├── LICENSE
├── README.md
├── index.htm
├── js
├── Stats.js
├── dat.gui.min.js
├── gl-matrix-min.js
├── main.js
└── shader-src.js
└── shader
├── addSource.frag
├── addSource2.frag
├── advectDensityStep.frag
├── advectVelStep.frag
├── fluid.vert
├── renderVolume.frag
├── renderVolume.vert
├── setupPressure.frag
├── showTexture.frag
├── showTexture.vert
├── showTextureRGB.frag
├── solvePressure.frag
└── updateVelocity.frag
/LICENSE:
--------------------------------------------------------------------------------
1 | The MIT License (MIT)
2 |
3 | Copyright (c) 2015 hole
4 |
5 | Permission is hereby granted, free of charge, to any person obtaining a copy
6 | of this software and associated documentation files (the "Software"), to deal
7 | in the Software without restriction, including without limitation the rights
8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 |
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 |
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 |
23 |
--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
1 | # webglSmoke
2 | Realtime smoke simulation & rendering using WebGL.
3 |
4 | Live demo: [http://kagamin.net/hole/smoke/index.htm](http://kagamin.net/hole/smoke/index.htm)
5 |
6 | YouTube: [https://www.youtube.com/watch?v=_ySiP7VCq_Q](https://www.youtube.com/watch?v=_ySiP7VCq_Q)
7 |
8 | 
9 |
10 | ## License
11 |
12 | The MIT License
13 |
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/index.htm:
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1 |
2 |
3 | 3D Smoke Simulation & Rendering
4 |
5 |
6 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
23 |
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/js/Stats.js:
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1 | /**
2 | * @author mrdoob / http://mrdoob.com/
3 | */
4 |
5 | var Stats = function () {
6 |
7 | var now = ( self.performance && self.performance.now ) ? self.performance.now.bind( performance ) : Date.now;
8 |
9 | var startTime = now(), prevTime = startTime;
10 | var frames = 0, mode = 0;
11 |
12 | function createElement( tag, id, css ) {
13 |
14 | var element = document.createElement( tag );
15 | element.id = id;
16 | element.style.cssText = css;
17 | return element;
18 |
19 | }
20 |
21 | function createPanel( id, fg, bg ) {
22 |
23 | var div = createElement( 'div', id, 'padding:0 0 3px 3px;text-align:left;background:' + bg );
24 |
25 | var text = createElement( 'div', id + 'Text', 'font-family:Helvetica,Arial,sans-serif;font-size:9px;font-weight:bold;line-height:15px;color:' + fg );
26 | text.innerHTML = id.toUpperCase();
27 | div.appendChild( text );
28 |
29 | var graph = createElement( 'div', id + 'Graph', 'width:74px;height:30px;background:' + fg );
30 | div.appendChild( graph );
31 |
32 | for ( var i = 0; i < 74; i ++ ) {
33 |
34 | graph.appendChild( createElement( 'span', '', 'width:1px;height:30px;float:left;opacity:0.9;background:' + bg ) );
35 |
36 | }
37 |
38 | return div;
39 |
40 | }
41 |
42 | function setMode( value ) {
43 |
44 | var children = container.children;
45 |
46 | for ( var i = 0; i < children.length; i ++ ) {
47 |
48 | children[ i ].style.display = i === value ? 'block' : 'none';
49 |
50 | }
51 |
52 | mode = value;
53 |
54 | }
55 |
56 | function updateGraph( dom, value ) {
57 |
58 | var child = dom.appendChild( dom.firstChild );
59 | child.style.height = Math.min( 30, 30 - value * 30 ) + 'px';
60 |
61 | }
62 |
63 | //
64 |
65 | var container = createElement( 'div', 'stats', 'width:80px;opacity:0.9;cursor:pointer' );
66 | container.addEventListener( 'mousedown', function ( event ) {
67 |
68 | event.preventDefault();
69 | setMode( ++ mode % container.children.length );
70 |
71 | }, false );
72 |
73 | // FPS
74 |
75 | var fps = 0, fpsMin = Infinity, fpsMax = 0;
76 |
77 | var fpsDiv = createPanel( 'fps', '#0ff', '#002' );
78 | var fpsText = fpsDiv.children[ 0 ];
79 | var fpsGraph = fpsDiv.children[ 1 ];
80 |
81 | container.appendChild( fpsDiv );
82 |
83 | // MS
84 |
85 | var ms = 0, msMin = Infinity, msMax = 0;
86 |
87 | var msDiv = createPanel( 'ms', '#0f0', '#020' );
88 | var msText = msDiv.children[ 0 ];
89 | var msGraph = msDiv.children[ 1 ];
90 |
91 | container.appendChild( msDiv );
92 |
93 | // MEM
94 |
95 | if ( self.performance && self.performance.memory ) {
96 |
97 | var mem = 0, memMin = Infinity, memMax = 0;
98 |
99 | var memDiv = createPanel( 'mb', '#f08', '#201' );
100 | var memText = memDiv.children[ 0 ];
101 | var memGraph = memDiv.children[ 1 ];
102 |
103 | container.appendChild( memDiv );
104 |
105 | }
106 |
107 | //
108 |
109 | setMode( mode );
110 |
111 | return {
112 |
113 | REVISION: 14,
114 |
115 | domElement: container,
116 |
117 | setMode: setMode,
118 |
119 | begin: function () {
120 |
121 | startTime = now();
122 |
123 | },
124 |
125 | end: function () {
126 |
127 | var time = now();
128 |
129 | ms = time - startTime;
130 | msMin = Math.min( msMin, ms );
131 | msMax = Math.max( msMax, ms );
132 |
133 | msText.textContent = ( ms | 0 ) + ' MS (' + ( msMin | 0 ) + '-' + ( msMax | 0 ) + ')';
134 | updateGraph( msGraph, ms / 200 );
135 |
136 | frames ++;
137 |
138 | if ( time > prevTime + 1000 ) {
139 |
140 | fps = Math.round( ( frames * 1000 ) / ( time - prevTime ) );
141 | fpsMin = Math.min( fpsMin, fps );
142 | fpsMax = Math.max( fpsMax, fps );
143 |
144 | fpsText.textContent = fps + ' FPS (' + fpsMin + '-' + fpsMax + ')';
145 | updateGraph( fpsGraph, fps / 100 );
146 |
147 | prevTime = time;
148 | frames = 0;
149 |
150 | if ( mem !== undefined ) {
151 |
152 | var heapSize = performance.memory.usedJSHeapSize;
153 | var heapSizeLimit = performance.memory.jsHeapSizeLimit;
154 |
155 | mem = Math.round( heapSize * 0.000000954 );
156 | memMin = Math.min( memMin, mem );
157 | memMax = Math.max( memMax, mem );
158 |
159 | memText.textContent = mem + ' MB (' + memMin + '-' + memMax + ')';
160 | updateGraph( memGraph, heapSize / heapSizeLimit );
161 |
162 | }
163 |
164 | }
165 |
166 | return time;
167 |
168 | },
169 |
170 | update: function () {
171 |
172 | startTime = this.end();
173 |
174 | }
175 |
176 | }
177 |
178 | };
179 |
180 | if ( typeof module === 'object' ) {
181 |
182 | module.exports = Stats;
183 |
184 | }
185 |
--------------------------------------------------------------------------------
/js/dat.gui.min.js:
--------------------------------------------------------------------------------
1 | /**
2 | * dat-gui JavaScript Controller Library
3 | * http://code.google.com/p/dat-gui
4 | *
5 | * Copyright 2011 Data Arts Team, Google Creative Lab
6 | *
7 | * Licensed under the Apache License, Version 2.0 (the "License");
8 | * you may not use this file except in compliance with the License.
9 | * You may obtain a copy of the License at
10 | *
11 | * http://www.apache.org/licenses/LICENSE-2.0
12 | */
13 | var dat=dat||{};dat.gui=dat.gui||{};dat.utils=dat.utils||{};dat.controllers=dat.controllers||{};dat.dom=dat.dom||{};dat.color=dat.color||{};dat.utils.css=function(){return{load:function(f,a){a=a||document;var d=a.createElement("link");d.type="text/css";d.rel="stylesheet";d.href=f;a.getElementsByTagName("head")[0].appendChild(d)},inject:function(f,a){a=a||document;var d=document.createElement("style");d.type="text/css";d.innerHTML=f;a.getElementsByTagName("head")[0].appendChild(d)}}}();
14 | dat.utils.common=function(){var f=Array.prototype.forEach,a=Array.prototype.slice;return{BREAK:{},extend:function(d){this.each(a.call(arguments,1),function(a){for(var c in a)this.isUndefined(a[c])||(d[c]=a[c])},this);return d},defaults:function(d){this.each(a.call(arguments,1),function(a){for(var c in a)this.isUndefined(d[c])&&(d[c]=a[c])},this);return d},compose:function(){var d=a.call(arguments);return function(){for(var e=a.call(arguments),c=d.length-1;0<=c;c--)e=[d[c].apply(this,e)];return e[0]}},
15 | each:function(a,e,c){if(a)if(f&&a.forEach&&a.forEach===f)a.forEach(e,c);else if(a.length===a.length+0)for(var b=0,p=a.length;bthis.__max&&(a=this.__max);void 0!==this.__step&&0!=a%this.__step&&(a=Math.round(a/this.__step)*this.__step);return e.superclass.prototype.setValue.call(this,a)},min:function(a){this.__min=a;return this},max:function(a){this.__max=a;return this},step:function(a){this.__impliedStep=this.__step=a;this.__precision=d(a);return this}});return e}(dat.controllers.Controller,dat.utils.common);
29 | dat.controllers.NumberControllerBox=function(f,a,d){var e=function(c,b,f){function q(){var a=parseFloat(n.__input.value);d.isNaN(a)||n.setValue(a)}function l(a){var b=u-a.clientY;n.setValue(n.getValue()+b*n.__impliedStep);u=a.clientY}function r(){a.unbind(window,"mousemove",l);a.unbind(window,"mouseup",r)}this.__truncationSuspended=!1;e.superclass.call(this,c,b,f);var n=this,u;this.__input=document.createElement("input");this.__input.setAttribute("type","text");a.bind(this.__input,"change",q);a.bind(this.__input,
30 | "blur",function(){q();n.__onFinishChange&&n.__onFinishChange.call(n,n.getValue())});a.bind(this.__input,"mousedown",function(b){a.bind(window,"mousemove",l);a.bind(window,"mouseup",r);u=b.clientY});a.bind(this.__input,"keydown",function(a){13===a.keyCode&&(n.__truncationSuspended=!0,this.blur(),n.__truncationSuspended=!1)});this.updateDisplay();this.domElement.appendChild(this.__input)};e.superclass=f;d.extend(e.prototype,f.prototype,{updateDisplay:function(){var a=this.__input,b;if(this.__truncationSuspended)b=
31 | this.getValue();else{b=this.getValue();var d=Math.pow(10,this.__precision);b=Math.round(b*d)/d}a.value=b;return e.superclass.prototype.updateDisplay.call(this)}});return e}(dat.controllers.NumberController,dat.dom.dom,dat.utils.common);
32 | dat.controllers.NumberControllerSlider=function(f,a,d,e,c){function b(a,b,c,e,d){return e+(a-b)/(c-b)*(d-e)}var p=function(c,e,d,f,u){function A(c){c.preventDefault();var e=a.getOffset(k.__background),d=a.getWidth(k.__background);k.setValue(b(c.clientX,e.left,e.left+d,k.__min,k.__max));return!1}function g(){a.unbind(window,"mousemove",A);a.unbind(window,"mouseup",g);k.__onFinishChange&&k.__onFinishChange.call(k,k.getValue())}p.superclass.call(this,c,e,{min:d,max:f,step:u});var k=this;this.__background=
33 | document.createElement("div");this.__foreground=document.createElement("div");a.bind(this.__background,"mousedown",function(b){a.bind(window,"mousemove",A);a.bind(window,"mouseup",g);A(b)});a.addClass(this.__background,"slider");a.addClass(this.__foreground,"slider-fg");this.updateDisplay();this.__background.appendChild(this.__foreground);this.domElement.appendChild(this.__background)};p.superclass=f;p.useDefaultStyles=function(){d.inject(c)};e.extend(p.prototype,f.prototype,{updateDisplay:function(){var a=
34 | (this.getValue()-this.__min)/(this.__max-this.__min);this.__foreground.style.width=100*a+"%";return p.superclass.prototype.updateDisplay.call(this)}});return p}(dat.controllers.NumberController,dat.dom.dom,dat.utils.css,dat.utils.common,"/**\n * dat-gui JavaScript Controller Library\n * http://code.google.com/p/dat-gui\n *\n * Copyright 2011 Data Arts Team, Google Creative Lab\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n */\n\n.slider {\n box-shadow: inset 0 2px 4px rgba(0,0,0,0.15);\n height: 1em;\n border-radius: 1em;\n background-color: #eee;\n padding: 0 0.5em;\n overflow: hidden;\n}\n\n.slider-fg {\n padding: 1px 0 2px 0;\n background-color: #aaa;\n height: 1em;\n margin-left: -0.5em;\n padding-right: 0.5em;\n border-radius: 1em 0 0 1em;\n}\n\n.slider-fg:after {\n display: inline-block;\n border-radius: 1em;\n background-color: #fff;\n border: 1px solid #aaa;\n content: '';\n float: right;\n margin-right: -1em;\n margin-top: -1px;\n height: 0.9em;\n width: 0.9em;\n}");
35 | dat.controllers.FunctionController=function(f,a,d){var e=function(c,b,d){e.superclass.call(this,c,b);var f=this;this.__button=document.createElement("div");this.__button.innerHTML=void 0===d?"Fire":d;a.bind(this.__button,"click",function(a){a.preventDefault();f.fire();return!1});a.addClass(this.__button,"button");this.domElement.appendChild(this.__button)};e.superclass=f;d.extend(e.prototype,f.prototype,{fire:function(){this.__onChange&&this.__onChange.call(this);this.getValue().call(this.object);
36 | this.__onFinishChange&&this.__onFinishChange.call(this,this.getValue())}});return e}(dat.controllers.Controller,dat.dom.dom,dat.utils.common);
37 | dat.controllers.BooleanController=function(f,a,d){var e=function(c,b){e.superclass.call(this,c,b);var d=this;this.__prev=this.getValue();this.__checkbox=document.createElement("input");this.__checkbox.setAttribute("type","checkbox");a.bind(this.__checkbox,"change",function(){d.setValue(!d.__prev)},!1);this.domElement.appendChild(this.__checkbox);this.updateDisplay()};e.superclass=f;d.extend(e.prototype,f.prototype,{setValue:function(a){a=e.superclass.prototype.setValue.call(this,a);this.__onFinishChange&&
38 | this.__onFinishChange.call(this,this.getValue());this.__prev=this.getValue();return a},updateDisplay:function(){!0===this.getValue()?(this.__checkbox.setAttribute("checked","checked"),this.__checkbox.checked=!0):this.__checkbox.checked=!1;return e.superclass.prototype.updateDisplay.call(this)}});return e}(dat.controllers.Controller,dat.dom.dom,dat.utils.common);
39 | dat.color.toString=function(f){return function(a){if(1==a.a||f.isUndefined(a.a)){for(a=a.hex.toString(16);6>a.length;)a="0"+a;return"#"+a}return"rgba("+Math.round(a.r)+","+Math.round(a.g)+","+Math.round(a.b)+","+a.a+")"}}(dat.utils.common);
40 | dat.color.interpret=function(f,a){var d,e,c=[{litmus:a.isString,conversions:{THREE_CHAR_HEX:{read:function(a){a=a.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);return null===a?!1:{space:"HEX",hex:parseInt("0x"+a[1].toString()+a[1].toString()+a[2].toString()+a[2].toString()+a[3].toString()+a[3].toString())}},write:f},SIX_CHAR_HEX:{read:function(a){a=a.match(/^#([A-F0-9]{6})$/i);return null===a?!1:{space:"HEX",hex:parseInt("0x"+a[1].toString())}},write:f},CSS_RGB:{read:function(a){a=a.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/);
41 | return null===a?!1:{space:"RGB",r:parseFloat(a[1]),g:parseFloat(a[2]),b:parseFloat(a[3])}},write:f},CSS_RGBA:{read:function(a){a=a.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/);return null===a?!1:{space:"RGB",r:parseFloat(a[1]),g:parseFloat(a[2]),b:parseFloat(a[3]),a:parseFloat(a[4])}},write:f}}},{litmus:a.isNumber,conversions:{HEX:{read:function(a){return{space:"HEX",hex:a,conversionName:"HEX"}},write:function(a){return a.hex}}}},{litmus:a.isArray,conversions:{RGB_ARRAY:{read:function(a){return 3!=
42 | a.length?!1:{space:"RGB",r:a[0],g:a[1],b:a[2]}},write:function(a){return[a.r,a.g,a.b]}},RGBA_ARRAY:{read:function(a){return 4!=a.length?!1:{space:"RGB",r:a[0],g:a[1],b:a[2],a:a[3]}},write:function(a){return[a.r,a.g,a.b,a.a]}}}},{litmus:a.isObject,conversions:{RGBA_OBJ:{read:function(b){return a.isNumber(b.r)&&a.isNumber(b.g)&&a.isNumber(b.b)&&a.isNumber(b.a)?{space:"RGB",r:b.r,g:b.g,b:b.b,a:b.a}:!1},write:function(a){return{r:a.r,g:a.g,b:a.b,a:a.a}}},RGB_OBJ:{read:function(b){return a.isNumber(b.r)&&
43 | a.isNumber(b.g)&&a.isNumber(b.b)?{space:"RGB",r:b.r,g:b.g,b:b.b}:!1},write:function(a){return{r:a.r,g:a.g,b:a.b}}},HSVA_OBJ:{read:function(b){return a.isNumber(b.h)&&a.isNumber(b.s)&&a.isNumber(b.v)&&a.isNumber(b.a)?{space:"HSV",h:b.h,s:b.s,v:b.v,a:b.a}:!1},write:function(a){return{h:a.h,s:a.s,v:a.v,a:a.a}}},HSV_OBJ:{read:function(b){return a.isNumber(b.h)&&a.isNumber(b.s)&&a.isNumber(b.v)?{space:"HSV",h:b.h,s:b.s,v:b.v}:!1},write:function(a){return{h:a.h,s:a.s,v:a.v}}}}}];return function(){e=!1;
44 | var b=1\n\n Here\'s the new load parameter for your GUI\'s constructor:\n\n \n\n
\n\n Automatically save\n values to localStorage on exit.\n\n
The values saved to localStorage will\n override those passed to dat.GUI\'s constructor. This makes it\n easier to work incrementally, but localStorage is fragile,\n and your friends may not see the same values you do.\n \n