakable.org/</a></p>







</div>
<div class="section" id="misc">
<h2>Misc<a class="headerlink" href="#misc" title="Permalink to this headline">¶</a></h2>








<p><a class="reference external" href="https://ccrma.stanford.edu/~blackrse/algorithm.html">https://ccrma.stanford.edu/~blackrse/algorithm.html</a><br />
<a class="reference external" href="https://oeis.org/">https://oeis.org/</a><br />
<a class="reference external" href="https://www.cs.cmu.edu/~music/cmsip/readings/MIDI%20tutorial%20for%20programmers.html">https://www.cs.cmu.edu/~music/cmsip/readings/MIDI%20tutorial%20for%20programmers.html</a>
<a class="reference external" href="https://en.wikipedia.org/wiki/Computational_creativity">https://en.wikipedia.org/wiki/Computational_creativity</a><br />
<a class="reference external" href="https://en.wikipedia.org/wiki/Algorithmic_composition">https://en.wikipedia.org/wiki/Algorithmic_composition</a></p>






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  <div class="section" id="bookmarks">
<h1>Bookmarks<a class="headerlink" href="#bookmarks" title="Permalink to this headline">¶</a></h1>
<div class="section" id="webaudio">
<h2>WebAudio<a class="headerlink" href="#webaudio" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="http://blog.mecheye.net/2017/09/i-dont-know-who-the-web-audio-api-is-designed-for/">http://blog.mecheye.net/2017/09/i-dont-know-who-the-web-audio-api-is-designed-for/</a><br />
<a class="reference external" href="https://joshondesign.com/p/books/canvasdeepdive/chapter12.html">https://joshondesign.com/p/books/canvasdeepdive/chapter12.html</a><br />
<a class="reference external" href="https://robert.ocallahan.org/2017/09/some-opinions-on-history-of-web-audio.html">https://robert.ocallahan.org/2017/09/some-opinions-on-history-of-web-audio.html</a><br />
<a class="reference external" href="https://webaudioapi.com/book/Web_Audio_API_Boris_Smus.pdf">https://webaudioapi.com/book/Web_Audio_API_Boris_Smus.pdf</a><br />
<a class="reference external" href="https://developers.google.com/web/updates/2017/12/audio-worklet">https://developers.google.com/web/updates/2017/12/audio-worklet</a><br />
<a class="reference external" href="https://blog.chrislowis.co.uk/2013/06/10/playing-multiple-notes-web-audio-api.html">https://blog.chrislowis.co.uk/2013/06/10/playing-multiple-notes-web-audio-api.html</a><br />
<a class="reference external" href="https://web.noom.com/company-blog/2015/08/cooking-is-like-programming/">https://web.noom.com/company-blog/2015/08/cooking-is-like-programming/</a><br />
<a class="reference external" href="https://catarak.github.io/blog/2014/12/02/web-audio-timing-tutorial/">https://catarak.github.io/blog/2014/12/02/web-audio-timing-tutorial/</a><br />
<a class="reference external" href="https://github.com/ideoforms/isobar">https://github.com/ideoforms/isobar</a><br />
<a class="reference external" href="https://github.com/tmhglnd/mercury/blob/master/docs/reference.md">https://github.com/tmhglnd/mercury/blob/master/docs/reference.md</a><br />

<a class="reference external" href="https://github.com/thedjinn/js303">https://github.com/thedjinn/js303</a><br />
<a class="reference external" href="https://www.sitepoint.com/creating-accurate-timers-in-javascript/">https://www.sitepoint.com/creating-accurate-timers-in-javascript/</a><br />
<a class="reference external" href="https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API/Advanced_techniques">https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API/Advanced_techniques</a><br />
<a class="reference external" href="https://webaudiodemos.appspot.com/">https://webaudiodemos.appspot.com/</a><br />
<a class="reference external" href="https://www.html5rocks.com/en/tutorials/audio/scheduling/">https://www.html5rocks.com/en/tutorials/audio/scheduling/</a></p>
</div>
<div class="section" id="obsevers">
<h2>Obsevers<a class="headerlink" href="#obsevers" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="https://github.com/rsimmons/plinth">https://github.com/rsimmons/plinth</a><br />
<a class="reference external" href="https://github.com/gullerya/object-observer">https://github.com/gullerya/object-observer</a><br />
<a class="reference external" href="https://awesomeopensource.com/project/nx-js/observer-util">https://awesomeopensource.com/project/nx-js/observer-util</a><br />
<a class="reference external" href="https://doc.esdoc.org/github.com/jstoolkit/dom-observer/">https://doc.esdoc.org/github.com/jstoolkit/dom-observer/</a><br />
................................................................................
<a class="reference external" href="https://github.com/colxi/deep-observer">https://github.com/colxi/deep-observer</a><br />
<a class="reference external" href="https://www.npmjs.com/package/observe">https://www.npmjs.com/package/observe</a><br />
<a class="reference external" href="https://www.vertexshaderart.com/new/">https://www.vertexshaderart.com/new/</a></p>
</div>
<div class="section" id="visuals">
<h2>Visuals<a class="headerlink" href="#visuals" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="https://compform.net/turtles/">https://compform.net/turtles/</a><br />
<a class="reference external" href="https://github.com/capnmidnight/Primrose">https://github.com/capnmidnight/Primrose</a><br />
<a class="reference external" href="https://therewasaguy.github.io/p5-music-viz/">https://therewasaguy.github.io/p5-music-viz/</a><br />
<a class="reference external" href="https://github.com/derekwolpert/Visicality">https://github.com/derekwolpert/Visicality</a><br />
<a class="reference external" href="https://github.com/gattis/milkshake">https://github.com/gattis/milkshake</a><br />
<a class="reference external" href="https://github.com/preziotte/party-mode">https://github.com/preziotte/party-mode</a><br />
<a class="reference external" href="https://medium.com/swlh/building-a-audio-visualizer-with-javascript-324b8d420e7">https://medium.com/swlh/building-a-audio-visualizer-with-javascript-324b8d420e7</a><br />
<a class="reference external" href="https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API/Visualizations_with_Web_Audio_API">https://developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API/Visualizations_with_Web_Audio_API</a><br />
<a class="reference external" href="https://www.airtightinteractive.com/2013/10/making-audio-reactive-visuals/">https://www.airtightinteractive.com/2013/10/making-audio-reactive-visuals/</a><br />
<a class="reference external" href="https://1mb.club/">https://1mb.club/</a></p>
</div>
<div class="section" id="misc">
<h2>Misc<a class="headerlink" href="#misc" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="https://teropa.info/blog/2016/08/10/frequency-and-pitch.html">https://teropa.info/blog/2016/08/10/frequency-and-pitch.html</a><br />
<a class="reference external" href="http://www.pawfal.org/fluxus/documentation/">http://www.pawfal.org/fluxus/documentation/</a><br />
<a class="reference external" href="https://music.tutsplus.com/tutorials/how-to-create-acid-synth-sequences--audio-3000">https://music.tutsplus.com/tutorials/how-to-create-acid-synth-sequences–audio-3000</a><br />
<a class="reference external" href="https://acidvoice.com/tb_303_famous_patterns.php">https://acidvoice.com/tb_303_famous_patterns.php</a><br />
<a class="reference external" href="https://www.adsrsounds.com/ni-massive-tutorials/dub-techno-synth-stab-tutorial/">https://www.adsrsounds.com/ni-massive-tutorials/dub-techno-synth-stab-tutorial/</a><br />
<a class="reference external" href="https://medias.ircam.fr/x9d4352">https://medias.ircam.fr/x9d4352</a><br />
<a class="reference external" href="https://vuejsexamples.com/a-drum-synthesizer-sequencer-built-with-tone-js-and-vue-js/js">https://vuejsexamples.com/a-drum-synthesizer-sequencer-built-with-tone-js-and-vue-js/js</a><br />
<a class="reference external" href="https://areknawo.com/10-libraries-for-web-audio-stuff/">https://areknawo.com/10-libraries-for-web-audio-stuff/</a><br />
<a class="reference external" href="https://dev.to/sustained/sforzando-an-app-for-learning-and-experimenting-with-music-theory-harmony-composition-44cm">https://dev.to/sustained/sforzando-an-app-for-learning-and-experimenting-with-music-theory-harmony-composition-44cm</a><br />
<a class="reference external" href="https://cdm.link/2016/08/blokdust-amazing-graphical-sound-tool-browser/">https://cdm.link/2016/08/blokdust-amazing-graphical-sound-tool-browser/</a><br />
<a class="reference external" href="https://arxiv.org/pdf/1902.03722.pdf">https://arxiv.org/pdf/1902.03722.pdf</a><br />
<a class="reference external" href="https://quod.lib.umich.edu/i/icmc/bbp2372.1991.011?rgn=main%3Bview=fulltext">https://quod.lib.umich.edu/i/icmc/bbp2372.1991.011?rgn=main%3Bview=fulltext</a><br />
<a class="reference external" href="http://strasheela.sourceforge.net/strasheela/doc/index.html">http://strasheela.sourceforge.net/strasheela/doc/index.html</a></p>
</div>
<div class="section" id="other-projects">
<h2>Other Projects<a class="headerlink" href="#other-projects" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="https://www.iannix.org/en/projects/">https://www.iannix.org/en/projects/</a><br />
<a class="reference external" href="https://tweakable.org/examples">https://tweakable.org/examples</a><br />
<a class="reference external" href="https://808303.studio/">https://808303.studio/</a><br />
<a class="reference external" href="https://github.com/jshanley/blip">https://github.com/jshanley/blip</a>
<a class="reference external" href="https://github.com/alemangui/pizzicato">https://github.com/alemangui/pizzicato</a><br />
<a class="reference external" href="https://github.com/irritant/serialist-grammar#syntax">https://github.com/irritant/serialist-grammar#syntax</a><br />
<a class="reference external" href="https://reactronica.com/">https://reactronica.com/</a><br />
<a class="reference external" href="https://www.websynths.org/">https://www.websynths.org/</a><br />
<a class="reference external" href="https://github.com/keithclark/ZzFXM">https://github.com/keithclark/ZzFXM</a><br />
<a class="reference external" href="https://github.com/jshanley/blip">https://github.com/jshanley/blip</a><br />
<a class="reference external" href="https://flockingjs.org/">https://flockingjs.org/</a><br />
<a class="reference external" href="https://github.com/xi-livecode/xi">https://github.com/xi-livecode/xi</a><br />
<a class="reference external" href="https://github.com/siaflab/petal">https://github.com/siaflab/petal</a><br />
<a class="reference external" href="https://github.com/sharow/lovelive">https://github.com/sharow/lovelive</a><br />
<a class="reference external" href="https://mohayonao.github.io/mml-emitter/">https://mohayonao.github.io/mml-emitter/</a><br />
<a class="reference external" href="https://github.com/kevincennis/TinyMusic">https://github.com/kevincennis/TinyMusic</a><br />
<a class="reference external" href="https://github.com/pixicoder/PS">https://github.com/pixicoder/PS</a><br />
<a class="reference external" href="https://github.com/swallez/livecoding-webaudio-tonejs">https://github.com/swallez/livecoding-webaudio-tonejs</a><br />
<a class="reference external" href="https://padenot.github.io/litsynth/">https://padenot.github.io/litsynth/</a></p>
</div>
<div class="section" id="inspiration">
<h2>Inspiration<a class="headerlink" href="#inspiration" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="https://github.com/AuburnSounds/Dplug/wiki/Dplug-VST2-Guide">https://github.com/AuburnSounds/Dplug/wiki/Dplug-VST2-Guide</a><br />
<a class="reference external" href="https://github.com/tmhglnd/mercury">https://github.com/tmhglnd/mercury</a><br />
<a class="reference external" href="https://www.mazbox.com/synths/dubstep/">https://www.mazbox.com/synths/dubstep/</a><br />
<a class="reference external" href="https://cdm.link/2019/04/automated-techno-eternal-flow/">https://cdm.link/2019/04/automated-techno-eternal-flow/</a><br />
<a class="reference external" href="https://survios.com/electronauts/">https://survios.com/electronauts/</a><br />
<a class="reference external" href="https://liv3c0der.com/">https://liv3c0der.com/</a><br />
<a class="reference external" href="http://wavepot.com/">http://wavepot.com/</a><br />
<a class="reference external" href="https://glicol.web.app/">https://glicol.web.app/</a><br />
<a class="reference external" href="http://charlie-roberts.com/gibber/">http://charlie-roberts.com/gibber/</a><br />
<a class="reference external" href="https://tweakable.org/">https://tweakable.org/</a>
<a class="reference external" href="https://foxdot.org/docs/pattern-functions/">https://foxdot.org/docs/pattern-functions/</a><br />
<a class="reference external" href="https://faustdoc.grame.fr/">https://faustdoc.grame.fr/</a><br />
<a class="reference external" href="https://www.fsynth.com/">https://www.fsynth.com/</a><br />
<a class="reference external" href="https://errozero.co.uk/acid-machine/">https://errozero.co.uk/acid-machine/</a><br />
<a class="reference external" href="https://the.wubmachine.com/">https://the.wubmachine.com/</a><br />
<a class="reference external" href="https://scribbletune.com/documentation/browser/browser-clip">https://scribbletune.com/documentation/browser/browser-clip</a><br />
<a class="reference external" href="https://djen.co/">https://djen.co/</a></p>
</div>
<div class="section" id="music">
<h2>Music<a class="headerlink" href="#music" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="http://www.p01.org/256b_woman_farmer/">http://www.p01.org/256b_woman_farmer/</a><br />
<a class="reference external" href="https://aem1k.com/">https://aem1k.com/</a><br />
<a class="reference external" href="https://ludotune.com/">https://ludotune.com/</a><br />
<a class="reference external" href="https://www.mazbox.com/synths/dubstep/">https://www.mazbox.com/synths/dubstep/</a></p>
</div>
<div class="section" id="algorithmic-music">
<h2>Algorithmic Music<a class="headerlink" href="#algorithmic-music" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="https://cmsw.mit.edu/algorithmic-music-experience-composing-wolframtones/">https://cmsw.mit.edu/algorithmic-music-experience-composing-wolframtones/</a><br />
<a class="reference external" href="https://ccrma.stanford.edu/~blackrse/algorithm.html">https://ccrma.stanford.edu/~blackrse/algorithm.html</a><br />
<a class="reference external" href="https://oeis.org/">https://oeis.org/</a><br />
<a class="reference external" href="https://www.cs.cmu.edu/~music/cmsip/readings/MIDI%20tutorial%20for%20programmers.html">https://www.cs.cmu.edu/~music/cmsip/readings/MIDI%20tutorial%20for%20programmers.html</a>
<a class="reference external" href="https://en.wikipedia.org/wiki/Computational_creativity">https://en.wikipedia.org/wiki/Computational_creativity</a><br />
<a class="reference external" href="https://en.wikipedia.org/wiki/Algorithmic_composition">https://en.wikipedia.org/wiki/Algorithmic_composition</a><br />
<a class="reference external" href="https://en.wikipedia.org/wiki/Constraint_programming">https://en.wikipedia.org/wiki/Constraint_programming</a><br />
<a class="reference external" href="https://www.bipscript.org/">https://www.bipscript.org/</a><br />
<a class="reference external" href="http://commonmusic.sourceforge.net/cm/res/doc/cm.html">http://commonmusic.sourceforge.net/cm/res/doc/cm.html</a><br />
<a class="reference external" href="https://bolprocessor.sourceforge.io/docs/">https://bolprocessor.sourceforge.io/docs/</a><br />
<a class="reference external" href="https://en.wikipedia.org/wiki/Music_Macro_Language">https://en.wikipedia.org/wiki/Music_Macro_Language</a><br />
<a class="reference external" href="https://github.com/IjzerenHein/kiwi.js/">https://github.com/IjzerenHein/kiwi.js/</a></p>
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<h1>Credits<a class="headerlink" href="#credits" title="Permalink to this headline">¶</a></h1>
<p>The code editor borrows some CSS styles from this project</p>
<p><a class="reference external" href="https://github.com/htor/repeat-editor">https://github.com/htor/repeat-editor</a></p>
<p><a class="reference external" href="https://www.vitling.xyz/toys/acid-banger/">Endless acid banger</a> by Vitling. I use 303 from this project.</p>
<p><a class="reference external" href="https://tonejs.github.io/">Tone.js</a></p>
<p><a class="reference external" href="https://github.com/sebpiq/WebPd">Web Pure Data</a></p>
<p><a class="reference external" href="https://nexus-js.github.io/ui/">Nexus Js</a> for UI.</p>
<p>WebAudio, DemoScene and Audio Programmer discord communities.<br></p>
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   Example1
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<p>Postprocessed using Reaper with EQ and Surround effects to add some sparkle.
Video is recorded with the help of Blackhole and Kap and rendered by Reaper.</p>
<p>Samples taken from Deep Techno and Dub Techno collections from splice. Sadly I can’t distribute the song itself as I would also have to distribute the samples with it.</p>
</div>
<div class="section" id="demo-song-1-techno">
<h2>Demo Song 1 // Techno<a class="headerlink" href="#demo-song-1-techno" title="Permalink to this headline">¶</a></h2>
<p>Code for the Demo Song. The visualisation was disabled in the Demo as it was causing a huge lag while recording on both windows and mac.</p>

<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">volume_guard1</span> <span class="o">=</span> <span class="n">guard</span><span class="p">([</span><span class="o">-</span><span class="mi">20</span><span class="p">,</span><span class="mi">15</span><span class="p">])</span>
<span class="n">volume_guard2</span> <span class="o">=</span> <span class="n">guard</span><span class="p">([</span><span class="o">-</span><span class="mi">20</span><span class="p">,</span><span class="mi">15</span><span class="p">])</span>
<span class="n">Tone</span><span class="o">.</span><span class="n">Master</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">volume_guard1</span><span class="p">(</span><span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">dials</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]()</span> <span class="o">*</span> <span class="mi">30</span><span class="p">)</span> <span class="o">-</span><span class="mi">20</span><span class="p">);</span>
 <span class="o">//</span><span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_channel&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">volume_guard2</span><span class="p">(</span><span class="o">-</span><span class="mi">2</span><span class="p">);</span>
 <span class="o">//</span><span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">frequency</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">dials</span><span class="p">[</span><span class="mi">1</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]()</span> <span class="o">*</span> <span class="mi">10000</span><span class="p">);</span>
<span class="o">//</span><span class="n">mem</span><span class="p">[</span><span class="s2">&quot;l_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">frequency</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">dials</span><span class="p">[</span><span class="mi">1</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]()</span> <span class="o">*</span> <span class="mi">1000</span><span class="p">);</span>

................................................................................
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span> <span class="n">volume</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="o">.</span><span class="n">master</span><span class="p">)</span>
    <span class="n">samples</span><span class="p">[</span><span class="n">no</span><span class="p">]</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]);</span>
<span class="p">}</span>

<span class="n">function</span> <span class="n">p</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">note</span><span class="p">,</span> <span class="nb">len</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">note</span> <span class="o">=</span> <span class="n">note</span> <span class="o">||</span> <span class="s2">&quot;C3&quot;</span>
    <span class="nb">len</span> <span class="o">=</span> <span class="nb">len</span> <span class="o">||</span> <span class="s2">&quot;16n&quot;</span>
    <span class="n">samples</span><span class="p">[</span><span class="n">s</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">note</span><span class="p">,</span> <span class="nb">len</span><span class="p">,</span> <span class="n">time</span><span class="p">);</span>
<span class="p">}</span>

<span class="n">function</span> <span class="n">once</span> <span class="p">()</span> <span class="p">{</span>
    
	<span class="n">var</span> <span class="n">vis</span> <span class="o">=</span> <span class="n">initWinamp</span><span class="p">(</span><span class="s2">&quot;Cope - The Neverending Explosion of Red Liquid Fire&quot;</span><span class="p">);</span>
    <span class="n">render_loop</span> <span class="o">=</span> <span class="n">function</span> <span class="p">()</span> <span class="p">{</span>
       <span class="n">vis</span><span class="o">.</span><span class="n">render</span><span class="p">();</span>
................................................................................
       <span class="p">}</span>
    <span class="p">}</span>

<span class="p">}</span>
</pre></div>
</div>
</div>
<div class="section" id="example1">
<h2>Example1<a class="headerlink" href="#example1" title="Permalink to this headline">¶</a></h2>
<p>This illustrates the core concepts of bitrhythm.</p>
<ol class="simple">
<li><p>Samples (Tone.Sampler)</p></li>
<li><p>Dials (use cellx internally)</p></li>
<li><p>Observers (cellx)</p></li>
</ol>
<p>See <a class="reference external" href="https://tonejs.github.io/">https://tonejs.github.io/</a> for more notes.</p>
................................................................................
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 1011 1001 1000 1000&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 00x0 00x0 00x0 00x0&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 0000 x000 0000 x000&quot;</span><span class="p">),</span>
<span class="p">]</span>

<span class="n">patterns</span> <span class="o">=</span> <span class="n">scene1</span>

<span class="n">function</span> <span class="n">Sample</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">no</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">name</span> <span class="o">=</span> <span class="n">name</span> <span class="o">||</span> <span class="s2">&quot;sample&quot;</span>
    <span class="n">name</span> <span class="o">+=</span> <span class="n">no</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Filter</span><span class="p">(</span><span class="mi">10000</span><span class="p">,</span> <span class="s1">&#39;lowpass&#39;</span><span class="p">,</span> <span class="o">-</span><span class="mi">96</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span><span class="mi">0</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="o">.</span><span class="n">master</span><span class="p">)</span>
    <span class="n">samples</span><span class="p">[</span><span class="n">no</span><span class="p">]</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]);</span>
<span class="p">}</span>

<span class="n">function</span> <span class="n">p</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">note</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">note</span> <span class="o">=</span> <span class="n">note</span> <span class="o">||</span> <span class="s2">&quot;C3&quot;</span>
    <span class="n">samples</span><span class="p">[</span><span class="n">s</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttack</span><span class="p">(</span><span class="n">note</span><span class="p">,</span> <span class="n">time</span><span class="p">);</span>
<span class="p">}</span>

<span class="n">var</span> <span class="n">once</span> <span class="o">=</span> <span class="n">function</span> <span class="p">()</span> <span class="p">{</span>
    <span class="n">Tone</span><span class="o">.</span><span class="n">Master</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="o">-</span><span class="mi">30</span>
    <span class="n">mem</span><span class="o">.</span><span class="n">master</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span> <span class="o">-</span><span class="mi">10</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Destination</span><span class="p">);</span>
    <span class="n">mem</span><span class="o">.</span><span class="n">volume_guard</span> <span class="o">=</span> <span class="n">guard</span><span class="p">([</span><span class="o">-</span><span class="mi">20</span><span class="p">,</span><span class="o">-</span><span class="mi">10</span><span class="p">]);</span>

    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;k&quot;</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;h&quot;</span><span class="p">,</span> <span class="mi">1</span><span class="p">);</span>
................................................................................
<p>Increase the dial to see the addition of the snare. This is how you can use observers to trigger unrelated changes. I call them sideevents, as the logic is similar to sidechain, which typically observers the volume.</p>
<p>Comment and Uncomment lines in the <code class="docutils literal notranslate"><span class="pre">if</span> <span class="pre">(isHit)</span></code> block. To mute and unmute sections.</p>
<p><em>Note:</em> <code class="docutils literal notranslate"><span class="pre">mem[&quot;k0_channel&quot;].solo</span> <span class="pre">=</span> <span class="pre">true;</span></code> is not working.</p>
<p><strong>Visuals</strong></p>
<p>Change the once function to this and click <code class="docutils literal notranslate"><span class="pre">+</span> <span class="pre">Execute</span> <span class="pre">Once</span></code></p>
<p>Code is taken from butterchurn. Try changing <a class="reference external" href="https://butterchurnviz.com/">presets</a> to get different visuals.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">var</span> <span class="n">tweak</span> <span class="o">=</span> <span class="n">function</span><span class="p">()</span> <span class="p">{</span>
    <span class="n">var</span> <span class="n">can</span> <span class="o">=</span> <span class="n">document</span><span class="o">.</span><span class="n">getElementById</span><span class="p">(</span><span class="s2">&quot;visual&quot;</span><span class="p">);</span>
    <span class="n">var</span> <span class="n">can_container</span> <span class="o">=</span> <span class="n">document</span><span class="o">.</span><span class="n">getElementById</span><span class="p">(</span><span class="s2">&quot;canvas-container&quot;</span><span class="p">);</span>
    <span class="n">can</span><span class="o">.</span><span class="n">width</span> <span class="o">=</span> <span class="n">window</span><span class="o">.</span><span class="n">innerWidth</span><span class="p">;</span>
    <span class="n">can</span><span class="o">.</span><span class="n">height</span> <span class="o">=</span> <span class="n">window</span><span class="o">.</span><span class="n">innerHeight</span><span class="p">;</span>
    <span class="n">can_container</span><span class="o">.</span><span class="n">width</span> <span class="o">=</span> <span class="n">window</span><span class="o">.</span><span class="n">innerWidth</span><span class="p">;</span>
    <span class="n">window</span><span class="o">.</span><span class="n">visualizer</span> <span class="o">=</span> <span class="n">window</span><span class="o">.</span><span class="n">butterchurn</span><span class="o">.</span><span class="n">default</span><span class="o">.</span><span class="n">createVisualizer</span><span class="p">(</span><span class="n">Tone</span><span class="o">.</span><span class="n">getContext</span><span class="p">()</span><span class="o">.</span><span class="n">rawContext</span><span class="p">,</span> <span class="n">can</span><span class="p">,</span> <span class="p">{</span>
        <span class="n">width</span><span class="p">:</span> <span class="n">window</span><span class="o">.</span><span class="n">innerWidth</span><span class="p">,</span>
        <span class="n">height</span><span class="p">:</span> <span class="n">window</span><span class="o">.</span><span class="n">innerHeight</span><span class="p">,</span>
    <span class="p">});</span>
    <span class="n">window</span><span class="o">.</span><span class="n">visualizer</span><span class="o">.</span><span class="n">connectAudio</span><span class="p">(</span><span class="n">Tone</span><span class="o">.</span><span class="n">getContext</span><span class="p">()</span><span class="o">.</span><span class="n">destination</span><span class="p">);</span>
    <span class="n">const</span> <span class="n">presets</span> <span class="o">=</span> <span class="n">butterchurnPresets</span><span class="o">.</span><span class="n">getPresets</span><span class="p">();</span>
    <span class="n">const</span> <span class="n">preset</span> <span class="o">=</span> <span class="n">presets</span><span class="p">[</span><span class="s2">&quot;_Aderrasi - Wanderer in Curved Space - mash0000 - faclempt kibitzing meshuggana schmaltz (Geiss color mix)&quot;</span><span class="p">]</span>
    <span class="n">window</span><span class="o">.</span><span class="n">visualizer</span><span class="o">.</span><span class="n">loadPreset</span><span class="p">(</span><span class="n">preset</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">);</span> <span class="o">//</span> <span class="mi">2</span><span class="n">nd</span> <span class="n">argument</span> <span class="ow">is</span> <span class="n">the</span> <span class="n">number</span> <span class="n">of</span> <span class="n">seconds</span> <span class="n">to</span> <span class="n">blend</span> <span class="n">presets</span>

    <span class="n">render_loop</span> <span class="o">=</span> <span class="n">function</span> <span class="p">()</span> <span class="p">{</span>
        <span class="n">window</span><span class="o">.</span><span class="n">visualizer</span><span class="o">.</span><span class="n">render</span><span class="p">();</span>
    <span class="p">}</span>
<span class="p">}</span>
</pre></div>
</div>
................................................................................
        <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;k0_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">frequency</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">mem</span><span class="o">.</span><span class="n">k1</span><span class="o">.</span><span class="n">move</span><span class="p">()</span> <span class="o">*</span> <span class="mi">1000</span><span class="p">;</span>
    <span class="p">}</span>
<span class="p">}</span>
</pre></div>
</div>
<p>As you can sere numbers and dials will be available as a global array.</p>
<p>There is no way to remove them so be careful about the order in which you add them.</p>
<p>The following code will always be executed as its at the top level. As you can see this code implies that the first dial is connected to the master volume. Use guards to avoid going deaf as sometimes editing can created bad frequency numbers.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Tone</span><span class="o">.</span><span class="n">Master</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">volume_guard</span><span class="p">((</span><span class="mi">1</span> <span class="o">-</span> <span class="n">dials</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]())</span> <span class="o">*</span> <span class="o">-</span><span class="mi">30</span><span class="p">);</span>
</pre></div>
</div>
</div>
<div class="section" id="example2">
<h2>Example2<a class="headerlink" href="#example2" title="Permalink to this headline">¶</a></h2>
<ul class="simple">
<li><p>Kick + Filter</p></li>
<li><p>Snare + Filter</p></li>
<li><p>Snare + Filter + Delay</p></li>
<li><p>High Hat</p></li>
<li><p>Lead + Filter</p></li>
<li><p>Dub Stab + Filter + Reverb</p></li>
................................................................................
<span class="n">reverb</span><span class="o">.</span><span class="n">roomSize</span> <span class="o">=</span> <span class="mf">0.9</span><span class="p">;</span>
</pre></div>
</div>
</div>
<div class="section" id="full-code">
<h2>Full Code<a class="headerlink" href="#full-code" title="Permalink to this headline">¶</a></h2>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">volume_guard1</span> <span class="o">=</span> <span class="n">guard</span><span class="p">([</span><span class="o">-</span><span class="mi">20</span><span class="p">,</span><span class="mi">15</span><span class="p">])</span>
<span class="n">volume_guard2</span> <span class="o">=</span> <span class="n">guard</span><span class="p">([</span><span class="o">-</span><span class="mi">20</span><span class="p">,</span><span class="mi">15</span><span class="p">])</span>
<span class="n">Tone</span><span class="o">.</span><span class="n">Master</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">volume_guard1</span><span class="p">(</span><span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">dials</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]()</span> <span class="o">*</span> <span class="mi">30</span><span class="p">)</span> <span class="o">-</span><span class="mi">20</span><span class="p">);</span>
 <span class="o">//</span><span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_channel&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">volume_guard2</span><span class="p">(</span><span class="o">-</span><span class="mi">2</span><span class="p">);</span>
<span class="o">//</span> <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">frequency</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">dials</span><span class="p">[</span><span class="mi">1</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]()</span> <span class="o">*</span> <span class="mi">10000</span><span class="p">);</span>
<span class="o">//</span> <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;l_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">frequency</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">dials</span><span class="p">[</span><span class="mi">1</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]()</span> <span class="o">*</span> <span class="mi">1000</span><span class="p">);</span>


<span class="n">scene1</span> <span class="o">=</span> <span class="p">[</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 1000 1000 1000 1000&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 00x0 00x0 00x0 00x0&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 0x00 0000 0000 x000&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 0000 x000 0000 x000&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p xx0x x0x0 x0x0 0xxx&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p x000 x0x0 0000 x0x0&quot;</span><span class="p">),</span>
<span class="p">]</span>

<span class="n">patterns</span> <span class="o">=</span> <span class="n">scene1</span>

<span class="n">always</span><span class="p">();</span>

<span class="n">function</span> <span class="n">NoiseSynth</span> <span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">name</span> <span class="o">=</span> <span class="n">name</span> <span class="o">||</span> <span class="s2">&quot;wf&quot;</span><span class="p">;</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_stereo&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">StereoWidener</span><span class="p">({</span><span class="n">width</span><span class="p">:</span> <span class="mi">1</span><span class="p">});</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span>  <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Noise</span><span class="p">(</span><span class="s2">&quot;pink&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">start</span><span class="p">();</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Filter</span><span class="p">(</span><span class="mi">400</span><span class="p">,</span> <span class="s1">&#39;lowpass&#39;</span><span class="p">,</span> <span class="o">-</span><span class="mi">96</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span> <span class="o">-</span><span class="mi">10</span><span class="p">,</span> <span class="n">pan</span><span class="p">:</span> <span class="o">-</span><span class="mf">0.8</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_stereo&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="o">.</span><span class="n">master</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">])</span>
<span class="p">}</span>


<span class="n">function</span> <span class="n">Sample</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">no</span><span class="p">,</span> <span class="nb">filter</span><span class="p">,</span> <span class="n">volume</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">name</span> <span class="o">=</span> <span class="n">name</span>
    <span class="nb">filter</span> <span class="o">=</span> <span class="nb">filter</span> <span class="o">||</span> <span class="mi">10000</span>
    <span class="n">volume</span> <span class="o">=</span> <span class="n">volume</span> <span class="o">||</span> <span class="mi">0</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Filter</span><span class="p">(</span><span class="nb">filter</span><span class="p">,</span> <span class="s1">&#39;lowpass&#39;</span><span class="p">,</span> <span class="o">-</span><span class="mi">96</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span> <span class="n">volume</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="o">.</span><span class="n">master</span><span class="p">)</span>
    <span class="n">samples</span><span class="p">[</span><span class="n">no</span><span class="p">]</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]);</span>
<span class="p">}</span>

<span class="n">function</span> <span class="n">Stab</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">name</span> <span class="o">=</span> <span class="n">name</span> <span class="o">||</span> <span class="s2">&quot;stab&quot;</span><span class="p">;</span>

    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Filter</span><span class="p">(</span><span class="mi">5250</span><span class="p">,</span> <span class="s1">&#39;lowpass&#39;</span><span class="p">,</span> <span class="o">-</span><span class="mi">96</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_hfilter&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Filter</span><span class="p">(</span><span class="mi">80</span><span class="p">,</span> <span class="s1">&#39;highpass&#39;</span><span class="p">,</span> <span class="o">-</span><span class="mi">96</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_reverb&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Reverb</span><span class="p">(</span><span class="mf">0.1</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_delay&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">FeedbackDelay</span><span class="p">(</span><span class="s2">&quot;4n&quot;</span><span class="p">,</span> <span class="mf">0.4</span><span class="p">);</span>
    <span class="o">//</span> <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_pdelay&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">PingPongDelay</span><span class="p">(</span><span class="s2">&quot;2n&quot;</span><span class="p">,</span> <span class="mf">0.1</span><span class="p">);</span>
     <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_stereo&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">StereoWidener</span><span class="p">({</span><span class="n">width</span><span class="p">:</span> <span class="mf">0.25</span><span class="p">});</span>
     <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span> <span class="o">-</span><span class="mi">2</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">]</span> <span class="p">,</span>   <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_delay&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_reverb&quot;</span><span class="p">],</span>  <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_hfilter&quot;</span><span class="p">]</span> <span class="p">,</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_stereo&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="o">.</span><span class="n">master</span><span class="p">)</span>


    <span class="n">function</span> <span class="n">voice</span><span class="p">(</span><span class="n">no</span><span class="p">,</span> <span class="nb">type</span><span class="p">)</span> <span class="p">{</span>
        <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_synth&quot;</span> <span class="o">+</span> <span class="n">no</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">MonoSynth</span><span class="p">({</span>
            <span class="n">oscillator</span><span class="p">:</span> <span class="p">{</span>
                <span class="nb">type</span><span class="p">:</span> <span class="nb">type</span>
            <span class="p">}</span>
................................................................................
    <span class="n">voice</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="s2">&quot;sawtooth&quot;</span><span class="p">)</span>
    <span class="n">voice</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="s2">&quot;sawtooth&quot;</span><span class="p">)</span>
    <span class="n">voice</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="s2">&quot;pwm&quot;</span><span class="p">)</span>
    <span class="n">voice</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="s2">&quot;pwm&quot;</span><span class="p">)</span>
    <span class="n">voice</span><span class="p">(</span><span class="mi">6</span><span class="p">,</span> <span class="s2">&quot;pwm&quot;</span><span class="p">)</span>
<span class="p">}</span>


<span class="n">function</span> <span class="n">p</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">note</span><span class="p">,</span> <span class="nb">len</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">note</span> <span class="o">=</span> <span class="n">note</span> <span class="o">||</span> <span class="s2">&quot;C3&quot;</span>
    <span class="nb">len</span> <span class="o">=</span> <span class="nb">len</span> <span class="o">||</span> <span class="s2">&quot;16n&quot;</span>
    <span class="n">samples</span><span class="p">[</span><span class="n">s</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">note</span><span class="p">,</span> <span class="nb">len</span><span class="p">,</span> <span class="n">time</span><span class="p">);</span>
<span class="p">}</span>


<span class="n">function</span> <span class="n">s</span><span class="p">(</span><span class="n">vel</span><span class="p">,</span> <span class="n">notes</span><span class="p">,</span> <span class="n">duration</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">vel</span> <span class="o">=</span> <span class="n">vel</span> <span class="o">||</span> <span class="mf">1.0</span><span class="p">;</span>
    <span class="n">duration</span> <span class="o">=</span> <span class="n">duration</span> <span class="o">||</span> <span class="s2">&quot;2n&quot;</span><span class="p">;</span>
    <span class="n">notes</span> <span class="o">=</span> <span class="n">notes</span> <span class="o">||</span>  <span class="p">[</span><span class="s2">&quot;E2&quot;</span><span class="p">,</span> <span class="s2">&quot;B2&quot;</span><span class="p">,</span> <span class="s2">&quot;G2&quot;</span><span class="p">];</span>
    <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth1&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">time</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth2&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">time</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth3&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">2</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">time</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>

    <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth4&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">time</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth5&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">time</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>
   <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth6&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">2</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">time</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>
<span class="p">}</span>




























<span class="n">function</span> <span class="n">once</span> <span class="p">()</span> <span class="p">{</span>

    

	<span class="o">//</span> <span class="n">var</span> <span class="n">vis</span> <span class="o">=</span> <span class="n">initWinamp</span><span class="p">(</span><span class="s2">&quot;Unchained - Rewop&quot;</span><span class="p">);</span>

    <span class="n">render_loop</span> <span class="o">=</span> <span class="n">function</span> <span class="p">()</span> <span class="p">{</span>
       <span class="o">//</span> <span class="n">vis</span><span class="o">.</span><span class="n">render</span><span class="p">();</span>
    <span class="p">}</span>

    <span class="n">Tone</span><span class="o">.</span><span class="n">Master</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="o">-</span><span class="mi">30</span>
    <span class="n">mem</span><span class="o">.</span><span class="n">master</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span> <span class="o">-</span><span class="mi">10</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">Tone</span><span class="o">.</span><span class="n">Destination</span><span class="p">);</span>

    <span class="o">//</span> <span class="n">NoiseSynth</span><span class="p">();</span>
    <span class="n">Stab</span><span class="p">();</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;k&quot;</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">3000</span><span class="p">,</span> <span class="mi">3</span><span class="p">);</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;h&quot;</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">7000</span><span class="p">,</span> <span class="o">-</span><span class="mi">15</span><span class="p">);</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;sn&quot;</span><span class="p">,</span><span class="mi">2</span><span class="p">,</span> <span class="mi">6000</span><span class="p">,</span> <span class="o">-</span><span class="mi">15</span><span class="p">);</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;c&quot;</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">800</span><span class="p">,</span> <span class="o">-</span><span class="mi">10</span><span class="p">);</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;l&quot;</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">420</span><span class="p">,</span> <span class="o">-</span><span class="mi">15</span><span class="p">);</span>


    <span class="n">handlers</span><span class="p">[</span><span class="s2">&quot;1&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">function</span> <span class="p">(</span><span class="n">val</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">val</span> <span class="o">&gt;</span> <span class="mf">0.5</span><span class="p">)</span> <span class="p">{</span>
            <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;start_snare&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">true</span><span class="p">;</span>
        <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
            <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;start_snare&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">false</span><span class="p">;</span>
        <span class="p">}</span>
................................................................................
        <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">Q</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">val</span> <span class="o">*</span> <span class="mi">5</span><span class="p">);</span>
    <span class="p">}</span>

    <span class="n">dials</span><span class="p">[</span><span class="mi">1</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">onChange</span><span class="p">(</span><span class="n">function</span> <span class="p">(</span><span class="n">e</span><span class="p">)</span> <span class="p">{</span>
        <span class="n">var</span> <span class="n">val</span> <span class="o">=</span> <span class="n">parseFloat</span><span class="p">(</span><span class="n">e</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">value</span><span class="p">);</span>
        <span class="n">handlers</span><span class="p">[</span><span class="s2">&quot;1&quot;</span><span class="p">](</span><span class="n">val</span><span class="p">);</span>
    <span class="p">})</span>
    
    

<span class="p">}</span>


<span class="n">function</span> <span class="n">tweak</span> <span class="p">()</span> <span class="p">{</span>
	<span class="n">mem</span><span class="o">.</span><span class="n">k1</span> <span class="o">=</span> <span class="n">knob</span><span class="p">({</span><span class="n">ramp</span> <span class="p">:</span> <span class="p">[</span><span class="mf">0.525</span><span class="p">,</span> <span class="mf">0.8</span><span class="p">,</span> <span class="mf">0.4</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mf">0.25</span><span class="p">,</span> <span class="mf">0.75</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mf">0.25</span><span class="p">,</span> <span class="mf">0.1</span><span class="p">],</span> <span class="s2">&quot;number&quot;</span><span class="p">:</span> <span class="n">dials</span><span class="p">[</span><span class="mi">2</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]</span> <span class="p">});</span>
    <span class="n">always</span> <span class="o">=</span> <span class="n">function</span> <span class="p">()</span> <span class="p">{</span>
        <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">frequency</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">mem</span><span class="o">.</span><span class="n">k1</span><span class="o">.</span><span class="n">move</span><span class="p">()</span> <span class="o">*</span> <span class="mi">10000</span><span class="p">;</span>
    <span class="p">}</span>
<span class="p">}</span>




<span class="n">function</span> <span class="n">sampleTest</span> <span class="p">()</span> <span class="p">{</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;l&quot;</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">10000</span><span class="p">,</span> <span class="o">-</span><span class="mi">5</span><span class="p">);</span>

<span class="p">}</span>



<span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">&lt;=</span> <span class="mi">3</span> <span class="p">)</span> <span class="p">{</span>
	<span class="n">transition</span> <span class="o">=</span> <span class="n">once</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
	<span class="n">transition</span> <span class="o">=</span> <span class="n">tweak</span><span class="p">;</span>
<span class="p">}</span>

<span class="k">if</span> <span class="p">(</span><span class="n">isHit</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">1</span><span class="p">)</span> <span class="p">{</span>
   		 <span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">&gt;</span> <span class="mi">0</span> <span class="p">)</span> <span class="p">{</span>
       		 <span class="n">p</span><span class="p">(</span><span class="mi">0</span><span class="p">);</span>
        <span class="p">}</span>
    <span class="p">}</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">2</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">&gt;</span> <span class="mi">8</span> <span class="p">)</span> <span class="p">{</span>
       	 	<span class="n">p</span><span class="p">(</span><span class="mi">1</span><span class="p">);</span>
        <span class="p">}</span>	
    <span class="p">}</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">3</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">&gt;</span> <span class="mi">4</span> <span class="p">)</span> <span class="p">{</span>
    		<span class="n">s</span><span class="p">();</span>
        <span class="p">}</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">==</span> <span class="mi">6</span><span class="p">)</span> <span class="p">{</span>
        	<span class="n">transition</span><span class="p">();</span>
        <span class="p">}</span>
    <span class="p">}</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">4</span><span class="p">)</span> <span class="p">{</span>
        <span class="o">//</span> <span class="n">Uncomment</span> <span class="k">for</span> <span class="n">snare</span>
      <span class="o">//</span>  <span class="k">if</span> <span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="s2">&quot;start_snare&quot;</span><span class="p">])</span> <span class="p">{</span>
            <span class="n">p</span><span class="p">(</span><span class="mi">2</span><span class="p">);</span>
      <span class="o">//</span>  <span class="p">}</span>

    <span class="p">}</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">5</span><span class="p">)</span> <span class="p">{</span>
         <span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">&gt;</span> <span class="mi">12</span><span class="p">)</span> <span class="p">{</span>
	  		<span class="n">p</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span>
        <span class="p">}</span>
       <span class="o">//</span> <span class="n">a</span><span class="p">();</span>
    <span class="p">}</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">6</span><span class="p">)</span> <span class="p">{</span>
      <span class="o">//</span> <span class="n">p</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="s2">&quot;B3&quot;</span><span class="p">,</span> <span class="s2">&quot;8n&quot;</span><span class="p">)</span>
    <span class="p">}</span>




<span class="p">}</span>
</pre></div>
</div>
</div>
</div>


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 <li class="toctree-l1">
  <a class="reference internal" href="bookmarks.html">
   Bookmarks
  </a>
 </li>
</ul>
................................................................................
 </li>
 <li class="toc-h2 nav-item toc-entry">
  <a class="reference internal nav-link" href="#demo-song-1-techno">
   Demo Song 1 // Techno
  </a>
 </li>
 <li class="toc-h2 nav-item toc-entry">
  <a class="reference internal nav-link" href="#getting-started">
   Getting Started
  </a>
 </li>
 <li class="toc-h2 nav-item toc-entry">
  <a class="reference internal nav-link" href="#tutorial">
   Tutorial
  </a>
 </li>
 <li class="toc-h2 nav-item toc-entry">
  <a class="reference internal nav-link" href="#full-code">
   Full Code
  </a>
 </li>
................................................................................
<p>Postprocessed using Reaper with EQ and Surround effects to add some sparkle.
Video is recorded with the help of Blackhole and Kap and rendered by Reaper.</p>
<p>Samples taken from Deep Techno and Dub Techno collections from splice. Sadly I can’t distribute the song itself as I would also have to distribute the samples with it.</p>
</div>
<div class="section" id="demo-song-1-techno">
<h2>Demo Song 1 // Techno<a class="headerlink" href="#demo-song-1-techno" title="Permalink to this headline">¶</a></h2>
<p>Code for the Demo Song. The visualisation was disabled in the Demo as it was causing a huge lag while recording on both windows and mac.</p>
<p>Note: Could could be outdated due to latest changes to the API.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">volume_guard1</span> <span class="o">=</span> <span class="n">guard</span><span class="p">([</span><span class="o">-</span><span class="mi">20</span><span class="p">,</span><span class="mi">15</span><span class="p">])</span>
<span class="n">volume_guard2</span> <span class="o">=</span> <span class="n">guard</span><span class="p">([</span><span class="o">-</span><span class="mi">20</span><span class="p">,</span><span class="mi">15</span><span class="p">])</span>
<span class="n">Tone</span><span class="o">.</span><span class="n">Master</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">volume_guard1</span><span class="p">(</span><span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">dials</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]()</span> <span class="o">*</span> <span class="mi">30</span><span class="p">)</span> <span class="o">-</span><span class="mi">20</span><span class="p">);</span>
 <span class="o">//</span><span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_channel&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">volume_guard2</span><span class="p">(</span><span class="o">-</span><span class="mi">2</span><span class="p">);</span>
 <span class="o">//</span><span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">frequency</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">dials</span><span class="p">[</span><span class="mi">1</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]()</span> <span class="o">*</span> <span class="mi">10000</span><span class="p">);</span>
<span class="o">//</span><span class="n">mem</span><span class="p">[</span><span class="s2">&quot;l_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">frequency</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">dials</span><span class="p">[</span><span class="mi">1</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]()</span> <span class="o">*</span> <span class="mi">1000</span><span class="p">);</span>

................................................................................
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span> <span class="n">volume</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="o">.</span><span class="n">master</span><span class="p">)</span>
    <span class="n">samples</span><span class="p">[</span><span class="n">no</span><span class="p">]</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]);</span>
<span class="p">}</span>

<span class="n">function</span> <span class="n">p</span><span class="p">(</span><span class="n">s</span><span class="p">,</span> <span class="n">note</span><span class="p">,</span> <span class="nb">len</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">note</span> <span class="o">=</span> <span class="n">note</span> <span class="o">||</span> <span class="s2">&quot;C3&quot;</span>
    <span class="nb">len</span> <span class="o">=</span> <span class="nb">len</span> <span class="o">||</span> <span class="s2">&quot;16n&quot;</span>
    <span class="n">samples</span><span class="p">[</span><span class="n">s</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">note</span><span class="p">,</span> <span class="nb">len</span><span class="p">,</span> <span class="n">undefined</span><span class="p">);</span>
<span class="p">}</span>

<span class="n">function</span> <span class="n">once</span> <span class="p">()</span> <span class="p">{</span>
    
	<span class="n">var</span> <span class="n">vis</span> <span class="o">=</span> <span class="n">initWinamp</span><span class="p">(</span><span class="s2">&quot;Cope - The Neverending Explosion of Red Liquid Fire&quot;</span><span class="p">);</span>
    <span class="n">render_loop</span> <span class="o">=</span> <span class="n">function</span> <span class="p">()</span> <span class="p">{</span>
       <span class="n">vis</span><span class="o">.</span><span class="n">render</span><span class="p">();</span>
................................................................................
       <span class="p">}</span>
    <span class="p">}</span>

<span class="p">}</span>
</pre></div>
</div>
</div>
<div class="section" id="getting-started">
<h2>Getting Started<a class="headerlink" href="#getting-started" title="Permalink to this headline">¶</a></h2>
<p>This illustrates the core concepts of bitrhythm.</p>
<ol class="simple">
<li><p>Samples (Tone.Sampler)</p></li>
<li><p>Dials (use cellx internally)</p></li>
<li><p>Observers (cellx)</p></li>
</ol>
<p>See <a class="reference external" href="https://tonejs.github.io/">https://tonejs.github.io/</a> for more notes.</p>
................................................................................
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 1011 1001 1000 1000&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 00x0 00x0 00x0 00x0&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 0000 x000 0000 x000&quot;</span><span class="p">),</span>
<span class="p">]</span>

<span class="n">patterns</span> <span class="o">=</span> <span class="n">scene1</span>














<span class="n">var</span> <span class="n">once</span> <span class="o">=</span> <span class="n">function</span> <span class="p">()</span> <span class="p">{</span>
    <span class="n">Tone</span><span class="o">.</span><span class="n">Master</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="o">-</span><span class="mi">30</span>
    <span class="n">mem</span><span class="o">.</span><span class="n">master</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span> <span class="o">-</span><span class="mi">10</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Destination</span><span class="p">);</span>
    <span class="n">mem</span><span class="o">.</span><span class="n">volume_guard</span> <span class="o">=</span> <span class="n">guard</span><span class="p">([</span><span class="o">-</span><span class="mi">20</span><span class="p">,</span><span class="o">-</span><span class="mi">10</span><span class="p">]);</span>

    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;k&quot;</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;h&quot;</span><span class="p">,</span> <span class="mi">1</span><span class="p">);</span>
................................................................................
<p>Increase the dial to see the addition of the snare. This is how you can use observers to trigger unrelated changes. I call them sideevents, as the logic is similar to sidechain, which typically observers the volume.</p>
<p>Comment and Uncomment lines in the <code class="docutils literal notranslate"><span class="pre">if</span> <span class="pre">(isHit)</span></code> block. To mute and unmute sections.</p>
<p><em>Note:</em> <code class="docutils literal notranslate"><span class="pre">mem[&quot;k0_channel&quot;].solo</span> <span class="pre">=</span> <span class="pre">true;</span></code> is not working.</p>
<p><strong>Visuals</strong></p>
<p>Change the once function to this and click <code class="docutils literal notranslate"><span class="pre">+</span> <span class="pre">Execute</span> <span class="pre">Once</span></code></p>
<p>Code is taken from butterchurn. Try changing <a class="reference external" href="https://butterchurnviz.com/">presets</a> to get different visuals.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">var</span> <span class="n">tweak</span> <span class="o">=</span> <span class="n">function</span><span class="p">()</span> <span class="p">{</span>











    <span class="n">initWinamp</span><span class="p">(</span><span class="s2">&quot;_Aderrasi - Wanderer in Curved Space - mash0000 - faclempt kibitzing meshuggana schmaltz (Geiss color mix)&quot;</span><span class="p">);</span>


    <span class="n">render_loop</span> <span class="o">=</span> <span class="n">function</span> <span class="p">()</span> <span class="p">{</span>
        <span class="n">window</span><span class="o">.</span><span class="n">visualizer</span><span class="o">.</span><span class="n">render</span><span class="p">();</span>
    <span class="p">}</span>
<span class="p">}</span>
</pre></div>
</div>
................................................................................
        <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;k0_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">frequency</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">mem</span><span class="o">.</span><span class="n">k1</span><span class="o">.</span><span class="n">move</span><span class="p">()</span> <span class="o">*</span> <span class="mi">1000</span><span class="p">;</span>
    <span class="p">}</span>
<span class="p">}</span>
</pre></div>
</div>
<p>As you can sere numbers and dials will be available as a global array.</p>
<p>There is no way to remove them so be careful about the order in which you add them.</p>
<p>The following code will always be executed as its at the top level. As you can see this code implies that the first dial is connected to the master volume. Use guards to avoid going deaf as someundefineds editing can created bad frequency numbers.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Tone</span><span class="o">.</span><span class="n">Master</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">volume_guard</span><span class="p">((</span><span class="mi">1</span> <span class="o">-</span> <span class="n">dials</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]())</span> <span class="o">*</span> <span class="o">-</span><span class="mi">30</span><span class="p">);</span>
</pre></div>
</div>
</div>
<div class="section" id="tutorial">
<h2>Tutorial<a class="headerlink" href="#tutorial" title="Permalink to this headline">¶</a></h2>
<ul class="simple">
<li><p>Kick + Filter</p></li>
<li><p>Snare + Filter</p></li>
<li><p>Snare + Filter + Delay</p></li>
<li><p>High Hat</p></li>
<li><p>Lead + Filter</p></li>
<li><p>Dub Stab + Filter + Reverb</p></li>
................................................................................
<span class="n">reverb</span><span class="o">.</span><span class="n">roomSize</span> <span class="o">=</span> <span class="mf">0.9</span><span class="p">;</span>
</pre></div>
</div>
</div>
<div class="section" id="full-code">
<h2>Full Code<a class="headerlink" href="#full-code" title="Permalink to this headline">¶</a></h2>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">volume_guard1</span> <span class="o">=</span> <span class="n">guard</span><span class="p">([</span><span class="o">-</span><span class="mi">20</span><span class="p">,</span><span class="mi">15</span><span class="p">])</span>

<span class="n">Tone</span><span class="o">.</span><span class="n">Master</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">volume_guard1</span><span class="p">(</span><span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">dials</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]()</span> <span class="o">*</span> <span class="mi">30</span><span class="p">)</span> <span class="o">-</span><span class="mi">20</span><span class="p">);</span>
<span class="o">//</span> <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_channel&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">volume_guard2</span><span class="p">(</span><span class="o">-</span><span class="mi">2</span><span class="p">);</span>
<span class="o">//</span> <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">frequency</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">dials</span><span class="p">[</span><span class="mi">1</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]()</span> <span class="o">*</span> <span class="mi">10000</span><span class="p">);</span>



<span class="n">scene1</span> <span class="o">=</span> <span class="p">[</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 1000 1000 1000 1000&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 00x0 00x0 00x0 00x0&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 0x00 0000 0000 x000&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p 0000 x000 0000 x000&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p xx0x c0x0 x0x0 x0xx&quot;</span><span class="p">),</span>
    <span class="n">cellx</span><span class="p">(</span><span class="s2">&quot;p x000 x0x0 0000 x0x0&quot;</span><span class="p">),</span>
<span class="p">]</span>

<span class="n">patterns</span> <span class="o">=</span> <span class="n">scene1</span>



<span class="n">function</span> <span class="n">NoiseSynth</span> <span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">name</span> <span class="o">=</span> <span class="n">name</span> <span class="o">||</span> <span class="s2">&quot;wf&quot;</span><span class="p">;</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_stereo&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">StereoWidener</span><span class="p">({</span><span class="n">width</span><span class="p">:</span> <span class="mi">1</span><span class="p">});</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span><span class="p">]</span> <span class="o">=</span>  <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Noise</span><span class="p">(</span><span class="s2">&quot;pink&quot;</span><span class="p">)</span><span class="o">.</span><span class="n">start</span><span class="p">();</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Filter</span><span class="p">(</span><span class="mi">400</span><span class="p">,</span> <span class="s1">&#39;lowpass&#39;</span><span class="p">,</span> <span class="o">-</span><span class="mi">96</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span> <span class="o">-</span><span class="mi">10</span><span class="p">,</span> <span class="n">pan</span><span class="p">:</span> <span class="o">-</span><span class="mf">0.8</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_stereo&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="o">.</span><span class="n">master</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span><span class="p">]</span><span class="o">.</span><span class="n">connect</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">])</span>
<span class="p">}</span>











<span class="n">function</span> <span class="n">Stab</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">name</span> <span class="o">=</span> <span class="n">name</span> <span class="o">||</span> <span class="s2">&quot;stab&quot;</span><span class="p">;</span>

    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Filter</span><span class="p">(</span><span class="mi">5250</span><span class="p">,</span> <span class="s1">&#39;lowpass&#39;</span><span class="p">,</span> <span class="o">-</span><span class="mi">96</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_hfilter&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Filter</span><span class="p">(</span><span class="mi">80</span><span class="p">,</span> <span class="s1">&#39;highpass&#39;</span><span class="p">,</span> <span class="o">-</span><span class="mi">96</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_reverb&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Reverb</span><span class="p">(</span><span class="mf">0.1</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_delay&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">FeedbackDelay</span><span class="p">(</span><span class="s2">&quot;4n&quot;</span><span class="p">,</span> <span class="mf">0.4</span><span class="p">);</span>
    <span class="o">//</span> <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_pdelay&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">PingPongDelay</span><span class="p">(</span><span class="s2">&quot;2n&quot;</span><span class="p">,</span> <span class="mf">0.1</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_stereo&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">StereoWidener</span><span class="p">({</span><span class="n">width</span><span class="p">:</span> <span class="mf">0.25</span><span class="p">});</span>
    <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span> <span class="o">-</span><span class="mi">2</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">]</span> <span class="p">,</span>   <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_delay&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_reverb&quot;</span><span class="p">],</span>  <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_hfilter&quot;</span><span class="p">]</span> <span class="p">,</span><span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_stereo&quot;</span><span class="p">],</span> <span class="n">mem</span><span class="o">.</span><span class="n">master</span><span class="p">)</span>


    <span class="n">function</span> <span class="n">voice</span><span class="p">(</span><span class="n">no</span><span class="p">,</span> <span class="nb">type</span><span class="p">)</span> <span class="p">{</span>
        <span class="n">mem</span><span class="p">[</span><span class="n">name</span> <span class="o">+</span> <span class="s2">&quot;_synth&quot;</span> <span class="o">+</span> <span class="n">no</span><span class="p">]</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">MonoSynth</span><span class="p">({</span>
            <span class="n">oscillator</span><span class="p">:</span> <span class="p">{</span>
                <span class="nb">type</span><span class="p">:</span> <span class="nb">type</span>
            <span class="p">}</span>
................................................................................
    <span class="n">voice</span><span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="s2">&quot;sawtooth&quot;</span><span class="p">)</span>
    <span class="n">voice</span><span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="s2">&quot;sawtooth&quot;</span><span class="p">)</span>
    <span class="n">voice</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="s2">&quot;pwm&quot;</span><span class="p">)</span>
    <span class="n">voice</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="s2">&quot;pwm&quot;</span><span class="p">)</span>
    <span class="n">voice</span><span class="p">(</span><span class="mi">6</span><span class="p">,</span> <span class="s2">&quot;pwm&quot;</span><span class="p">)</span>
<span class="p">}</span>









<span class="n">function</span> <span class="n">s</span><span class="p">(</span><span class="n">vel</span><span class="p">,</span> <span class="n">notes</span><span class="p">,</span> <span class="n">duration</span><span class="p">)</span> <span class="p">{</span>
    <span class="n">vel</span> <span class="o">=</span> <span class="n">vel</span> <span class="o">||</span> <span class="mf">1.0</span><span class="p">;</span>
    <span class="n">duration</span> <span class="o">=</span> <span class="n">duration</span> <span class="o">||</span> <span class="s2">&quot;2n&quot;</span><span class="p">;</span>
    <span class="n">notes</span> <span class="o">=</span> <span class="n">notes</span> <span class="o">||</span>  <span class="p">[</span><span class="s2">&quot;E2&quot;</span><span class="p">,</span> <span class="s2">&quot;B2&quot;</span><span class="p">,</span> <span class="s2">&quot;G2&quot;</span><span class="p">];</span>
    <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth1&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">undefined</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth2&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">undefined</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth3&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">2</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">undefined</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>

    <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth4&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">undefined</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth5&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">1</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">undefined</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>
    <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_synth6&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">triggerAttackRelease</span><span class="p">(</span><span class="n">notes</span><span class="p">[</span><span class="mi">2</span><span class="p">],</span> <span class="n">duration</span><span class="p">,</span> <span class="n">undefined</span><span class="p">,</span> <span class="n">vel</span><span class="p">);</span>
<span class="p">}</span>

<span class="n">function</span> <span class="n">once</span><span class="p">()</span> <span class="p">{</span>
    <span class="n">var</span> <span class="n">pr</span><span class="p">;</span>
    <span class="n">const</span> <span class="n">s</span> <span class="o">=</span> <span class="p">(</span> <span class="n">p</span> <span class="p">)</span> <span class="o">=&gt;</span> <span class="p">{</span>
        <span class="n">pr</span> <span class="o">=</span> <span class="n">p</span><span class="p">;</span>
        <span class="n">var</span> <span class="n">img</span><span class="p">;</span>
        <span class="n">let</span> <span class="n">x</span> <span class="o">=</span> <span class="mi">100</span><span class="p">;</span>
        <span class="n">let</span> <span class="n">y</span> <span class="o">=</span> <span class="mi">100</span><span class="p">;</span>

        <span class="n">p</span><span class="o">.</span><span class="n">setup</span> <span class="o">=</span> <span class="n">function</span><span class="p">()</span> <span class="p">{</span>
            <span class="n">var</span> <span class="n">x</span> <span class="o">=</span> <span class="n">p</span><span class="o">.</span><span class="n">createCanvas</span><span class="p">(</span><span class="mi">700</span><span class="p">,</span> <span class="mi">410</span><span class="p">);</span>
            <span class="n">x</span><span class="o">.</span><span class="n">canvas</span><span class="o">.</span><span class="n">style</span><span class="o">.</span><span class="n">position</span> <span class="o">=</span> <span class="s2">&quot;absolute&quot;</span><span class="p">;</span>
            <span class="n">p</span><span class="o">.</span><span class="n">frameRate</span><span class="p">(</span><span class="mi">30</span><span class="p">);</span>
            <span class="n">img</span> <span class="o">=</span> <span class="n">p</span><span class="o">.</span><span class="n">loadImage</span><span class="p">(</span><span class="s1">&#39;/test.png&#39;</span><span class="p">);</span>
        <span class="p">};</span>

        <span class="n">p</span><span class="o">.</span><span class="n">draw</span> <span class="o">=</span> <span class="n">function</span><span class="p">()</span> <span class="p">{</span>
            <span class="n">var</span> <span class="n">e</span> <span class="o">=</span> <span class="n">getRandomInt</span><span class="p">(</span><span class="mi">2</span><span class="p">);</span>
            <span class="n">p</span><span class="o">.</span><span class="n">clear</span><span class="p">();</span>
            <span class="k">if</span> <span class="p">(</span><span class="n">e</span> <span class="o">==</span> <span class="mi">0</span><span class="p">)</span> <span class="p">{</span>
                <span class="o">//</span>   <span class="n">p</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="mi">123</span><span class="p">);</span>
                <span class="o">//</span>  <span class="n">p</span><span class="o">.</span><span class="n">rect</span><span class="p">(</span><span class="n">x</span><span class="p">,</span><span class="n">y</span><span class="p">,</span><span class="mi">50</span><span class="p">,</span><span class="mi">50</span><span class="p">);</span>
            <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                <span class="o">//</span>	<span class="n">p</span><span class="o">.</span><span class="n">image</span><span class="p">(</span><span class="n">img</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span>
            <span class="p">}</span>
        <span class="p">};</span>
    <span class="p">};</span>


    <span class="n">let</span> <span class="n">myp5</span> <span class="o">=</span> <span class="n">new</span> <span class="n">p5</span><span class="p">(</span><span class="n">s</span><span class="p">,</span>  <span class="n">document</span><span class="o">.</span><span class="n">getElementById</span><span class="p">(</span><span class="s1">&#39;canvas-container&#39;</span><span class="p">));</span>
    

    <span class="n">var</span> <span class="n">visualizer</span> <span class="o">=</span> <span class="n">initWinamp</span><span class="p">(</span><span class="s2">&quot;_Aderrasi - Wanderer in Curved Space - mash0000 - faclempt kibitzing meshuggana schmaltz (Geiss color mix)&quot;</span><span class="p">);</span>

    <span class="n">render_loop</span> <span class="o">=</span> <span class="n">function</span> <span class="p">()</span> <span class="p">{</span>
        <span class="n">visualizer</span><span class="o">.</span><span class="n">render</span><span class="p">();</span>
    <span class="p">}</span>
    
    <span class="n">Tone</span><span class="o">.</span><span class="n">Master</span><span class="o">.</span><span class="n">volume</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="o">-</span><span class="mi">30</span><span class="p">;</span>
    <span class="n">mem</span><span class="o">.</span><span class="n">master</span> <span class="o">=</span> <span class="n">new</span> <span class="n">Tone</span><span class="o">.</span><span class="n">Channel</span><span class="p">({</span><span class="n">channelCount</span><span class="p">:</span> <span class="mi">2</span><span class="p">,</span> <span class="n">volume</span><span class="p">:</span> <span class="o">-</span><span class="mi">10</span><span class="p">})</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">Tone</span><span class="o">.</span><span class="n">Destination</span><span class="p">);</span>

    <span class="o">//</span> <span class="n">NoiseSynth</span><span class="p">();</span>
    <span class="n">Stab</span><span class="p">();</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;k&quot;</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">3000</span><span class="p">,</span> <span class="mi">3</span><span class="p">);</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;h&quot;</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">7000</span><span class="p">,</span> <span class="o">-</span><span class="mi">15</span><span class="p">);</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;sn&quot;</span><span class="p">,</span><span class="mi">2</span><span class="p">,</span> <span class="mi">6000</span><span class="p">,</span> <span class="o">-</span><span class="mi">15</span><span class="p">);</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;c&quot;</span><span class="p">,</span> <span class="mi">3</span><span class="p">,</span> <span class="mi">620</span><span class="p">,</span> <span class="mi">2</span><span class="p">);</span>
    <span class="n">Sample</span><span class="p">(</span><span class="s2">&quot;l&quot;</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">420</span><span class="p">,</span> <span class="o">-</span><span class="mi">15</span><span class="p">);</span>


    <span class="n">handlers</span><span class="p">[</span><span class="s2">&quot;1&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">function</span> <span class="p">(</span><span class="n">val</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">val</span> <span class="o">&gt;</span> <span class="mf">0.5</span><span class="p">)</span> <span class="p">{</span>
            <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;start_snare&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">true</span><span class="p">;</span>
        <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
            <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;start_snare&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">false</span><span class="p">;</span>
        <span class="p">}</span>
................................................................................
        <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">Q</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">Math</span><span class="o">.</span><span class="n">round</span><span class="p">(</span><span class="n">val</span> <span class="o">*</span> <span class="mi">5</span><span class="p">);</span>
    <span class="p">}</span>

    <span class="n">dials</span><span class="p">[</span><span class="mi">1</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">onChange</span><span class="p">(</span><span class="n">function</span> <span class="p">(</span><span class="n">e</span><span class="p">)</span> <span class="p">{</span>
        <span class="n">var</span> <span class="n">val</span> <span class="o">=</span> <span class="n">parseFloat</span><span class="p">(</span><span class="n">e</span><span class="p">[</span><span class="s2">&quot;data&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">value</span><span class="p">);</span>
        <span class="n">handlers</span><span class="p">[</span><span class="s2">&quot;1&quot;</span><span class="p">](</span><span class="n">val</span><span class="p">);</span>
    <span class="p">})</span>



<span class="p">}</span>


<span class="n">function</span> <span class="n">tweak</span> <span class="p">()</span> <span class="p">{</span>
    <span class="n">mem</span><span class="o">.</span><span class="n">k1</span> <span class="o">=</span> <span class="n">knob</span><span class="p">({</span><span class="n">ramp</span> <span class="p">:</span> <span class="p">[</span><span class="mf">0.525</span><span class="p">,</span> <span class="mf">0.8</span><span class="p">,</span> <span class="mf">0.4</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mf">0.25</span><span class="p">,</span> <span class="mf">0.75</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mf">0.25</span><span class="p">,</span> <span class="mf">0.1</span><span class="p">],</span> <span class="s2">&quot;number&quot;</span><span class="p">:</span> <span class="n">dials</span><span class="p">[</span><span class="mi">2</span><span class="p">][</span><span class="s2">&quot;cell&quot;</span><span class="p">]</span> <span class="p">});</span>
    <span class="n">always</span> <span class="o">=</span> <span class="n">function</span> <span class="p">()</span> <span class="p">{</span>
        <span class="n">mem</span><span class="p">[</span><span class="s2">&quot;stab_filter&quot;</span><span class="p">]</span><span class="o">.</span><span class="n">frequency</span><span class="o">.</span><span class="n">value</span> <span class="o">=</span> <span class="n">mem</span><span class="o">.</span><span class="n">k1</span><span class="o">.</span><span class="n">move</span><span class="p">()</span> <span class="o">*</span> <span class="mi">10000</span><span class="p">;</span>
    <span class="p">}</span>
<span class="p">}</span>











<span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">&lt;=</span> <span class="mi">3</span> <span class="p">)</span> <span class="p">{</span>
    <span class="n">transition</span> <span class="o">=</span> <span class="n">once</span><span class="p">;</span>
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
    <span class="n">transition</span> <span class="o">=</span> <span class="n">tweak</span><span class="p">;</span>
<span class="p">}</span>

<span class="k">if</span> <span class="p">(</span><span class="n">isHit</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">1</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">&gt;</span> <span class="mi">0</span> <span class="p">)</span> <span class="p">{</span>
            <span class="n">p</span><span class="p">(</span><span class="mi">0</span><span class="p">);</span>
        <span class="p">}</span>
    <span class="p">}</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">2</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">&gt;</span> <span class="mi">8</span> <span class="p">)</span> <span class="p">{</span>
            <span class="n">p</span><span class="p">(</span><span class="mi">1</span><span class="p">);</span>
        <span class="p">}</span>	
    <span class="p">}</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">3</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">&gt;</span> <span class="mi">4</span> <span class="p">)</span> <span class="p">{</span>
            <span class="o">//</span> <span class="n">s</span><span class="p">();</span>
        <span class="p">}</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">==</span> <span class="mi">6</span><span class="p">)</span> <span class="p">{</span>
            <span class="n">transition</span><span class="p">();</span>
        <span class="p">}</span>
    <span class="p">}</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">4</span><span class="p">)</span> <span class="p">{</span>

        <span class="k">if</span> <span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="s2">&quot;start_snare&quot;</span><span class="p">])</span> <span class="p">{</span>
            <span class="n">p</span><span class="p">(</span><span class="mi">2</span><span class="p">);</span>
        <span class="p">}</span>

    <span class="p">}</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">5</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">if</span> <span class="p">(</span><span class="n">bars</span> <span class="o">&gt;</span> <span class="mi">12</span><span class="p">)</span> <span class="p">{</span>
            <span class="n">p</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span>
        <span class="p">}</span>

    <span class="p">}</span>
    <span class="k">if</span> <span class="p">(</span><span class="n">track_no</span> <span class="o">==</span> <span class="mi">6</span><span class="p">)</span> <span class="p">{</span>
       <span class="o">//</span> <span class="n">p</span><span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="s2">&quot;C3&quot;</span><span class="p">)</span>
    <span class="p">}</span>
<span class="p">}</span>

<span class="k">if</span> <span class="p">(</span><span class="n">count</span> <span class="o">==</span> <span class="p">(</span><span class="n">mem</span><span class="p">[</span><span class="s2">&quot;k_last&quot;</span><span class="p">]</span> <span class="o">+</span> <span class="mi">3</span><span class="p">))</span> <span class="p">{</span>
    <span class="n">pn</span><span class="p">(</span><span class="s2">&quot;h&quot;</span><span class="p">);</span>
<span class="p">}</span>
</pre></div>
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<h1>Welcome to Bitrhythm’s  documentation!<a class="headerlink" href="#welcome-to-bitrhythm-s-documentation" title="Permalink to this headline">¶</a></h1>
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<li class="toctree-l2"><a class="reference internal" href="tweaking.html#music-is-arrangement">Music is arrangement</a></li>
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................................................................................
<h1>Welcome to Bitrhythm’s  documentation!<a class="headerlink" href="#welcome-to-bitrhythm-s-documentation" title="Permalink to this headline">¶</a></h1>
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<li class="toctree-l1"><a class="reference internal" href="what.html">What is bitrhythm about ?</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="demo.html#getting-started">Getting Started</a></li>
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<li class="toctree-l2"><a class="reference internal" href="tweaking.html#music-is-arrangement">Music is arrangement</a></li>
<li class="toctree-l2"><a class="reference internal" href="tweaking.html#see-also">See Also</a></li>
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<li class="toctree-l2"><a class="reference internal" href="bookmarks.html#algorithmic-music">Algorithmic Music</a></li>
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  <div class="section" id="concepts-and-code-walkthrough">
<h1>Concepts and Code Walkthrough<a class="headerlink" href="#concepts-and-code-walkthrough" title="Permalink to this headline">¶</a></h1>




<div class="section" id="core-tracker-loop">
<h2>Core Tracker Loop<a class="headerlink" href="#core-tracker-loop" title="Permalink to this headline">¶</a></h2>
<p>In bitrhythm code is evaluated for every cycle.</p>
<p>1 beat = 60 / tempo
1 cycle = 1 beat / ticks</p>
<p>For every cycle visual and audio code is evaluated.</p>
<p>The edit checkbox allows you to perform long edits, where only old code is evaluated. Once you disable it, all the new edit changes are applied in the next cycle.</p>
................................................................................
    <span class="kd">var</span> <span class="nx">cellx</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">cellx</span><span class="p">.</span><span class="nx">cellx</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">$</span> <span class="o">=</span> <span class="nx">jQuery</span><span class="p">;</span>

    <span class="k">await</span> <span class="nx">Tone</span><span class="p">.</span><span class="nx">start</span><span class="p">();</span>
    <span class="nx">Tone</span><span class="p">.</span><span class="nx">Transport</span><span class="p">.</span><span class="nx">start</span><span class="p">();</span>
    <span class="nx">Tone</span><span class="p">.</span><span class="nx">Transport</span><span class="p">.</span><span class="nx">bpm</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">tempo</span><span class="p">;</span>
    <span class="nx">Tone</span><span class="p">.</span><span class="nx">Transport</span><span class="p">.</span><span class="nx">swing</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span>



    <span class="kd">var</span> <span class="nx">transition</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
    <span class="p">}</span>

    <span class="kd">var</span> <span class="nx">always</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
    <span class="p">}</span>


    <span class="kd">var</span> <span class="nx">render_loop</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
    <span class="p">}</span>

    <span class="kd">var</span> <span class="nx">animation</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
        <span class="nx">render_loop</span><span class="p">();</span>
        <span class="nb">window</span><span class="p">.</span><span class="nx">requestAnimationFrame</span><span class="p">(</span><span class="nx">animation</span><span class="p">)</span>
................................................................................
    <span class="p">}</span>

    <span class="nx">Tone</span><span class="p">.</span><span class="nx">Master</span><span class="p">.</span><span class="nx">mute</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
    <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;tempo-value&#39;</span><span class="p">).</span><span class="nx">disabled</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
    <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;tick-value&#39;</span><span class="p">).</span><span class="nx">disabled</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>

    <span class="kd">var</span> <span class="nx">mem</span> <span class="o">=</span> <span class="nx">self</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">mem</span><span class="p">;</span>

    <span class="kd">var</span> <span class="nx">handlers</span> <span class="o">=</span> <span class="p">{};</span>
    <span class="kd">var</span> <span class="nx">count</span> <span class="o">=</span> <span class="o">-</span><span class="mf">1</span><span class="p">;</span>

    <span class="kd">var</span> <span class="nx">text</span> <span class="o">=</span> <span class="nx">editor</span><span class="p">.</span><span class="nx">getValue</span><span class="p">();</span>

    <span class="nx">editor</span><span class="p">.</span><span class="nx">on</span><span class="p">(</span><span class="s2">&quot;change&quot;</span><span class="p">,</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
            <span class="nx">text</span> <span class="o">=</span> <span class="nx">editor</span><span class="p">.</span><span class="nx">getValue</span><span class="p">();</span>
    <span class="p">});</span>

    <span class="kd">var</span> <span class="nx">patterns</span> <span class="o">=</span> <span class="p">[</span> <span class="nx">cellx</span><span class="p">(</span><span class="s2">&quot;0000&quot;</span><span class="p">)</span> <span class="p">];</span> <span class="c1">// need this for first eval</span>

    <span class="kd">var</span> <span class="nx">bars</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">tick</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span>

    <span class="nx">loop</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Tone</span><span class="p">.</span><span class="nx">ToneEvent</span><span class="p">((</span><span class="nx">time</span><span class="p">,</span> <span class="nx">chord</span><span class="p">)</span> <span class="p">=&gt;</span> <span class="p">{</span>





        <span class="nx">count</span> <span class="o">=</span> <span class="nx">count</span> <span class="o">+</span> <span class="mf">1</span><span class="p">;</span>
        <span class="nx">tick</span> <span class="o">=</span> <span class="p">(</span><span class="nx">count</span> <span class="o">%</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">ticks</span><span class="p">);</span>
        <span class="k">if</span> <span class="p">(</span><span class="nx">tick</span> <span class="o">===</span> <span class="mf">0</span><span class="p">)</span> <span class="o">++</span><span class="nx">bars</span><span class="p">;</span>

        <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;#duration&quot;</span><span class="p">).</span><span class="nx">html</span><span class="p">(</span><span class="s2">&quot;&quot;</span> <span class="o">+</span> <span class="nx">bars</span> <span class="o">+</span> <span class="s2">&quot;.&quot;</span> <span class="o">+</span> <span class="nx">tick</span> <span class="o">+</span> <span class="s2">&quot; / &quot;</span> <span class="o">+</span> <span class="nx">count</span> <span class="o">+</span> <span class="s2">&quot; / &quot;</span> <span class="o">+</span> <span class="nb">window</span><span class="p">.</span><span class="nx">roundTo</span><span class="p">(</span><span class="nx">Tone</span><span class="p">.</span><span class="nx">Transport</span><span class="p">.</span><span class="nx">seconds</span><span class="p">,</span> <span class="mf">2</span><span class="p">));</span>


        <span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">i</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span> <span class="nx">i</span> <span class="o">&lt;</span> <span class="nx">patterns</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
            <span class="kd">var</span> <span class="nx">samples</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">samples</span><span class="p">;</span>
            <span class="kd">var</span> <span class="nx">dials</span> <span class="o">=</span> <span class="nx">self</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">dials</span><span class="p">;</span>
            <span class="kd">var</span> <span class="nx">numbers</span> <span class="o">=</span> <span class="nx">self</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">numbers</span><span class="p">;</span>

            <span class="k">if</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;edit-mode&#39;</span><span class="p">).</span><span class="nx">checked</span><span class="p">)</span> <span class="p">{</span>
                <span class="nx">p</span> <span class="o">=</span> <span class="nx">oldPatterns</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
            <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                <span class="kd">var</span> <span class="nx">p</span> <span class="o">=</span> <span class="nx">patterns</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
                <span class="nx">oldPatterns</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">=</span> <span class="nx">p</span><span class="p">;</span>
            <span class="p">}</span>
            <span class="k">if</span> <span class="p">(</span><span class="nx">p</span> <span class="o">&amp;&amp;</span> <span class="nx">p</span><span class="p">.</span><span class="nx">length</span> <span class="o">!==</span> <span class="mf">0</span><span class="p">)</span> <span class="p">{</span>
                <span class="kd">var</span> <span class="nx">track_no</span> <span class="o">=</span> <span class="nx">i</span> <span class="o">+</span> <span class="mf">1</span><span class="p">;</span>
                <span class="kd">var</span> <span class="nx">pattern</span> <span class="o">=</span> <span class="nx">pattern_clean</span><span class="p">(</span><span class="nx">p</span><span class="p">());</span>

                <span class="kd">var</span> <span class="nx">isHit</span> <span class="o">=</span> <span class="p">(</span><span class="nx">pattern</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s1">&#39;&#39;</span><span class="p">)[</span><span class="nx">tick</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;1&quot;</span><span class="p">)</span> <span class="o">?</span> <span class="kc">true</span> <span class="o">:</span> <span class="kc">false</span><span class="p">;</span>

                <span class="k">try</span> <span class="p">{</span>
                    <span class="k">if</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;edit-mode&#39;</span><span class="p">).</span><span class="nx">checked</span><span class="p">)</span> <span class="p">{</span>
                        <span class="nb">eval</span><span class="p">(</span><span class="nx">oldCode</span><span class="p">);</span>
                    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                        <span class="nb">eval</span><span class="p">(</span><span class="nx">text</span><span class="p">);</span>







                        <span class="k">if</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;load-mode&#39;</span><span class="p">).</span><span class="nx">checked</span><span class="p">)</span> <span class="p">{</span>
                            <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;load-mode&#39;</span><span class="p">).</span><span class="nx">checked</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
                            <span class="nx">transition</span><span class="p">();</span>
                        <span class="p">}</span>
                        <span class="nx">oldCode</span> <span class="o">=</span> <span class="nx">text</span><span class="p">;</span>
                    <span class="p">}</span>
                    <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;#error&quot;</span><span class="p">).</span><span class="nx">html</span><span class="p">(</span><span class="s2">&quot;&quot;</span><span class="p">);</span>
                <span class="p">}</span> <span class="k">catch</span> <span class="p">(</span><span class="nx">ex</span><span class="p">)</span> <span class="p">{</span>
                    <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;#error&quot;</span><span class="p">).</span><span class="nx">html</span><span class="p">(</span><span class="nx">ex</span><span class="p">);</span>
                    <span class="nb">eval</span><span class="p">(</span><span class="nx">oldCode</span><span class="p">);</span>
                <span class="p">}</span>
            <span class="p">}</span>
        <span class="p">}</span>
    <span class="p">},</span> <span class="p">[]);</span>
    <span class="nx">loop</span><span class="p">.</span><span class="nx">loop</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
    <span class="nx">loop</span><span class="p">.</span><span class="nx">loopEnd</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">ticks</span> <span class="o">+</span> <span class="s2">&quot;n&quot;</span><span class="p">;</span>
    <span class="nx">loop</span><span class="p">.</span><span class="nx">start</span><span class="p">();</span>

   <span class="nb">window</span><span class="p">.</span><span class="nx">requestAnimationFrame</span><span class="p">(</span><span class="nx">animation</span><span class="p">)</span>

<span class="p">}</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="dials">
................................................................................
    <span class="k">return</span> <span class="nx">context</span><span class="p">.</span><span class="nx">knob</span><span class="p">;</span>
<span class="p">}</span>
</pre></div>
</div>
</div>
<div class="section" id="main-ui">
<h2>Main UI<a class="headerlink" href="#main-ui" title="Permalink to this headline">¶</a></h2>












<div class="highlight-html notranslate"><div class="highlight"><pre><span></span><span class="p">&lt;</span><span class="nt">bitrhythm</span><span class="p">&gt;</span>

<span class="p">&lt;</span><span class="nt">div</span><span class="p">&gt;</span>
    <span class="p">&lt;</span><span class="nt">vstack</span> <span class="na">id</span><span class="o">=</span><span class="s">&quot;header-playback&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">hstack</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">div</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-2&quot;</span><span class="p">&gt;</span>
                <span class="p">&lt;</span><span class="nt">button</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;button&quot;</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;btn btn-primary w-1/10 ml-2 mt-1&quot;</span> <span class="na">onclick</span><span class="o">=</span><span class="s">{addDial}</span><span class="p">&gt;</span>+ Dial<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
................................................................................
        <span class="p">&lt;/</span><span class="nt">hstack</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">div</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;mt-2 ml-2&quot;</span> <span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">button</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;button&quot;</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;btn btn-primary w-1/10 ml-2 mt-1&quot;</span>  <span class="na">onclick</span><span class="o">=</span><span class="s">{play}</span><span class="p">&gt;</span>Play<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">button</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;button&quot;</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;btn btn-primary ml-2&quot;</span> <span class="na">onclick</span><span class="o">=</span><span class="s">{save}</span><span class="p">&gt;</span>Save<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">button</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;button&quot;</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;btn btn-primary ml-2&quot;</span> <span class="na">onclick</span><span class="o">=</span><span class="s">{reset}</span><span class="p">&gt;</span>Reset<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">button</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;button&quot;</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;btn btn-primary ml-2&quot;</span> <span class="na">onclick</span><span class="o">=</span><span class="s">{reload}</span><span class="p">&gt;</span>Window Reload<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>


            <span class="p">&lt;</span><span class="nt">input</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-1&quot;</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;edit-mode&quot;</span> <span class="na">id</span><span class="o">=</span><span class="s">&quot;edit-mode&quot;</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;checkbox&quot;</span><span class="p">/&gt;</span>
            <span class="p">&lt;</span><span class="nt">label</span> <span class="na">for</span><span class="o">=</span><span class="s">&quot;edit-mode&quot;</span><span class="p">&gt;</span>Edit<span class="p">&lt;/</span><span class="nt">label</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">input</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-1&quot;</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;load-mode&quot;</span> <span class="na">id</span><span class="o">=</span><span class="s">&quot;load-mode&quot;</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;checkbox&quot;</span><span class="p">/&gt;</span>
            <span class="p">&lt;</span><span class="nt">label</span> <span class="na">for</span><span class="o">=</span><span class="s">&quot;load-mode&quot;</span><span class="p">&gt;</span>Execute Transition<span class="p">&lt;/</span><span class="nt">label</span><span class="p">&gt;</span>


        <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">hstack</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">div</span> <span class="na">each</span><span class="o">=</span><span class="s">{</span> <span class="na">key</span><span class="err">,</span> <span class="na">index</span> <span class="na">in</span> <span class="na">state</span><span class="err">.</span><span class="na">samples</span><span class="err">}</span> <span class="p">&gt;</span>
                <span class="p">&lt;</span><span class="nt">div</span> <span class="na">if</span><span class="o">=</span><span class="s">{</span> <span class="na">state</span><span class="err">.</span><span class="na">samples</span> <span class="err">&amp;&amp;</span> <span class="na">state</span><span class="err">.</span><span class="na">samples</span><span class="err">[</span><span class="na">index</span><span class="err">]</span> <span class="err">}</span><span class="p">&gt;</span>
                    <span class="p">&lt;</span><span class="nt">sample</span>  <span class="na">setsample</span><span class="o">=</span><span class="s">{setSample}</span> <span class="na">rmsample</span><span class="o">=</span><span class="s">{rmSample}</span> <span class="na">samples</span><span class="o">=</span><span class="s">{state.samples}</span> <span class="na">ti</span><span class="o">=</span><span class="s">{index</span> <span class="err">+</span> <span class="na">1</span><span class="err">}</span><span class="p">&gt;&lt;/</span><span class="nt">sample</span><span class="p">&gt;</span>
                <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>
            <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>
        <span class="p">&lt;/</span><span class="nt">hstack</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">hstack</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">div</span> <span class="na">each</span><span class="o">=</span><span class="s">{</span> <span class="na">key</span><span class="err">,</span> <span class="na">index</span> <span class="na">in</span> <span class="na">state</span><span class="err">.</span><span class="na">dials</span><span class="err">}</span><span class="p">&gt;</span>
                <span class="p">&lt;</span><span class="nt">dial</span> <span class="na">rmdial</span><span class="o">=</span><span class="s">{rmDial}</span>  <span class="na">v</span><span class="o">=</span><span class="s">{state.dials[index]}</span> <span class="na">ti</span><span class="o">=</span><span class="s">{index</span> <span class="err">+</span> <span class="na">1</span><span class="err">}</span><span class="p">&gt;&lt;/</span><span class="nt">dial</span><span class="p">&gt;</span>
            <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>
        <span class="p">&lt;/</span><span class="nt">hstack</span><span class="p">&gt;</span>

................................................................................
    <span class="k">margin-top</span><span class="p">:</span> <span class="mi">4</span><span class="kt">vh</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">&lt;/</span><span class="nt">style</span><span class="p">&gt;</span>

<span class="p">&lt;</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="kd">var</span> <span class="nx">oldCode</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">oldPatterns</span> <span class="o">=</span> <span class="p">[];</span>



































<span class="c1">// var audio = new Audio();</span>
<span class="c1">// audio.loop = true;</span>
<span class="kd">const</span> <span class="nx">actx</span> <span class="o">=</span> <span class="nx">Tone</span><span class="p">.</span><span class="nx">context</span><span class="p">;</span>
<span class="kd">const</span> <span class="nx">dest</span> <span class="o">=</span> <span class="nx">actx</span><span class="p">.</span><span class="nx">createMediaStreamDestination</span><span class="p">();</span>
<span class="kd">const</span> <span class="nx">recorder</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">MediaRecorder</span><span class="p">(</span><span class="nx">dest</span><span class="p">.</span><span class="nx">stream</span><span class="p">);</span>
<span class="kd">let</span> <span class="nx">chunks</span> <span class="o">=</span> <span class="p">[];</span>
<span class="kd">var</span> <span class="nx">sampleURL</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">sam</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">loop</span><span class="p">;</span>
<span class="k">this</span><span class="p">.</span><span class="nx">props</span> <span class="o">=</span> <span class="nx">opts</span><span class="p">;</span>

<span class="k">this</span><span class="p">.</span><span class="nx">state</span> <span class="o">=</span> <span class="p">{</span>
    <span class="nx">mem</span><span class="o">:</span> <span class="p">{},</span>
    <span class="nx">dials</span><span class="o">:</span> <span class="p">[],</span>
    <span class="nx">numbers</span><span class="o">:</span> <span class="p">[],</span>
    <span class="nx">samples</span><span class="o">:</span> <span class="p">[],</span>
................................................................................
        <span class="p">})</span>
    <span class="p">}</span>


<span class="p">});</span>


<span class="nx">pattern_clean</span><span class="p">(</span><span class="nx">p</span><span class="p">)</span> <span class="p">{</span>




    <span class="k">return</span> <span class="nb">window</span><span class="p">.</span><span class="nx">pattern_clean</span><span class="p">(</span><span class="nx">p</span><span class="p">);</span>


















<span class="p">}</span>

<span class="nx">save</span><span class="p">()</span> <span class="p">{</span>
    <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">code</span> <span class="o">=</span> <span class="nx">editor</span><span class="p">.</span><span class="nx">getValue</span><span class="p">();</span>
    <span class="kd">var</span> <span class="nx">text</span> <span class="o">=</span> <span class="p">{</span>
        <span class="nx">tempo</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">tempo</span><span class="p">,</span>
        <span class="nx">dial_count</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">dials</span><span class="p">.</span><span class="nx">length</span><span class="p">,</span>
................................................................................
        <span class="nx">sample_names</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">samples</span><span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span> <span class="p">(</span><span class="nx">item</span><span class="p">)</span> <span class="p">{</span><span class="k">return</span> <span class="nx">item</span><span class="p">[</span><span class="s2">&quot;__url&quot;</span><span class="p">]}),</span>
        <span class="nx">ticks</span><span class="o">:</span> <span class="mf">16</span><span class="p">,</span>
        <span class="nx">code</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">code</span><span class="p">,</span>
    <span class="p">};</span>
    <span class="kd">const</span> <span class="nx">lib</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">JsonUrl</span><span class="p">(</span><span class="s1">&#39;lzma&#39;</span><span class="p">);</span>
	<span class="nx">lib</span><span class="p">.</span><span class="nx">compress</span><span class="p">(</span><span class="nx">text</span><span class="p">).</span><span class="nx">then</span><span class="p">(</span><span class="nx">encodedData</span> <span class="p">=&gt;</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">link</span> <span class="o">=</span> <span class="s2">&quot;/song/&quot;</span> <span class="o">+</span> <span class="nx">encodedData</span><span class="p">;</span>
        <span class="nb">window</span><span class="p">.</span><span class="nx">open</span><span class="p">(</span><span class="nx">link</span><span class="p">,</span> <span class="s2">&quot;_blank&quot;</span><span class="p">);</span>

    <span class="p">});</span>
<span class="p">}</span>

<span class="nx">reload</span><span class="p">()</span> <span class="p">{</span>
    <span class="nb">window</span><span class="p">.</span><span class="nx">location</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span> <span class="s2">&quot;//&quot;</span> <span class="o">+</span> <span class="nb">window</span><span class="p">.</span><span class="nx">location</span><span class="p">.</span><span class="nx">host</span><span class="p">)</span>
<span class="p">}</span>

<span class="nx">reset</span><span class="p">()</span> <span class="p">{</span>

    <span class="nx">Tone</span><span class="p">.</span><span class="nx">Master</span><span class="p">.</span><span class="nx">mute</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
    <span class="k">if</span> <span class="p">(</span><span class="nx">loop</span><span class="p">)</span> <span class="p">{</span>
        <span class="nx">loop</span><span class="p">.</span><span class="nx">stop</span><span class="p">();</span>
        <span class="nx">loop</span><span class="p">.</span><span class="nx">cancel</span><span class="p">();</span>
        <span class="nx">loop</span><span class="p">.</span><span class="nx">dispose</span><span class="p">();</span>
        <span class="nx">Tone</span><span class="p">.</span><span class="nx">Master</span><span class="p">.</span><span class="nx">mute</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
    <span class="p">}</span>
    <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;tempo-value&#39;</span><span class="p">).</span><span class="nx">disabled</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
    <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;tick-value&#39;</span><span class="p">).</span><span class="nx">disabled</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
    <span class="nx">editor</span><span class="p">.</span><span class="nx">setValue</span><span class="p">(</span><span class="s2">&quot;&quot;</span><span class="p">);</span>

    <span class="k">this</span><span class="p">.</span><span class="nx">state</span> <span class="o">=</span> <span class="p">{</span>
        <span class="nx">mem</span><span class="o">:</span> <span class="p">{},</span>
................................................................................
    <span class="p">})</span>


<span class="p">}</span>

<span class="nx">editTempo</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">this</span><span class="p">.</span><span class="nx">update</span><span class="p">({</span>


        <span class="nx">tempo</span><span class="o">:</span> <span class="nx">e</span><span class="p">.</span><span class="nx">target</span><span class="p">.</span><span class="nx">value</span>

    <span class="p">})</span>
<span class="p">}</span>

<span class="nx">editTicks</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">this</span><span class="p">.</span><span class="nx">update</span><span class="p">({</span>


        <span class="nx">ticks</span><span class="o">:</span> <span class="nx">e</span><span class="p">.</span><span class="nx">target</span><span class="p">.</span><span class="nx">value</span>

    <span class="p">})</span>
<span class="p">}</span>

<span class="nx">$</span><span class="p">{</span><span class="nx">core_loop</span><span class="p">}</span>

<span class="nx">start</span><span class="p">()</span> <span class="p">{</span>
    <span class="nx">recorder</span><span class="p">.</span><span class="nx">start</span><span class="p">();</span>
................................................................................
<div class="section" id="sample">
<h2>Sample<a class="headerlink" href="#sample" title="Permalink to this headline">¶</a></h2>
<p>You can add samples using the file upload. All samples are available as an array – samples. Initialise samples, global variables and synthesisers using the transition function and change the sample parameters using the same during live coding.</p>
<div class="highlight-html notranslate"><div class="highlight"><pre><span></span><span class="p">&lt;</span><span class="nt">sample</span><span class="p">&gt;</span>
    <span class="p">&lt;</span><span class="nt">vbox</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-2&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">vstack</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-2&quot;</span><span class="p">&gt;</span>
        <span class="c">&lt;!-- &lt;input type=&quot;file&quot; id={&quot;sample-file&quot; + this.props.ti} style=&quot;width: 120px;&quot;/&gt; --&gt;</span>
        <span class="p">&lt;</span><span class="nt">div</span> <span class="na">style</span><span class="o">=</span><span class="s">&quot;max-width: 120px;text-overflow: ellipsis; white-space: nowrap;overflow: hidden;&quot;</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">span</span><span class="p">&gt;</span>{ getLast(this.props.ti -1)} <span class="p">&lt;/</span><span class="nt">span</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">span</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;cursor-pointer&quot;</span> <span class="na">id</span><span class="o">=</span><span class="s">{&quot;sample&quot;</span> <span class="err">+</span> <span class="na">this</span><span class="err">.</span><span class="na">props</span><span class="err">.</span><span class="na">ti</span><span class="err">}</span> <span class="na">onclick</span><span class="o">=</span><span class="s">{remove(this.props.ti</span> <span class="na">-1</span><span class="err">)}</span><span class="p">&gt;</span>(x)<span class="p">&lt;/</span><span class="nt">span</span><span class="p">&gt;</span>
        <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>
        <span class="p">&lt;/</span><span class="nt">vstack</span><span class="p">&gt;</span>
    <span class="p">&lt;/</span><span class="nt">vbox</span><span class="p">&gt;</span>

    <span class="p">&lt;</span><span class="nt">script</span><span class="p">&gt;</span>
    <span class="k">this</span><span class="p">.</span><span class="nx">props</span> <span class="o">=</span> <span class="nx">opts</span><span class="p">;</span>
................................................................................
<span class="cm">        */</span>

    <span class="p">});</span>
   <span class="p">&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;/</span><span class="nt">sample</span><span class="p">&gt;</span>
</pre></div>
</div>
</div>































































































































































































































































<div class="section" id="javascript">
<h2>Javascript<a class="headerlink" href="#javascript" title="Permalink to this headline">¶</a></h2>




<div class="highlight-js notranslate"><div class="highlight"><pre><span></span><span class="kd">function</span> <span class="nx">initWinamp</span><span class="p">(</span><span class="nx">preset</span><span class="p">)</span> <span class="p">{</span>
    <span class="kd">var</span> <span class="nx">can</span> <span class="o">=</span> <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s2">&quot;visual&quot;</span><span class="p">);</span>
    <span class="nx">can</span><span class="p">.</span><span class="nx">height</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">innerHeight</span> <span class="o">-</span> <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s2">&quot;header-playback&quot;</span><span class="p">).</span><span class="nx">clientHeight</span> <span class="o">-</span> <span class="mf">75</span><span class="p">;</span>
    <span class="nx">can</span><span class="p">.</span><span class="nx">width</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">innerWidth</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">can_container</span> <span class="o">=</span> <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s2">&quot;canvas-container&quot;</span><span class="p">);</span>
    <span class="nx">can_container</span><span class="p">.</span><span class="nx">width</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">innerWidth</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">visualizer</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">butterchurn</span><span class="p">.</span><span class="k">default</span><span class="p">.</span><span class="nx">createVisualizer</span><span class="p">(</span><span class="nx">Tone</span><span class="p">.</span><span class="nx">getContext</span><span class="p">().</span><span class="nx">rawContext</span><span class="p">,</span> <span class="nx">can</span><span class="p">,</span> <span class="p">{</span>
        <span class="nx">height</span><span class="o">:</span> <span class="nb">window</span><span class="p">.</span><span class="nx">innerHeight</span> <span class="o">-</span> <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s2">&quot;header-playback&quot;</span><span class="p">).</span><span class="nx">clientHeight</span> <span class="o">-</span> <span class="mf">75</span><span class="p">,</span>
        <span class="nx">width</span><span class="o">:</span> <span class="nb">window</span><span class="p">.</span><span class="nx">innerWidth</span><span class="p">,</span>
        <span class="nx">meshWidth</span><span class="o">:</span> <span class="mf">24</span><span class="p">,</span>
        <span class="nx">meshHeight</span><span class="o">:</span> <span class="mf">18</span><span class="p">,</span>
    <span class="p">});</span>
    <span class="nx">visualizer</span><span class="p">.</span><span class="nx">connectAudio</span><span class="p">(</span><span class="nx">Tone</span><span class="p">.</span><span class="nx">getContext</span><span class="p">().</span><span class="nx">destination</span><span class="p">);</span>
    <span class="kd">const</span> <span class="nx">presets</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">butterchurnPresets</span><span class="p">.</span><span class="nx">getPresets</span><span class="p">();</span>
    <span class="kd">const</span> <span class="nx">presetParam</span> <span class="o">=</span> <span class="nx">presets</span><span class="p">[</span><span class="nx">preset</span><span class="p">];</span>
................................................................................
            <span class="k">return</span> <span class="nx">val</span><span class="p">;</span>
        <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
            <span class="k">return</span> <span class="nx">state</span><span class="p">;</span>
        <span class="p">}</span>
    <span class="p">}</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">hex2bin</span><span class="p">(</span><span class="nx">hex</span><span class="p">)</span> <span class="p">{</span>
    <span class="kd">var</span> <span class="nx">letters</span> <span class="o">=</span> <span class="nx">hex</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`1&#39;</span><span class="p">,</span><span class="s1">&#39;a&#39;</span><span class="p">);</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">hex</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`2&#39;</span><span class="p">,</span><span class="s1">&#39;b&#39;</span><span class="p">);</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">hex</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`3&#39;</span><span class="p">,</span><span class="s1">&#39;c&#39;</span><span class="p">);</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">hex</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`4&#39;</span><span class="p">,</span><span class="s1">&#39;d&#39;</span><span class="p">);</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">hex</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`5&#39;</span><span class="p">,</span><span class="s1">&#39;e&#39;</span><span class="p">);</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">hex</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`6&#39;</span><span class="p">,</span><span class="s1">&#39;f&#39;</span><span class="p">);</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">letters</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s1">&#39;&#39;</span><span class="p">);</span>



    <span class="kd">var</span> <span class="nx">bin</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>



























    <span class="nx">letters</span><span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">letter</span><span class="p">)</span> <span class="p">{</span>

        <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;0&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">bin</span> <span class="o">+=</span> <span class="s2">&quot;0000&quot;</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;1&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">bin</span> <span class="o">+=</span> <span class="s2">&quot;0001&quot;</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;2&quot;</span><span class="p">)</span> <span class="p">{</span>
................................................................................
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;e&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">bin</span> <span class="o">+=</span> <span class="s2">&quot;1110&quot;</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;f&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">bin</span> <span class="o">+=</span> <span class="s2">&quot;1111&quot;</span><span class="p">;</span>
        <span class="p">}</span>









    <span class="p">})</span>
    <span class="k">return</span> <span class="nx">bin</span><span class="p">;</span>
<span class="p">}</span>









<span class="kd">function</span> <span class="nx">pattern_clean</span><span class="p">(</span><span class="nx">p</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">p</span><span class="p">)</span> <span class="p">{</span>













































































































































        <span class="k">return</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
    <span class="p">}</span>
    <span class="nx">p</span> <span class="o">=</span> <span class="nx">p</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/ /g</span><span class="p">,</span> <span class="s2">&quot;&quot;</span><span class="p">);</span>

    <span class="kd">var</span> <span class="nx">fc</span> <span class="o">=</span> <span class="nx">p</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s1">&#39;&#39;</span><span class="p">)[</span><span class="mf">0</span><span class="p">];</span>
    <span class="k">if</span> <span class="p">(</span><span class="nx">fc</span><span class="o">==</span> <span class="s2">&quot;p&quot;</span><span class="p">)</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">ptype</span> <span class="o">=</span> <span class="s2">&quot;xo&quot;</span><span class="p">;</span>
        <span class="kd">var</span> <span class="nx">l</span> <span class="o">=</span> <span class="p">(</span><span class="nx">p</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mf">1</span><span class="p">);</span>
    <span class="p">}</span>
    <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">fc</span><span class="o">==</span> <span class="s2">&quot;b&quot;</span><span class="p">)</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">l</span> <span class="o">=</span> <span class="p">(</span><span class="nx">p</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mf">1</span><span class="p">);</span>
        <span class="kd">var</span> <span class="nx">ptype</span> <span class="o">=</span> <span class="s2">&quot;bin&quot;</span><span class="p">;</span>
    <span class="p">}</span>
    <span class="k">else</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">ptype</span> <span class="o">=</span> <span class="s2">&quot;hex&quot;</span><span class="p">;</span>
        <span class="kd">var</span> <span class="nx">l</span> <span class="o">=</span> <span class="p">(</span><span class="nx">p</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="o">*</span> <span class="mf">4</span><span class="p">;</span>
    <span class="p">}</span>

    <span class="k">if</span> <span class="p">(</span><span class="nx">ptype</span> <span class="o">==</span> <span class="s2">&quot;bin&quot;</span><span class="p">)</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">fp</span> <span class="o">=</span>  <span class="nx">p</span><span class="p">.</span><span class="nx">substring</span><span class="p">(</span><span class="mf">1</span><span class="p">);</span>
    <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">ptype</span> <span class="o">==</span> <span class="s2">&quot;xo&quot;</span><span class="p">)</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">fp</span> <span class="o">=</span> <span class="nx">p</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mf">1</span><span class="p">);</span>
        <span class="nx">fp</span> <span class="o">=</span> <span class="nx">fp</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/x/g</span><span class="p">,</span> <span class="s2">&quot;1&quot;</span><span class="p">);</span>






















    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>












        <span class="kd">var</span> <span class="nx">fp</span> <span class="o">=</span> <span class="nx">hex2bin</span><span class="p">(</span><span class="nx">p</span><span class="p">);</span>
    <span class="p">}</span>

    <span class="k">return</span> <span class="nx">fp</span><span class="p">;</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">download</span><span class="p">(</span><span class="nx">data</span><span class="p">,</span> <span class="nx">filename</span><span class="p">,</span> <span class="nx">type</span><span class="p">)</span> <span class="p">{</span>
................................................................................
    <span class="k">return</span> <span class="nx">n</span><span class="p">;</span>
<span class="p">}</span>

<span class="nx">$</span><span class="p">{</span><span class="nx">knob_code</span><span class="p">}</span>
</pre></div>
</div>
</div>



































































































































































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  <div class="section" id="concepts-and-code-walkthrough">
<h1>Concepts and Code Walkthrough<a class="headerlink" href="#concepts-and-code-walkthrough" title="Permalink to this headline">¶</a></h1>
<div class="section" id="running">
<h2>Running<a class="headerlink" href="#running" title="Permalink to this headline">¶</a></h2>
<p>ls source/main.cog | entr -r runserver.sh -b</p>
</div>
<div class="section" id="core-tracker-loop">
<h2>Core Tracker Loop<a class="headerlink" href="#core-tracker-loop" title="Permalink to this headline">¶</a></h2>
<p>In bitrhythm code is evaluated for every cycle.</p>
<p>1 beat = 60 / tempo
1 cycle = 1 beat / ticks</p>
<p>For every cycle visual and audio code is evaluated.</p>
<p>The edit checkbox allows you to perform long edits, where only old code is evaluated. Once you disable it, all the new edit changes are applied in the next cycle.</p>
................................................................................
    <span class="kd">var</span> <span class="nx">cellx</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">cellx</span><span class="p">.</span><span class="nx">cellx</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">$</span> <span class="o">=</span> <span class="nx">jQuery</span><span class="p">;</span>

    <span class="k">await</span> <span class="nx">Tone</span><span class="p">.</span><span class="nx">start</span><span class="p">();</span>
    <span class="nx">Tone</span><span class="p">.</span><span class="nx">Transport</span><span class="p">.</span><span class="nx">start</span><span class="p">();</span>
    <span class="nx">Tone</span><span class="p">.</span><span class="nx">Transport</span><span class="p">.</span><span class="nx">bpm</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">tempo</span><span class="p">;</span>
    <span class="nx">Tone</span><span class="p">.</span><span class="nx">Transport</span><span class="p">.</span><span class="nx">swing</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span>

    <span class="nb">window</span><span class="p">.</span><span class="nx">hit_map</span> <span class="o">=</span> <span class="p">{};</span>

    <span class="kd">var</span> <span class="nx">transition</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
    <span class="p">}</span>

    <span class="kd">var</span> <span class="nx">always</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
    <span class="p">}</span>


    <span class="kd">var</span> <span class="nx">render_loop</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
    <span class="p">}</span>

    <span class="kd">var</span> <span class="nx">animation</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
        <span class="nx">render_loop</span><span class="p">();</span>
        <span class="nb">window</span><span class="p">.</span><span class="nx">requestAnimationFrame</span><span class="p">(</span><span class="nx">animation</span><span class="p">)</span>
................................................................................
    <span class="p">}</span>

    <span class="nx">Tone</span><span class="p">.</span><span class="nx">Master</span><span class="p">.</span><span class="nx">mute</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
    <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;tempo-value&#39;</span><span class="p">).</span><span class="nx">disabled</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
    <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;tick-value&#39;</span><span class="p">).</span><span class="nx">disabled</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>

    <span class="kd">var</span> <span class="nx">mem</span> <span class="o">=</span> <span class="nx">self</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">mem</span><span class="p">;</span>
    <span class="nb">window</span><span class="p">.</span><span class="nx">mem</span> <span class="o">=</span> <span class="nx">mem</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">handlers</span> <span class="o">=</span> <span class="p">{};</span>
    <span class="nb">window</span><span class="p">.</span><span class="nx">count</span> <span class="o">=</span> <span class="o">-</span><span class="mf">1</span><span class="p">;</span>

    <span class="kd">var</span> <span class="nx">text</span> <span class="o">=</span> <span class="nx">editor</span><span class="p">.</span><span class="nx">getValue</span><span class="p">();</span>

    <span class="nx">editor</span><span class="p">.</span><span class="nx">on</span><span class="p">(</span><span class="s2">&quot;change&quot;</span><span class="p">,</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
        <span class="nx">text</span> <span class="o">=</span> <span class="nx">editor</span><span class="p">.</span><span class="nx">getValue</span><span class="p">();</span>
    <span class="p">});</span>

    <span class="kd">var</span> <span class="nx">patterns</span> <span class="o">=</span> <span class="p">[</span> <span class="nx">cellx</span><span class="p">(</span><span class="s2">&quot;0000&quot;</span><span class="p">)</span> <span class="p">];</span> <span class="c1">// need this for first eval</span>

    <span class="kd">var</span> <span class="nx">bars</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">tick</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span>

    <span class="kd">var</span> <span class="nx">quarter_beat_length</span> <span class="o">=</span> <span class="mf">60000.0</span> <span class="o">/</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">tempo</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">beat_length</span> <span class="o">=</span> <span class="nx">quarter_beat_length</span> <span class="o">*</span> <span class="mf">4</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">delta</span> <span class="o">=</span> <span class="nx">beat_length</span> <span class="o">/</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">ticks</span><span class="p">;</span>
    <span class="nb">window</span><span class="p">.</span><span class="nx">samples</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">samples</span><span class="p">;</span>

  <span class="nx">self</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">timer</span> <span class="o">=</span> <span class="nx">setInterval</span><span class="p">(</span><span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
        <span class="nx">count</span> <span class="o">=</span> <span class="nx">count</span> <span class="o">+</span> <span class="mf">1</span><span class="p">;</span>
        <span class="nx">tick</span> <span class="o">=</span> <span class="p">(</span><span class="nx">count</span> <span class="o">%</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">ticks</span><span class="p">);</span>
        <span class="k">if</span> <span class="p">(</span><span class="nx">tick</span> <span class="o">===</span> <span class="mf">0</span><span class="p">)</span> <span class="o">++</span><span class="nx">bars</span><span class="p">;</span>

        <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;#duration&quot;</span><span class="p">).</span><span class="nx">html</span><span class="p">(</span><span class="s2">&quot;&quot;</span> <span class="o">+</span> <span class="nx">bars</span> <span class="o">+</span> <span class="s2">&quot;.&quot;</span> <span class="o">+</span> <span class="nx">tick</span> <span class="o">+</span> <span class="s2">&quot; / &quot;</span> <span class="o">+</span> <span class="nx">count</span> <span class="o">+</span> <span class="s2">&quot; / &quot;</span> <span class="o">+</span> <span class="nb">window</span><span class="p">.</span><span class="nx">roundTo</span><span class="p">(</span><span class="nx">Tone</span><span class="p">.</span><span class="nx">Transport</span><span class="p">.</span><span class="nx">seconds</span><span class="p">,</span> <span class="mf">2</span><span class="p">));</span>

        <span class="nx">always</span><span class="p">();</span>
        <span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">i</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span> <span class="nx">i</span> <span class="o">&lt;</span> <span class="nx">patterns</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>

            <span class="kd">var</span> <span class="nx">dials</span> <span class="o">=</span> <span class="nx">self</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">dials</span><span class="p">;</span>
            <span class="kd">var</span> <span class="nx">numbers</span> <span class="o">=</span> <span class="nx">self</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">numbers</span><span class="p">;</span>

            <span class="k">if</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;edit-mode&#39;</span><span class="p">).</span><span class="nx">checked</span><span class="p">)</span> <span class="p">{</span>
                <span class="kd">var</span> <span class="nx">p_text</span>  <span class="o">=</span> <span class="nx">oldPatterns</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
            <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                <span class="kd">var</span> <span class="nx">p_text</span> <span class="o">=</span> <span class="nx">patterns</span><span class="p">[</span><span class="nx">i</span><span class="p">];</span>
                <span class="nx">oldPatterns</span><span class="p">[</span><span class="nx">i</span><span class="p">]</span> <span class="o">=</span> <span class="nx">p_text</span><span class="p">;</span>
            <span class="p">}</span>
            <span class="k">if</span> <span class="p">(</span><span class="nx">p_text</span><span class="p">()</span> <span class="o">&amp;&amp;</span> <span class="nx">p_text</span><span class="p">().</span><span class="nx">length</span> <span class="o">!==</span> <span class="mf">0</span><span class="p">)</span> <span class="p">{</span>
                <span class="kd">var</span> <span class="nx">track_no</span> <span class="o">=</span> <span class="nx">i</span> <span class="o">+</span> <span class="mf">1</span><span class="p">;</span>
                <span class="kd">var</span> <span class="nx">pattern</span> <span class="o">=</span> <span class="nx">pattern_parse</span><span class="p">(</span><span class="nx">p_text</span><span class="p">());</span>
                <span class="kd">var</span> <span class="nx">meta</span> <span class="o">=</span> <span class="nx">pattern_meta</span><span class="p">(</span><span class="nx">p_text</span><span class="p">());</span>
                <span class="kd">var</span> <span class="nx">isHit</span> <span class="o">=</span> <span class="p">(</span><span class="nx">pattern</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s1">&#39;&#39;</span><span class="p">)[</span><span class="nx">tick</span><span class="p">]</span> <span class="o">==</span> <span class="s2">&quot;1&quot;</span><span class="p">)</span> <span class="o">?</span> <span class="kc">true</span> <span class="o">:</span> <span class="kc">false</span><span class="p">;</span>

                <span class="k">try</span> <span class="p">{</span>
                    <span class="k">if</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;edit-mode&#39;</span><span class="p">).</span><span class="nx">checked</span><span class="p">)</span> <span class="p">{</span>
                        <span class="nb">eval</span><span class="p">(</span><span class="nx">oldCode</span><span class="p">);</span>
                    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                        <span class="nb">eval</span><span class="p">(</span><span class="nx">text</span><span class="p">);</span>
                        <span class="k">if</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;redo&#39;</span><span class="p">).</span><span class="nx">checked</span><span class="p">)</span> <span class="p">{</span>
                            <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;redo&#39;</span><span class="p">).</span><span class="nx">checked</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
                            <span class="nx">tick</span> <span class="o">=</span> <span class="p">(</span><span class="nx">count</span> <span class="o">%</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">ticks</span><span class="p">);</span>
                            <span class="nx">count</span> <span class="o">-=</span> <span class="nx">tick</span> <span class="o">+</span> <span class="mf">1</span><span class="p">;</span>
                            <span class="nx">i</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span>
                            <span class="k">continue</span><span class="p">;</span>
                        <span class="p">}</span>
                        <span class="k">if</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;load-mode&#39;</span><span class="p">).</span><span class="nx">checked</span><span class="p">)</span> <span class="p">{</span>
                            <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;load-mode&#39;</span><span class="p">).</span><span class="nx">checked</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
                            <span class="nx">transition</span><span class="p">();</span>
                        <span class="p">}</span>
                        <span class="nx">oldCode</span> <span class="o">=</span> <span class="nx">text</span><span class="p">;</span>
                    <span class="p">}</span>
                    <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;#error&quot;</span><span class="p">).</span><span class="nx">html</span><span class="p">(</span><span class="s2">&quot;&quot;</span><span class="p">);</span>
                <span class="p">}</span> <span class="k">catch</span> <span class="p">(</span><span class="nx">ex</span><span class="p">)</span> <span class="p">{</span>
                    <span class="nx">$</span><span class="p">(</span><span class="s2">&quot;#error&quot;</span><span class="p">).</span><span class="nx">html</span><span class="p">(</span><span class="nx">ex</span><span class="p">);</span>
                    <span class="nb">eval</span><span class="p">(</span><span class="nx">oldCode</span><span class="p">);</span>
                <span class="p">}</span>
            <span class="p">}</span>
        <span class="p">}</span>
  <span class="p">}.</span><span class="nx">bind</span><span class="p">(</span><span class="k">this</span><span class="p">),</span> <span class="nx">delta</span><span class="p">)</span>




  <span class="nb">window</span><span class="p">.</span><span class="nx">requestAnimationFrame</span><span class="p">(</span><span class="nx">animation</span><span class="p">);</span>

<span class="p">}</span>
</pre></div>
</div>
</div>
</div>
<div class="section" id="dials">
................................................................................
    <span class="k">return</span> <span class="nx">context</span><span class="p">.</span><span class="nx">knob</span><span class="p">;</span>
<span class="p">}</span>
</pre></div>
</div>
</div>
<div class="section" id="main-ui">
<h2>Main UI<a class="headerlink" href="#main-ui" title="Permalink to this headline">¶</a></h2>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>// Not working

.CodeMirror-selected,
.CodeMirror-focused,
.CodeMirror-activeline,
.CodeMirror-activeline-background {
    background: transparent;
    color: #882d2d;
    z-index: 5 !important;
}
</pre></div>
</div>
<div class="highlight-html notranslate"><div class="highlight"><pre><span></span><span class="p">&lt;</span><span class="nt">bitrhythm</span><span class="p">&gt;</span>

<span class="p">&lt;</span><span class="nt">div</span><span class="p">&gt;</span>
    <span class="p">&lt;</span><span class="nt">vstack</span> <span class="na">id</span><span class="o">=</span><span class="s">&quot;header-playback&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">hstack</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">div</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-2&quot;</span><span class="p">&gt;</span>
                <span class="p">&lt;</span><span class="nt">button</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;button&quot;</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;btn btn-primary w-1/10 ml-2 mt-1&quot;</span> <span class="na">onclick</span><span class="o">=</span><span class="s">{addDial}</span><span class="p">&gt;</span>+ Dial<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
................................................................................
        <span class="p">&lt;/</span><span class="nt">hstack</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">div</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;mt-2 ml-2&quot;</span> <span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">button</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;button&quot;</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;btn btn-primary w-1/10 ml-2 mt-1&quot;</span>  <span class="na">onclick</span><span class="o">=</span><span class="s">{play}</span><span class="p">&gt;</span>Play<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">button</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;button&quot;</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;btn btn-primary ml-2&quot;</span> <span class="na">onclick</span><span class="o">=</span><span class="s">{save}</span><span class="p">&gt;</span>Save<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">button</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;button&quot;</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;btn btn-primary ml-2&quot;</span> <span class="na">onclick</span><span class="o">=</span><span class="s">{reset}</span><span class="p">&gt;</span>Reset<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">button</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;button&quot;</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;btn btn-primary ml-2&quot;</span> <span class="na">onclick</span><span class="o">=</span><span class="s">{reload}</span><span class="p">&gt;</span>Window Reload<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">button</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;button&quot;</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;btn btn-primary ml-2&quot;</span> <span class="na">onclick</span><span class="o">=</span><span class="s">{download}</span><span class="p">&gt;</span>Save File<span class="p">&lt;/</span><span class="nt">button</span><span class="p">&gt;</span>

            <span class="p">&lt;</span><span class="nt">input</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-1&quot;</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;edit-mode&quot;</span> <span class="na">id</span><span class="o">=</span><span class="s">&quot;edit-mode&quot;</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;checkbox&quot;</span><span class="p">/&gt;</span>
            <span class="p">&lt;</span><span class="nt">label</span> <span class="na">for</span><span class="o">=</span><span class="s">&quot;edit-mode&quot;</span><span class="p">&gt;</span>Edit<span class="p">&lt;/</span><span class="nt">label</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">input</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-1&quot;</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;load-mode&quot;</span> <span class="na">id</span><span class="o">=</span><span class="s">&quot;load-mode&quot;</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;checkbox&quot;</span><span class="p">/&gt;</span>
            <span class="p">&lt;</span><span class="nt">label</span> <span class="na">for</span><span class="o">=</span><span class="s">&quot;load-mode&quot;</span><span class="p">&gt;</span>Execute Transition<span class="p">&lt;/</span><span class="nt">label</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">input</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-1&quot;</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;load-mode&quot;</span> <span class="na">id</span><span class="o">=</span><span class="s">&quot;redo&quot;</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;checkbox&quot;</span><span class="p">/&gt;</span>
            <span class="p">&lt;</span><span class="nt">label</span> <span class="na">for</span><span class="o">=</span><span class="s">&quot;redo&quot;</span><span class="p">&gt;</span>Redo Bar<span class="p">&lt;/</span><span class="nt">label</span><span class="p">&gt;</span>
        <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">vstack</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">div</span> <span class="na">each</span><span class="o">=</span><span class="s">{</span> <span class="na">key</span><span class="err">,</span> <span class="na">index</span> <span class="na">in</span> <span class="na">state</span><span class="err">.</span><span class="na">samples</span><span class="err">}</span> <span class="p">&gt;</span>
                <span class="p">&lt;</span><span class="nt">div</span> <span class="na">if</span><span class="o">=</span><span class="s">{</span> <span class="na">state</span><span class="err">.</span><span class="na">samples</span> <span class="err">&amp;&amp;</span> <span class="na">state</span><span class="err">.</span><span class="na">samples</span><span class="err">[</span><span class="na">index</span><span class="err">]</span> <span class="err">}</span><span class="p">&gt;</span>
                    <span class="p">&lt;</span><span class="nt">sample</span>  <span class="na">setsample</span><span class="o">=</span><span class="s">{setSample}</span> <span class="na">rmsample</span><span class="o">=</span><span class="s">{rmSample}</span> <span class="na">samples</span><span class="o">=</span><span class="s">{state.samples}</span> <span class="na">ti</span><span class="o">=</span><span class="s">{index</span> <span class="err">+</span> <span class="na">1</span><span class="err">}</span><span class="p">&gt;&lt;/</span><span class="nt">sample</span><span class="p">&gt;</span>
                <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>
            <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>
        <span class="p">&lt;/</span><span class="nt">vstack</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">hstack</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">div</span> <span class="na">each</span><span class="o">=</span><span class="s">{</span> <span class="na">key</span><span class="err">,</span> <span class="na">index</span> <span class="na">in</span> <span class="na">state</span><span class="err">.</span><span class="na">dials</span><span class="err">}</span><span class="p">&gt;</span>
                <span class="p">&lt;</span><span class="nt">dial</span> <span class="na">rmdial</span><span class="o">=</span><span class="s">{rmDial}</span>  <span class="na">v</span><span class="o">=</span><span class="s">{state.dials[index]}</span> <span class="na">ti</span><span class="o">=</span><span class="s">{index</span> <span class="err">+</span> <span class="na">1</span><span class="err">}</span><span class="p">&gt;&lt;/</span><span class="nt">dial</span><span class="p">&gt;</span>
            <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>
        <span class="p">&lt;/</span><span class="nt">hstack</span><span class="p">&gt;</span>

................................................................................
    <span class="k">margin-top</span><span class="p">:</span> <span class="mi">4</span><span class="kt">vh</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">&lt;/</span><span class="nt">style</span><span class="p">&gt;</span>

<span class="p">&lt;</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="kd">var</span> <span class="nx">oldCode</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">oldPatterns</span> <span class="o">=</span> <span class="p">[];</span>

<span class="nx">Mousetrap</span><span class="p">.</span><span class="nx">stopCallback</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">e</span><span class="p">,</span> <span class="nx">element</span><span class="p">,</span> <span class="nx">combo</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">}</span>

<span class="nx">Mousetrap</span><span class="p">.</span><span class="nx">bind</span><span class="p">([</span><span class="s1">&#39;f5&#39;</span><span class="p">],</span> <span class="kd">function</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;edit-mode&#39;</span><span class="p">).</span><span class="nx">checked</span><span class="p">)</span> <span class="p">{</span>
        <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;edit-mode&#39;</span><span class="p">).</span><span class="nx">checked</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
        <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;edit-mode&#39;</span><span class="p">).</span><span class="nx">checked</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
    <span class="p">}</span>

    <span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">});</span>

<span class="nx">Mousetrap</span><span class="p">.</span><span class="nx">bind</span><span class="p">([</span><span class="s1">&#39;f9&#39;</span><span class="p">],</span> <span class="kd">function</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>

    <span class="k">if</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;redo&#39;</span><span class="p">).</span><span class="nx">checked</span><span class="p">)</span> <span class="p">{</span>
        <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;redo&#39;</span><span class="p">).</span><span class="nx">checked</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
        <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;redo&#39;</span><span class="p">).</span><span class="nx">checked</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
    <span class="p">}</span>

    <span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">});</span>

<span class="nx">Mousetrap</span><span class="p">.</span><span class="nx">bind</span><span class="p">([</span><span class="s1">&#39;f8&#39;</span><span class="p">],</span> <span class="kd">function</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;load-mode&#39;</span><span class="p">).</span><span class="nx">checked</span><span class="p">)</span> <span class="p">{</span>
        <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;load-mode&#39;</span><span class="p">).</span><span class="nx">checked</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
        <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;load-mode&#39;</span><span class="p">).</span><span class="nx">checked</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
    <span class="p">}</span>
    <span class="k">return</span> <span class="kc">false</span><span class="p">;</span>
<span class="p">});</span>

<span class="c1">// var audio = new Audio();</span>
<span class="c1">// audio.loop = true;</span>
<span class="kd">const</span> <span class="nx">actx</span> <span class="o">=</span> <span class="nx">Tone</span><span class="p">.</span><span class="nx">context</span><span class="p">;</span>
<span class="kd">const</span> <span class="nx">dest</span> <span class="o">=</span> <span class="nx">actx</span><span class="p">.</span><span class="nx">createMediaStreamDestination</span><span class="p">();</span>
<span class="kd">const</span> <span class="nx">recorder</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">MediaRecorder</span><span class="p">(</span><span class="nx">dest</span><span class="p">.</span><span class="nx">stream</span><span class="p">);</span>
<span class="kd">let</span> <span class="nx">chunks</span> <span class="o">=</span> <span class="p">[];</span>
<span class="kd">var</span> <span class="nx">sampleURL</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
<span class="kd">var</span> <span class="nx">sam</span><span class="p">;</span>

<span class="k">this</span><span class="p">.</span><span class="nx">props</span> <span class="o">=</span> <span class="nx">opts</span><span class="p">;</span>

<span class="k">this</span><span class="p">.</span><span class="nx">state</span> <span class="o">=</span> <span class="p">{</span>
    <span class="nx">mem</span><span class="o">:</span> <span class="p">{},</span>
    <span class="nx">dials</span><span class="o">:</span> <span class="p">[],</span>
    <span class="nx">numbers</span><span class="o">:</span> <span class="p">[],</span>
    <span class="nx">samples</span><span class="o">:</span> <span class="p">[],</span>
................................................................................
        <span class="p">})</span>
    <span class="p">}</span>


<span class="p">});</span>


<span class="nx">pattern_parse</span><span class="p">(</span><span class="nx">p</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">return</span> <span class="nb">window</span><span class="p">.</span><span class="nx">pattern_parse</span><span class="p">(</span><span class="nx">p</span><span class="p">);</span>
<span class="p">}</span>

<span class="nx">pattern_meta</span><span class="p">(</span><span class="nx">p</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">return</span> <span class="nb">window</span><span class="p">.</span><span class="nx">pattern_meta</span><span class="p">(</span><span class="nx">p</span><span class="p">);</span>
<span class="p">}</span>

<span class="nx">download</span><span class="p">()</span> <span class="p">{</span>
    
    <span class="kd">function</span> <span class="nx">download</span><span class="p">(</span><span class="nx">data</span><span class="p">,</span> <span class="nx">filename</span> <span class="o">=</span> <span class="s2">&quot;song.txt&quot;</span><span class="p">,</span> <span class="nx">type</span> <span class="o">=</span> <span class="s2">&quot;text/plain&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="kd">var</span> <span class="nx">file</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Blob</span><span class="p">([</span><span class="nx">data</span><span class="p">],</span> <span class="p">{</span><span class="nx">type</span><span class="o">:</span> <span class="nx">type</span><span class="p">});</span>
            <span class="kd">var</span> <span class="nx">a</span> <span class="o">=</span> <span class="nb">document</span><span class="p">.</span><span class="nx">createElement</span><span class="p">(</span><span class="s2">&quot;a&quot;</span><span class="p">),</span>
                    <span class="nx">url</span> <span class="o">=</span> <span class="nx">URL</span><span class="p">.</span><span class="nx">createObjectURL</span><span class="p">(</span><span class="nx">file</span><span class="p">);</span>
            <span class="nx">a</span><span class="p">.</span><span class="nx">href</span> <span class="o">=</span> <span class="nx">url</span><span class="p">;</span>
            <span class="nx">a</span><span class="p">.</span><span class="nx">download</span> <span class="o">=</span> <span class="nx">filename</span><span class="p">;</span>
            <span class="nb">document</span><span class="p">.</span><span class="nx">body</span><span class="p">.</span><span class="nx">appendChild</span><span class="p">(</span><span class="nx">a</span><span class="p">);</span>
            <span class="nx">a</span><span class="p">.</span><span class="nx">click</span><span class="p">();</span>
            <span class="nx">setTimeout</span><span class="p">(</span><span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
                <span class="nb">document</span><span class="p">.</span><span class="nx">body</span><span class="p">.</span><span class="nx">removeChild</span><span class="p">(</span><span class="nx">a</span><span class="p">);</span>
                <span class="nb">window</span><span class="p">.</span><span class="nx">URL</span><span class="p">.</span><span class="nx">revokeObjectURL</span><span class="p">(</span><span class="nx">url</span><span class="p">);</span>  
            <span class="p">},</span> <span class="mf">0</span><span class="p">);</span> 
    <span class="p">}</span>
    <span class="nx">download</span><span class="p">(</span><span class="nx">editor</span><span class="p">.</span><span class="nx">getValue</span><span class="p">())</span>
<span class="p">}</span>

<span class="nx">save</span><span class="p">()</span> <span class="p">{</span>
    <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">code</span> <span class="o">=</span> <span class="nx">editor</span><span class="p">.</span><span class="nx">getValue</span><span class="p">();</span>
    <span class="kd">var</span> <span class="nx">text</span> <span class="o">=</span> <span class="p">{</span>
        <span class="nx">tempo</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">tempo</span><span class="p">,</span>
        <span class="nx">dial_count</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">dials</span><span class="p">.</span><span class="nx">length</span><span class="p">,</span>
................................................................................
        <span class="nx">sample_names</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">samples</span><span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span> <span class="p">(</span><span class="nx">item</span><span class="p">)</span> <span class="p">{</span><span class="k">return</span> <span class="nx">item</span><span class="p">[</span><span class="s2">&quot;__url&quot;</span><span class="p">]}),</span>
        <span class="nx">ticks</span><span class="o">:</span> <span class="mf">16</span><span class="p">,</span>
        <span class="nx">code</span><span class="o">:</span> <span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">code</span><span class="p">,</span>
    <span class="p">};</span>
    <span class="kd">const</span> <span class="nx">lib</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">JsonUrl</span><span class="p">(</span><span class="s1">&#39;lzma&#39;</span><span class="p">);</span>
	<span class="nx">lib</span><span class="p">.</span><span class="nx">compress</span><span class="p">(</span><span class="nx">text</span><span class="p">).</span><span class="nx">then</span><span class="p">(</span><span class="nx">encodedData</span> <span class="p">=&gt;</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">link</span> <span class="o">=</span> <span class="s2">&quot;/song/&quot;</span> <span class="o">+</span> <span class="nx">encodedData</span><span class="p">;</span>
        <span class="nb">window</span><span class="p">.</span><span class="nx">history</span><span class="p">.</span><span class="nx">pushState</span><span class="p">({},</span> <span class="s1">&#39;Bitrhythm&#39;</span><span class="p">,</span> <span class="nx">link</span><span class="p">);</span>
        <span class="c1">//window.open(link, &quot;_blank&quot;);</span>
    <span class="p">});</span>
<span class="p">}</span>

<span class="nx">reload</span><span class="p">()</span> <span class="p">{</span>
    <span class="nb">window</span><span class="p">.</span><span class="nx">location</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span> <span class="s2">&quot;//&quot;</span> <span class="o">+</span> <span class="nb">window</span><span class="p">.</span><span class="nx">location</span><span class="p">.</span><span class="nx">host</span><span class="p">)</span>
<span class="p">}</span>

<span class="nx">reset</span><span class="p">()</span> <span class="p">{</span>

    <span class="nx">Tone</span><span class="p">.</span><span class="nx">Master</span><span class="p">.</span><span class="nx">mute</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
    <span class="nx">Tone</span><span class="p">.</span><span class="nx">Transport</span><span class="p">.</span><span class="nx">stop</span><span class="p">();</span>
    <span class="nx">Tone</span><span class="p">.</span><span class="nx">stop</span><span class="p">();</span>
    <span class="k">if</span> <span class="p">(</span><span class="nx">self</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">timer</span><span class="p">)</span> <span class="p">{</span>
        <span class="nx">clearInterval</span><span class="p">(</span><span class="nx">self</span><span class="p">.</span><span class="nx">state</span><span class="p">.</span><span class="nx">timer</span><span class="p">);</span>

    <span class="p">}</span>
    <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;tempo-value&#39;</span><span class="p">).</span><span class="nx">disabled</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
    <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s1">&#39;tick-value&#39;</span><span class="p">).</span><span class="nx">disabled</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
    <span class="nx">editor</span><span class="p">.</span><span class="nx">setValue</span><span class="p">(</span><span class="s2">&quot;&quot;</span><span class="p">);</span>

    <span class="k">this</span><span class="p">.</span><span class="nx">state</span> <span class="o">=</span> <span class="p">{</span>
        <span class="nx">mem</span><span class="o">:</span> <span class="p">{},</span>
................................................................................
    <span class="p">})</span>


<span class="p">}</span>

<span class="nx">editTempo</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">this</span><span class="p">.</span><span class="nx">update</span><span class="p">({</span>
        <span class="nx">state</span><span class="o">:</span> <span class="p">{</span>
            <span class="p">...</span><span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">,</span>
            <span class="nx">tempo</span><span class="o">:</span> <span class="nb">parseInt</span><span class="p">(</span><span class="nx">e</span><span class="p">.</span><span class="nx">target</span><span class="p">.</span><span class="nx">value</span><span class="p">)</span>
        <span class="p">}</span>
    <span class="p">})</span>
<span class="p">}</span>

<span class="nx">editTicks</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">this</span><span class="p">.</span><span class="nx">update</span><span class="p">({</span>
        <span class="nx">state</span><span class="o">:</span> <span class="p">{</span>
            <span class="p">...</span><span class="k">this</span><span class="p">.</span><span class="nx">state</span><span class="p">,</span>
            <span class="nx">ticks</span><span class="o">:</span> <span class="nx">e</span><span class="p">.</span><span class="nx">target</span><span class="p">.</span><span class="nx">value</span>
        <span class="p">}</span>
    <span class="p">})</span>
<span class="p">}</span>

<span class="nx">$</span><span class="p">{</span><span class="nx">core_loop</span><span class="p">}</span>

<span class="nx">start</span><span class="p">()</span> <span class="p">{</span>
    <span class="nx">recorder</span><span class="p">.</span><span class="nx">start</span><span class="p">();</span>
................................................................................
<div class="section" id="sample">
<h2>Sample<a class="headerlink" href="#sample" title="Permalink to this headline">¶</a></h2>
<p>You can add samples using the file upload. All samples are available as an array – samples. Initialise samples, global variables and synthesisers using the transition function and change the sample parameters using the same during live coding.</p>
<div class="highlight-html notranslate"><div class="highlight"><pre><span></span><span class="p">&lt;</span><span class="nt">sample</span><span class="p">&gt;</span>
    <span class="p">&lt;</span><span class="nt">vbox</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-2&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">vstack</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-2&quot;</span><span class="p">&gt;</span>
        <span class="c">&lt;!-- &lt;input type=&quot;file&quot; id={&quot;sample-file&quot; + this.props.ti} style=&quot;width: 120px;&quot;/&gt; --&gt;</span>
        <span class="p">&lt;</span><span class="nt">div</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">span</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;max-width: 120px;text-overflow: ellipsis; white-space: nowrap;&quot;</span><span class="p">&gt;</span>{ getLast(this.props.ti -1)} <span class="p">&lt;/</span><span class="nt">span</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">span</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;cursor-pointer&quot;</span> <span class="na">id</span><span class="o">=</span><span class="s">{&quot;sample&quot;</span> <span class="err">+</span> <span class="na">this</span><span class="err">.</span><span class="na">props</span><span class="err">.</span><span class="na">ti</span><span class="err">}</span> <span class="na">onclick</span><span class="o">=</span><span class="s">{remove(this.props.ti</span> <span class="na">-1</span><span class="err">)}</span><span class="p">&gt;</span>(x)<span class="p">&lt;/</span><span class="nt">span</span><span class="p">&gt;</span>
        <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>
        <span class="p">&lt;/</span><span class="nt">vstack</span><span class="p">&gt;</span>
    <span class="p">&lt;/</span><span class="nt">vbox</span><span class="p">&gt;</span>

    <span class="p">&lt;</span><span class="nt">script</span><span class="p">&gt;</span>
    <span class="k">this</span><span class="p">.</span><span class="nx">props</span> <span class="o">=</span> <span class="nx">opts</span><span class="p">;</span>
................................................................................
<span class="cm">        */</span>

    <span class="p">});</span>
   <span class="p">&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;/</span><span class="nt">sample</span><span class="p">&gt;</span>
</pre></div>
</div>
</div>
<div class="section" id="app">
<h2>App<a class="headerlink" href="#app" title="Permalink to this headline">¶</a></h2>
<div class="highlight-hylang notranslate"><div class="highlight"><pre><span></span><span class="p">(</span><span class="k">import </span><span class="p">[</span><span class="nv">sanic</span> <span class="p">[</span><span class="nv">Sanic</span> <span class="nv">response</span><span class="p">]])</span>
<span class="p">(</span><span class="k">import </span><span class="p">[</span><span class="nv">sanic.response</span> <span class="p">[</span><span class="nv">json</span> <span class="nv">text</span><span class="p">]])</span>
<span class="p">(</span><span class="k">import </span><span class="p">[</span><span class="nv">sanic.exceptions</span> <span class="p">[</span><span class="nv">NotFound</span> <span class="nv">abort</span><span class="p">]])</span>
<span class="p">(</span><span class="k">import </span><span class="p">[</span><span class="nv">jinja2</span> <span class="p">[</span><span class="nv">Environment</span> <span class="nv">FileSystemLoader</span><span class="p">]])</span>
<span class="p">(</span><span class="k">import </span><span class="nv">re</span><span class="p">)</span>
<span class="p">(</span><span class="k">import </span><span class="nv">ipdb</span><span class="p">)</span>
<span class="p">(</span><span class="k">import </span><span class="nv">sys</span><span class="p">)</span>
<span class="p">(</span><span class="k">import </span><span class="nv">traceback</span><span class="p">)</span>
<span class="p">(</span><span class="k">import </span><span class="nv">json</span><span class="p">)</span>
<span class="p">(</span><span class="k">import </span><span class="nv">datetime</span><span class="p">)</span>
<span class="p">(</span><span class="k">import </span><span class="p">[</span><span class="nv">email.utils</span> <span class="p">[</span><span class="nv">format_datetime</span><span class="p">]])</span>
<span class="p">(</span><span class="k">import </span><span class="p">[</span><span class="nv">urllib.parse</span> <span class="p">[</span><span class="nv">urlparse</span><span class="p">]])</span>
<span class="p">(</span><span class="k">import </span><span class="nv">base64</span><span class="p">)</span>

<span class="p">(</span><span class="kd">setv </span><span class="nv">file-loader</span> <span class="p">(</span><span class="nf">FileSystemLoader</span> <span class="s">&quot;templates&quot;</span><span class="p">))</span>
<span class="p">(</span><span class="kd">setv </span><span class="nv">env</span> <span class="p">(</span><span class="nf">Environment</span> <span class="ss">:loader</span> <span class="nv">file-loader</span><span class="p">))</span>

<span class="p">(</span><span class="kd">setv </span><span class="nv">app</span> <span class="p">(</span><span class="nf">Sanic</span> <span class="s">&quot;Bitrhythm&quot;</span><span class="p">))</span>

<span class="p">(</span><span class="k">with</span><span class="nv">-decorator</span>
  <span class="p">(</span><span class="nf">app.exception</span> <span class="nv">NotFound</span><span class="p">)</span>
  <span class="p">(</span><span class="nf">defn/a</span> <span class="nv">ignore_404s</span> <span class="p">[</span><span class="nv">request</span> <span class="nv">exception</span><span class="p">]</span>
    <span class="p">(</span><span class="k">return</span> <span class="p">(</span><span class="nf">text</span> <span class="p">(</span><span class="nf">+</span> <span class="s">&quot;Yep, I totally found the page &quot;</span> <span class="nv">request.url</span><span class="p">)))</span>
  <span class="p">)</span>
<span class="p">)</span>

<span class="p">(</span><span class="k">with</span><span class="nv">-decorator</span>
  <span class="p">(</span><span class="nf">app.route</span> <span class="s">&quot;/song/&lt;name&gt;&quot;</span><span class="p">)</span>
  <span class="p">(</span><span class="nf">defn/a</span> <span class="nv">get-index</span> <span class="p">[</span><span class="nv">request</span> <span class="nv">name</span><span class="p">]</span>
    <span class="p">(</span><span class="kd">setv </span><span class="nv">template</span> <span class="p">(</span><span class="nf">env.get_template</span> <span class="s">&quot;index.html&quot;</span><span class="p">))</span>
    <span class="p">(</span><span class="k">return</span> <span class="p">(</span><span class="nf">response.html</span> <span class="p">(</span><span class="nf">template.render</span> <span class="p">{</span><span class="s">&quot;data&quot;</span> <span class="nv">name</span><span class="p">})))</span>
  <span class="p">)</span>
<span class="p">)</span>

<span class="p">(</span><span class="k">with</span><span class="nv">-decorator</span>
  <span class="p">(</span><span class="nf">app.route</span> <span class="s">&quot;/&quot;</span><span class="p">)</span>
  <span class="p">(</span><span class="nf">defn/a</span> <span class="nv">get-index</span> <span class="p">[</span><span class="nv">request</span><span class="p">]</span>
    <span class="p">(</span><span class="kd">setv </span><span class="nv">template</span> <span class="p">(</span><span class="nf">env.get_template</span> <span class="s">&quot;index.html&quot;</span><span class="p">))</span>
    <span class="p">(</span><span class="k">return</span> <span class="p">(</span><span class="nf">response.html</span> <span class="p">(</span><span class="nf">template.render</span> <span class="p">{</span><span class="s">&quot;data&quot;</span> <span class="s">&quot;&quot;</span><span class="p">})))</span>
  <span class="p">)</span>
<span class="p">)</span>

<span class="p">(</span><span class="k">with</span><span class="nv">-decorator</span>
  <span class="p">(</span><span class="nf">app.route</span> <span class="s">&quot;/issue&quot;</span><span class="p">)</span>
  <span class="p">(</span><span class="nf">defn/a</span> <span class="nv">get-index</span> <span class="p">[</span><span class="nv">request</span><span class="p">]</span>
    <span class="p">(</span><span class="kd">setv </span><span class="nv">template</span> <span class="p">(</span><span class="nf">env.get_template</span> <span class="s">&quot;page.html&quot;</span><span class="p">))</span>
    <span class="p">(</span><span class="k">return</span> <span class="p">(</span><span class="nf">response.html</span> <span class="p">(</span><span class="nf">template.render</span><span class="p">)))</span>
  <span class="p">)</span>
<span class="p">)</span>

<span class="p">(</span><span class="nf">app.static</span> <span class="s">&quot;/&quot;</span> <span class="s">&quot;./public&quot;</span><span class="p">)</span>

<span class="p">(</span><span class="nf">defmain</span> <span class="p">[</span><span class="o">&amp;</span><span class="k">rest </span><span class="nv">args</span><span class="p">]</span>
    <span class="p">(</span><span class="nf">app.run</span> <span class="ss">:host</span> <span class="s">&quot;0.0.0.0&quot;</span> <span class="ss">:port</span> <span class="mi">8015</span><span class="p">)</span>
<span class="p">)</span>
</pre></div>
</div>
</div>
<div class="section" id="index">
<h2>Index<a class="headerlink" href="#index" title="Permalink to this headline">¶</a></h2>
<div class="highlight-html notranslate"><div class="highlight"><pre><span></span><span class="cp">&lt;!DOCTYPE html&gt;</span>
<span class="p">&lt;</span><span class="nt">html</span> <span class="na">lang</span><span class="o">=</span><span class="s">&quot;en&quot;</span><span class="p">&gt;</span>

    <span class="p">&lt;</span><span class="nt">head</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">meta</span> <span class="na">charset</span><span class="o">=</span><span class="s">&quot;utf-8&quot;</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">title</span><span class="p">&gt;</span>Bitrhythm<span class="p">&lt;/</span><span class="nt">title</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">meta</span> <span class="na">http-equiv</span><span class="o">=</span><span class="s">&quot;Cache-Control&quot;</span> <span class="na">content</span><span class="o">=</span><span class="s">&quot;no-cache, no-store, must-revalidate&quot;</span> <span class="p">/&gt;</span>
        <span class="p">&lt;</span><span class="nt">meta</span> <span class="na">http-equiv</span><span class="o">=</span><span class="s">&quot;Pragma&quot;</span> <span class="na">content</span><span class="o">=</span><span class="s">&quot;no-cache&quot;</span> <span class="p">/&gt;</span>
        <span class="p">&lt;</span><span class="nt">meta</span> <span class="na">http-equiv</span><span class="o">=</span><span class="s">&quot;Expires&quot;</span> <span class="na">content</span><span class="o">=</span><span class="s">&quot;0&quot;</span> <span class="p">/&gt;</span>

        <span class="p">&lt;</span><span class="nt">meta</span> <span class="na">content</span><span class="o">=</span><span class="s">&quot;Bitrhythm&quot;</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;description&quot;</span> <span class="na">xml:lang</span><span class="o">=</span><span class="s">&quot;en&quot;</span> <span class="na">lang</span><span class="o">=</span><span class="s">&quot;en&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">meta</span> <span class="na">content</span><span class="o">=</span><span class="s">&quot;literate programming, p5, live coding, algorave, demoscene, creative programming, music, techno, programming, webaudio, webgl, p5, improvising&quot;</span><span class="p">&gt;</span>

       ${common_scripts}

        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;preconnect&quot;</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://fonts.gstatic.com&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://fonts.googleapis.com/css2?family=Roboto+Mono:ital,wght@0,100;0,200;0,300;0,400;0,500;0,700;1,100;1,200;1,300;1,400;1,500;1,700&amp;display=swap&quot;</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;stylesheet&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://fonts.googleapis.com/css2?family=Major+Mono+Display&amp;family=Roboto+Mono:ital,wght@0,100;0,200;0,300;0,400;0,500;0,700;1,100;1,200;1,300;1,400;1,500;1,700&amp;display=swap&quot;</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;stylesheet&quot;</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://code.jquery.com/ui/1.12.0/jquery-ui.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;stylesheet&quot;</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://code.jquery.com/ui/1.12.0/themes/smoothness/jquery-ui.css&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/micromodal/0.4.6/micromodal.min.js&quot;</span> <span class="na">integrity</span><span class="o">=</span><span class="s">&quot;sha512-RMMh+IHzfZLsVFo1rX9PBoysxrJJqjyOS31HYWftobWtv2At6KBTqKpvVDIWAjL5aiV+LjFqkQ6e53Rdw3VOBg==&quot;</span> <span class="na">crossorigin</span><span class="o">=</span><span class="s">&quot;anonymous&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/whenipress@1.8.0/dist/whenipress.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/AlertifyJS/1.13.1/alertify.min.js&quot;</span> <span class="na">integrity</span><span class="o">=</span><span class="s">&quot;sha512-JnjG+Wt53GspUQXQhc+c4j8SBERsgJAoHeehagKHlxQN+MtCCmFDghX9/AcbkkNRZptyZU4zC8utK59M5L45Iw==&quot;</span> <span class="na">crossorigin</span><span class="o">=</span><span class="s">&quot;anonymous&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;stylesheet&quot;</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/AlertifyJS/1.13.1/css/alertify.min.css&quot;</span> <span class="na">integrity</span><span class="o">=</span><span class="s">&quot;sha512-IXuoq1aFd2wXs4NqGskwX2Vb+I8UJ+tGJEu/Dc0zwLNKeQ7CW3Sr6v0yU3z5OQWe3eScVIkER4J9L7byrgR/fA==&quot;</span> <span class="na">crossorigin</span><span class="o">=</span><span class="s">&quot;anonymous&quot;</span> <span class="p">/&gt;</span>
        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;stylesheet&quot;</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/AlertifyJS/1.13.1/css/themes/default.min.css&quot;</span> <span class="na">integrity</span><span class="o">=</span><span class="s">&quot;sha512-RgUjDpwjEDzAb7nkShizCCJ+QTSLIiJO1ldtuxzs0UIBRH4QpOjUU9w47AF9ZlviqV/dOFGWF6o7l3lttEFb6g==&quot;</span> <span class="na">crossorigin</span><span class="o">=</span><span class="s">&quot;anonymous&quot;</span> <span class="p">/&gt;</span>

        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/json-url-master/dist/browser/json-url.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/riot-3.13.2/riot+compiler.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;stylesheet&quot;</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/tailwindcss/2.1.2/tailwind.min.css&quot;</span> <span class="na">integrity</span><span class="o">=</span><span class="s">&quot;sha512-RntatPOhEcQEA81gC/esYoCkGkL7AYV7TeTPoU+R9zE44/yWxVvLIBfBSaMu78rhoDd73ZeRHXRJN5+aPEK53Q==&quot;</span> <span class="na">crossorigin</span><span class="o">=</span><span class="s">&quot;anonymous&quot;</span> <span class="p">/&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js&quot;</span> <span class="na">integrity</span><span class="o">=</span><span class="s">&quot;sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM&quot;</span> <span class="na">crossorigin</span><span class="o">=</span><span class="s">&quot;anonymous&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;stylesheet&quot;</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/lib/codemirror.css&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;stylesheet&quot;</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/addon/hint/show-hint.css&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/lib/codemirror.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/addon/hint/show-hint.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;http://esironal.github.io/cmtouch/addon/hint/xml-hint.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/addon/hint/html-hint.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/mode/xml/xml.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/mode/javascript/javascript.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/mode/css/css.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/mode/htmlmixed/htmlmixed.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/addon/selection/active-line.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/addon/edit/matchbrackets.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;stylesheet&quot;</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://esironal.github.io/cmtouch/theme/neonsyntax.css&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;stylesheet&quot;</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://unpkg.com/pyloncss@latest/css/pylon.css&quot;</span><span class="p">/&gt;</span>


        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/tune.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/misc.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">style</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;text/css&quot;</span><span class="p">&gt;</span>
<span class="nt">body</span> <span class="p">{</span>
    <span class="k">background</span><span class="p">:</span> <span class="kc">black</span><span class="p">;</span>
    <span class="k">color</span><span class="p">:</span> <span class="kc">white</span><span class="p">;</span>
    <span class="k">font-family</span><span class="p">:</span> <span class="s1">&#39;Roboto Mono&#39;</span><span class="p">,</span> <span class="kc">monospace</span><span class="p">;</span>
<span class="p">}</span>

<span class="nt">a</span> <span class="p">{</span>
    <span class="k">color</span><span class="p">:</span> <span class="kc">white</span><span class="p">;</span>
<span class="p">}</span>

<span class="nt">input</span> <span class="p">{</span>
    <span class="k">color</span><span class="p">:</span> <span class="kc">black</span><span class="p">;</span>
<span class="p">}</span>

<span class="p">.</span><span class="nc">btn</span> <span class="p">{</span>
    <span class="k">background</span><span class="p">:</span> <span class="kc">white</span><span class="p">;</span>
    <span class="k">color</span><span class="p">:</span> <span class="kc">black</span><span class="p">;</span>
    <span class="k">padding</span><span class="p">:</span> <span class="mi">4</span><span class="kt">px</span><span class="p">;</span>
<span class="p">}</span>

<span class="p">.</span><span class="nc">CodeMirror</span> <span class="p">{</span>
    <span class="k">font-size</span><span class="p">:</span> <span class="mi">12</span><span class="kt">px</span><span class="p">;</span>
    <span class="k">width</span><span class="p">:</span> <span class="mi">100</span><span class="kt">%</span><span class="p">;</span>
    <span class="k">padding-left</span><span class="p">:</span> <span class="mi">4</span><span class="kt">px</span><span class="p">;</span>
    <span class="k">line-height</span><span class="p">:</span> <span class="mi">1</span><span class="p">;</span>
    <span class="k">background</span><span class="p">:</span> <span class="kc">transparent</span> <span class="cp">!important</span><span class="p">;</span>
    <span class="k">color</span><span class="p">:</span> <span class="kc">white</span> <span class="cp">!important</span><span class="p">;</span>
    <span class="k">font-family</span><span class="p">:</span> <span class="s1">&#39;Roboto Mono&#39;</span><span class="p">,</span> <span class="kc">monospace</span> <span class="cp">!important</span><span class="p">;</span>
<span class="p">}</span>

<span class="p">.</span><span class="nc">CodeMirror-vscrollbar</span><span class="o">,</span> <span class="p">.</span><span class="nc">CodeMirror-hscrollbar</span> <span class="p">{</span>
    <span class="k">overflow-x</span><span class="p">:</span> <span class="kc">hidden</span> <span class="cp">!important</span><span class="p">;</span>
    <span class="k">overflow-y</span><span class="p">:</span> <span class="kc">hidden</span> <span class="cp">!important</span><span class="p">;</span>
<span class="p">}</span>

<span class="p">.</span><span class="nc">CodeMirror-cursor</span> <span class="p">{</span>
  <span class="k">border-left</span><span class="p">:</span> <span class="mi">2</span><span class="kt">px</span> <span class="kc">solid</span> <span class="kc">white</span> <span class="cp">!important</span><span class="p">;</span>
<span class="p">}</span>

<span class="p">.</span><span class="nc">CodeMirror</span> <span class="nt">pre</span><span class="o">,</span>
<span class="p">.</span><span class="nc">CodeMirror-line</span> <span class="o">&gt;</span> <span class="nt">span</span><span class="o">,</span>
<span class="p">.</span><span class="nc">CodeMirror-lines</span> <span class="p">{</span>
  <span class="k">padding</span><span class="p">:</span> <span class="mi">0</span> <span class="cp">!important</span><span class="p">;</span>
<span class="p">}</span>


        <span class="p">&lt;/</span><span class="nt">style</span><span class="p">&gt;</span>

        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;riot/tag&quot;</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/components/bitrhythm.tag&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;riot/tag&quot;</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/components/dial.tag&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;riot/tag&quot;</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/components/sample.tag&quot;</span> <span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;riot/tag&quot;</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/components/number.tag&quot;</span> <span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

    <span class="p">&lt;</span><span class="nt">script</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;text/javascript&quot;</span><span class="p">&gt;</span>
            <span class="kd">var</span> <span class="nx">_paq</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">_paq</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">_paq</span> <span class="o">||</span> <span class="p">[];</span>
    <span class="nx">_paq</span><span class="p">.</span><span class="nx">push</span><span class="p">([</span><span class="s1">&#39;trackPageView&#39;</span><span class="p">]);</span><span class="nx">_paq</span><span class="p">.</span><span class="nx">push</span><span class="p">([</span><span class="s1">&#39;enableLinkTracking&#39;</span><span class="p">]);</span><span class="nx">_paq</span><span class="p">.</span><span class="nx">push</span><span class="p">([</span><span class="s1">&#39;alwaysUseSendBeacon&#39;</span><span class="p">]);</span><span class="nx">_paq</span><span class="p">.</span><span class="nx">push</span><span class="p">([</span><span class="s1">&#39;setTrackerUrl&#39;</span><span class="p">,</span> <span class="s2">&quot;\/\/blog.xyzzyapps.link\/owoamims\/matomo\/app\/matomo.php&quot;</span><span class="p">]);</span><span class="nx">_paq</span><span class="p">.</span><span class="nx">push</span><span class="p">([</span><span class="s1">&#39;setSiteId&#39;</span><span class="p">,</span> <span class="s1">&#39;1&#39;</span><span class="p">]);</span><span class="kd">var</span> <span class="nx">d</span><span class="o">=</span><span class="nb">document</span><span class="p">,</span> <span class="nx">g</span><span class="o">=</span><span class="nx">d</span><span class="p">.</span><span class="nx">createElement</span><span class="p">(</span><span class="s1">&#39;script&#39;</span><span class="p">),</span> <span class="nx">s</span><span class="o">=</span><span class="nx">d</span><span class="p">.</span><span class="nx">getElementsByTagName</span><span class="p">(</span><span class="s1">&#39;script&#39;</span><span class="p">)[</span><span class="mf">0</span><span class="p">];</span>
    <span class="nx">g</span><span class="p">.</span><span class="nx">type</span><span class="o">=</span><span class="s1">&#39;text/javascript&#39;</span><span class="p">;</span> <span class="nx">g</span><span class="p">.</span><span class="k">async</span><span class="o">=</span><span class="kc">true</span><span class="p">;</span> <span class="nx">g</span><span class="p">.</span><span class="nx">src</span><span class="o">=</span><span class="s2">&quot;\/\/blog.xyzzyapps.link\/oozotche\/matomo\/matomo.js&quot;</span><span class="p">;</span> <span class="nx">s</span><span class="p">.</span><span class="nx">parentNode</span><span class="p">.</span><span class="nx">insertBefore</span><span class="p">(</span><span class="nx">g</span><span class="p">,</span><span class="nx">s</span><span class="p">);</span>
    <span class="p">&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

    <span class="p">&lt;/</span><span class="nt">head</span><span class="p">&gt;</span>

    <span class="p">&lt;</span><span class="nt">body</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">div</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;containera-full&quot;</span><span class="p">&gt;</span>
            <span class="p">&lt;</span><span class="nt">hstack</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;mb-2&quot;</span><span class="p">&gt;</span>
                <span class="p">&lt;</span><span class="nt">h5</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-4&quot;</span><span class="p">&gt;&lt;</span><span class="nt">a</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;/docs/index.html&quot;</span> <span class="na">target</span><span class="o">=</span><span class="s">&quot;_blank&quot;</span><span class="p">&gt;</span>Docs + Demo<span class="p">&lt;/</span><span class="nt">a</span><span class="p">&gt;&lt;/</span><span class="nt">h5</span><span class="p">&gt;</span>
                <span class="p">&lt;</span><span class="nt">h5</span> <span class="na">class</span><span class="o">=</span><span class="s">&quot;ml-4&quot;</span><span class="p">&gt;&lt;</span><span class="nt">a</span>  <span class="na">href</span><span class="o">=</span><span class="s">&quot;/song/XQAAAAJwFAAAAAAAAABDKUqGU5vI8Eygv8VLc6H1NFIzdYQe5mT-79BTKosH6Xje2IYnNRgEOpeuhg9NTfIT-_uEg-npGX0y9CmzyyVpwgaOUrKNlF-pzVXf3YnQ2gSfpzY3zlYLujavQRq73hSEM-RaGxTxuud9nauG_VdXCmE_lvZ88XvUHOIGjOkCUKV-1ot3i9fx5NP-UsUmVpnjUDnq_9eUJfonx5B_oG4c3GvLitNREl_O9emU8CST0v5RVqHSudqZqsrortpDjdMlekhQ2y7ZlNcUDjGoTrH4vFMrLVI60wINoufS0iO6ourxizS1Ifv_iirkdP0U0Zp21rHHKXlwhWG0hmTCxYo8ZIf0Cmbiu22GiFFmRfIcuWbcq-_SWdyMJ0sWIslhKpGFEapN604eNblpy5im2PsItjWScu-cS0JI3zeHb8JMNzWflq0-XWHG5WLsmPqCbn3GgfR6BiAx1ApmTui84WXgX6SuJPkXRqHEOKpBZ4dKEPr5P_-DDpwz0L7i8X_FHE-LBMactDBoKgIbIoyVnRe6DJ9s5AZLJjUrWGGVCLcp5bEKOnH_3HfZuDq9UlOvZRVkz3BwpUeajLeUJcAYxDmU2JbNUaipMJN7LF9YAX2LaT44LACw2A7Is-pQ_EGznjhEo7SS7JusQPN6G43g4OUZSUY5WNlPUCWfXSeWNU0Xx_-b4r6t4HHQS2P2stIQOS96JqLzXrx-Q62Y8RSRIvieE76j_-dw4icTDiATfx8doLkSzXgOzNTcZYume2cHLEG-0TbgR1M6WCPiH4pvHIRfcTxEDZK5b7iqIhY0MNW8Kkyn7KFVqQf_5d_msiv57DWIHg6Qi6cmBdOF0Li_CY8kFBV4BWLsOlanN6_hehIREVU8WgWbM9rdrKcqzhHD8Fp5qTmbyiVnjD83BDhKY5zwF8xFM1p7ZmEjlIF1ag62BDRt5j_MZ9q5COsX9gpV6DfA0FaDwyOmkMsOFiGeUNIr8B_ENYG-EpYbhUHZukv-QttcjFwRypF1eSN3DMrGUm1eB62PW3s--XcugwT5GJQRa66WZF4DZzPPTKEZhtNL28KgBcHm3DeuSfN_HRsgBW1o2YDpM1QP-K0aedKB_umlWhdBze7Gs72-vDfjB6LGI__tncLNS3GaqYaltFnzc64EOV-mz1xvlyAuFSj-T8r8e5ebJky7o6PZXPTvvCLeTL056Tpp-Gh-WgxmyMISIhkb5kKPj235H7OY-JAoT28VVrA01WpXoArOJaE2ijBt2oLOYXwWiO1hUI3NtTO2vI__sllxHNHS6EiHXPyLj8_PGF47RUq7oc-9ibiF9FUuoonMLE0PwyGOUJ6LU9SDb4FLPwk0gJBP4GiWLftvfErrXDNck9O6_JZvpJ_9O5qmNDUge5yDYbO__vJejx0bomU7eG2kuvPAmGtiWrYo8B_3JoEAOMgVa9SxE4kZ-ijdh-glIKredlMCUG5eYJc-6H_94pteyO-ocB8rrlfSGr6M2r9xlbeMecCvJTRjmwMbB12DWGbDq5Sxn8tgX98O9lT-51_oajqKVMmox3f7kXhsJPxyIMsUaVVFRmpPJvMt5nt9-i1Vgmux4a3t7a1oVPdN35POOjun63NkyODKhTUHmjdC7h9tv6ZI8WPf2Gh9__k6qf5xp3u3OjzkISj7ainHooji_3Cnjm3T30e6pm3MhliJg1ezFi8NetUwwYZz6UNCMOTUaWAqJ5BmF2hAh5Sdsog93orRvrOuPTNhRA1Wlyjrsy8zVW3WlO4chcKVYA0OsH1Zwjo7koXbfX7ERrPnAbZsWfkPePwI4to-KuPF1v0U4jwFelzwn3n4C1E2BkqPfNcvnVlFDmPHlyOCZHrfsrG9GUPsCrZdrX2EHiWH_bRkXVJwkHTLir8d_cjI0DIrVYji4XBIDX9Pmt-0ylr0FeHLXVHNb4Q7V--3d4-mJ2zXsZDR97M_ikaQVHZBWcKnyWmx_aPoWKnFYkk_6PbR246YU3fViA9PdZKTYrN2B3KmcrliH2T2YRcRdWQGxXlXZh3Bsd5PtOC1EuV7-DHlkI67D6V-AFScJfdj64Pv1wKwGQZ7lEZtrmv_VVRmkWYWFtbBj5HHnth1sKhBjVgGIVH74y9b0hHjpo5kw-1_3jNZ1ooxp-y8FTHblmSkSoQe8bey9XQ7BxGbUPsG0X5LfT8FpZH36A6Vz6nedFEvuoQCyV55qcnDD5IKsJeyKZz1ugrYGoZIfJMr1XTiulWUiaxeat7Q6Xq1YXOjvWV7ki_w4m__-wVP5g&quot;</span><span class="p">&gt;</span>Tutorial<span class="p">&lt;/</span><span class="nt">a</span><span class="p">&gt;&lt;/</span><span class="nt">h5</span><span class="p">&gt;</span>
            <span class="p">&lt;/</span><span class="nt">hstack</span><span class="p">&gt;</span>

            <span class="p">&lt;</span><span class="nt">bitrhythm</span> <span class="na">song</span><span class="o">=</span><span class="s">&quot;{{data}}&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">bitrhythm</span><span class="p">&gt;</span>
        <span class="p">&lt;/</span><span class="nt">div</span><span class="p">&gt;</span>

    <span class="p">&lt;</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="nx">riot</span><span class="p">.</span><span class="nx">compile</span><span class="p">(</span><span class="kd">function</span><span class="p">()</span> <span class="p">{</span>
            <span class="kd">var</span> <span class="nx">bitrhythm</span> <span class="o">=</span> <span class="nx">riot</span><span class="p">.</span><span class="nx">mount</span><span class="p">(</span><span class="s1">&#39;bitrhythm&#39;</span><span class="p">);</span>
            <span class="nb">window</span><span class="p">.</span><span class="nx">bitrhythm</span> <span class="o">=</span> <span class="nx">bitrhythm</span><span class="p">[</span><span class="mf">0</span><span class="p">];</span>
            <span class="kd">var</span> <span class="nx">dial</span> <span class="o">=</span> <span class="nx">riot</span><span class="p">.</span><span class="nx">mount</span><span class="p">(</span><span class="s1">&#39;dial&#39;</span><span class="p">);</span>
            <span class="kd">var</span> <span class="nx">number</span> <span class="o">=</span> <span class="nx">riot</span><span class="p">.</span><span class="nx">mount</span><span class="p">(</span><span class="s1">&#39;number&#39;</span><span class="p">);</span>
            <span class="kd">var</span> <span class="nx">sample</span> <span class="o">=</span> <span class="nx">riot</span><span class="p">.</span><span class="nx">mount</span><span class="p">(</span><span class="s1">&#39;sample&#39;</span><span class="p">);</span>
        <span class="p">})</span>
    <span class="p">&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>


    <span class="p">&lt;/</span><span class="nt">body</span><span class="p">&gt;</span>

<span class="p">&lt;/</span><span class="nt">html</span><span class="p">&gt;</span>
</pre></div>
</div>
</div>
<div class="section" id="page">
<h2>Page<a class="headerlink" href="#page" title="Permalink to this headline">¶</a></h2>
<div class="highlight-html notranslate"><div class="highlight"><pre><span></span><span class="cp">&lt;!DOCTYPE html&gt;</span>
<span class="p">&lt;</span><span class="nt">html</span> <span class="na">lang</span><span class="o">=</span><span class="s">&quot;en&quot;</span><span class="p">&gt;</span>
    <span class="p">&lt;</span><span class="nt">head</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">meta</span> <span class="na">charset</span><span class="o">=</span><span class="s">&quot;utf-8&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">meta</span> <span class="na">name</span><span class="o">=</span><span class="s">&quot;viewport&quot;</span> <span class="na">content</span><span class="o">=</span><span class="s">&quot;width=device-width, initial-scale=1&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">meta</span> <span class="na">http-equiv</span><span class="o">=</span><span class="s">&quot;Cache-Control&quot;</span> <span class="na">content</span><span class="o">=</span><span class="s">&quot;no-cache, no-store, must-revalidate&quot;</span> <span class="p">/&gt;</span>
        <span class="p">&lt;</span><span class="nt">meta</span> <span class="na">http-equiv</span><span class="o">=</span><span class="s">&quot;Pragma&quot;</span> <span class="na">content</span><span class="o">=</span><span class="s">&quot;no-cache&quot;</span> <span class="p">/&gt;</span>
        <span class="p">&lt;</span><span class="nt">meta</span> <span class="na">http-equiv</span><span class="o">=</span><span class="s">&quot;Expires&quot;</span> <span class="na">content</span><span class="o">=</span><span class="s">&quot;0&quot;</span> <span class="p">/&gt;</span>
        <span class="p">&lt;</span><span class="nt">title</span><span class="p">&gt;</span>About birthythm<span class="p">&lt;/</span><span class="nt">title</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;icon&quot;</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;favicon.ico&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">style</span><span class="p">&gt;</span>
        <span class="nt">html</span><span class="o">,</span> <span class="nt">body</span> <span class="p">{</span>
            <span class="k">margin</span><span class="p">:</span> <span class="mi">0</span><span class="p">;</span>
            <span class="k">width</span><span class="p">:</span> <span class="mi">100</span><span class="kt">%</span><span class="p">;</span>
            <span class="k">height</span><span class="p">:</span> <span class="mi">100</span><span class="kt">%</span><span class="p">;</span>
            <span class="k">padding</span><span class="p">:</span> <span class="mi">0</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="nt">iframe</span> <span class="p">{</span>
            <span class="k">position</span><span class="p">:</span><span class="kc">fixed</span><span class="p">;</span>
            <span class="k">top</span><span class="p">:</span><span class="mi">0</span><span class="p">;</span>
            <span class="k">left</span><span class="p">:</span><span class="mi">0</span><span class="p">;</span>
            <span class="k">bottom</span><span class="p">:</span><span class="mi">0</span><span class="p">;</span>
            <span class="k">right</span><span class="p">:</span><span class="mi">0</span><span class="p">;</span>
            <span class="k">width</span><span class="p">:</span><span class="mi">100</span><span class="kt">%</span><span class="p">;</span>
            <span class="k">height</span><span class="p">:</span><span class="mi">100</span><span class="kt">%</span><span class="p">;</span>
            <span class="k">border</span><span class="p">:</span><span class="kc">none</span><span class="p">;</span>
            <span class="k">margin</span><span class="p">:</span><span class="mi">0</span><span class="p">;</span>
            <span class="k">padding</span><span class="p">:</span><span class="mi">0</span><span class="p">;</span>
            <span class="k">overflow</span><span class="p">:</span><span class="kc">hidden</span><span class="p">;</span>
            <span class="k">z-index</span><span class="p">:</span><span class="mi">999999</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="p">&lt;/</span><span class="nt">style</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">link</span> <span class="na">href</span><span class="o">=</span><span class="s">&quot;https://unpkg.com/tailwindcss@^2/dist/tailwind.min.css&quot;</span> <span class="na">rel</span><span class="o">=</span><span class="s">&quot;stylesheet&quot;</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span><span class="p">&gt;</span>
            <span class="nb">window</span><span class="p">.</span><span class="nx">goatcounter</span> <span class="o">=</span> <span class="p">{</span>
                <span class="nx">path</span><span class="o">:</span> <span class="kd">function</span><span class="p">(</span><span class="nx">p</span><span class="p">)</span> <span class="p">{</span> <span class="k">return</span> <span class="nx">location</span><span class="p">.</span><span class="nx">host</span> <span class="o">+</span> <span class="nx">p</span> <span class="p">}</span>
            <span class="p">}</span>
        <span class="p">&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">script</span> <span class="na">data-goatcounter</span><span class="o">=</span><span class="s">&quot;https://analytics.xyzzyapps.link/count&quot;</span> <span class="na">async</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;//analytics.xyzzyapps.link/count.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
    <span class="p">&lt;/</span><span class="nt">head</span><span class="p">&gt;</span>
    <span class="p">&lt;</span><span class="nt">body</span><span class="p">&gt;</span>
        <span class="p">&lt;</span><span class="nt">iframe</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://blog.xyzzyapps.link/bitrhythm-submit-issue-feedback&quot;</span> <span class="na">frameborder</span><span class="o">=</span><span class="s">&quot;0&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">iframe</span><span class="p">&gt;</span>
    <span class="p">&lt;/</span><span class="nt">body</span><span class="p">&gt;</span>
<span class="p">&lt;/</span><span class="nt">html</span><span class="p">&gt;</span>
</pre></div>
</div>
</div>
<div class="section" id="javascript">
<h2>Javascript<a class="headerlink" href="#javascript" title="Permalink to this headline">¶</a></h2>
<div class="highlight-js notranslate"><div class="highlight"><pre><span></span><span class="kd">function</span> <span class="nx">getRandomInt</span><span class="p">(</span><span class="nx">max</span><span class="p">)</span> <span class="p">{</span>
  <span class="k">return</span> <span class="nb">Math</span><span class="p">.</span><span class="nx">floor</span><span class="p">(</span><span class="nb">Math</span><span class="p">.</span><span class="nx">random</span><span class="p">()</span> <span class="o">*</span> <span class="nx">max</span><span class="p">);</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">initWinamp</span><span class="p">(</span><span class="nx">preset</span><span class="p">)</span> <span class="p">{</span>
    <span class="kd">var</span> <span class="nx">can</span> <span class="o">=</span> <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s2">&quot;visual&quot;</span><span class="p">);</span>
    <span class="nx">can</span><span class="p">.</span><span class="nx">height</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">innerHeight</span> <span class="o">-</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s2">&quot;header-playback&quot;</span><span class="p">).</span><span class="nx">clientHeight</span> <span class="o">/</span> <span class="mf">2</span><span class="p">);</span>
    <span class="nx">can</span><span class="p">.</span><span class="nx">width</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">innerWidth</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">can_container</span> <span class="o">=</span> <span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s2">&quot;canvas-container&quot;</span><span class="p">);</span>
    <span class="nx">can_container</span><span class="p">.</span><span class="nx">width</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">innerWidth</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">visualizer</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">butterchurn</span><span class="p">.</span><span class="k">default</span><span class="p">.</span><span class="nx">createVisualizer</span><span class="p">(</span><span class="nx">Tone</span><span class="p">.</span><span class="nx">getContext</span><span class="p">().</span><span class="nx">rawContext</span><span class="p">,</span> <span class="nx">can</span><span class="p">,</span> <span class="p">{</span>
        <span class="nx">height</span><span class="o">:</span> <span class="nb">window</span><span class="p">.</span><span class="nx">innerHeight</span> <span class="o">-</span> <span class="p">(</span><span class="nb">document</span><span class="p">.</span><span class="nx">getElementById</span><span class="p">(</span><span class="s2">&quot;header-playback&quot;</span><span class="p">).</span><span class="nx">clientHeight</span> <span class="o">/</span> <span class="mf">2</span><span class="p">),</span>
        <span class="nx">width</span><span class="o">:</span> <span class="nb">window</span><span class="p">.</span><span class="nx">innerWidth</span><span class="p">,</span>
        <span class="nx">meshWidth</span><span class="o">:</span> <span class="mf">24</span><span class="p">,</span>
        <span class="nx">meshHeight</span><span class="o">:</span> <span class="mf">18</span><span class="p">,</span>
    <span class="p">});</span>
    <span class="nx">visualizer</span><span class="p">.</span><span class="nx">connectAudio</span><span class="p">(</span><span class="nx">Tone</span><span class="p">.</span><span class="nx">getContext</span><span class="p">().</span><span class="nx">destination</span><span class="p">);</span>
    <span class="kd">const</span> <span class="nx">presets</span> <span class="o">=</span> <span class="nb">window</span><span class="p">.</span><span class="nx">butterchurnPresets</span><span class="p">.</span><span class="nx">getPresets</span><span class="p">();</span>
    <span class="kd">const</span> <span class="nx">presetParam</span> <span class="o">=</span> <span class="nx">presets</span><span class="p">[</span><span class="nx">preset</span><span class="p">];</span>
................................................................................
            <span class="k">return</span> <span class="nx">val</span><span class="p">;</span>
        <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
            <span class="k">return</span> <span class="nx">state</span><span class="p">;</span>
        <span class="p">}</span>
    <span class="p">}</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">romantogypsy</span><span class="p">(</span><span class="nx">hex</span><span class="p">)</span> <span class="p">{</span>
    <span class="kd">var</span> <span class="nx">letters</span> <span class="o">=</span> <span class="nx">hex</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`1&#39;</span><span class="p">,</span><span class="s1">&#39;a&#39;</span><span class="p">);</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">letters</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`2&#39;</span><span class="p">,</span><span class="s1">&#39;b&#39;</span><span class="p">);</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">letters</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`3&#39;</span><span class="p">,</span><span class="s1">&#39;c&#39;</span><span class="p">);</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">letters</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`4&#39;</span><span class="p">,</span><span class="s1">&#39;d&#39;</span><span class="p">);</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">letters</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`5&#39;</span><span class="p">,</span><span class="s1">&#39;e&#39;</span><span class="p">);</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">letters</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="s1">&#39;`6&#39;</span><span class="p">,</span><span class="s1">&#39;f&#39;</span><span class="p">);</span>
    <span class="k">return</span> <span class="nx">letters</span><span class="p">;</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">lettertodec</span><span class="p">(</span><span class="nx">letter</span><span class="p">)</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">bin</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
        <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span><span class="p">.</span><span class="nx">match</span><span class="p">(</span><span class="sr">/\d/</span><span class="p">))</span> <span class="p">{</span>
            <span class="nx">no</span> <span class="o">=</span> <span class="nb">parseInt</span><span class="p">(</span><span class="nx">letter</span><span class="p">);</span>
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;a&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">no</span> <span class="o">=</span> <span class="mf">10</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;b&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">no</span> <span class="o">=</span> <span class="mf">11</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;c&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">no</span> <span class="o">=</span> <span class="mf">12</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;d&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">no</span> <span class="o">=</span> <span class="mf">13</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;e&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">no</span> <span class="o">=</span> <span class="mf">14</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;f&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">no</span> <span class="o">=</span> <span class="mf">15</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">for</span> <span class="p">(</span><span class="nx">i</span> <span class="o">=</span> <span class="mf">1</span><span class="p">;</span> <span class="nx">i</span> <span class="o">&lt;=</span> <span class="nx">no</span><span class="p">;</span> <span class="nx">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">bin</span> <span class="o">+=</span> <span class="s2">&quot;0&quot;</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">return</span> <span class="nx">bin</span><span class="p">;</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">lettertobin</span><span class="p">(</span><span class="nx">letter</span><span class="p">)</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">bin</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
        <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;0&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">bin</span> <span class="o">+=</span> <span class="s2">&quot;0000&quot;</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;1&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">bin</span> <span class="o">+=</span> <span class="s2">&quot;0001&quot;</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;2&quot;</span><span class="p">)</span> <span class="p">{</span>
................................................................................
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;e&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">bin</span> <span class="o">+=</span> <span class="s2">&quot;1110&quot;</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">letter</span> <span class="o">==</span> <span class="s2">&quot;f&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">bin</span> <span class="o">+=</span> <span class="s2">&quot;1111&quot;</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">return</span> <span class="nx">bin</span><span class="p">;</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">hex2bin</span><span class="p">(</span><span class="nx">hex</span><span class="p">)</span> <span class="p">{</span>
    <span class="kd">var</span> <span class="nx">letters</span> <span class="o">=</span> <span class="nx">romantogypsy</span><span class="p">(</span><span class="nx">hex</span><span class="p">)</span>
    <span class="nx">letters</span> <span class="o">=</span> <span class="nx">letters</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s1">&#39;&#39;</span><span class="p">);</span>
    <span class="kd">var</span> <span class="nx">bin</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
    <span class="nx">letters</span><span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">letter</span><span class="p">)</span> <span class="p">{</span>
        <span class="nx">bin</span> <span class="o">+=</span> <span class="nx">lettertobin</span><span class="p">(</span><span class="nx">letter</span><span class="p">)</span>
    <span class="p">})</span>
    <span class="k">return</span> <span class="nx">bin</span><span class="p">;</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">get_char</span><span class="p">(</span><span class="nx">str</span><span class="p">,</span> <span class="nx">index</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">((</span><span class="nx">index</span> <span class="o">&gt;</span> <span class="mf">0</span><span class="p">)</span> <span class="o">&amp;&amp;</span> <span class="p">(</span><span class="nx">index</span> <span class="o">&lt;</span> <span class="nx">str</span><span class="p">.</span><span class="nx">length</span><span class="p">))</span> <span class="p">{</span>
        <span class="k">return</span> <span class="nx">str</span><span class="p">[</span><span class="nx">index</span><span class="p">];</span>
    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
        <span class="k">return</span> <span class="kc">null</span>
    <span class="p">}</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">pattern_meta</span><span class="p">(</span><span class="nx">p</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">p</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">return</span> <span class="kc">null</span><span class="p">;</span>
    <span class="p">}</span>
    <span class="nx">p</span> <span class="o">=</span> <span class="nx">p</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/ /g</span><span class="p">,</span> <span class="s2">&quot;&quot;</span><span class="p">);</span>
    <span class="kd">var</span> <span class="nx">fc</span> <span class="o">=</span> <span class="nx">p</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s1">&#39;&#39;</span><span class="p">)[</span><span class="mf">0</span><span class="p">];</span>
    <span class="k">if</span> <span class="p">(</span><span class="nx">fc</span><span class="o">==</span> <span class="s2">&quot;p&quot;</span><span class="p">)</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">ptype</span> <span class="o">=</span> <span class="s2">&quot;xo&quot;</span><span class="p">;</span>
        <span class="kd">var</span> <span class="nx">l</span> <span class="o">=</span> <span class="p">(</span><span class="nx">p</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mf">1</span><span class="p">);</span>
    <span class="p">}</span>

    <span class="k">if</span> <span class="p">(</span><span class="nx">ptype</span> <span class="o">==</span> <span class="s2">&quot;xo&quot;</span><span class="p">)</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">fp</span> <span class="o">=</span> <span class="nx">p</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mf">1</span><span class="p">);</span>
        <span class="nx">fp</span> <span class="o">=</span> <span class="nx">fp</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/x/g</span><span class="p">,</span> <span class="s2">&quot;1&quot;</span><span class="p">);</span>
    <span class="p">}</span>

    <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">fp</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">return</span> <span class="kc">null</span><span class="p">;</span>
    <span class="p">}</span>

    <span class="kd">var</span> <span class="nx">done</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">index</span> <span class="o">=</span> <span class="mf">0</span><span class="p">;</span>
    <span class="kd">var</span> <span class="nx">meta</span> <span class="o">=</span> <span class="p">{}</span>
    <span class="kd">var</span> <span class="nx">one_index</span> <span class="o">=</span> <span class="mf">1</span><span class="p">;</span>

    <span class="k">while</span><span class="p">(</span><span class="mf">1</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">if</span> <span class="p">(</span><span class="nx">index</span> <span class="o">&gt;</span> <span class="nx">fp</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="p">{</span>
            <span class="k">break</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="kd">var</span> <span class="nx">current_meta</span> <span class="o">=</span> <span class="p">{}</span>
        <span class="kd">var</span> <span class="nx">current_letter</span> <span class="o">=</span> <span class="nx">fp</span><span class="p">[</span><span class="nx">index</span><span class="p">]</span>
        <span class="k">if</span> <span class="p">(</span><span class="nx">current_letter</span> <span class="o">==</span> <span class="s2">&quot;_&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">meta</span><span class="p">[</span><span class="nx">one_index</span> <span class="o">-</span><span class="mf">1</span><span class="p">]</span> <span class="o">=</span> <span class="p">{</span><span class="s2">&quot;volume&quot;</span><span class="o">:</span> <span class="s2">&quot;off&quot;</span> <span class="p">};</span>
            <span class="nx">index</span> <span class="o">+=</span> <span class="mf">2</span><span class="p">;</span>
            <span class="nx">one_index</span> <span class="o">+=</span> <span class="mf">2</span><span class="p">;</span>
            <span class="k">continue</span><span class="p">;</span>
        <span class="p">}</span>
        <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">current_letter</span> <span class="o">==</span> <span class="s2">&quot;1&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="kd">var</span> <span class="nx">next_letter</span> <span class="o">=</span> <span class="nx">get_char</span><span class="p">(</span><span class="nx">fp</span><span class="p">,</span><span class="nx">index</span> <span class="o">+</span> <span class="mf">1</span><span class="p">);</span>
            <span class="k">if</span> <span class="p">(</span><span class="nx">next_letter</span> <span class="o">==</span> <span class="s2">&quot;[&quot;</span><span class="p">)</span> <span class="p">{</span>
                <span class="kd">var</span> <span class="nx">jump_index</span> <span class="o">=</span> <span class="mf">1</span><span class="p">;</span>
                <span class="kd">var</span> <span class="nx">buffer</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
                <span class="k">while</span><span class="p">(</span><span class="mf">1</span><span class="p">)</span> <span class="p">{</span>
                    <span class="k">if</span> <span class="p">(((</span><span class="nx">index</span> <span class="o">+</span> <span class="mf">1</span><span class="p">)</span> <span class="o">+</span> <span class="nx">jump_index</span><span class="p">)</span> <span class="o">&gt;</span> <span class="nx">fp</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="p">{</span>
                        <span class="k">break</span><span class="p">;</span>
                    <span class="p">}</span>
                    <span class="kd">let</span> <span class="nx">b_next_letter</span> <span class="o">=</span> <span class="nx">get_char</span><span class="p">(</span><span class="nx">fp</span><span class="p">,</span> <span class="p">((</span><span class="nx">index</span> <span class="o">+</span> <span class="mf">1</span><span class="p">)</span> <span class="o">+</span> <span class="nx">jump_index</span><span class="p">));</span>

                    <span class="k">if</span> <span class="p">(</span><span class="nx">b_next_letter</span> <span class="o">==</span> <span class="s2">&quot;]&quot;</span><span class="p">)</span> <span class="p">{</span>
                        <span class="nx">jump_index</span> <span class="o">+=</span> <span class="mf">2</span><span class="p">;</span>
                        <span class="k">break</span><span class="p">;</span>
                    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                        <span class="nx">buffer</span> <span class="o">+=</span> <span class="nx">b_next_letter</span><span class="p">;</span>
                        <span class="nx">jump_index</span> <span class="o">+=</span> <span class="mf">1</span><span class="p">;</span>
                    <span class="p">}</span>
                <span class="p">}</span>
                <span class="kd">var</span> <span class="nx">individual_meta</span> <span class="o">=</span> <span class="nx">buffer</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s2">&quot;;&quot;</span><span class="p">)</span>
                <span class="nx">individual_meta</span><span class="p">.</span><span class="nx">map</span><span class="p">(</span><span class="kd">function</span> <span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
                    <span class="k">if</span> <span class="p">(</span><span class="nx">e</span><span class="p">.</span><span class="nx">startsWith</span><span class="p">(</span><span class="s2">&quot;^&quot;</span><span class="p">))</span> <span class="p">{</span>
                        <span class="nx">current_meta</span><span class="p">[</span><span class="s2">&quot;pitch&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="nx">e</span><span class="p">.</span><span class="nx">substring</span><span class="p">(</span><span class="mf">1</span><span class="p">)</span>
                    <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">e</span><span class="p">.</span><span class="nx">startsWith</span><span class="p">(</span><span class="s2">&quot;+&quot;</span><span class="p">))</span> <span class="p">{</span>
                        <span class="nx">current_meta</span><span class="p">[</span><span class="s2">&quot;delay&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="nx">e</span>
                    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                        <span class="nx">current_meta</span><span class="p">[</span><span class="s2">&quot;volume&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="nx">e</span>
                    <span class="p">}</span>
                <span class="p">})</span>
                <span class="nx">meta</span><span class="p">[</span><span class="nx">one_index</span> <span class="o">-</span><span class="mf">1</span><span class="p">]</span> <span class="o">=</span> <span class="nx">current_meta</span>
                <span class="nx">index</span> <span class="o">+=</span> <span class="nx">jump_index</span><span class="p">;</span>
                <span class="nx">one_index</span> <span class="o">+=</span> <span class="mf">1</span><span class="p">;</span>
                <span class="k">continue</span><span class="p">;</span>
            <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                <span class="nx">meta</span><span class="p">[</span><span class="nx">one_index</span> <span class="o">-</span><span class="mf">1</span><span class="p">]</span> <span class="o">=</span> <span class="nx">current_meta</span>
                <span class="nx">one_index</span> <span class="o">+=</span> <span class="mf">1</span><span class="p">;</span>
                <span class="nx">index</span> <span class="o">+=</span> <span class="mf">1</span><span class="p">;</span>
                <span class="k">continue</span><span class="p">;</span>
            <span class="p">}</span>
        <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
            <span class="k">if</span> <span class="p">(</span><span class="nx">current_letter</span> <span class="o">==</span> <span class="s2">&quot;*&quot;</span><span class="p">)</span> <span class="p">{</span>
                <span class="kd">var</span> <span class="nx">next_letter</span> <span class="o">=</span> <span class="nx">get_char</span><span class="p">(</span><span class="nx">fp</span><span class="p">,</span><span class="nx">index</span> <span class="o">+</span> <span class="mf">1</span><span class="p">);</span>
                <span class="k">if</span> <span class="p">(</span><span class="nx">next_letter</span> <span class="o">==</span> <span class="s2">&quot;`&quot;</span><span class="p">)</span> <span class="p">{</span>
                    <span class="nx">index</span> <span class="o">+=</span> <span class="mf">3</span><span class="p">;</span>
                <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                    <span class="nx">index</span> <span class="o">+=</span> <span class="mf">2</span><span class="p">;</span>
                    <span class="k">continue</span><span class="p">;</span>
                <span class="p">}</span>
            <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                <span class="nx">index</span> <span class="o">+=</span> <span class="mf">1</span><span class="p">;</span>
                <span class="nx">one_index</span> <span class="o">+=</span> <span class="mf">1</span><span class="p">;</span>
                <span class="k">continue</span><span class="p">;</span>
            <span class="p">}</span>
        <span class="p">}</span>
    <span class="p">}</span>
    <span class="k">return</span> <span class="nx">meta</span><span class="p">;</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">Sample</span><span class="p">(</span><span class="nx">name</span><span class="p">,</span> <span class="nx">no</span><span class="p">,</span> <span class="nx">filter</span><span class="p">,</span> <span class="nx">volume</span><span class="p">)</span> <span class="p">{</span>
    <span class="nx">name</span> <span class="o">=</span> <span class="nx">name</span>
    <span class="nx">filter</span> <span class="o">=</span> <span class="nx">filter</span> <span class="o">||</span> <span class="mf">10000</span>
    <span class="nx">volume</span> <span class="o">=</span> <span class="nx">volume</span> <span class="o">||</span> <span class="mf">0</span>
    <span class="nx">mem</span><span class="p">[</span><span class="nx">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Tone</span><span class="p">.</span><span class="nx">Filter</span><span class="p">(</span><span class="nx">filter</span><span class="p">,</span> <span class="s1">&#39;lowpass&#39;</span><span class="p">,</span> <span class="o">-</span><span class="mf">96</span><span class="p">);</span>
    <span class="nx">mem</span><span class="p">[</span><span class="nx">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Tone</span><span class="p">.</span><span class="nx">Channel</span><span class="p">({</span><span class="nx">channelCount</span><span class="o">:</span> <span class="mf">2</span><span class="p">,</span> <span class="nx">volume</span><span class="o">:</span> <span class="nx">volume</span><span class="p">}).</span><span class="nx">chain</span><span class="p">(</span><span class="nx">mem</span><span class="p">[</span><span class="nx">name</span> <span class="o">+</span> <span class="s2">&quot;_filter&quot;</span><span class="p">],</span> <span class="nx">mem</span><span class="p">.</span><span class="nx">master</span><span class="p">)</span>
    <span class="nx">samples</span><span class="p">[</span><span class="nx">no</span><span class="p">].</span><span class="nx">connect</span><span class="p">(</span><span class="nx">mem</span><span class="p">[</span><span class="nx">name</span> <span class="o">+</span> <span class="s2">&quot;_channel&quot;</span><span class="p">]);</span>
    <span class="nx">hit_map</span><span class="p">[</span><span class="nx">name</span><span class="p">]</span> <span class="o">=</span> <span class="nx">no</span><span class="p">;</span>
<span class="p">}</span>

<span class="nb">window</span><span class="p">.</span><span class="nx">Sample</span> <span class="o">=</span> <span class="nx">Sample</span><span class="p">;</span>

<span class="kd">function</span> <span class="nx">p</span><span class="p">(</span><span class="nx">s</span><span class="p">,</span> <span class="nx">vol</span><span class="p">,</span> <span class="nx">note</span><span class="p">,</span> <span class="nx">len</span><span class="p">,</span> <span class="nx">delay</span><span class="p">)</span> <span class="p">{</span>
    <span class="nx">note</span> <span class="o">=</span> <span class="nx">note</span> <span class="o">||</span> <span class="s2">&quot;C3&quot;</span>
    <span class="nx">len</span> <span class="o">=</span> <span class="nx">len</span> <span class="o">||</span> <span class="s2">&quot;16n&quot;</span>
    <span class="nx">vol</span> <span class="o">=</span> <span class="nx">vol</span> <span class="o">||</span> <span class="mf">1</span>
    <span class="nx">delay</span> <span class="o">=</span> <span class="nx">delay</span> <span class="o">||</span> <span class="s2">&quot;+0&quot;</span><span class="p">;</span>

    <span class="nx">samples</span><span class="p">[</span><span class="nx">s</span><span class="p">].</span><span class="nx">triggerAttackRelease</span><span class="p">(</span><span class="nx">note</span><span class="p">,</span> <span class="nx">len</span><span class="p">,</span> <span class="nx">delay</span><span class="p">,</span> <span class="nx">vol</span><span class="p">);</span>
    <span class="k">for</span> <span class="p">(</span><span class="kd">const</span> <span class="p">[</span><span class="nx">key</span><span class="p">,</span> <span class="nx">value</span><span class="p">]</span> <span class="k">of</span> <span class="nb">Object</span><span class="p">.</span><span class="nx">entries</span><span class="p">(</span><span class="nx">hit_map</span><span class="p">))</span> <span class="p">{</span>
    	<span class="k">if</span> <span class="p">(</span><span class="nx">value</span> <span class="o">==</span> <span class="nx">s</span><span class="p">)</span> <span class="p">{</span>
	    	<span class="nx">mem</span><span class="p">[</span><span class="nx">key</span> <span class="o">+</span> <span class="s2">&quot;_last&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="nx">count</span> 
	    <span class="p">}</span>
  	<span class="p">}</span>
<span class="p">}</span>

<span class="nb">window</span><span class="p">.</span><span class="nx">p</span> <span class="o">=</span> <span class="nx">p</span><span class="p">;</span>

<span class="kd">function</span> <span class="nx">pn</span><span class="p">(</span><span class="nx">s</span><span class="p">,</span> <span class="nx">vol</span><span class="p">,</span> <span class="nx">note</span><span class="p">,</span> <span class="nx">len</span><span class="p">,</span> <span class="nx">delay</span><span class="p">)</span> <span class="p">{</span>
    <span class="nx">sample_no</span> <span class="o">=</span> <span class="nx">hit_map</span><span class="p">[</span><span class="nx">s</span><span class="p">]</span>
    <span class="nx">note</span> <span class="o">=</span> <span class="nx">note</span> <span class="o">||</span> <span class="s2">&quot;C3&quot;</span>
    <span class="nx">len</span> <span class="o">=</span> <span class="nx">len</span> <span class="o">||</span> <span class="s2">&quot;16n&quot;</span>
    <span class="nx">vol</span> <span class="o">=</span> <span class="nx">vol</span> <span class="o">||</span> <span class="mf">1</span>
    <span class="nx">delay</span> <span class="o">=</span> <span class="nx">delay</span> <span class="o">||</span> <span class="s2">&quot;+0&quot;</span><span class="p">;</span>
    <span class="nx">samples</span><span class="p">[</span><span class="nx">sample_no</span><span class="p">].</span><span class="nx">triggerAttackRelease</span><span class="p">(</span><span class="nx">note</span><span class="p">,</span> <span class="nx">len</span><span class="p">,</span> <span class="nx">delay</span><span class="p">,</span> <span class="nx">vol</span><span class="p">);</span>
    <span class="k">for</span> <span class="p">(</span><span class="kd">const</span> <span class="p">[</span><span class="nx">key</span><span class="p">,</span> <span class="nx">value</span><span class="p">]</span> <span class="k">of</span> <span class="nb">Object</span><span class="p">.</span><span class="nx">entries</span><span class="p">(</span><span class="nx">hit_map</span><span class="p">))</span> <span class="p">{</span>
    	<span class="k">if</span> <span class="p">(</span><span class="nx">value</span> <span class="o">==</span> <span class="nx">s</span><span class="p">)</span> <span class="p">{</span>
	    	<span class="nx">mem</span><span class="p">[</span><span class="nx">key</span> <span class="o">+</span> <span class="s2">&quot;_last&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="nx">count</span> 
	    <span class="p">}</span>
  	<span class="p">}</span>
<span class="p">}</span>

<span class="nb">window</span><span class="p">.</span><span class="nx">pn</span> <span class="o">=</span> <span class="nx">pn</span><span class="p">;</span>



<span class="kd">function</span> <span class="nx">pattern_parse</span><span class="p">(</span><span class="nx">p</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">p</span><span class="p">)</span> <span class="p">{</span>
        <span class="k">return</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
    <span class="p">}</span>
    <span class="nx">p</span> <span class="o">=</span> <span class="nx">p</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/ /g</span><span class="p">,</span> <span class="s2">&quot;&quot;</span><span class="p">);</span>
    <span class="nx">p</span> <span class="o">=</span> <span class="nx">p</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/\[.+?\]/g</span><span class="p">,</span> <span class="s2">&quot;&quot;</span><span class="p">);</span>
    <span class="kd">var</span> <span class="nx">fc</span> <span class="o">=</span> <span class="nx">p</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s1">&#39;&#39;</span><span class="p">)[</span><span class="mf">0</span><span class="p">];</span>
    <span class="k">if</span> <span class="p">(</span><span class="nx">fc</span><span class="o">==</span> <span class="s2">&quot;p&quot;</span><span class="p">)</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">ptype</span> <span class="o">=</span> <span class="s2">&quot;xo&quot;</span><span class="p">;</span>
        <span class="kd">var</span> <span class="nx">l</span> <span class="o">=</span> <span class="p">(</span><span class="nx">p</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mf">1</span><span class="p">);</span>





    <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">ptype</span> <span class="o">=</span> <span class="s2">&quot;hex&quot;</span><span class="p">;</span>
        <span class="kd">var</span> <span class="nx">l</span> <span class="o">=</span> <span class="p">(</span><span class="nx">p</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="o">*</span> <span class="mf">4</span><span class="p">;</span>
    <span class="p">}</span>



    <span class="k">if</span> <span class="p">(</span><span class="nx">ptype</span> <span class="o">==</span> <span class="s2">&quot;xo&quot;</span><span class="p">)</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">fp</span> <span class="o">=</span> <span class="nx">p</span><span class="p">.</span><span class="nx">substr</span><span class="p">(</span><span class="mf">1</span><span class="p">);</span>
        <span class="nx">fp</span> <span class="o">=</span> <span class="nx">fp</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/x/g</span><span class="p">,</span> <span class="s2">&quot;1&quot;</span><span class="p">);</span>
    <span class="p">}</span>

    <span class="k">if</span> <span class="p">(</span><span class="nx">ptype</span> <span class="o">==</span> <span class="s2">&quot;xo&quot;</span><span class="p">)</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">fin</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span><span class="p">;</span>
        <span class="kd">var</span> <span class="nx">done</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
        <span class="kd">var</span> <span class="nx">index</span> <span class="o">=</span> <span class="mf">1</span><span class="p">;</span>
        <span class="k">while</span><span class="p">(</span><span class="mf">1</span><span class="p">)</span> <span class="p">{</span>
            <span class="k">if</span> <span class="p">(</span><span class="nx">done</span><span class="p">)</span> <span class="p">{</span>
                <span class="k">break</span><span class="p">;</span>
            <span class="p">}</span>
            <span class="k">if</span> <span class="p">(</span><span class="nx">index</span> <span class="o">&gt;=</span> <span class="nx">fp</span><span class="p">.</span><span class="nx">length</span><span class="p">)</span> <span class="p">{</span>
                <span class="nx">done</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
                <span class="k">continue</span><span class="p">;</span>
            <span class="p">}</span>
            <span class="kd">var</span> <span class="nx">current_letter</span> <span class="o">=</span> <span class="nx">fp</span><span class="p">[</span><span class="nx">index</span> <span class="o">-</span> <span class="mf">1</span><span class="p">]</span>
            <span class="k">if</span> <span class="p">(</span><span class="nx">current_letter</span><span class="p">)</span> <span class="p">{</span>
            <span class="k">if</span> <span class="p">(</span><span class="nx">current_letter</span> <span class="o">==</span> <span class="s2">&quot;*&quot;</span><span class="p">)</span> <span class="p">{</span>
                <span class="kd">var</span> <span class="nx">next_letter</span> <span class="o">=</span> <span class="nx">get_char</span><span class="p">(</span><span class="nx">fp</span><span class="p">,</span><span class="nx">index</span><span class="p">);</span>
                <span class="k">if</span> <span class="p">(</span><span class="nx">next_letter</span> <span class="o">==</span> <span class="s2">&quot;`&quot;</span><span class="p">)</span> <span class="p">{</span>
                    <span class="kd">var</span> <span class="nx">next_next_letter</span> <span class="o">=</span> <span class="nx">get_char</span><span class="p">(</span><span class="nx">fp</span><span class="p">,</span><span class="nx">index</span> <span class="o">+</span> <span class="mf">1</span><span class="p">);</span>
                    <span class="nx">fin</span> <span class="o">+=</span>  <span class="nx">lettertodec</span><span class="p">(</span><span class="nx">romantogypsy</span><span class="p">(</span><span class="nx">next_letter</span> <span class="o">+</span> <span class="nx">next_next_letter</span><span class="p">));</span>
                    <span class="nx">index</span> <span class="o">+=</span> <span class="mf">3</span><span class="p">;</span>
                <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                    <span class="nx">fin</span> <span class="o">+=</span> <span class="nx">lettertodec</span><span class="p">(</span><span class="nx">next_letter</span><span class="p">);</span>
                    <span class="nx">index</span> <span class="o">+=</span> <span class="mf">2</span><span class="p">;</span>
                <span class="p">}</span>
            <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                <span class="nx">fin</span> <span class="o">+=</span> <span class="nx">current_letter</span><span class="p">;</span>
                <span class="nx">index</span> <span class="o">+=</span> <span class="mf">1</span><span class="p">;</span>
            <span class="p">}</span>
            <span class="p">}</span>
        <span class="p">}</span>
        <span class="k">return</span> <span class="nx">fin</span><span class="p">;</span>
    <span class="p">}</span>
    <span class="k">else</span> <span class="p">{</span>
        <span class="kd">var</span> <span class="nx">fp</span> <span class="o">=</span> <span class="nx">hex2bin</span><span class="p">(</span><span class="nx">p</span><span class="p">);</span>
    <span class="p">}</span>

    <span class="k">return</span> <span class="nx">fp</span><span class="p">;</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">download</span><span class="p">(</span><span class="nx">data</span><span class="p">,</span> <span class="nx">filename</span><span class="p">,</span> <span class="nx">type</span><span class="p">)</span> <span class="p">{</span>
................................................................................
    <span class="k">return</span> <span class="nx">n</span><span class="p">;</span>
<span class="p">}</span>

<span class="nx">$</span><span class="p">{</span><span class="nx">knob_code</span><span class="p">}</span>
</pre></div>
</div>
</div>
<div class="section" id="id1">
<h2>303<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h2>
<p>Taken from <a class="reference external" href="https://www.vitling.xyz/toys/acid-banger/">endless acid banger</a>.</p>
<div class="highlight-js notranslate"><div class="highlight"><pre><span></span><span class="kd">function</span> <span class="nx">ThreeOhUnit</span><span class="p">(</span><span class="nx">audio</span><span class="p">,</span> <span class="nx">waveform</span><span class="p">,</span> <span class="nx">defaults</span> <span class="o">=</span> <span class="kc">null</span><span class="p">,</span> <span class="nx">output</span><span class="p">,</span> <span class="nx">patternLength</span> <span class="o">=</span> <span class="mf">16</span><span class="p">)</span> <span class="p">{</span>
    <span class="kd">const</span> <span class="nx">synth</span> <span class="o">=</span> <span class="nx">audio</span><span class="p">.</span><span class="nx">ThreeOh</span><span class="p">(</span><span class="nx">waveform</span><span class="p">,</span> <span class="nx">defaults</span> <span class="o">=</span> <span class="nx">defaults</span><span class="p">,</span> <span class="nx">output</span><span class="p">);</span>
    <span class="kd">function</span> <span class="nx">step</span><span class="p">(</span><span class="nx">note</span><span class="p">)</span> <span class="p">{</span>
        <span class="nx">note</span> <span class="o">=</span> <span class="nx">note</span> <span class="o">||</span> <span class="p">{</span>
            <span class="nx">type</span><span class="o">:</span> <span class="s2">&quot;on&quot;</span><span class="p">,</span>
            <span class="nx">accent</span><span class="o">:</span> <span class="kc">false</span><span class="p">,</span>
            <span class="nx">glide</span><span class="o">:</span> <span class="kc">true</span><span class="p">,</span>
            <span class="nx">note</span><span class="o">:</span> <span class="s2">&quot;A3&quot;</span><span class="p">,</span>
        <span class="p">};</span>
        <span class="k">if</span> <span class="p">(</span><span class="nx">note</span> <span class="o">==</span> <span class="s2">&quot;off&quot;</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">synth</span><span class="p">.</span><span class="nx">noteOff</span><span class="p">();</span>
        <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
            <span class="nx">synth</span><span class="p">.</span><span class="nx">noteOn</span><span class="p">(</span><span class="nx">note</span><span class="p">.</span><span class="nx">note</span><span class="p">,</span> <span class="nx">note</span><span class="p">.</span><span class="nx">accent</span><span class="p">,</span> <span class="nx">note</span><span class="p">.</span><span class="nx">glide</span><span class="p">);</span>
        <span class="p">}</span>
    <span class="p">}</span>
    <span class="k">return</span> <span class="p">{</span>
        <span class="nx">step</span><span class="p">,</span>
        <span class="nx">params</span><span class="o">:</span> <span class="nx">synth</span><span class="p">.</span><span class="nx">params</span>
    <span class="p">};</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">textNoteToNumber</span><span class="p">(</span><span class="nx">note</span><span class="p">)</span> <span class="p">{</span>
    <span class="kd">const</span> <span class="nx">lookupTable</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Map</span><span class="p">();</span>
    <span class="kd">const</span> <span class="nx">revLook</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">Map</span><span class="p">();</span>
    <span class="p">(()</span> <span class="p">=&gt;</span> <span class="p">{</span>
        <span class="kd">function</span> <span class="nx">add</span><span class="p">(</span><span class="nx">note</span><span class="p">,</span> <span class="nx">n</span><span class="p">)</span> <span class="p">{</span>
            <span class="nx">lookupTable</span><span class="p">.</span><span class="nx">set</span><span class="p">(</span><span class="nx">note</span><span class="p">,</span> <span class="nx">n</span><span class="p">);</span>
            <span class="nx">revLook</span><span class="p">.</span><span class="nx">set</span><span class="p">(</span><span class="nx">n</span><span class="p">,</span> <span class="nx">note</span><span class="p">);</span>
        <span class="p">}</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;A&#39;</span><span class="p">,</span> <span class="mf">9</span><span class="p">);</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;A#&#39;</span><span class="p">,</span> <span class="mf">10</span><span class="p">);</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;B&#39;</span><span class="p">,</span> <span class="mf">11</span><span class="p">);</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;C&#39;</span><span class="p">,</span> <span class="mf">0</span><span class="p">);</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;C#&#39;</span><span class="p">,</span> <span class="mf">1</span><span class="p">);</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;D&#39;</span><span class="p">,</span> <span class="mf">2</span><span class="p">);</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;D#&#39;</span><span class="p">,</span> <span class="mf">3</span><span class="p">);</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;E&#39;</span><span class="p">,</span> <span class="mf">4</span><span class="p">);</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;F&#39;</span><span class="p">,</span> <span class="mf">5</span><span class="p">);</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;F#&#39;</span><span class="p">,</span> <span class="mf">6</span><span class="p">);</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;G&#39;</span><span class="p">,</span> <span class="mf">7</span><span class="p">);</span>
        <span class="nx">add</span><span class="p">(</span><span class="s1">&#39;G#&#39;</span><span class="p">,</span> <span class="mf">8</span><span class="p">);</span>
    <span class="p">})();</span>

    <span class="kd">const</span> <span class="nx">o</span> <span class="o">=</span> <span class="nx">note</span><span class="p">.</span><span class="nx">substring</span><span class="p">(</span><span class="nx">note</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mf">1</span><span class="p">);</span>
    <span class="kd">const</span> <span class="nx">n</span> <span class="o">=</span> <span class="nx">note</span><span class="p">.</span><span class="nx">substring</span><span class="p">(</span><span class="mf">0</span><span class="p">,</span> <span class="nx">note</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mf">1</span><span class="p">);</span>
    <span class="c1">// @ts-ignore</span>
    <span class="k">return</span> <span class="nb">parseInt</span><span class="p">(</span><span class="nx">o</span><span class="p">)</span> <span class="o">*</span> <span class="mf">12</span> <span class="o">+</span> <span class="nx">lookupTable</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="nx">n</span><span class="p">)</span> <span class="o">+</span> <span class="mf">12</span><span class="p">;</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">midiNoteToFrequency</span><span class="p">(</span><span class="nx">noteNumber</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">return</span> <span class="mf">440</span> <span class="o">*</span> <span class="nb">Math</span><span class="p">.</span><span class="nx">pow</span><span class="p">(</span><span class="mf">2</span><span class="p">,</span> <span class="p">(</span><span class="nx">noteNumber</span> <span class="o">-</span> <span class="mf">69</span><span class="p">)</span> <span class="o">/</span> <span class="mf">12</span><span class="p">);</span>
<span class="p">}</span>

<span class="kd">function</span> <span class="nx">Audio</span><span class="p">(</span><span class="nx">au</span> <span class="o">=</span> <span class="k">new</span> <span class="p">(</span><span class="nb">window</span><span class="p">.</span><span class="nx">AudioContext</span> <span class="o">||</span> <span class="nb">window</span><span class="p">.</span><span class="nx">webkitAudioContext</span><span class="p">)())</span> <span class="p">{</span>

    <span class="kd">function</span> <span class="nx">masterChannel</span><span class="p">()</span> <span class="p">{</span>
        <span class="kd">const</span> <span class="nx">gain</span> <span class="o">=</span> <span class="nx">au</span><span class="p">.</span><span class="nx">createGain</span><span class="p">();</span>
        <span class="nx">gain</span><span class="p">.</span><span class="nx">gain</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="mf">0.5</span><span class="p">;</span>
        <span class="kd">const</span> <span class="nx">limiter</span> <span class="o">=</span> <span class="nx">au</span><span class="p">.</span><span class="nx">createDynamicsCompressor</span><span class="p">();</span>
        <span class="nx">limiter</span><span class="p">.</span><span class="nx">attack</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="mf">0.005</span><span class="p">;</span>
        <span class="nx">limiter</span><span class="p">.</span><span class="nx">release</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="mf">0.1</span><span class="p">;</span>
        <span class="nx">limiter</span><span class="p">.</span><span class="nx">ratio</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="mf">15.0</span><span class="p">;</span>
        <span class="nx">limiter</span><span class="p">.</span><span class="nx">knee</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span>
        <span class="nx">limiter</span><span class="p">.</span><span class="nx">threshold</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="o">-</span><span class="mf">0.5</span><span class="p">;</span>
        <span class="nx">gain</span><span class="p">.</span><span class="nx">connect</span><span class="p">(</span><span class="nx">limiter</span><span class="p">);</span>
        <span class="nx">limiter</span><span class="p">.</span><span class="nx">connect</span><span class="p">(</span><span class="nx">au</span><span class="p">.</span><span class="nx">destination</span><span class="p">);</span>
        <span class="k">return</span> <span class="p">{</span>
            <span class="k">in</span><span class="o">:</span> <span class="nx">gain</span>
        <span class="p">};</span>
    <span class="p">}</span>

    <span class="kd">const</span> <span class="nx">master</span> <span class="o">=</span> <span class="nx">masterChannel</span><span class="p">();</span>

    <span class="kd">function</span> <span class="nx">ThreeOh</span><span class="p">(</span><span class="nx">type</span> <span class="o">=</span> <span class="s2">&quot;sawtooth&quot;</span><span class="p">,</span> <span class="nx">defaults</span><span class="p">,</span> <span class="nx">out</span> <span class="o">=</span> <span class="nx">master</span><span class="p">.</span><span class="k">in</span><span class="p">)</span> <span class="p">{</span>
        <span class="nx">defaults</span> <span class="o">=</span> <span class="nx">defaults</span> <span class="o">||</span> <span class="p">{</span>
            <span class="s2">&quot;cutoff&quot;</span><span class="o">:</span> <span class="mf">400</span><span class="p">,</span>
            <span class="s2">&quot;resonance&quot;</span><span class="o">:</span> <span class="mf">15</span><span class="p">,</span>
            <span class="s2">&quot;envMod&quot;</span><span class="o">:</span> <span class="mf">4000</span><span class="p">,</span>
            <span class="s2">&quot;decay&quot;</span><span class="o">:</span> <span class="mf">0.5</span>
        <span class="p">}</span>
        <span class="kd">const</span> <span class="nx">filter</span> <span class="o">=</span> <span class="nx">au</span><span class="p">.</span><span class="nx">createBiquadFilter</span><span class="p">();</span>
        <span class="nx">filter</span><span class="p">.</span><span class="nx">type</span> <span class="o">=</span> <span class="s2">&quot;lowpass&quot;</span><span class="p">;</span>
        <span class="nx">filter</span><span class="p">.</span><span class="nx">Q</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="nx">defaults</span><span class="p">.</span><span class="nx">resonance</span><span class="p">;</span>
        <span class="nx">filter</span><span class="p">.</span><span class="nx">frequency</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="nx">defaults</span><span class="p">.</span><span class="nx">cutoff</span><span class="p">;</span>
        <span class="kd">const</span> <span class="nx">pResonance</span> <span class="o">=</span> <span class="nx">filter</span><span class="p">.</span><span class="nx">Q</span><span class="p">;</span>
        <span class="kd">const</span> <span class="nx">pCutoff</span> <span class="o">=</span> <span class="nx">filter</span><span class="p">.</span><span class="nx">frequency</span><span class="p">;</span>

        <span class="kd">const</span> <span class="nx">decayTimeNode</span> <span class="o">=</span> <span class="nx">au</span><span class="p">.</span><span class="nx">createConstantSource</span><span class="p">();</span>
        <span class="nx">decayTimeNode</span><span class="p">.</span><span class="nx">offset</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="nx">defaults</span><span class="p">.</span><span class="nx">decay</span><span class="p">;</span>
        <span class="nx">decayTimeNode</span><span class="p">.</span><span class="nx">start</span><span class="p">();</span>
        <span class="kd">const</span> <span class="nx">pDecay</span> <span class="o">=</span> <span class="nx">decayTimeNode</span><span class="p">.</span><span class="nx">offset</span><span class="p">;</span>

        <span class="kd">const</span> <span class="nx">env</span> <span class="o">=</span> <span class="nx">au</span><span class="p">.</span><span class="nx">createConstantSource</span><span class="p">();</span>
        <span class="nx">env</span><span class="p">.</span><span class="nx">start</span><span class="p">();</span>
        <span class="nx">env</span><span class="p">.</span><span class="nx">offset</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span>

        <span class="kd">const</span> <span class="nx">scaleNode</span> <span class="o">=</span> <span class="nx">au</span><span class="p">.</span><span class="nx">createGain</span><span class="p">();</span>
        <span class="nx">scaleNode</span><span class="p">.</span><span class="nx">gain</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="nx">defaults</span><span class="p">.</span><span class="nx">envMod</span><span class="p">;</span>
        <span class="kd">const</span> <span class="nx">pEnvMod</span> <span class="o">=</span> <span class="nx">scaleNode</span><span class="p">.</span><span class="nx">gain</span><span class="p">;</span>
        <span class="nx">env</span><span class="p">.</span><span class="nx">connect</span><span class="p">(</span><span class="nx">scaleNode</span><span class="p">);</span>
        <span class="nx">scaleNode</span><span class="p">.</span><span class="nx">connect</span><span class="p">(</span><span class="nx">filter</span><span class="p">.</span><span class="nx">detune</span><span class="p">);</span>
        <span class="kd">const</span> <span class="nx">osc</span> <span class="o">=</span> <span class="nx">au</span><span class="p">.</span><span class="nx">createOscillator</span><span class="p">();</span>
        <span class="nx">osc</span><span class="p">.</span><span class="nx">type</span> <span class="o">=</span> <span class="nx">type</span><span class="p">;</span>
        <span class="nx">osc</span><span class="p">.</span><span class="nx">frequency</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="mf">440</span><span class="p">;</span>
        <span class="nx">osc</span><span class="p">.</span><span class="nx">start</span><span class="p">();</span>
        <span class="kd">const</span> <span class="nx">vca</span> <span class="o">=</span> <span class="nx">au</span><span class="p">.</span><span class="nx">createGain</span><span class="p">();</span>
        <span class="nx">vca</span><span class="p">.</span><span class="nx">gain</span><span class="p">.</span><span class="nx">value</span> <span class="o">=</span> <span class="mf">0.0</span><span class="p">;</span>
        <span class="nx">osc</span><span class="p">.</span><span class="nx">connect</span><span class="p">(</span><span class="nx">vca</span><span class="p">);</span>
        <span class="nx">vca</span><span class="p">.</span><span class="nx">connect</span><span class="p">(</span><span class="nx">filter</span><span class="p">);</span>
        <span class="nx">filter</span><span class="p">.</span><span class="nx">connect</span><span class="p">(</span><span class="nx">out</span><span class="p">);</span>
        <span class="kd">function</span> <span class="nx">noteOn</span><span class="p">(</span><span class="nx">note</span><span class="p">,</span> <span class="nx">accent</span> <span class="o">=</span> <span class="kc">false</span><span class="p">,</span> <span class="nx">glide</span> <span class="o">=</span> <span class="kc">false</span><span class="p">)</span> <span class="p">{</span>
            <span class="k">if</span> <span class="p">(</span><span class="nx">accent</span><span class="p">)</span> <span class="p">{</span>
                <span class="nx">env</span><span class="p">.</span><span class="nx">offset</span><span class="p">.</span><span class="nx">cancelScheduledValues</span><span class="p">(</span><span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span><span class="p">);</span>
                <span class="c1">//env.offset.setTargetAtTime(1.0,au.currentTime, 0.001);</span>
                <span class="nx">env</span><span class="p">.</span><span class="nx">offset</span><span class="p">.</span><span class="nx">setValueAtTime</span><span class="p">(</span><span class="mf">1.0</span><span class="p">,</span> <span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span><span class="p">);</span>
                <span class="nx">env</span><span class="p">.</span><span class="nx">offset</span><span class="p">.</span><span class="nx">exponentialRampToValueAtTime</span><span class="p">(</span><span class="mf">0.01</span><span class="p">,</span> <span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span> <span class="o">+</span> <span class="nx">pDecay</span><span class="p">.</span><span class="nx">value</span> <span class="o">/</span> <span class="mf">3</span><span class="p">);</span>
            <span class="p">}</span>
            <span class="k">else</span> <span class="p">{</span>
                <span class="nx">env</span><span class="p">.</span><span class="nx">offset</span><span class="p">.</span><span class="nx">cancelScheduledValues</span><span class="p">(</span><span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span><span class="p">);</span>
                <span class="c1">//env.offset.setTargetAtTime(1.0,au.currentTime, 0.001);</span>
                <span class="nx">env</span><span class="p">.</span><span class="nx">offset</span><span class="p">.</span><span class="nx">setValueAtTime</span><span class="p">(</span><span class="mf">1.0</span><span class="p">,</span> <span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span><span class="p">);</span>
                <span class="nx">env</span><span class="p">.</span><span class="nx">offset</span><span class="p">.</span><span class="nx">exponentialRampToValueAtTime</span><span class="p">(</span><span class="mf">0.01</span><span class="p">,</span> <span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span> <span class="o">+</span> <span class="nx">pDecay</span><span class="p">.</span><span class="nx">value</span><span class="p">);</span>
            <span class="p">}</span>
            <span class="nx">osc</span><span class="p">.</span><span class="nx">frequency</span><span class="p">.</span><span class="nx">cancelScheduledValues</span><span class="p">(</span><span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span><span class="p">);</span>
            <span class="k">if</span> <span class="p">(</span><span class="k">typeof</span> <span class="nx">note</span> <span class="o">==</span> <span class="s2">&quot;number&quot;</span><span class="p">)</span> <span class="p">{</span>
                <span class="nx">osc</span><span class="p">.</span><span class="nx">frequency</span><span class="p">.</span><span class="nx">setTargetAtTime</span><span class="p">(</span><span class="nx">note</span><span class="p">,</span> <span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span><span class="p">,</span> <span class="nx">glide</span> <span class="o">?</span> <span class="mf">0.02</span> <span class="o">:</span> <span class="mf">0.002</span><span class="p">);</span>
            <span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
                <span class="nx">osc</span><span class="p">.</span><span class="nx">frequency</span><span class="p">.</span><span class="nx">setTargetAtTime</span><span class="p">(</span><span class="nx">midiNoteToFrequency</span><span class="p">(</span><span class="nx">textNoteToNumber</span><span class="p">(</span><span class="nx">note</span><span class="p">)),</span> <span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span><span class="p">,</span> <span class="nx">glide</span> <span class="o">?</span> <span class="mf">0.02</span> <span class="o">:</span> <span class="mf">0.002</span><span class="p">);</span>
            <span class="p">}</span>
            <span class="nx">vca</span><span class="p">.</span><span class="nx">gain</span><span class="p">.</span><span class="nx">cancelScheduledValues</span><span class="p">(</span><span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span><span class="p">);</span>
            <span class="nx">vca</span><span class="p">.</span><span class="nx">gain</span><span class="p">.</span><span class="nx">setValueAtTime</span><span class="p">(</span><span class="nx">accent</span> <span class="o">?</span> <span class="mf">0.2</span> <span class="o">:</span> <span class="mf">0.15</span><span class="p">,</span> <span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span><span class="p">);</span>
            <span class="c1">//vca.gain.setTargetAtTime(accent ? 0.5 : 0.3,au.currentTime, 0.001);</span>
            <span class="c1">//vca.gain.setValueAtTime(0.2, au.currentTime);</span>
            <span class="nx">vca</span><span class="p">.</span><span class="nx">gain</span><span class="p">.</span><span class="nx">linearRampToValueAtTime</span><span class="p">(</span><span class="mf">0.1</span><span class="p">,</span> <span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span> <span class="o">+</span> <span class="mf">0.2</span><span class="p">);</span>
        <span class="p">}</span>
        <span class="kd">function</span> <span class="nx">noteOff</span><span class="p">()</span> <span class="p">{</span>
            <span class="nx">vca</span><span class="p">.</span><span class="nx">gain</span><span class="p">.</span><span class="nx">cancelScheduledValues</span><span class="p">(</span><span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span><span class="p">);</span>
            <span class="nx">vca</span><span class="p">.</span><span class="nx">gain</span><span class="p">.</span><span class="nx">setTargetAtTime</span><span class="p">(</span><span class="mf">0.0</span><span class="p">,</span> <span class="nx">au</span><span class="p">.</span><span class="nx">currentTime</span><span class="p">,</span> <span class="mf">0.01</span><span class="p">);</span>
        <span class="p">}</span>
        <span class="k">return</span> <span class="p">{</span>
            <span class="nx">noteOn</span><span class="p">,</span>
            <span class="nx">noteOff</span><span class="p">,</span>
            <span class="nx">params</span><span class="o">:</span> <span class="p">{</span>
                <span class="nx">cutoff</span><span class="o">:</span> <span class="nx">pCutoff</span><span class="p">,</span>
                <span class="nx">resonance</span><span class="o">:</span> <span class="nx">pResonance</span><span class="p">,</span>
                <span class="nx">envMod</span><span class="o">:</span> <span class="nx">pEnvMod</span><span class="p">,</span>
                <span class="nx">decay</span><span class="o">:</span> <span class="nx">pDecay</span>
            <span class="p">}</span>
        <span class="p">};</span>
    <span class="p">}</span>
    <span class="k">return</span> <span class="p">{</span>
        <span class="nx">ThreeOh</span><span class="p">,</span>
        <span class="nx">master</span><span class="p">,</span>
        <span class="nx">context</span><span class="o">:</span> <span class="nx">au</span>
    <span class="p">};</span>
<span class="p">}</span>

<span class="nb">window</span><span class="p">.</span><span class="nx">Audio</span> <span class="o">=</span> <span class="nx">Audio</span><span class="p">;</span>
<span class="nb">window</span><span class="p">.</span><span class="nx">ThreeOhUnit</span> <span class="o">=</span> <span class="nx">ThreeOhUnit</span><span class="p">;</span>
</pre></div>
</div>
</div>
<div class="section" id="autocommit">
<h2>Autocommit<a class="headerlink" href="#autocommit" title="Permalink to this headline">¶</a></h2>
<p><a class="reference external" href="https://xiaoouwang.medium.com/tutorial-advanced-use-of-watchdog-in-python-excluding-files-a-git-auto-commit-example-part-7024913ad5a8">https://xiaoouwang.medium.com/tutorial-advanced-use-of-watchdog-in-python-excluding-files-a-git-auto-commit-example-part-7024913ad5a8</a><br />
<a class="reference external" href="https://github.com/gitwatch/gitwatch">https://github.com/gitwatch/gitwatch</a></p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span>
<span class="kn">import</span> <span class="nn">time</span>
<span class="kn">from</span> <span class="nn">watchdog.observers</span> <span class="kn">import</span> <span class="n">Observer</span>
<span class="kn">from</span> <span class="nn">watchdog.events</span> <span class="kn">import</span> <span class="n">RegexMatchingEventHandler</span>
<span class="kn">import</span> <span class="nn">os</span>

<span class="k">def</span> <span class="nf">on_created</span><span class="p">(</span><span class="n">event</span><span class="p">):</span>
    <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">event</span><span class="o">.</span><span class="n">src_path</span><span class="si">}</span><span class="s2"> has been created&quot;</span><span class="p">)</span>
    <span class="n">os</span><span class="o">.</span><span class="n">system</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;git add </span><span class="si">{</span><span class="n">event</span><span class="o">.</span><span class="n">src_path</span><span class="si">}</span><span class="s2">&quot;</span><span class="p">)</span>
    <span class="n">os</span><span class="o">.</span><span class="n">system</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;git commit -m &#39;</span><span class="si">{</span><span class="n">event</span><span class="o">.</span><span class="n">src_path</span><span class="si">}</span><span class="s2"> created&#39;&quot;</span><span class="p">)</span>

<span class="k">def</span> <span class="nf">on_deleted</span><span class="p">(</span><span class="n">event</span><span class="p">):</span>
    <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Delete </span><span class="si">{</span><span class="n">event</span><span class="o">.</span><span class="n">src_path</span><span class="si">}</span><span class="s2">!&quot;</span><span class="p">)</span>
    <span class="n">os</span><span class="o">.</span><span class="n">system</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;git commit -m &#39;</span><span class="si">{</span><span class="n">event</span><span class="o">.</span><span class="n">src_path</span><span class="si">}</span><span class="s2"> deleted&#39;&quot;</span><span class="p">)</span>


<span class="k">def</span> <span class="nf">on_modified</span><span class="p">(</span><span class="n">event</span><span class="p">):</span>
    <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;</span><span class="si">{</span><span class="n">event</span><span class="o">.</span><span class="n">src_path</span><span class="si">}</span><span class="s2"> has been modified&quot;</span><span class="p">)</span>
    <span class="n">os</span><span class="o">.</span><span class="n">system</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;git add .&quot;</span><span class="p">)</span>
    <span class="n">os</span><span class="o">.</span><span class="n">system</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;git commit -m &#39;</span><span class="si">{</span><span class="n">event</span><span class="o">.</span><span class="n">src_path</span><span class="si">}</span><span class="s2"> modified&#39;&quot;</span><span class="p">)</span>

<span class="k">if</span> <span class="vm">__name__</span> <span class="o">==</span> <span class="s2">&quot;__main__&quot;</span><span class="p">:</span>
    <span class="c1"># create the event handler</span>
    <span class="n">ignore_patterns</span> <span class="o">=</span> <span class="p">[</span><span class="sa">r</span><span class="s2">&quot;^.+/\.git.*&quot;</span><span class="p">]</span>
    <span class="n">ignore_directories</span> <span class="o">=</span> <span class="kc">False</span>
    <span class="n">case_sensitive</span> <span class="o">=</span> <span class="kc">True</span>
    <span class="n">my_event_handler</span> <span class="o">=</span> <span class="n">RegexMatchingEventHandler</span><span class="p">(</span><span class="n">ignore_regexes</span><span class="o">=</span><span class="n">ignore_patterns</span><span class="p">,</span> <span class="n">ignore_directories</span><span class="o">=</span><span class="n">ignore_directories</span><span class="p">,</span> <span class="n">case_sensitive</span><span class="o">=</span><span class="n">case_sensitive</span><span class="p">)</span>

    <span class="n">my_event_handler</span><span class="o">.</span><span class="n">on_created</span> <span class="o">=</span> <span class="n">on_created</span>
    <span class="n">my_event_handler</span><span class="o">.</span><span class="n">on_deleted</span> <span class="o">=</span> <span class="n">on_deleted</span>
    <span class="n">my_event_handler</span><span class="o">.</span><span class="n">on_modified</span> <span class="o">=</span> <span class="n">on_modified</span>

    <span class="c1"># create an observer</span>
    <span class="n">path</span> <span class="o">=</span> <span class="s2">&quot;.&quot;</span>
    <span class="n">go_recursively</span> <span class="o">=</span> <span class="kc">True</span>
    <span class="n">my_observer</span> <span class="o">=</span> <span class="n">Observer</span><span class="p">()</span>
    <span class="n">my_observer</span><span class="o">.</span><span class="n">schedule</span><span class="p">(</span><span class="n">my_event_handler</span><span class="p">,</span> <span class="n">path</span><span class="p">,</span> <span class="n">recursive</span><span class="o">=</span><span class="n">go_recursively</span><span class="p">)</span>

    <span class="n">my_observer</span><span class="o">.</span><span class="n">start</span><span class="p">()</span>
    <span class="k">try</span><span class="p">:</span>
        <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
            <span class="n">time</span><span class="o">.</span><span class="n">sleep</span><span class="p">(</span><span class="mi">5</span><span class="p">)</span>
    <span class="k">except</span><span class="p">:</span>
        <span class="n">my_observer</span><span class="o">.</span><span class="n">stop</span><span class="p">()</span>
        <span class="nb">print</span><span class="p">(</span><span class="s2">&quot;Observer Stopped&quot;</span><span class="p">)</span>
    <span class="n">my_observer</span><span class="o">.</span><span class="n">join</span><span class="p">()</span>
</pre></div>
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  <div class="section" id="midi-and-daw-terms">
<h1>MIDI and DAW Terms<a class="headerlink" href="#midi-and-daw-terms" title="Permalink to this headline">¶</a></h1>
<div class="section" id="midi">
<h2>MIDI<a class="headerlink" href="#midi" title="Permalink to this headline">¶</a></h2>
<p><a href="https://en.wikipedia.org/wiki/MIDI">MIDI</a> changed music.</p>
<p>Consider what a classically trained Musician needs to do, to make his
music heard.</p>
<p>He needs to,</p>
<ol class="simple">
<li><p>Write it</p></li>
<li><p>Get a bunch of musicians</p></li>
<li><p>Practice</p></li>
<li><p>Play</p></li>
<li><p>goto 1</p></li>
<li><p>Record the Final Cut in a Studio</p></li>
</ol>
<p>With MIDI,</p>
<ol class="simple">
<li><p>Write it. Save it, with a Software</p></li>
<li><p>Get the electronic instruments to play it for him
-or-
Get a computer Software to play it for him</p></li>
<li><p>Tweak</p></li>
<li><p>Record the Final Cut in Software or a Studio</p></li>
</ol>
<p>MIDI is - Musical Instrument Digital Interface.</p>
<p>It abstracts <a href="https://en.wikipedia.org/wiki/Musical_notation">Music Notation</a> into bytes.
Since its bytes, you can replay it with software.</p>
<p>MIDI made production,</p>
<ul class="simple">
<li><p>Dirt Cheap</p></li>
<li><p>Made Producers more efficient</p></li>
</ul>
<p>How about Audio Quality ?</p>
<ul class="simple">
<li><p>A Classical Ensemble still has its place. Panning is unique there.</p></li>
<li><p>But MIDI + Electronic Instrument increased the Range. It helped form whole new genres in Music like EDM, IDM, SynthPunk …</p></li>
</ul>
<p>Limitations ?</p>
<ul class="simple">
<li><p>MIDI is limited to 16 instruments.</p></li>
<li><p>Integers.</p></li>
<li><p>16 is a big number.</p></li>
<li><p><a href="https://en.wikipedia.org/wiki/Open_Sound_Control">OSC</a> overcomes these.</p></li>
</ul>
</div>
</div>
<div class="section" id="usage">
<h1>Usage<a class="headerlink" href="#usage" title="Permalink to this headline">¶</a></h1>
<p>To use MIDI you need,</p>
<ol>
<li><p>A Sequencer</p>
<p>This generates MIDI messages like,</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Command</span> <span class="n">param1</span> <span class="n">param2</span> <span class="n">param3</span>
<span class="n">Command</span> <span class="n">param1</span> <span class="n">param2</span>
<span class="n">Command</span> <span class="n">param1</span> <span class="n">param2</span> <span class="n">param3</span>
<span class="n">Command</span> <span class="n">param1</span> <span class="n">param2</span>
<span class="o">...</span>
</pre></div>
</div>
<p>Important messages are,</p>
<ol class="simple">
<li><p>Note On =&gt; Channel [1-16]**, Pitch[0-127], Volume[0-127]</p></li>
<li><p>Note Off                 “</p></li>
<li><p>Controller =&gt; No [0-127], Value[0-127]</p></li>
</ol>
<p>** Channel 10 is reserved for Drums.</p>
<p>Note On and Note Off are typically sent by keys, buttons.
Controller Messages are typically sent by knobs and pedals.</p>
</li>
<li><p>A Synthesizer</p>
<p>This accepts MIDI data.
It Maps channels to DSP.
It Maps knobs** to effects like distortion and reverb.</p>
<p>** The positions of the knob are called patches.</p>
</li>
<li><p>A Sampler.</p>
<p>This accepts MIDI data.
It Maps channels to sound recordings.
It Maps knobs to effects like distortion and reverb.</p>
</li>
</ol>
<p>If you buy Music Hardware you have both 1 and 2.  The sequencing capabilities are limited in a synth,  so you can’t Edit MIDI data in the instrument.</p>
<p>Some notes,</p>
<ol class="simple">
<li><p>You can buy hardware and get a Synthesizer + a limited Sequencer.</p></li>
<li><p>You can buy A Sequencer and use a Computer as a Synthesizer</p></li>
</ol>
<p>or</p>
<ol class="simple">
<li><p>Use a Software Sequencer to Program your Synthesizer</p></li>
</ol>
<p>or</p>
<ol class="simple">
<li><p>Forget Hardware and go complete nuts with Software</p></li>
</ol>
<iframe width="480" height="360" src="//www.youtube.com/embed/VouHPeO4Gls" frameborder="0" allowfullscreen></iframe>
<p><a href="http://vimeo.com/93923609">Also, Robots love it.</a><p>
<div class="section" id="terms">
<h2>Terms<a class="headerlink" href="#terms" title="Permalink to this headline">¶</a></h2>
<p>Instruments used in Electronic Music</p>
<ul class="simple">
<li><p>Tr 909</p></li>
<li><p>Tr 303</p></li>
<li><p>Tr 808</p></li>
</ul>
<p>Instruments commonly used in Disco, Synth Wave and Funk</p>
<ul class="simple">
<li><p>Samplers</p></li>
<li><p>FM Synthesiser</p></li>
</ul>
<p>Rock Pedals used in</p>
<ul class="simple">
<li><p>Reverb (sludge)</p></li>
<li><p>Delay (slow rock)</p></li>
<li><p>Distortion (metal)</p></li>
</ul>
<p>DAW Terms</p>
<ul class="simple">
<li><p>track</p></li>
<li><p>sequencer</p></li>
<li><p>piano roll</p></li>
<li><p>OSC</p></li>
<li><p>sampler</p></li>
<li><p>soundfont</p></li>
<li><p>synthesizer (DSP, FM, AM, AS, SS, PM)</p></li>
<li><p>effect</p></li>
<li><p>mixer, LFO</p></li>
<li><p>automation, equalizer</p></li>
<li><p>filter</p></li>
<li><p>arpegiator</p></li>
</ul>
</div>
</div>


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  <div class="section" id="what-exactly-is-tweaking">
<h1>What exactly is Tweaking ?<a class="headerlink" href="#what-exactly-is-tweaking" title="Permalink to this headline">¶</a></h1>
<p>For that you need some context.</p>
<p>Historically speaking, music was an accompaniment for theatrical plays. A typical song has a Theme and develops Exposition / Conflict / Resolution through time. Its not a coincidence that the sonata and the dramatic structure share the same form. In a typical play you have scenes, transitions, sets in the background and characters in the foreground. While the play progresses and characters clash you get music alongside each of these elements. Every song has a title that guides the listener to what the song is about. Typical Scenes include intro, bridge, buildup, section, breakdown and climax. What is the intro about ?  What is the bridge about ?  What is the verse about ?  What is the chorus about ?  What are the sections about ? The essential question driving any story is how to be ? In a drama this question is answered with doubts, emotion, circularity, warnings from the chorus, exposition, rises, falls, reprisals, conclusions, contradictions, denouncements, confrontations, mistakes, reversals, recognition, revelation resolution, statements and breakdowns.</p>

<p>Modern music has evolved to be standalone but it retains elements of theatrical story telling. You can divide a song into verses and sections. In the documentation, we will use the terms from plays. Within each musical scene you typically have,</p>
<ul class="simple">
<li><p>Background: You use layers of rhythm and groove to set the mood.</p></li>
<li><p>Foreground: Lead (Soliloquy), Counterpoint (Character Conflict), Call Response(Dialogues), Motif, Ornaments (Exposition)</p></li>
</ul>
<p>In Electronic Music, the foreground is mainly developed using Layers(polyrhythms) and Tweaking. Tweaking and Layers effectively function for the purposes of Exposition and Conflict. Chorus, Fade, Drop are used for transitions typically in electronic music. Tweaking is also called knob-twisting by hardware users. To compare the foreground in others,</p>
<p>Classical Music: Counterpoint and Harmony<br />
................................................................................


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  <div class="section" id="what-exactly-is-tweaking">
<h1>What exactly is Tweaking ?<a class="headerlink" href="#what-exactly-is-tweaking" title="Permalink to this headline">¶</a></h1>
<p>For that you need some context.</p>
<p>Historically speaking, music was an accompaniment for theatrical plays. A typical song has a Theme and develops Exposition / Conflict / Resolution through time. Its not a coincidence that the sonata and the dramatic structure share the same form. In a typical play you have scenes, transitions, sets in the background and characters in the foreground. While the play progresses and characters clash you get music alongside each of these elements. Every song has a title that guides the listener to what the song is about. Typical Scenes include intro, bridge, buildup, section, breakdown and climax. What is the intro about ?  What is the bridge about ?  What is the verse about ?  What is the chorus about ?  What are the sections about ? The essential question driving any story is how to be ? In a drama this question is answered with doubts, emotion, circularity, warnings from the chorus, exposition, rises, falls, reprisals, conclusions, contradictions, denouncements, confrontations, mistakes, reversals, recognition, revelation resolution, statements and breakdowns.</p>
<p>Here another way of thinking about it. A song is about answering a question posed the title / intro perhaps.  The question which the artist poses to the audience.  Verses are the answers. Rhythm dictates the demarcates the flow of time and seasons.</p>
<p>Modern music has evolved to be standalone but it retains elements of theatrical story telling. You can divide a song into verses and sections. In the documentation, we will use the terms from plays. Within each musical scene you typically have,</p>
<ul class="simple">
<li><p>Background: You use layers of rhythm and groove to set the mood.</p></li>
<li><p>Foreground: Lead (Soliloquy), Counterpoint (Character Conflict), Call Response(Dialogues), Motif, Ornaments (Exposition)</p></li>
</ul>
<p>In Electronic Music, the foreground is mainly developed using Layers(polyrhythms) and Tweaking. Tweaking and Layers effectively function for the purposes of Exposition and Conflict. Chorus, Fade, Drop are used for transitions typically in electronic music. Tweaking is also called knob-twisting by hardware users. To compare the foreground in others,</p>
<p>Classical Music: Counterpoint and Harmony<br />
................................................................................


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................................................................................
<ol class="simple">
<li><p>Tuna</p></li>
<li><p>Timbral</p></li>
<li><p>Tone.js</p></li>
<li><p>Underscore / Rambda</p></li>
<li><p>cellx</p></li>
<li><p>Magenta.js (Machine Learning)</p></li>
<li><p>Three.js / P5.js / D3 / Paper.js</p></li>
<li><p>Winamp Visualisations (butterchurn)</p></li>
</ol>
<div class="highlight-html notranslate"><div class="highlight"><pre><span></span><span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;//cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.9.1/underscore-min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/tensorflow/1.2.8/tf.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/@magenta/music@^1.0.0/es6/core.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/@magenta/music@^1.0.0/es6/music_vae.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

<span class="p">&lt;</span><span class="nt">script</span> <span class="na">sec</span><span class="o">=</span><span class="s">&quot;https://mohayonao.github.io/timbre.js/timbre.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/tunajs/1.0.1/tuna-min.js&quot;</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;text/javascript&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/tone/14.7.77/Tone.js&quot;</span> <span class="na">integrity</span><span class="o">=</span><span class="s">&quot;sha512-gwSDP1iEKl4KG0wi3N89RAJU91s78jb/TGC6lsbF5IyR2c19Rn7Jl1icK4K4kUiJNwQUEPI7o98T+GJVWNuvIQ==&quot;</span> <span class="na">crossorigin</span><span class="o">=</span><span class="s">&quot;anonymous&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/teoria-master/teoria.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>


<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/p5@1.3.1/lib/p5.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/d3@5.7.0/dist/d3.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://threejs.org/build/three.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/butterchurn@2.6.7/lib/butterchurn.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/butterchurn-presets@2.4.7/lib/butterchurnPresets.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/webmidi@2.0.0&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://code.jquery.com/jquery-3.4.1.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/nexus-js/dist/NexusUI.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/cellx/1.10.19/cellx.umd.min.js&quot;</span> <span class="na">integrity</span><span class="o">=</span><span class="s">&quot;sha512-ojEcAP3e6N+n5MDKPW6CexXzuLDahDPkNZmzyRV4t2zqh9nwljJNuV8JGa+xjpnAaGB/FhsAU7P6IHEP0dtJQA==&quot;</span> <span class="na">crossorigin</span><span class="o">=</span><span class="s">&quot;anonymous&quot;</span> <span class="na">referrerpolicy</span><span class="o">=</span><span class="s">&quot;no-referrer&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

</pre></div>
</div>
<div class="section" id="about-author">
<h2>About Author<a class="headerlink" href="#about-author" title="Permalink to this headline">¶</a></h2>
<p>I make <a class="reference external" href="https://xyzzyapps.link">web apps</a> apps for a living. I started messing with algorithmic composition using pure data around 2011.  Although nothing much came out of it musically, it transformed the way I view programming. The unix pipes concept is identical to the data flow model in pure data; albeit with more connections.</p>
<p>For my music I moved onto Electribe, Renoise, Reaper and live looping with my guitar. I started exploring sonic pi in 2019 but TBH none of the live coding tools were doing what I wanted - basically tweaking /knob-twisting in techno so I started my work on this project. <a class="reference external" href="https://www.youtube.com/watch?v=adz1Gv5Lm34">This library</a> in sonic pi comes close to what I am trying todo with this project. In bitrhythm time is divided into ticks like renoise tracker.</p>
<p>After my initial work on the project in 2019, the project got sidetracked. After seeing <a class="reference external" href="https://www.vitling.xyz/toys/acid-banger/">endless acid banger</a> I had an epiphany to work on this project again. I was able to compose an endless and interactive dubtechno demo track. In March 2021, I also picked up on literate programming so this document will have both code and documentation intertwined.</p>
................................................................................
<p>The documentation for the literate programming project - wheel is <a class="reference external" href="https://xyzzyapps.link/wheel/">available here</a>.</p>
</div>
<div class="section" id="support-this-project">
<h2>Support this project<a class="headerlink" href="#support-this-project" title="Permalink to this headline">¶</a></h2>
<p>My goal is to make bitrhythm easy for both professionals and music learners. Support my work to get regular updates. Supporters will also get free accounts when I add pro features! Also get notified on latest developments and tutorials in the web audio world.</p>
<p><script src="https://gumroad.com/js/gumroad.js"></script><a class="gumroad-button" href="https://gumroad.com/l/iEVpN" target="_blank" rel="noopener"><span class="gumroad-button-logo"></span>Support Bitrhythm</a></p>
<p>You can find me on <a class="reference external" href="https://theaudioprogrammer.com/">theaudioprogrammer</a> and algorave discord as &#64;xyzzy.</p>
</div>
<div class="section" id="future-features">
<h2>Future Features<a class="headerlink" href="#future-features" title="Permalink to this headline">¶</a></h2>
<ul class="simple">
<li><p>Saving Songs</p></li>
<li><p>More Synths with Presets</p></li>
<li><p>Visualisation Presets</p></li>
<li><p>Autocomplete Rhythms and Chords</p></li>
<li><p>Automation Recording</p></li>
<li><p>Version Control</p></li>
<li><p>Record</p></li>
<li><p>Midi Support</p></li>
<li><p>More tutorials and examples on Web APIs</p></li>
<li><p>Synthesizer</p></li>
<li><p>Collaboration</p></li>
<li><p>Adding DJ Transition / Hints support</p></li>
</ul>
</div>
</div>


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................................................................................
<ol class="simple">
<li><p>Tuna</p></li>
<li><p>Timbral</p></li>
<li><p>Tone.js</p></li>
<li><p>Underscore / Rambda</p></li>
<li><p>cellx</p></li>
<li><p>Magenta.js (Machine Learning)</p></li>
<li><p>P5.js / D3</p></li>
<li><p>Winamp Visualisations (butterchurn)</p></li>
</ol>
<div class="highlight-html notranslate"><div class="highlight"><pre><span></span><span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;//cdnjs.cloudflare.com/ajax/libs/ramda/0.25.0/ramda.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.9.1/underscore-min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/tensorflow/1.2.8/tf.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/@magenta/music@^1.0.0/es6/core.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/@magenta/music@^1.0.0/es6/music_vae.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

<span class="p">&lt;</span><span class="nt">script</span> <span class="na">sec</span><span class="o">=</span><span class="s">&quot;https://mohayonao.github.io/timbre.js/timbre.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/tunajs/1.0.1/tuna-min.js&quot;</span> <span class="na">type</span><span class="o">=</span><span class="s">&quot;text/javascript&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/tone/14.7.77/Tone.js&quot;</span> <span class="na">integrity</span><span class="o">=</span><span class="s">&quot;sha512-gwSDP1iEKl4KG0wi3N89RAJU91s78jb/TGC6lsbF5IyR2c19Rn7Jl1icK4K4kUiJNwQUEPI7o98T+GJVWNuvIQ==&quot;</span> <span class="na">crossorigin</span><span class="o">=</span><span class="s">&quot;anonymous&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/teoria-master/teoria.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/303.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>

<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/p5@1.3.1/lib/p5.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/d3@5.7.0/dist/d3.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://threejs.org/build/three.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/butterchurn@2.6.7/lib/butterchurn.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdn.jsdelivr.net/npm/butterchurn-presets@2.4.7/lib/butterchurnPresets.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
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<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://code.jquery.com/jquery-3.4.1.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;/nexus-js/dist/NexusUI.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/cellx/1.10.19/cellx.umd.min.js&quot;</span> <span class="na">integrity</span><span class="o">=</span><span class="s">&quot;sha512-ojEcAP3e6N+n5MDKPW6CexXzuLDahDPkNZmzyRV4t2zqh9nwljJNuV8JGa+xjpnAaGB/FhsAU7P6IHEP0dtJQA==&quot;</span> <span class="na">crossorigin</span><span class="o">=</span><span class="s">&quot;anonymous&quot;</span> <span class="na">referrerpolicy</span><span class="o">=</span><span class="s">&quot;no-referrer&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
<span class="p">&lt;</span><span class="nt">script</span> <span class="na">src</span><span class="o">=</span><span class="s">&quot;https://cdnjs.cloudflare.com/ajax/libs/mousetrap/1.4.6/mousetrap.min.js&quot;</span><span class="p">&gt;&lt;/</span><span class="nt">script</span><span class="p">&gt;</span>
</pre></div>
</div>
<div class="section" id="about-author">
<h2>About Author<a class="headerlink" href="#about-author" title="Permalink to this headline">¶</a></h2>
<p>I make <a class="reference external" href="https://xyzzyapps.link">web apps</a> apps for a living. I started messing with algorithmic composition using pure data around 2011.  Although nothing much came out of it musically, it transformed the way I view programming. The unix pipes concept is identical to the data flow model in pure data; albeit with more connections.</p>
<p>For my music I moved onto Electribe, Renoise, Reaper and live looping with my guitar. I started exploring sonic pi in 2019 but TBH none of the live coding tools were doing what I wanted - basically tweaking /knob-twisting in techno so I started my work on this project. <a class="reference external" href="https://www.youtube.com/watch?v=adz1Gv5Lm34">This library</a> in sonic pi comes close to what I am trying todo with this project. In bitrhythm time is divided into ticks like renoise tracker.</p>
<p>After my initial work on the project in 2019, the project got sidetracked. After seeing <a class="reference external" href="https://www.vitling.xyz/toys/acid-banger/">endless acid banger</a> I had an epiphany to work on this project again. I was able to compose an endless and interactive dubtechno demo track. In March 2021, I also picked up on literate programming so this document will have both code and documentation intertwined.</p>
................................................................................
<p>The documentation for the literate programming project - wheel is <a class="reference external" href="https://xyzzyapps.link/wheel/">available here</a>.</p>
</div>
<div class="section" id="support-this-project">
<h2>Support this project<a class="headerlink" href="#support-this-project" title="Permalink to this headline">¶</a></h2>
<p>My goal is to make bitrhythm easy for both professionals and music learners. Support my work to get regular updates. Supporters will also get free accounts when I add pro features! Also get notified on latest developments and tutorials in the web audio world.</p>
<p><script src="https://gumroad.com/js/gumroad.js"></script><a class="gumroad-button" href="https://gumroad.com/l/iEVpN" target="_blank" rel="noopener"><span class="gumroad-button-logo"></span>Support Bitrhythm</a></p>
<p>You can find me on <a class="reference external" href="https://theaudioprogrammer.com/">theaudioprogrammer</a> and algorave discord as &#64;xyzzy.</p>

















</div>
</div>


              </div>
              
        

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function ThreeOhUnit(audio, waveform, defaults = null, output, patternLength = 16) {
    const synth = audio.ThreeOh(waveform, defaults = defaults, output);
    function step(note) {
        note = note || {
            type: "on",
            accent: false,
            glide: true,
            note: "A3",
        };
        if (note == "off") {
            synth.noteOff();
        } else {
            synth.noteOn(note.note, note.accent, note.glide);
        }
    }
    return {
        step,
        params: synth.params
    };
}

function textNoteToNumber(note) {
    const lookupTable = new Map();
    const revLook = new Map();
    (() => {
        function add(note, n) {
            lookupTable.set(note, n);
            revLook.set(n, note);
        }
        add('A', 9);
        add('A#', 10);
        add('B', 11);
        add('C', 0);
        add('C#', 1);
        add('D', 2);
        add('D#', 3);
        add('E', 4);
        add('F', 5);
        add('F#', 6);
        add('G', 7);
        add('G#', 8);
    })();

    const o = note.substring(note.length - 1);
    const n = note.substring(0, note.length - 1);
    // @ts-ignore
    return parseInt(o) * 12 + lookupTable.get(n) + 12;
}

function midiNoteToFrequency(noteNumber) {
    return 440 * Math.pow(2, (noteNumber - 69) / 12);
}

function Audio(au = new (window.AudioContext || window.webkitAudioContext)()) {

    function masterChannel() {
        const gain = au.createGain();
        gain.gain.value = 0.5;
        const limiter = au.createDynamicsCompressor();
        limiter.attack.value = 0.005;
        limiter.release.value = 0.1;
        limiter.ratio.value = 15.0;
        limiter.knee.value = 0.0;
        limiter.threshold.value = -0.5;
        gain.connect(limiter);
        limiter.connect(au.destination);
        return {
            in: gain
        };
    }

    const master = masterChannel();

    function ThreeOh(type = "sawtooth", defaults, out = master.in) {
        defaults = defaults || {
            "cutoff": 400,
            "resonance": 15,
            "envMod": 4000,
            "decay": 0.5
        }
        const filter = au.createBiquadFilter();
        filter.type = "lowpass";
        filter.Q.value = defaults.resonance;
        filter.frequency.value = defaults.cutoff;
        const pResonance = filter.Q;
        const pCutoff = filter.frequency;

        const decayTimeNode = au.createConstantSource();
        decayTimeNode.offset.value = defaults.decay;
        decayTimeNode.start();
        const pDecay = decayTimeNode.offset;

        const env = au.createConstantSource();
        env.start();
        env.offset.value = 0.0;

        const scaleNode = au.createGain();
        scaleNode.gain.value = defaults.envMod;
        const pEnvMod = scaleNode.gain;
        env.connect(scaleNode);
        scaleNode.connect(filter.detune);
        const osc = au.createOscillator();
        osc.type = type;
        osc.frequency.value = 440;
        osc.start();
        const vca = au.createGain();
        vca.gain.value = 0.0;
        osc.connect(vca);
        vca.connect(filter);
        filter.connect(out);
        function noteOn(note, accent = false, glide = false) {
            if (accent) {
                env.offset.cancelScheduledValues(au.currentTime);
                //env.offset.setTargetAtTime(1.0,au.currentTime, 0.001);
                env.offset.setValueAtTime(1.0, au.currentTime);
                env.offset.exponentialRampToValueAtTime(0.01, au.currentTime + pDecay.value / 3);
            }
            else {
                env.offset.cancelScheduledValues(au.currentTime);
                //env.offset.setTargetAtTime(1.0,au.currentTime, 0.001);
                env.offset.setValueAtTime(1.0, au.currentTime);
                env.offset.exponentialRampToValueAtTime(0.01, au.currentTime + pDecay.value);
            }
            osc.frequency.cancelScheduledValues(au.currentTime);
            if (typeof note == "number") {
                osc.frequency.setTargetAtTime(note, au.currentTime, glide ? 0.02 : 0.002);
            } else {
                osc.frequency.setTargetAtTime(midiNoteToFrequency(textNoteToNumber(note)), au.currentTime, glide ? 0.02 : 0.002);
            }
            vca.gain.cancelScheduledValues(au.currentTime);
            vca.gain.setValueAtTime(accent ? 0.2 : 0.15, au.currentTime);
            //vca.gain.setTargetAtTime(accent ? 0.5 : 0.3,au.currentTime, 0.001);
            //vca.gain.setValueAtTime(0.2, au.currentTime);
            vca.gain.linearRampToValueAtTime(0.1, au.currentTime + 0.2);
        }
        function noteOff() {
            vca.gain.cancelScheduledValues(au.currentTime);
            vca.gain.setTargetAtTime(0.0, au.currentTime, 0.01);
        }
        return {
            noteOn,
            noteOff,
            params: {
                cutoff: pCutoff,
                resonance: pResonance,
                envMod: pEnvMod,
                decay: pDecay
            }
        };
    }
    return {
        ThreeOh,
        master,
        context: au
    };
}

window.Audio = Audio;
window.ThreeOhUnit = ThreeOhUnit;

Changes to public/components/bitrhythm.tag.

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        </hstack>

        <div class="mt-2 ml-2" >
            <button type="button" class="btn btn-primary w-1/10 ml-2 mt-1"  onclick={play}>Play</button>
            <button type="button" class="btn btn-primary ml-2" onclick={save}>Save</button>
            <button type="button" class="btn btn-primary ml-2" onclick={reset}>Reset</button>
            <button type="button" class="btn btn-primary ml-2" onclick={reload}>Window Reload</button>


            <input class="ml-1" name="edit-mode" id="edit-mode" type="checkbox"/>
            <label for="edit-mode">Edit</label>
            <input class="ml-1" name="load-mode" id="load-mode" type="checkbox"/>
            <label for="load-mode">Execute Transition</label>


        </div>

        <hstack>
            <div each={ key, index in state.samples} >
                <div if={ state.samples && state.samples[index] }>
                    <sample  setsample={setSample} rmsample={rmSample} samples={state.samples} ti={index + 1}></sample>
                </div>
            </div>
        </hstack>

        <hstack>
            <div each={ key, index in state.dials}>
                <dial rmdial={rmDial}  v={state.dials[index]} ti={index + 1}></dial>
            </div>
        </hstack>

................................................................................
    margin-top: 4vh;
}
</style>

<script>
var oldCode = "";
var oldPatterns = [];



































// var audio = new Audio();
// audio.loop = true;
const actx = Tone.context;
const dest = actx.createMediaStreamDestination();
const recorder = new MediaRecorder(dest.stream);
let chunks = [];
var sampleURL = "";
var sam;
var loop;
this.props = opts;

this.state = {
    mem: {},
    dials: [],
    numbers: [],
    samples: [],
................................................................................
        })
    }


});






pattern_clean(p) {
    return window.pattern_clean(p);


















}

save() {
    this.state.code = editor.getValue();
    var text = {
        tempo: this.state.tempo,
        dial_count: this.state.dials.length,
................................................................................
        sample_names: this.state.samples.map(function (item) {return item["__url"]}),
        ticks: 16,
        code: this.state.code,
    };
    const lib = window.JsonUrl('lzma');
	lib.compress(text).then(encodedData => {
        var link = "/song/" + encodedData;

        window.open(link, "_blank");
    });
}

reload() {
    window.location.replace( "//" + window.location.host)
}

reset() {

    Tone.Master.mute = true;
    if (loop) {
        loop.stop();
        loop.cancel();
        loop.dispose();
        Tone.Master.mute = false;
    }
    document.getElementById('tempo-value').disabled = false;
    document.getElementById('tick-value').disabled = false;
    editor.setValue("");

    this.state = {
        mem: {},
................................................................................
    })


}

editTempo(e) {
    this.update({


        tempo: e.target.value

    })
}

editTicks(e) {
    this.update({


        ticks: e.target.value

    })
}



async play() {
    var self = this;
................................................................................
    var cellx = window.cellx.cellx;
    var $ = jQuery;

    await Tone.start();
    Tone.Transport.start();
    Tone.Transport.bpm.value = this.state.tempo;
    Tone.Transport.swing.value = 0;



    var transition = function () {
    }

    var always = function () {
    }


    var render_loop = function () {
    }

    var animation = function () {
        render_loop();
        window.requestAnimationFrame(animation)
................................................................................
    }

    Tone.Master.mute = false;
    document.getElementById('tempo-value').disabled = true;
    document.getElementById('tick-value').disabled = true;

    var mem = self.state.mem;

    var handlers = {};
    var count = -1;

    var text = editor.getValue();

    editor.on("change", function () {
            text = editor.getValue();
    });

    var patterns = [ cellx("0000") ]; // need this for first eval

    var bars = 0;
    var tick = 0;

    loop = new Tone.ToneEvent((time, chord) => {





        count = count + 1;
        tick = (count % this.state.ticks);
        if (tick === 0) ++bars;

        $("#duration").html("" + bars + "." + tick + " / " + count + " / " + window.roundTo(Tone.Transport.seconds, 2));


        for (var i = 0; i < patterns.length; i++) {
            var samples = this.state.samples;
            var dials = self.state.dials;
            var numbers = self.state.numbers;

            if (document.getElementById('edit-mode').checked) {
                p = oldPatterns[i];
            } else {
                var p = patterns[i];
                oldPatterns[i] = p;
            }
            if (p && p.length !== 0) {
                var track_no = i + 1;
                var pattern = pattern_clean(p());

                var isHit = (pattern.split('')[tick] == "1") ? true : false;

                try {
                    if (document.getElementById('edit-mode').checked) {
                        eval(oldCode);
                    } else {
                        eval(text);







                        if (document.getElementById('load-mode').checked) {
                            document.getElementById('load-mode').checked = false;
                            transition();
                        }
                        oldCode = text;
                    }
                    $("#error").html("");
                } catch (ex) {
                    $("#error").html(ex);
                    eval(oldCode);
                }
            }
        }
    }, []);
    loop.loop = true;
    loop.loopEnd = this.state.ticks + "n";
    loop.start();

   window.requestAnimationFrame(animation)

}


start() {
    recorder.start();
}







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        </hstack>

        <div class="mt-2 ml-2" >
            <button type="button" class="btn btn-primary w-1/10 ml-2 mt-1"  onclick={play}>Play</button>
            <button type="button" class="btn btn-primary ml-2" onclick={save}>Save</button>
            <button type="button" class="btn btn-primary ml-2" onclick={reset}>Reset</button>
            <button type="button" class="btn btn-primary ml-2" onclick={reload}>Window Reload</button>
            <button type="button" class="btn btn-primary ml-2" onclick={download}>Save File</button>

            <input class="ml-1" name="edit-mode" id="edit-mode" type="checkbox"/>
            <label for="edit-mode">Edit</label>
            <input class="ml-1" name="load-mode" id="load-mode" type="checkbox"/>
            <label for="load-mode">Execute Transition</label>
            <input class="ml-1" name="load-mode" id="redo" type="checkbox"/>
            <label for="redo">Redo Bar</label>
        </div>

        <vstack>
            <div each={ key, index in state.samples} >
                <div if={ state.samples && state.samples[index] }>
                    <sample  setsample={setSample} rmsample={rmSample} samples={state.samples} ti={index + 1}></sample>
                </div>
            </div>
        </vstack>

        <hstack>
            <div each={ key, index in state.dials}>
                <dial rmdial={rmDial}  v={state.dials[index]} ti={index + 1}></dial>
            </div>
        </hstack>

................................................................................
    margin-top: 4vh;
}
</style>

<script>
var oldCode = "";
var oldPatterns = [];

Mousetrap.stopCallback = function(e, element, combo) {
    return false;
}

Mousetrap.bind(['f5'], function(e) {
    if (document.getElementById('edit-mode').checked) {
        document.getElementById('edit-mode').checked = false;
    } else {
        document.getElementById('edit-mode').checked = true;
    }

    return false;
});

Mousetrap.bind(['f9'], function(e) {

    if (document.getElementById('redo').checked) {
        document.getElementById('redo').checked = false;
    } else {
        document.getElementById('redo').checked = true;
    }

    return false;
});

Mousetrap.bind(['f8'], function(e) {
    if (document.getElementById('load-mode').checked) {
        document.getElementById('load-mode').checked = false;
    } else {
        document.getElementById('load-mode').checked = true;
    }
    return false;
});

// var audio = new Audio();
// audio.loop = true;
const actx = Tone.context;
const dest = actx.createMediaStreamDestination();
const recorder = new MediaRecorder(dest.stream);
let chunks = [];
var sampleURL = "";
var sam;

this.props = opts;

this.state = {
    mem: {},
    dials: [],
    numbers: [],
    samples: [],
................................................................................
        })
    }


});


pattern_parse(p) {
    return window.pattern_parse(p);
}

pattern_meta(p) {
    return window.pattern_meta(p);
}

download() {
    
    function download(data, filename = "song.txt", type = "text/plain") {
            var file = new Blob([data], {type: type});
            var a = document.createElement("a"),
                    url = URL.createObjectURL(file);
            a.href = url;
            a.download = filename;
            document.body.appendChild(a);
            a.click();
            setTimeout(function() {
                document.body.removeChild(a);
                window.URL.revokeObjectURL(url);  
            }, 0); 
    }
    download(editor.getValue())
}

save() {
    this.state.code = editor.getValue();
    var text = {
        tempo: this.state.tempo,
        dial_count: this.state.dials.length,
................................................................................
        sample_names: this.state.samples.map(function (item) {return item["__url"]}),
        ticks: 16,
        code: this.state.code,
    };
    const lib = window.JsonUrl('lzma');
	lib.compress(text).then(encodedData => {
        var link = "/song/" + encodedData;
        window.history.pushState({}, 'Bitrhythm', link);
        //window.open(link, "_blank");
    });
}

reload() {
    window.location.replace( "//" + window.location.host)
}

reset() {

    Tone.Master.mute = true;
    Tone.Transport.stop();
    Tone.stop();
    if (self.state.timer) {
        clearInterval(self.state.timer);

    }
    document.getElementById('tempo-value').disabled = false;
    document.getElementById('tick-value').disabled = false;
    editor.setValue("");

    this.state = {
        mem: {},
................................................................................
    })


}

editTempo(e) {
    this.update({
        state: {
            ...this.state,
            tempo: parseInt(e.target.value)
        }
    })
}

editTicks(e) {
    this.update({
        state: {
            ...this.state,
            ticks: e.target.value
        }
    })
}



async play() {
    var self = this;
................................................................................
    var cellx = window.cellx.cellx;
    var $ = jQuery;

    await Tone.start();
    Tone.Transport.start();
    Tone.Transport.bpm.value = this.state.tempo;
    Tone.Transport.swing.value = 0;

    window.hit_map = {};

    var transition = function () {
    }

    var always = function () {
    }


    var render_loop = function () {
    }

    var animation = function () {
        render_loop();
        window.requestAnimationFrame(animation)
................................................................................
    }

    Tone.Master.mute = false;
    document.getElementById('tempo-value').disabled = true;
    document.getElementById('tick-value').disabled = true;

    var mem = self.state.mem;
    window.mem = mem;
    var handlers = {};
    window.count = -1;

    var text = editor.getValue();

    editor.on("change", function () {
        text = editor.getValue();
    });

    var patterns = [ cellx("0000") ]; // need this for first eval

    var bars = 0;
    var tick = 0;

    var quarter_beat_length = 60000.0 / this.state.tempo;
    var beat_length = quarter_beat_length * 4;
    var delta = beat_length / this.state.ticks;
    window.samples = this.state.samples;

  self.state.timer = setInterval(function () {
        count = count + 1;
        tick = (count % this.state.ticks);
        if (tick === 0) ++bars;

        $("#duration").html("" + bars + "." + tick + " / " + count + " / " + window.roundTo(Tone.Transport.seconds, 2));

        always();
        for (var i = 0; i < patterns.length; i++) {

            var dials = self.state.dials;
            var numbers = self.state.numbers;

            if (document.getElementById('edit-mode').checked) {
                var p_text  = oldPatterns[i];
            } else {
                var p_text = patterns[i];
                oldPatterns[i] = p_text;
            }
            if (p_text() && p_text().length !== 0) {
                var track_no = i + 1;
                var pattern = pattern_parse(p_text());
                var meta = pattern_meta(p_text());
                var isHit = (pattern.split('')[tick] == "1") ? true : false;

                try {
                    if (document.getElementById('edit-mode').checked) {
                        eval(oldCode);
                    } else {
                        eval(text);
                        if (document.getElementById('redo').checked) {
                            document.getElementById('redo').checked = false;
                            tick = (count % this.state.ticks);
                            count -= tick + 1;
                            i = 0;
                            continue;
                        }
                        if (document.getElementById('load-mode').checked) {
                            document.getElementById('load-mode').checked = false;
                            transition();
                        }
                        oldCode = text;
                    }
                    $("#error").html("");
                } catch (ex) {
                    $("#error").html(ex);
                    eval(oldCode);
                }
            }
        }
  }.bind(this), delta)




  window.requestAnimationFrame(animation);

}


start() {
    recorder.start();
}

Changes to public/components/sample.tag.

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<sample>
    <vbox class="ml-2">
        <vstack class="ml-2">
        <!-- <input type="file" id={"sample-file" + this.props.ti} style="width: 120px;"/> -->
        <div style="max-width: 120px;text-overflow: ellipsis; white-space: nowrap;overflow: hidden;">
            <span>{ getLast(this.props.ti -1)} </span>
            <span class="cursor-pointer" id={"sample" + this.props.ti} onclick={remove(this.props.ti -1)}>(x)</span>
        </div>
        </vstack>
    </vbox>

    <script>
    this.props = opts;





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<sample>
    <vbox class="ml-2">
        <vstack class="ml-2">
        <!-- <input type="file" id={"sample-file" + this.props.ti} style="width: 120px;"/> -->
        <div>
            <span class="max-width: 120px;text-overflow: ellipsis; white-space: nowrap;">{ getLast(this.props.ti -1)} </span>
            <span class="cursor-pointer" id={"sample" + this.props.ti} onclick={remove(this.props.ti -1)}>(x)</span>
        </div>
        </vstack>
    </vbox>

    <script>
    this.props = opts;

Changes to public/misc.js.





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function initWinamp(preset) {
    var can = document.getElementById("visual");
    can.height = window.innerHeight - document.getElementById("header-playback").clientHeight - 75;
    can.width = window.innerWidth;
    var can_container = document.getElementById("canvas-container");
    can_container.width = window.innerWidth;
    var visualizer = window.butterchurn.default.createVisualizer(Tone.getContext().rawContext, can, {
        height: window.innerHeight - document.getElementById("header-playback").clientHeight - 75,
        width: window.innerWidth,
        meshWidth: 24,
        meshHeight: 18,
    });
    visualizer.connectAudio(Tone.getContext().destination);
    const presets = window.butterchurnPresets.getPresets();
    const presetParam = presets[preset];
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            return val;
        } else {
            return state;
        }
    }
}

function hex2bin(hex) {
    var letters = hex.replace('`1','a');
    letters = hex.replace('`2','b');
    letters = hex.replace('`3','c');
    letters = hex.replace('`4','d');
    letters = hex.replace('`5','e');
    letters = hex.replace('`6','f');
    letters = letters.split('');



    var bin = "";
    letters.map(function(letter) {





























        if (letter == "0") {
            bin += "0000";
        }
        if (letter == "1") {
            bin += "0001";
        }
        else if (letter == "2") {
................................................................................
        }
        else if (letter == "e") {
            bin += "1110";
        }
        else if (letter == "f") {
            bin += "1111";
        }









    })
    return bin;
}









function pattern_clean(p) {
    if (!p) {













































































































































        return "";
    }
    p = p.replace(/ /g, "");

    var fc = p.split('')[0];
    if (fc== "p") {
        var ptype = "xo";
        var l = (p.length - 1);
    }
    else if (fc== "b") {
        var l = (p.length - 1);
        var ptype = "bin";
    }
    else {
        var ptype = "hex";
        var l = (p.length) * 4;
    }

    if (ptype == "bin") {
        var fp =  p.substring(1);
    } else if (ptype == "xo") {
        var fp = p.substr(1);
        fp = fp.replace(/x/g, "1");






















    } else {












        var fp = hex2bin(p);
    }

    return fp;
}

function download(data, filename, type) {
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function getRandomInt(max) {
  return Math.floor(Math.random() * max);
}

function initWinamp(preset) {
    var can = document.getElementById("visual");
    can.height = window.innerHeight - (document.getElementById("header-playback").clientHeight / 2);
    can.width = window.innerWidth;
    var can_container = document.getElementById("canvas-container");
    can_container.width = window.innerWidth;
    var visualizer = window.butterchurn.default.createVisualizer(Tone.getContext().rawContext, can, {
        height: window.innerHeight - (document.getElementById("header-playback").clientHeight / 2),
        width: window.innerWidth,
        meshWidth: 24,
        meshHeight: 18,
    });
    visualizer.connectAudio(Tone.getContext().destination);
    const presets = window.butterchurnPresets.getPresets();
    const presetParam = presets[preset];
................................................................................
            return val;
        } else {
            return state;
        }
    }
}

function romantogypsy(hex) {
    var letters = hex.replace('`1','a');
    letters = letters.replace('`2','b');
    letters = letters.replace('`3','c');
    letters = letters.replace('`4','d');
    letters = letters.replace('`5','e');
    letters = letters.replace('`6','f');
    return letters;
}

function lettertodec(letter) {
        var bin = "";

        if (letter.match(/\d/)) {
            no = parseInt(letter);
        }
        else if (letter == "a") {
            no = 10;
        }
        else if (letter == "b") {
            no = 11;
        }
        else if (letter == "c") {
            no = 12;
        }
        else if (letter == "d") {
            no = 13;
        }
        else if (letter == "e") {
            no = 14;
        }
        else if (letter == "f") {
            no = 15;
        }
        for (i = 1; i <= no; i++) {
            bin += "0";
        }
        return bin;
}

function lettertobin(letter) {
        var bin = "";
        if (letter == "0") {
            bin += "0000";
        }
        if (letter == "1") {
            bin += "0001";
        }
        else if (letter == "2") {
................................................................................
        }
        else if (letter == "e") {
            bin += "1110";
        }
        else if (letter == "f") {
            bin += "1111";
        }
        return bin;
}

function hex2bin(hex) {
    var letters = romantogypsy(hex)
    letters = letters.split('');
    var bin = "";
    letters.map(function(letter) {
        bin += lettertobin(letter)
    })
    return bin;
}

function get_char(str, index) {
    if ((index > 0) && (index < str.length)) {
        return str[index];
    } else {
        return null
    }
}

function pattern_meta(p) {
    if (!p) {
        return null;
    }
    p = p.replace(/ /g, "");
    var fc = p.split('')[0];
    if (fc== "p") {
        var ptype = "xo";
        var l = (p.length - 1);
    }

    if (ptype == "xo") {
        var fp = p.substr(1);
        fp = fp.replace(/x/g, "1");
    }

    if (!fp) {
        return null;
    }

    var done = false;
    var index = 0;
    var meta = {}
    var one_index = 1;

    while(1) {
        if (index > fp.length) {
            break;
        }
        var current_meta = {}
        var current_letter = fp[index]
        if (current_letter == "_") {
            meta[one_index -1] = {"volume": "off" };
            index += 2;
            one_index += 2;
            continue;
        }
        else if (current_letter == "1") {
            var next_letter = get_char(fp,index + 1);
            if (next_letter == "[") {
                var jump_index = 1;
                var buffer = "";
                while(1) {
                    if (((index + 1) + jump_index) > fp.length) {
                        break;
                    }
                    let b_next_letter = get_char(fp, ((index + 1) + jump_index));

                    if (b_next_letter == "]") {
                        jump_index += 2;
                        break;
                    } else {
                        buffer += b_next_letter;
                        jump_index += 1;
                    }
                }
                var individual_meta = buffer.split(";")
                individual_meta.map(function (e) {
                    if (e.startsWith("^")) {
                        current_meta["pitch"] = e.substring(1)
                    } else if (e.startsWith("+")) {
                        current_meta["delay"] = e
                    } else {
                        current_meta["volume"] = e
                    }
                })
                meta[one_index -1] = current_meta
                index += jump_index;
                one_index += 1;
                continue;
            } else {
                meta[one_index -1] = current_meta
                one_index += 1;
                index += 1;
                continue;
            }
        } else {
            if (current_letter == "*") {
                var next_letter = get_char(fp,index + 1);
                if (next_letter == "`") {
                    index += 3;
                } else {
                    index += 2;
                    continue;
                }
            } else {
                index += 1;
                one_index += 1;
                continue;
            }
        }
    }
    return meta;
}

function Sample(name, no, filter, volume) {
    name = name
    filter = filter || 10000
    volume = volume || 0
    mem[name + "_filter"] = new Tone.Filter(filter, 'lowpass', -96);
    mem[name + "_channel"] = new Tone.Channel({channelCount: 2, volume: volume}).chain(mem[name + "_filter"], mem.master)
    samples[no].connect(mem[name + "_channel"]);
    hit_map[name] = no;
}

window.Sample = Sample;

function p(s, vol, note, len, delay) {
    note = note || "C3"
    len = len || "16n"
    vol = vol || 1
    delay = delay || "+0";

    samples[s].triggerAttackRelease(note, len, delay, vol);
    for (const [key, value] of Object.entries(hit_map)) {
    	if (value == s) {
	    	mem[key + "_last"] = count 
	    }
  	}
}

window.p = p;

function pn(s, vol, note, len, delay) {
    sample_no = hit_map[s]
    note = note || "C3"
    len = len || "16n"
    vol = vol || 1
    delay = delay || "+0";
    samples[sample_no].triggerAttackRelease(note, len, delay, vol);
    for (const [key, value] of Object.entries(hit_map)) {
    	if (value == s) {
	    	mem[key + "_last"] = count 
	    }
  	}
}

window.pn = pn;



function pattern_parse(p) {
    if (!p) {
        return "";
    }
    p = p.replace(/ /g, "");
    p = p.replace(/\[.+?\]/g, "");
    var fc = p.split('')[0];
    if (fc== "p") {
        var ptype = "xo";
        var l = (p.length - 1);





    } else {
        var ptype = "hex";
        var l = (p.length) * 4;
    }



    if (ptype == "xo") {
        var fp = p.substr(1);
        fp = fp.replace(/x/g, "1");
    }

    if (ptype == "xo") {
        var fin = "";
        var done = false;
        var index = 1;
        while(1) {
            if (done) {
                break;
            }
            if (index >= fp.length) {
                done = true;
                continue;
            }
            var current_letter = fp[index - 1]
            if (current_letter) {
            if (current_letter == "*") {
                var next_letter = get_char(fp,index);
                if (next_letter == "`") {
                    var next_next_letter = get_char(fp,index + 1);
                    fin +=  lettertodec(romantogypsy(next_letter + next_next_letter));
                    index += 3;
                } else {
                    fin += lettertodec(next_letter);
                    index += 2;
                }
            } else {
                fin += current_letter;
                index += 1;
            }
            }
        }
        return fin;
    }
    else {
        var fp = hex2bin(p);
    }

    return fp;
}

function download(data, filename, type) {

Added public/test.png.

cannot compute difference between binary files

Changes to requirements.txt.

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aiofiles==0.6.0
alabaster==0.7.12

appdirs==1.4.4
appnope==0.1.2

astor==0.8.1
astroid==2.5.6
asttokens==2.0.5
attrs==21.2.0
Babel==2.9.1
backcall==0.2.0
beautifulsoup4==4.9.3
black==21.5b1

certifi==2020.12.5

chardet==4.0.0
click==7.1.2
cogapp==3.0.0
colorama==0.4.4

decorator==5.0.7

dialite==0.5.3
docutils==0.16

flexx==0.8.1
funcparserlib==0.3.6
furo==2021.4.11b34
httptools==0.2.0
hy==0.20.0
idna==2.10
imagesize==1.2.0
ipdb==0.13.7

ipython==7.22.0
ipython-genutils==0.2.0
isort==5.8.0
jedi==0.18.0
Jinja2==2.11.3

jsonschema==3.2.0

jupyter-core==4.7.1




lazy-object-proxy==1.6.0
leo==6.3
Mako==1.1.4
markdown-it-py==1.1.0
MarkupSafe==1.1.1

mccabe==0.6.1
mdit-py-plugins==0.2.8
meta==1.0.2

multidict==5.1.0
mypy-extensions==0.4.3
myst-parser==0.14.0



nbformat==5.1.3


packaging==20.9

parso==0.8.2
pathspec==0.8.1
pexpect==4.8.0
pickleshare==0.7.5

prompt-toolkit==3.0.18
pscript==0.7.5
ptyprocess==0.7.0

pydata-sphinx-theme==0.6.3
pyflakes==2.3.1
Pygments==2.8.1
pylint==2.8.2
pyparsing==2.4.7
PyQt5==5.15.4
PyQt5-Qt5==5.15.2
PyQt5-sip==12.8.1
PyQtWebEngine==5.15.4
PyQtWebEngine-Qt5==5.15.2
pyrsistent==0.17.3
pyshortcuts==1.8.0

pytz==2021.1
PyYAML==5.4.1

regex==2021.4.4
requests==2.25.1

rply==0.7.8
sanic==21.3.4
sanic-routing==0.6.2

six==1.16.0

snowballstemmer==2.1.0
soupsieve==2.2.1
Sphinx==3.5.4
sphinx-book-theme==0.1.1
sphinxcontrib-applehelp==1.0.2
sphinxcontrib-devhelp==1.0.2
sphinxcontrib-htmlhelp==1.0.3
sphinxcontrib-jsmath==1.0.1
sphinxcontrib-qthelp==1.0.3
sphinxcontrib-serializinghtml==1.1.4


toml==0.10.2
tornado==6.1
traitlets==5.0.5
ujson==4.0.2
urllib3==1.26.4
uvloop==0.15.2

wcwidth==0.2.5

webruntime==0.5.8

websockets==8.1
wrapt==1.12.1


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aiofiles==0.6.0
alabaster==0.7.12
anyio==3.3.4
appdirs==1.4.4
appnope==0.1.2
argon2-cffi==21.1.0
astor==0.8.1
astroid==2.5.6
asttokens==2.0.5
attrs==21.2.0
Babel==2.9.1
backcall==0.2.0
beautifulsoup4==4.9.3
black==21.5b1
bleach==4.1.0
certifi==2020.12.5
cffi==1.15.0
chardet==4.0.0
click==7.1.2
cogapp==3.0.0
colorama==0.4.4
debugpy==1.5.1
decorator==5.0.7
defusedxml==0.7.1
dialite==0.5.3
docutils==0.16
entrypoints==0.3
flexx==0.8.1
funcparserlib==0.3.6
furo==2021.4.11b34
httptools==0.2.0
hy==0.20.0
idna==2.10
imagesize==1.2.0
ipdb==0.13.7
ipykernel==6.4.2
ipython==7.28.0
ipython-genutils==0.2.0
isort==5.8.0
jedi==0.18.0
Jinja2==2.11.3
json5==0.9.6
jsonschema==3.2.0
jupyter-client==7.0.6
jupyter-core==4.7.1
jupyter-server==1.11.1
jupyterlab==3.2.1
jupyterlab-pygments==0.1.2
jupyterlab-server==2.8.2
lazy-object-proxy==1.6.0
leo==6.3
Mako==1.1.4
markdown-it-py==1.1.0
MarkupSafe==1.1.1
matplotlib-inline==0.1.3
mccabe==0.6.1
mdit-py-plugins==0.2.8
meta==1.0.2
mistune==0.8.4
multidict==5.1.0
mypy-extensions==0.4.3
myst-parser==0.14.0
nbclassic==0.3.4
nbclient==0.5.4
nbconvert==6.2.0
nbformat==5.1.3
nest-asyncio==1.5.1
notebook==6.4.5
packaging==20.9
pandocfilters==1.5.0
parso==0.8.2
pathspec==0.8.1
pexpect==4.8.0
pickleshare==0.7.5
prometheus-client==0.12.0
prompt-toolkit==3.0.18
pscript==0.7.5
ptyprocess==0.7.0
pycparser==2.20
pydata-sphinx-theme==0.6.3
pyflakes==2.3.1
Pygments==2.8.1
pylint==2.8.2
pyparsing==2.4.7
PyQt5==5.15.4
PyQt5-Qt5==5.15.2
PyQt5-sip==12.8.1
PyQtWebEngine==5.15.4
PyQtWebEngine-Qt5==5.15.2
pyrsistent==0.17.3
pyshortcuts==1.8.0
python-dateutil==2.8.2
pytz==2021.1
PyYAML==5.4.1
pyzmq==22.3.0
regex==2021.4.4
requests==2.25.1
requests-unixsocket==0.2.0
rply==0.7.8
sanic==21.3.4
sanic-routing==0.6.2
Send2Trash==1.8.0
six==1.16.0
sniffio==1.2.0
snowballstemmer==2.1.0
soupsieve==2.2.1
Sphinx==3.5.4
sphinx-book-theme==0.1.1
sphinxcontrib-applehelp==1.0.2
sphinxcontrib-devhelp==1.0.2
sphinxcontrib-htmlhelp==1.0.3
sphinxcontrib-jsmath==1.0.1
sphinxcontrib-qthelp==1.0.3
sphinxcontrib-serializinghtml==1.1.4
terminado==0.12.1
testpath==0.5.0
toml==0.10.2
tornado==6.1
traitlets==5.0.5
ujson==4.0.2
urllib3==1.26.4
uvloop==0.15.2
watchdog==2.1.6
wcwidth==0.2.5
webencodings==0.5.1
webruntime==0.5.8
websocket-client==1.2.1
websockets==8.1
wrapt==1.12.1

Changes to source/_static/analytics.js.

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window.goatcounter = {
    path: function(p) { return location.host + p }

}
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