-
-
Notifications
You must be signed in to change notification settings - Fork 215
Expand file tree
/
Copy pathplugins_zzfxm.js.html
More file actions
169 lines (150 loc) · 28.3 KB
/
plugins_zzfxm.js.html
File metadata and controls
169 lines (150 loc) · 28.3 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
<!DOCTYPE html><html lang="en" style="font-size:16px"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><link rel="icon" href="./static/favicon.png"><meta name="description" content="LittleJS is a lightweight HTML5 game engine with fast WebGL rendering, physics, particles, sound, and more!"><meta name="keywords" content="javascript, game engine, html5, webgl, 2d, game development, indie games"><meta name="author" content="Frank Force"><meta property="og:title" content="LittleJS - The Tiny JavaScript Game Engine"><meta property="og:description" content="Lightweight HTML5 game engine with WebGL rendering, physics, and sound"><meta property="og:type" content="website"><title>Source: plugins/zzfxm.js</title><!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]--><script src="scripts/third-party/hljs.js" defer="defer"></script><script src="scripts/third-party/hljs-line-num.js" defer="defer"></script><script src="scripts/third-party/popper.js" defer="defer"></script><script src="scripts/third-party/tippy.js" defer="defer"></script><script src="scripts/third-party/tocbot.min.js"></script><script>var baseURL="/",locationPathname="";baseURL=(baseURL=(baseURL="https://killedbyapixel.github.io/LittleJS/docs/").replace(/https?:\/\//i,"")).substr(baseURL.indexOf("/"))</script><link rel="stylesheet" href="styles/clean-jsdoc-theme.min.css"><svg aria-hidden="true" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" style="display:none"><defs><symbol id="copy-icon" viewbox="0 0 488.3 488.3"><g><path d="M314.25,85.4h-227c-21.3,0-38.6,17.3-38.6,38.6v325.7c0,21.3,17.3,38.6,38.6,38.6h227c21.3,0,38.6-17.3,38.6-38.6V124 C352.75,102.7,335.45,85.4,314.25,85.4z M325.75,449.6c0,6.4-5.2,11.6-11.6,11.6h-227c-6.4,0-11.6-5.2-11.6-11.6V124 c0-6.4,5.2-11.6,11.6-11.6h227c6.4,0,11.6,5.2,11.6,11.6V449.6z"/><path d="M401.05,0h-227c-21.3,0-38.6,17.3-38.6,38.6c0,7.5,6,13.5,13.5,13.5s13.5-6,13.5-13.5c0-6.4,5.2-11.6,11.6-11.6h227 c6.4,0,11.6,5.2,11.6,11.6v325.7c0,6.4-5.2,11.6-11.6,11.6c-7.5,0-13.5,6-13.5,13.5s6,13.5,13.5,13.5c21.3,0,38.6-17.3,38.6-38.6 V38.6C439.65,17.3,422.35,0,401.05,0z"/></g></symbol><symbol id="search-icon" viewBox="0 0 512 512"><g><g><path d="M225.474,0C101.151,0,0,101.151,0,225.474c0,124.33,101.151,225.474,225.474,225.474 c124.33,0,225.474-101.144,225.474-225.474C450.948,101.151,349.804,0,225.474,0z M225.474,409.323 c-101.373,0-183.848-82.475-183.848-183.848S124.101,41.626,225.474,41.626s183.848,82.475,183.848,183.848 S326.847,409.323,225.474,409.323z"/></g></g><g><g><path d="M505.902,476.472L386.574,357.144c-8.131-8.131-21.299-8.131-29.43,0c-8.131,8.124-8.131,21.306,0,29.43l119.328,119.328 c4.065,4.065,9.387,6.098,14.715,6.098c5.321,0,10.649-2.033,14.715-6.098C514.033,497.778,514.033,484.596,505.902,476.472z"/></g></g></symbol><symbol id="font-size-icon" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"/><path d="M11.246 15H4.754l-2 5H.6L7 4h2l6.4 16h-2.154l-2-5zm-.8-2L8 6.885 5.554 13h4.892zM21 12.535V12h2v8h-2v-.535a4 4 0 1 1 0-6.93zM19 18a2 2 0 1 0 0-4 2 2 0 0 0 0 4z"/></symbol><symbol id="add-icon" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"/><path d="M11 11V5h2v6h6v2h-6v6h-2v-6H5v-2z"/></symbol><symbol id="minus-icon" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"/><path d="M5 11h14v2H5z"/></symbol><symbol id="dark-theme-icon" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"/><path d="M10 7a7 7 0 0 0 12 4.9v.1c0 5.523-4.477 10-10 10S2 17.523 2 12 6.477 2 12 2h.1A6.979 6.979 0 0 0 10 7zm-6 5a8 8 0 0 0 15.062 3.762A9 9 0 0 1 8.238 4.938 7.999 7.999 0 0 0 4 12z"/></symbol><symbol id="light-theme-icon" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"/><path d="M12 18a6 6 0 1 1 0-12 6 6 0 0 1 0 12zm0-2a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM11 1h2v3h-2V1zm0 19h2v3h-2v-3zM3.515 4.929l1.414-1.414L7.05 5.636 5.636 7.05 3.515 4.93zM16.95 18.364l1.414-1.414 2.121 2.121-1.414 1.414-2.121-2.121zm2.121-14.85l1.414 1.415-2.121 2.121-1.414-1.414 2.121-2.121zM5.636 16.95l1.414 1.414-2.121 2.121-1.414-1.414 2.121-2.121zM23 11v2h-3v-2h3zM4 11v2H1v-2h3z"/></symbol><symbol id="reset-icon" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"/><path d="M18.537 19.567A9.961 9.961 0 0 1 12 22C6.477 22 2 17.523 2 12S6.477 2 12 2s10 4.477 10 10c0 2.136-.67 4.116-1.81 5.74L17 12h3a8 8 0 1 0-2.46 5.772l.997 1.795z"/></symbol><symbol id="down-icon" viewBox="0 0 16 16"><path fill-rule="evenodd" clip-rule="evenodd" d="M12.7803 6.21967C13.0732 6.51256 13.0732 6.98744 12.7803 7.28033L8.53033 11.5303C8.23744 11.8232 7.76256 11.8232 7.46967 11.5303L3.21967 7.28033C2.92678 6.98744 2.92678 6.51256 3.21967 6.21967C3.51256 5.92678 3.98744 5.92678 4.28033 6.21967L8 9.93934L11.7197 6.21967C12.0126 5.92678 12.4874 5.92678 12.7803 6.21967Z"></path></symbol><symbol id="codepen-icon" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"/><path d="M16.5 13.202L13 15.535v3.596L19.197 15 16.5 13.202zM14.697 12L12 10.202 9.303 12 12 13.798 14.697 12zM20 10.869L18.303 12 20 13.131V10.87zM19.197 9L13 4.869v3.596l3.5 2.333L19.197 9zM7.5 10.798L11 8.465V4.869L4.803 9 7.5 10.798zM4.803 15L11 19.131v-3.596l-3.5-2.333L4.803 15zM4 13.131L5.697 12 4 10.869v2.262zM2 9a1 1 0 0 1 .445-.832l9-6a1 1 0 0 1 1.11 0l9 6A1 1 0 0 1 22 9v6a1 1 0 0 1-.445.832l-9 6a1 1 0 0 1-1.11 0l-9-6A1 1 0 0 1 2 15V9z"/></symbol><symbol id="close-icon" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"/><path d="M12 10.586l4.95-4.95 1.414 1.414-4.95 4.95 4.95 4.95-1.414 1.414-4.95-4.95-4.95 4.95-1.414-1.414 4.95-4.95-4.95-4.95L7.05 5.636z"/></symbol><symbol id="menu-icon" viewBox="0 0 24 24"><path fill="none" d="M0 0h24v24H0z"/><path d="M3 4h18v2H3V4zm0 7h18v2H3v-2zm0 7h18v2H3v-2z"/></symbol></defs></svg></head><body data-theme="dark"><div class="sidebar-container"><div class="sidebar" id="sidebar"><a href="/" class="sidebar-title sidebar-title-anchor">LittleJS - The Tiny JavaScript Game Engine That Can!</a><div class="sidebar-items-container"><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-classes"><div>Classes</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="Audio.Sound.html">Sound</a></div><div class="sidebar-section-children"><a href="Audio.SoundInstance.html">SoundInstance</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dDistanceJoint.html">Box2dDistanceJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dFrictionJoint.html">Box2dFrictionJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dGearJoint.html">Box2dGearJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dJoint.html">Box2dJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dKinematicObject.html">Box2dKinematicObject</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dMotorJoint.html">Box2dMotorJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dObject.html">Box2dObject</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dPinJoint.html">Box2dPinJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dPlugin.html">Box2dPlugin</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dPrismaticJoint.html">Box2dPrismaticJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dPulleyJoint.html">Box2dPulleyJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dRevoluteJoint.html">Box2dRevoluteJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dRopeJoint.html">Box2dRopeJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dStaticObject.html">Box2dStaticObject</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dTargetJoint.html">Box2dTargetJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dTileLayer.html">Box2dTileLayer</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dWeldJoint.html">Box2dWeldJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dWheelJoint.html">Box2dWheelJoint</a></div><div class="sidebar-section-children"><a href="Box2dRaycastResult.html">Box2dRaycastResult</a></div><div class="sidebar-section-children"><a href="Draw.FontImage.html">FontImage</a></div><div class="sidebar-section-children"><a href="Draw.TextureInfo.html">TextureInfo</a></div><div class="sidebar-section-children"><a href="Draw.TileInfo.html">TileInfo</a></div><div class="sidebar-section-children"><a href="Engine.Color.html">Color</a></div><div class="sidebar-section-children"><a href="Engine.EngineObject.html">EngineObject</a></div><div class="sidebar-section-children"><a href="Engine.RandomGenerator.html">RandomGenerator</a></div><div class="sidebar-section-children"><a href="Engine.Timer.html">Timer</a></div><div class="sidebar-section-children"><a href="Engine.Vector2.html">Vector2</a></div><div class="sidebar-section-children"><a href="Medals.Medal.html">Medal</a></div><div class="sidebar-section-children"><a href="Newgrounds.NewgroundsMedal.html">NewgroundsMedal</a></div><div class="sidebar-section-children"><a href="Newgrounds.NewgroundsPlugin.html">NewgroundsPlugin</a></div><div class="sidebar-section-children"><a href="Particles.Particle.html">Particle</a></div><div class="sidebar-section-children"><a href="Particles.ParticleEmitter.html">ParticleEmitter</a></div><div class="sidebar-section-children"><a href="PostProcess.PostProcessPlugin.html">PostProcessPlugin</a></div><div class="sidebar-section-children"><a href="TileLayers.CanvasLayer.html">CanvasLayer</a></div><div class="sidebar-section-children"><a href="TileLayers.TileCollisionLayer.html">TileCollisionLayer</a></div><div class="sidebar-section-children"><a href="TileLayers.TileLayer.html">TileLayer</a></div><div class="sidebar-section-children"><a href="TileLayers.TileLayerData.html">TileLayerData</a></div><div class="sidebar-section-children"><a href="UISystem.UIButton.html">UIButton</a></div><div class="sidebar-section-children"><a href="UISystem.UICheckbox.html">UICheckbox</a></div><div class="sidebar-section-children"><a href="UISystem.UIObject.html">UIObject</a></div><div class="sidebar-section-children"><a href="UISystem.UIScrollbar.html">UIScrollbar</a></div><div class="sidebar-section-children"><a href="UISystem.UISystemPlugin.html">UISystemPlugin</a></div><div class="sidebar-section-children"><a href="UISystem.UIText.html">UIText</a></div><div class="sidebar-section-children"><a href="UISystem.UITile.html">UITile</a></div><div class="sidebar-section-children"><a href="UISystem.UIVideo.html">UIVideo</a></div><div class="sidebar-section-children"><a href="ZzFXM.ZzFXMusic.html">ZzFXMusic</a></div></div><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-namespaces"><div>Namespaces</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="Audio.html">Audio</a></div><div class="sidebar-section-children"><a href="Box2D.html">Box2D</a></div><div class="sidebar-section-children"><a href="Debug.html">Debug</a></div><div class="sidebar-section-children"><a href="Draw.html">Draw</a></div><div class="sidebar-section-children"><a href="DrawUtilities.html">DrawUtilities</a></div><div class="sidebar-section-children"><a href="Engine.html">Engine</a></div><div class="sidebar-section-children"><a href="Input.html">Input</a></div><div class="sidebar-section-children"><a href="Math.html">Math</a></div><div class="sidebar-section-children"><a href="Medals.html">Medals</a></div><div class="sidebar-section-children"><a href="Newgrounds.html">Newgrounds</a></div><div class="sidebar-section-children"><a href="Particles.html">Particles</a></div><div class="sidebar-section-children"><a href="PostProcess.html">PostProcess</a></div><div class="sidebar-section-children"><a href="Random.html">Random</a></div><div class="sidebar-section-children"><a href="Settings.html">Settings</a></div><div class="sidebar-section-children"><a href="TileLayers.html">TileLayers</a></div><div class="sidebar-section-children"><a href="UISystem.html">UISystem</a></div><div class="sidebar-section-children"><a href="Utilities.html">Utilities</a></div><div class="sidebar-section-children"><a href="WebGL.html">WebGL</a></div><div class="sidebar-section-children"><a href="ZzFXM.html">ZzFXM</a></div></div></div></div></div><div class="navbar-container" id="VuAckcnZhf"><nav class="navbar"><div class="navbar-left-items"><div class="navbar-item"><a id="" href="https://github.com/KilledByAPixel/LittleJS" target="_blank">GitHub</a></div><div class="navbar-item"><a id="" href="https://killedbyapixel.github.io/LittleJS/examples/" target="_blank">Examples</a></div><div class="navbar-item"><a id="" href="https://github.com/KilledByAPixel/LittleJS/blob/main/FAQ.md" target="_blank">FAQ</a></div></div><div class="navbar-right-items"><div class="navbar-right-item"><button class="icon-button search-button" aria-label="open-search"><svg><use xlink:href="#search-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button theme-toggle" aria-label="toggle-theme"><svg><use class="theme-svg-use" xlink:href="#light-theme-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button font-size" aria-label="change-font-size"><svg><use xlink:href="#font-size-icon"></use></svg></button></div></div><nav></nav></nav></div><div class="toc-container"><div class="toc-content"><span class="bold">On this page</span><div id="eed4d2a0bfd64539bb9df78095dec881"></div></div></div><div class="body-wrapper"><div class="main-content"><div class="main-wrapper"><section id="source-page" class="source-page"><header><h1 id="title" class="has-anchor">plugins_zzfxm.js</h1></header><article><pre class="prettyprint source lang-js"><code>/**
* LittleJS ZzFXM Plugin
* @namespace ZzFXM
*/
'use strict';
/**
* Music Object - Stores a zzfx music track for later use
*
* <a href=https://keithclark.github.io/ZzFXM/>Create music with the ZzFXM tracker.</a>
* @extends Sound
* @memberof ZzFXM
* @example
* // create some music
* const music_example = new Music(
* [
* [ // instruments
* [,0,400] // simple note
* ],
* [ // patterns
* [ // pattern 1
* [ // channel 0
* 0, -1, // instrument 0, left speaker
* 1, 0, 9, 1 // channel notes
* ],
* [ // channel 1
* 0, 1, // instrument 0, right speaker
* 0, 12, 17, -1 // channel notes
* ]
* ],
* ],
* [0, 0, 0, 0], // sequence, play pattern 0 four times
* 90 // BPM
* ]);
*
* // play the music
* music_example.play();
*/
class ZzFXMusic extends Sound
{
/** Create a music object and cache the zzfx music samples for later use
* @param {[Array, Array, Array, number]} zzfxMusic - Array of zzfx music parameters
*/
constructor(zzfxMusic)
{
super(undefined);
if (!soundEnable || headlessMode) return;
this.randomness = 0;
this.sampleChannels = zzfxM(...zzfxMusic);
this.sampleRate = audioDefaultSampleRate;
}
/** Play the music that loops by default
* @param {number} [volume] - Volume to play the music at
* @param {boolean} [loop] - Should the music loop?
* @return {SoundInstance} - The sound instance
*/
playMusic(volume=1, loop=true)
{ return super.play(undefined, volume, 1, 0, loop); }
}
///////////////////////////////////////////////////////////////////////////////
// ZzFX Music Renderer v2.0.3 by Keith Clark and Frank Force
/** Generate samples for a ZzFM song with given parameters
* @param {Array} instruments - Array of ZzFX sound parameters
* @param {Array} patterns - Array of pattern data
* @param {Array} sequence - Array of pattern indexes
* @param {number} [BPM] - Playback speed of the song in BPM
* @return {Array} - Left and right channel sample data
* @memberof ZzFXM */
function zzfxM(instruments, patterns, sequence, BPM = 125)
{
let i, j, k;
let instrumentParameters;
let note;
let sample;
let patternChannel;
let notFirstBeat;
let stop;
let instrument;
let attenuation;
let outSampleOffset;
let isSequenceEnd;
let sampleOffset = 0;
let nextSampleOffset;
let sampleBuffer = [];
let leftChannelBuffer = [];
let rightChannelBuffer = [];
let channelIndex = 0;
let panning = 0;
let hasMore = 1;
let sampleCache = {};
let beatLength = audioDefaultSampleRate / BPM * 60 >> 2;
// for each channel in order until there are no more
for (; hasMore; channelIndex++) {
// reset current values
sampleBuffer = [hasMore = notFirstBeat = outSampleOffset = 0];
// for each pattern in sequence
sequence.forEach((patternIndex, sequenceIndex)=> {
// get pattern for current channel, use empty 1 note pattern if none found
patternChannel = patterns[patternIndex][channelIndex] || [0, 0, 0];
// check if there are more channels
hasMore |= patterns[patternIndex][channelIndex]&&1;
// get next offset, use the length of first channel
nextSampleOffset = outSampleOffset + (patterns[patternIndex][0].length - 2 - (notFirstBeat?0:1)) * beatLength;
// for each beat in pattern, plus one extra if end of sequence
isSequenceEnd = sequenceIndex === sequence.length - 1;
for (i = 2, k = outSampleOffset; i < patternChannel.length + isSequenceEnd; notFirstBeat = ++i) {
// <channel-note>
note = patternChannel[i];
// stop if end, different instrument or new note
stop = i === patternChannel.length + isSequenceEnd - 1 && isSequenceEnd ||
instrument !== (patternChannel[0] || 0) || note | 0;
// fill buffer with samples for previous beat, most cpu intensive part
for (j = 0; j < beatLength && notFirstBeat;
// fade off attenuation at end of beat if stopping note, prevents clicking
j++ > beatLength - 99 && stop && attenuation < 1? attenuation += 1 / 99 : 0
) {
// copy sample to stereo buffers with panning
sample = (1 - attenuation) * sampleBuffer[sampleOffset++] / 2 || 0;
leftChannelBuffer[k] = (leftChannelBuffer[k] || 0) - sample * panning + sample;
rightChannelBuffer[k] = (rightChannelBuffer[k++] || 0) + sample * panning + sample;
}
// set up for next note
if (note) {
// set attenuation
attenuation = note % 1;
panning = patternChannel[1] || 0;
if (note |= 0) {
// get cached sample
sampleBuffer = sampleCache[
[
instrument = patternChannel[sampleOffset = 0] || 0,
note
]
] = sampleCache[[instrument, note]] || (
// add sample to cache
instrumentParameters = [...instruments[instrument]],
instrumentParameters[2] = (instrumentParameters[2] || 220) * 2**(note / 12 - 1),
// allow negative values to stop notes
note > 0 ? zzfxG(...instrumentParameters) : []
);
}
}
}
// update the sample offset
outSampleOffset = nextSampleOffset;
});
}
return [leftChannelBuffer, rightChannelBuffer];
}</code></pre></article></section><footer class="footer" id="PeOAagUepe"><div class="wrapper"><a href="https://github.com/KilledByAPixel/LittleJS">LittleJS - MIT License - Copyright 2021 Frank Force</a></div></footer></div></div></div><div class="search-container" id="PkfLWpAbet" style="display:none"><div class="wrapper" id="iCxFxjkHbP"><button class="icon-button search-close-button" id="VjLlGakifb" aria-label="close search"><svg><use xlink:href="#close-icon"></use></svg></button><div class="search-box-c"><svg><use xlink:href="#search-icon"></use></svg> <input type="text" id="vpcKVYIppa" class="search-input" placeholder="Search..." autofocus></div><div class="search-result-c" id="fWwVHRuDuN"><span class="search-result-c-text">Type anything to view search result</span></div></div></div><div class="mobile-menu-icon-container"><button class="icon-button" id="mobile-menu" data-isopen="false" aria-label="menu"><svg><use xlink:href="#menu-icon"></use></svg></button></div><div id="mobile-sidebar" class="mobile-sidebar-container"><div class="mobile-sidebar-wrapper"><a href="/" class="sidebar-title sidebar-title-anchor">LittleJS - The Tiny JavaScript Game Engine That Can!</a><div class="mobile-nav-links"><div class="navbar-item"><a id="" href="https://github.com/KilledByAPixel/LittleJS" target="_blank">GitHub</a></div><div class="navbar-item"><a id="" href="https://killedbyapixel.github.io/LittleJS/examples/" target="_blank">Examples</a></div><div class="navbar-item"><a id="" href="https://github.com/KilledByAPixel/LittleJS/blob/main/FAQ.md" target="_blank">FAQ</a></div></div><div class="mobile-sidebar-items-c"><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-classes"><div>Classes</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="Audio.Sound.html">Sound</a></div><div class="sidebar-section-children"><a href="Audio.SoundInstance.html">SoundInstance</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dDistanceJoint.html">Box2dDistanceJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dFrictionJoint.html">Box2dFrictionJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dGearJoint.html">Box2dGearJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dJoint.html">Box2dJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dKinematicObject.html">Box2dKinematicObject</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dMotorJoint.html">Box2dMotorJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dObject.html">Box2dObject</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dPinJoint.html">Box2dPinJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dPlugin.html">Box2dPlugin</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dPrismaticJoint.html">Box2dPrismaticJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dPulleyJoint.html">Box2dPulleyJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dRevoluteJoint.html">Box2dRevoluteJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dRopeJoint.html">Box2dRopeJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dStaticObject.html">Box2dStaticObject</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dTargetJoint.html">Box2dTargetJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dTileLayer.html">Box2dTileLayer</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dWeldJoint.html">Box2dWeldJoint</a></div><div class="sidebar-section-children"><a href="Box2D.Box2dWheelJoint.html">Box2dWheelJoint</a></div><div class="sidebar-section-children"><a href="Box2dRaycastResult.html">Box2dRaycastResult</a></div><div class="sidebar-section-children"><a href="Draw.FontImage.html">FontImage</a></div><div class="sidebar-section-children"><a href="Draw.TextureInfo.html">TextureInfo</a></div><div class="sidebar-section-children"><a href="Draw.TileInfo.html">TileInfo</a></div><div class="sidebar-section-children"><a href="Engine.Color.html">Color</a></div><div class="sidebar-section-children"><a href="Engine.EngineObject.html">EngineObject</a></div><div class="sidebar-section-children"><a href="Engine.RandomGenerator.html">RandomGenerator</a></div><div class="sidebar-section-children"><a href="Engine.Timer.html">Timer</a></div><div class="sidebar-section-children"><a href="Engine.Vector2.html">Vector2</a></div><div class="sidebar-section-children"><a href="Medals.Medal.html">Medal</a></div><div class="sidebar-section-children"><a href="Newgrounds.NewgroundsMedal.html">NewgroundsMedal</a></div><div class="sidebar-section-children"><a href="Newgrounds.NewgroundsPlugin.html">NewgroundsPlugin</a></div><div class="sidebar-section-children"><a href="Particles.Particle.html">Particle</a></div><div class="sidebar-section-children"><a href="Particles.ParticleEmitter.html">ParticleEmitter</a></div><div class="sidebar-section-children"><a href="PostProcess.PostProcessPlugin.html">PostProcessPlugin</a></div><div class="sidebar-section-children"><a href="TileLayers.CanvasLayer.html">CanvasLayer</a></div><div class="sidebar-section-children"><a href="TileLayers.TileCollisionLayer.html">TileCollisionLayer</a></div><div class="sidebar-section-children"><a href="TileLayers.TileLayer.html">TileLayer</a></div><div class="sidebar-section-children"><a href="TileLayers.TileLayerData.html">TileLayerData</a></div><div class="sidebar-section-children"><a href="UISystem.UIButton.html">UIButton</a></div><div class="sidebar-section-children"><a href="UISystem.UICheckbox.html">UICheckbox</a></div><div class="sidebar-section-children"><a href="UISystem.UIObject.html">UIObject</a></div><div class="sidebar-section-children"><a href="UISystem.UIScrollbar.html">UIScrollbar</a></div><div class="sidebar-section-children"><a href="UISystem.UISystemPlugin.html">UISystemPlugin</a></div><div class="sidebar-section-children"><a href="UISystem.UIText.html">UIText</a></div><div class="sidebar-section-children"><a href="UISystem.UITile.html">UITile</a></div><div class="sidebar-section-children"><a href="UISystem.UIVideo.html">UIVideo</a></div><div class="sidebar-section-children"><a href="ZzFXM.ZzFXMusic.html">ZzFXMusic</a></div></div><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-namespaces"><div>Namespaces</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="Audio.html">Audio</a></div><div class="sidebar-section-children"><a href="Box2D.html">Box2D</a></div><div class="sidebar-section-children"><a href="Debug.html">Debug</a></div><div class="sidebar-section-children"><a href="Draw.html">Draw</a></div><div class="sidebar-section-children"><a href="DrawUtilities.html">DrawUtilities</a></div><div class="sidebar-section-children"><a href="Engine.html">Engine</a></div><div class="sidebar-section-children"><a href="Input.html">Input</a></div><div class="sidebar-section-children"><a href="Math.html">Math</a></div><div class="sidebar-section-children"><a href="Medals.html">Medals</a></div><div class="sidebar-section-children"><a href="Newgrounds.html">Newgrounds</a></div><div class="sidebar-section-children"><a href="Particles.html">Particles</a></div><div class="sidebar-section-children"><a href="PostProcess.html">PostProcess</a></div><div class="sidebar-section-children"><a href="Random.html">Random</a></div><div class="sidebar-section-children"><a href="Settings.html">Settings</a></div><div class="sidebar-section-children"><a href="TileLayers.html">TileLayers</a></div><div class="sidebar-section-children"><a href="UISystem.html">UISystem</a></div><div class="sidebar-section-children"><a href="Utilities.html">Utilities</a></div><div class="sidebar-section-children"><a href="WebGL.html">WebGL</a></div><div class="sidebar-section-children"><a href="ZzFXM.html">ZzFXM</a></div></div></div><div class="mobile-navbar-actions"><div class="navbar-right-item"><button class="icon-button search-button" aria-label="open-search"><svg><use xlink:href="#search-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button theme-toggle" aria-label="toggle-theme"><svg><use class="theme-svg-use" xlink:href="#light-theme-icon"></use></svg></button></div><div class="navbar-right-item"><button class="icon-button font-size" aria-label="change-font-size"><svg><use xlink:href="#font-size-icon"></use></svg></button></div></div></div></div><script type="text/javascript" src="scripts/core.min.js"></script><script src="scripts/search.min.js" defer="defer"></script><script src="scripts/third-party/fuse.js" defer="defer"></script><script type="text/javascript">var tocbotInstance=tocbot.init({tocSelector:"#eed4d2a0bfd64539bb9df78095dec881",contentSelector:".main-content",headingSelector:"h1, h2, h3",hasInnerContainers:!0,scrollContainer:".main-content",headingsOffset:130,onClick:bringLinkToView})</script></body></html>