├── .gitignore ├── textures ├── blank50.png ├── blank75.png ├── checker1.png ├── checker2.png ├── checker2g.png ├── bunny_100x.png └── bunny_fill_100x.png ├── shaders ├── vol-vs.glsl └── vol-fs.glsl ├── README.md ├── stitching ├── stitch.py └── convert_bunny_RAW_to_PNG.py ├── css ├── reset.css └── index.css ├── index.html ├── LICENSE └── js ├── lib ├── mousetrap.min.js ├── Stats.js ├── dat.gui.min.js └── jquery.min.js └── index.js /.gitignore: -------------------------------------------------------------------------------- 1 | *.sublime-project 2 | *.sublime-workspace 3 | *.kpf -------------------------------------------------------------------------------- /textures/blank50.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nopjia/WebGL-Volumetric/HEAD/textures/blank50.png -------------------------------------------------------------------------------- /textures/blank75.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nopjia/WebGL-Volumetric/HEAD/textures/blank75.png -------------------------------------------------------------------------------- /textures/checker1.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nopjia/WebGL-Volumetric/HEAD/textures/checker1.png -------------------------------------------------------------------------------- /textures/checker2.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nopjia/WebGL-Volumetric/HEAD/textures/checker2.png -------------------------------------------------------------------------------- /textures/checker2g.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nopjia/WebGL-Volumetric/HEAD/textures/checker2g.png -------------------------------------------------------------------------------- /textures/bunny_100x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nopjia/WebGL-Volumetric/HEAD/textures/bunny_100x.png -------------------------------------------------------------------------------- /textures/bunny_fill_100x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nopjia/WebGL-Volumetric/HEAD/textures/bunny_fill_100x.png -------------------------------------------------------------------------------- /shaders/vol-vs.glsl: -------------------------------------------------------------------------------- 1 | #ifdef GL_ES 2 | precision highp float; 3 | #endif 4 | 5 | varying vec2 vUv; 6 | varying vec3 vPos0; 7 | varying vec3 vPos1; 8 | varying vec3 vPos1n; 9 | varying mat4 vObjMatInv; 10 | 11 | void main() 12 | { 13 | vUv = uv; 14 | 15 | gl_Position = projectionMatrix * 16 | modelViewMatrix * 17 | vec4(position,1.0); 18 | 19 | vPos0 = ( objectMatrix * vec4(position, 1.0) ).xyz; 20 | vPos1 = position; 21 | vPos1n = position+vec3(0.5); 22 | 23 | //vObjMatInv = inverse(objectMatrix); 24 | } -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Volumetric Renderer 2 | 3 | Real-time volumetric renderer with physically based lighting 4 | 5 | Volume data is a 3D texture simulated by 2D tiles 6 | (TODO: 2D tiles as square texture) 7 | 8 | Live demo: [iamnop.com/volumetric](http://iamnop.com/volumetric) 9 | 10 | Blog: http://nopjia.blogspot.com/2012/09/webgl-volumetric-renderer.html 11 | 12 | ![screenshot](http://1.bp.blogspot.com/-J8AF4k_lORY/UFviEOpLUqI/AAAAAAAAAt0/ufS-vPZfqT0/s1600/volume-screenshot.png) 13 | 14 | ## License 15 | 16 | The BSD 3-Clause License 17 | 18 | Copyright (c) 2015 [Nop Jiarathanakul](http://iamnop.com/) 19 | -------------------------------------------------------------------------------- /stitching/stitch.py: -------------------------------------------------------------------------------- 1 | import array 2 | from PIL import Image 3 | 4 | SLICES = 361 5 | size = (100, 100, 100) 6 | imout = Image.new("L", (size[0], size[1]*size[2])) 7 | 8 | for i in range(size[2]): 9 | z = i * SLICES/size[2] 10 | 11 | filename = "bunny/"+str(z+1)+".png" 12 | im = Image.open(filename) 13 | im = im.resize((110, 110)) 14 | 15 | region = im.crop((3, 7, 103, 107)) 16 | 17 | box = (0, i*size[1], size[0], (i+1)*size[1]) 18 | imout.paste(region, box) 19 | 20 | print "processed slice "+str(z)+" : "+filename 21 | 22 | imout.save("test.png", "PNG") -------------------------------------------------------------------------------- /stitching/convert_bunny_RAW_to_PNG.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | 3 | import array 4 | from PIL import Image 5 | 6 | size = (512, 512, 361) 7 | #im = Image.new("L", (size[0], size[1]*size[2])) 8 | im = Image.new("L", (size[0], size[1])) 9 | putpix = im.im.putpixel 10 | 11 | for z in range(151, size[2]): 12 | 13 | filename = "bunny/"+str(z+1) 14 | a = array.array("H") 15 | with open(filename, "rb") as f: 16 | a.fromfile(f, size[0]*size[1]) 17 | a.byteswap() 18 | 19 | for y in range(size[1]): 20 | for x in range(size[0]): 21 | val = a[x+y*size[1]] / 16 22 | if val > 255: 23 | val = 0 24 | putpix((x,y), val) 25 | #putpix((x,y+z*size[1]), val) 26 | 27 | 28 | 29 | im.save(filename+".png", "PNG") 30 | 31 | print "processed slice "+str(z)+" : "+filename -------------------------------------------------------------------------------- /css/reset.css: -------------------------------------------------------------------------------- 1 | /* http://meyerweb.com/eric/tools/css/reset/ 2 | v2.0 | 20110126 3 | License: none (public domain) 4 | */ 5 | 6 | html, body, div, span, applet, object, iframe, 7 | h1, h2, h3, h4, h5, h6, p, blockquote, pre, 8 | a, abbr, acronym, address, big, cite, code, 9 | del, dfn, em, img, ins, kbd, q, s, samp, 10 | small, strike, strong, sub, sup, tt, var, 11 | b, u, i, center, 12 | dl, dt, dd, ol, ul, li, 13 | fieldset, form, label, legend, 14 | table, caption, tbody, tfoot, thead, tr, th, td, 15 | article, aside, canvas, details, embed, 16 | figure, figcaption, footer, header, hgroup, 17 | menu, nav, output, ruby, section, summary, 18 | time, mark, audio, video { 19 | margin: 0; 20 | padding: 0; 21 | border: 0; 22 | font-size: 100%; 23 | font: inherit; 24 | vertical-align: baseline; 25 | } 26 | /* HTML5 display-role reset for older browsers */ 27 | article, aside, details, figcaption, figure, 28 | footer, header, hgroup, menu, nav, section { 29 | display: block; 30 | } 31 | body { 32 | line-height: 1; 33 | } 34 | ol, ul { 35 | list-style: none; 36 | } 37 | blockquote, q { 38 | quotes: none; 39 | } 40 | blockquote:before, blockquote:after, 41 | q:before, q:after { 42 | content: ''; 43 | content: none; 44 | } 45 | table { 46 | border-collapse: collapse; 47 | border-spacing: 0; 48 | } -------------------------------------------------------------------------------- /index.html: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 11 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | Volumetric Renderer 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 38 | 39 | 40 | 41 |
42 |
43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | The BSD 3-Clause License 2 | 3 | Copyright (c) 2015, Nop Jiarathanakul 4 | All rights reserved. 5 | 6 | Redistribution and use in source and binary forms, with or without 7 | modification, are permitted provided that the following conditions are met: 8 | 9 | * Redistributions of source code must retain the above copyright notice, this 10 | list of conditions and the following disclaimer. 11 | 12 | * Redistributions in binary form must reproduce the above copyright notice, 13 | this list of conditions and the following disclaimer in the documentation 14 | and/or other materials provided with the distribution. 15 | 16 | * Neither the name of the copyright holder nor the names of its 17 | contributors may be used to endorse or promote products derived from 18 | this software without specific prior written permission. 19 | 20 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 23 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 24 | FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 26 | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 27 | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 28 | OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -------------------------------------------------------------------------------- /css/index.css: -------------------------------------------------------------------------------- 1 | div { 2 | display: block; 3 | position: relative; 4 | } 5 | 6 | #container { 7 | overflow: hidden; 8 | } 9 | #container>canvas { 10 | float: left; 11 | } 12 | 13 | #gui-container { 14 | position: absolute; 15 | bottom: 0; 16 | z-index: 10; 17 | } 18 | 19 | .gradient-bg-cyan-black { 20 | /* IE10 Consumer Preview */ 21 | background-image: -ms-linear-gradient(top, #005C7A 0%, #000000 100%); 22 | 23 | /* Mozilla Firefox */ 24 | background-image: -moz-linear-gradient(top, #005C7A 0%, #000000 100%); 25 | 26 | /* Opera */ 27 | background-image: -o-linear-gradient(top, #005C7A 0%, #000000 100%); 28 | 29 | /* Webkit (Safari/Chrome 10) */ 30 | background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #005C7A), color-stop(1, #000000)); 31 | 32 | /* Webkit (Chrome 11+) */ 33 | background-image: -webkit-linear-gradient(top, #005C7A 0%, #000000 100%); 34 | 35 | /* W3C Markup, IE10 Release Preview */ 36 | background-image: linear-gradient(to bottom, #005C7A 0%, #000000 100%); 37 | } 38 | 39 | .gradient-bg-gray-black { 40 | /* IE10 Consumer Preview */ 41 | background-image: -ms-linear-gradient(top, #666666 0%, #000000 100%); 42 | 43 | /* Mozilla Firefox */ 44 | background-image: -moz-linear-gradient(top, #666666 0%, #000000 100%); 45 | 46 | /* Opera */ 47 | background-image: -o-linear-gradient(top, #666666 0%, #000000 100%); 48 | 49 | /* Webkit (Safari/Chrome 10) */ 50 | background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #666666), color-stop(1, #000000)); 51 | 52 | /* Webkit (Chrome 11+) */ 53 | background-image: -webkit-linear-gradient(top, #666666 0%, #000000 100%); 54 | 55 | /* W3C Markup, IE10 Release Preview */ 56 | background-image: linear-gradient(to bottom, #666666 0%, #000000 100%); 57 | } -------------------------------------------------------------------------------- /js/lib/mousetrap.min.js: -------------------------------------------------------------------------------- 1 | /* mousetrap v1.1.3 craig.is/killing/mice */ 2 | (function(){function p(a,c,b){if(a.addEventListener)return a.addEventListener(c,b,!1);a.attachEvent("on"+c,b)}function v(a){return"keypress"==a.type?String.fromCharCode(a.which):h[a.which]?h[a.which]:w[a.which]?w[a.which]:String.fromCharCode(a.which).toLowerCase()}function q(a){var a=a||{},c=!1,b;for(b in l)a[b]?c=!0:l[b]=0;c||(n=!1)}function x(a,c,b,d,E){var g,e,f=[],i=b.type;if(!k[a])return[];"keyup"==i&&r(a)&&(c=[a]);for(g=0;gd||h.hasOwnProperty(d)&&(o[h[d]]=d)}b=o[a]? 5 | "keydown":"keypress"}"keypress"==b&&c.length&&(b="keydown");return b}function z(a,c,b,d,f){var a=a.replace(/\s+/g," "),g=a.split(" "),e,h,i=[];if(1":".","?":"/","|":"\\"},B={option:"alt",command:"meta","return":"enter",escape:"esc"},o,k={},j={},l={},A,u=!1,n=!1,f=1;20>f;++f)h[111+f]="f"+f;for(f=0;9>=f;++f)h[f+96]=f;p(document,"keypress",t);p(document,"keydown",t);p(document,"keyup",t);var D={bind:function(a,c,b){for(var d=a instanceof Array?a:[a],f=0;f prevTime + 1000 ) { 116 | 117 | fps = Math.round( ( frames * 1000 ) / ( time - prevTime ) ); 118 | fpsMin = Math.min( fpsMin, fps ); 119 | fpsMax = Math.max( fpsMax, fps ); 120 | 121 | fpsText.textContent = fps + ' FPS (' + fpsMin + '-' + fpsMax + ')'; 122 | updateGraph( fpsGraph, Math.min( 30, 30 - ( fps / 100 ) * 30 ) ); 123 | 124 | prevTime = time; 125 | frames = 0; 126 | 127 | } 128 | 129 | return time; 130 | 131 | }, 132 | 133 | update: function () { 134 | 135 | startTime = this.end(); 136 | 137 | } 138 | 139 | } 140 | 141 | }; 142 | -------------------------------------------------------------------------------- /shaders/vol-fs.glsl: -------------------------------------------------------------------------------- 1 | #ifdef GL_ES 2 | precision highp float; 3 | #endif 4 | 5 | //--------------------------------------------------------- 6 | // MACROS 7 | //--------------------------------------------------------- 8 | 9 | #define EPS 0.0001 10 | #define PI 3.14159265 11 | #define HALFPI 1.57079633 12 | #define ROOTTHREE 1.73205081 13 | 14 | #define EQUALS(A,B) ( abs((A)-(B)) < EPS ) 15 | #define EQUALSZERO(A) ( ((A)-EPS) ) 16 | 17 | 18 | //--------------------------------------------------------- 19 | // CONSTANTS 20 | //--------------------------------------------------------- 21 | 22 | // 32 48 64 96 128 23 | #define MAX_STEPS 64 24 | 25 | #define LIGHT_NUM 2 26 | //#define uTMK 20.0 27 | #define TM_MIN 0.05 28 | 29 | 30 | //--------------------------------------------------------- 31 | // SHADER VARS 32 | //--------------------------------------------------------- 33 | 34 | varying vec2 vUv; 35 | varying vec3 vPos0; // position in world coords 36 | varying vec3 vPos1; // position in object coords 37 | varying vec3 vPos1n; // normalized 0 to 1, for texture lookup 38 | 39 | uniform vec3 uOffset; // TESTDEBUG 40 | 41 | uniform vec3 uCamPos; 42 | 43 | uniform vec3 uLightP[LIGHT_NUM]; // point lights 44 | uniform vec3 uLightC[LIGHT_NUM]; 45 | 46 | uniform vec3 uColor; // color of volume 47 | uniform sampler2D uTex; // 3D(2D) volume texture 48 | uniform vec3 uTexDim; // dimensions of texture 49 | 50 | uniform float uTMK; 51 | 52 | float gStepSize; 53 | float gStepFactor; 54 | 55 | 56 | //--------------------------------------------------------- 57 | // PROGRAM 58 | //--------------------------------------------------------- 59 | 60 | // TODO: convert world to local volume space 61 | vec3 toLocal(vec3 p) { 62 | return p + vec3(0.5); 63 | } 64 | 65 | float sampleVolTex(vec3 pos) { 66 | pos = pos + uOffset; // TESTDEBUG 67 | 68 | // note: z is up in 3D tex coords, pos.z is tex.y, pos.y is zSlice 69 | float zSlice = (1.0-pos.y)*(uTexDim.z-1.0); // float value of slice number, slice 0th to 63rd 70 | 71 | // calc pixels from top of texture 72 | float fromTopPixels = 73 | floor(zSlice)*uTexDim.y + // offset pix from top of tex, from upper slice 74 | pos.z*(uTexDim.y-1.0) + // y pos in pixels, range 0th to 63rd pix 75 | 0.5; // offset to center of cell 76 | 77 | // calc y tex coords of two slices 78 | float y0 = min( (fromTopPixels)/(uTexDim.y*uTexDim.z), 1.0); 79 | float y1 = min( (fromTopPixels+uTexDim.y)/(uTexDim.y*uTexDim.z), 1.0); 80 | 81 | // get (bi)linear interped texture reads at two slices 82 | float z0 = texture2D(uTex, vec2(pos.x, y0)).g; 83 | float z1 = texture2D(uTex, vec2(pos.x, y1)).g; 84 | 85 | // lerp them again (thus trilinear), using remaining fraction of zSlice 86 | return mix(z0, z1, fract(zSlice)); 87 | } 88 | 89 | // accumulate density by ray marching 90 | float getDensity(vec3 ro, vec3 rd) { 91 | vec3 step = rd*gStepSize; 92 | vec3 pos = ro; 93 | 94 | float density = 0.0; 95 | 96 | for (int i=0; i 0.95 || 103 | pos.x > 1.0 || pos.x < 0.0 || 104 | pos.y > 1.0 || pos.y < 0.0 || 105 | pos.z > 1.0 || pos.z < 0.0) 106 | break; 107 | } 108 | 109 | return density; 110 | } 111 | 112 | // calc transmittance 113 | float getTransmittance(vec3 ro, vec3 rd) { 114 | vec3 step = rd*gStepSize; 115 | vec3 pos = ro; 116 | 117 | float tm = 1.0; 118 | 119 | for (int i=0; i 1.0 || pos.x < 0.0 || 126 | pos.y > 1.0 || pos.y < 0.0 || 127 | pos.z > 1.0 || pos.z < 0.0) 128 | break; 129 | } 130 | 131 | return tm; 132 | } 133 | 134 | vec4 raymarchNoLight(vec3 ro, vec3 rd) { 135 | vec3 step = rd*gStepSize; 136 | vec3 pos = ro; 137 | 138 | vec3 col = vec3(0.0); 139 | float tm = 1.0; 140 | 141 | for (int i=0; i 1.0 || pos.x < 0.0 || 151 | pos.y > 1.0 || pos.y < 0.0 || 152 | pos.z > 1.0 || pos.z < 0.0) 153 | break; 154 | } 155 | 156 | float alpha = 1.0-tm; 157 | return vec4(col/alpha, alpha); 158 | } 159 | 160 | vec4 raymarchLight(vec3 ro, vec3 rd) { 161 | vec3 step = rd*gStepSize; 162 | vec3 pos = ro; 163 | 164 | 165 | vec3 col = vec3(0.0); // accumulated color 166 | float tm = 1.0; // accumulated transmittance 167 | 168 | for (int i=0; i 1.0 || pos.x < 0.0 || 185 | pos.y > 1.0 || pos.y < 0.0 || 186 | pos.z > 1.0 || pos.z < 0.0) 187 | break; 188 | } 189 | 190 | float alpha = 1.0-tm; 191 | return vec4(col/alpha, alpha); 192 | } 193 | 194 | void main() { 195 | // in world coords, just for now 196 | vec3 ro = vPos1n; 197 | vec3 rd = normalize( ro - toLocal(uCamPos) ); 198 | //vec3 rd = normalize(ro-uCamPos); 199 | 200 | // step_size = root_three / max_steps ; to get through diagonal 201 | gStepSize = ROOTTHREE / float(MAX_STEPS); 202 | gStepFactor = 32.0 * gStepSize; 203 | 204 | gl_FragColor = raymarchLight(ro, rd); 205 | //gl_FragColor = vec4(uColor, getDensity(ro,rd)); 206 | //gl_FragColor = vec4(vec3(sampleVolTex(pos)), 1.0); 207 | //gl_FragColor = vec4(vPos1n, 1.0); 208 | //gl_FragColor = vec4(uLightP[0], 1.0); 209 | } -------------------------------------------------------------------------------- /js/index.js: -------------------------------------------------------------------------------- 1 | c = {}; 2 | c.CAM_FOV = 45; 3 | c.CAM_NEAR = 1; 4 | c.CAM_FAR = 200; 5 | c.FOG_NEAR = 1; 6 | c.FOG_FAR = 20; 7 | 8 | g = {}; 9 | g.width, g.height; 10 | g.container, g.renderer, g.scene, g.camera, g.controls; 11 | g.stats, g.gui; 12 | 13 | g.lightC = []; 14 | g.lightP = []; 15 | 16 | g.time = 0.0; 17 | 18 | function init() { 19 | // container 20 | g.container = document.getElementById("container"); 21 | g.width = window.innerWidth; 22 | g.height = window.innerHeight; 23 | 24 | // renderer 25 | g.renderer = new THREE.WebGLRenderer({ 26 | clearAlpha: 1, 27 | clearColor: 0x000000, 28 | antialias: true 29 | }); 30 | g.renderer.setSize( g.width, g.height ); 31 | g.renderer.autoClear = false; 32 | g.renderer.sortObjects = false; 33 | g.container.appendChild( g.renderer.domElement ); 34 | 35 | // camera 36 | g.camera = new THREE.PerspectiveCamera( 37 | c.CAM_FOV, 38 | g.width/g.height, 39 | c.CAM_NEAR, 40 | c.CAM_FAR 41 | ); 42 | g.camera.position.set(0, 0, -3); 43 | g.camera.lookAt(new THREE.Vector3()); 44 | 45 | // scene 46 | g.scene = new THREE.Scene(); 47 | g.scene.add(g.camera); 48 | 49 | // trackball controls 50 | g.controls = new THREE.TrackballControls(g.camera, g.container); 51 | g.controls.rotateSpeed = 1.0; 52 | g.controls.zoomSpeed = 1.2; 53 | g.controls.panSpeed = 1.0; 54 | g.controls.dynamicDampingFactor = 0.3; 55 | g.controls.staticMoving = false; 56 | g.controls.noZoom = false; 57 | g.controls.noPan = false; 58 | 59 | initScene(); 60 | 61 | // insert stats 62 | g.stats = new Stats(); 63 | g.stats.domElement.style.position = 'absolute'; 64 | g.stats.domElement.style.top = '0px'; 65 | g.stats.domElement.style.zIndex = 100; 66 | g.container.appendChild( g.stats.domElement ); 67 | 68 | // init gui 69 | g.gui = new dat.GUI({ autoPlace:false }); 70 | $("#gui-container").append(g.gui.domElement); 71 | 72 | // hack to edit gui 73 | $(g.gui.__closeButton).hide(); 74 | $(g.gui.__resize_handle).hide(); 75 | 76 | // add line 77 | g.guiline = g.gui.add(g.uniforms.uTMK, "value").min(0.0).max(32.0).step(1); 78 | g.guiline.name("transmittance"); 79 | 80 | window.addEventListener( 'resize', onWindowResize, false ); 81 | } 82 | 83 | function update() { 84 | animate(); 85 | g.stats.update(); 86 | g.controls.update(); 87 | 88 | // render 89 | g.renderer.clear(); 90 | g.renderer.render( g.scene, g.camera ); 91 | 92 | requestAnimationFrame(update); 93 | } 94 | 95 | function onWindowResize(event) { 96 | g.width = window.innerWidth; 97 | g.height = window.innerHeight; 98 | 99 | g.renderer.setSize( g.width, g.height ); 100 | 101 | g.camera.aspect = g.width / g.height; 102 | g.camera.updateProjectionMatrix(); 103 | 104 | g.controls.screen.width = g.width; 105 | g.controls.screen.height = g.height; 106 | g.controls.radius = ( g.width + g.height ) / 4; 107 | } 108 | 109 | function animate() { 110 | //g.cube.rotation.x += 0.01; 111 | //g.cube.rotation.y += 0.01; 112 | //g.cube.position.y = 2.0*Math.sin(g.time); 113 | 114 | g.lightP[0].x = 2.0*Math.sin(g.time); 115 | g.lightP[0].z = 2.0*Math.cos(g.time); 116 | g.lightP[0].y = 1.5; 117 | 118 | g.lightP[1].x = 2.0; 119 | g.lightP[1].z = 2.0; 120 | g.lightP[1].y = 2.0*Math.sin(g.time); 121 | 122 | g.time += 0.01; 123 | } 124 | 125 | // inputs THREE.Vector3 126 | function addLight(pos, col) { 127 | var light; 128 | light = new THREE.PointLight(); 129 | light.position.set( pos.x, pos.y, pos.z ); 130 | light.color.setRGB( col.x, col.y, col.z ); 131 | g.scene.add( light ); 132 | 133 | // add geometry 134 | var mat = new THREE.MeshBasicMaterial(); 135 | mat.color = light.color; 136 | var shape = new THREE.Mesh( 137 | new THREE.SphereGeometry( 0.1, 8, 8 ), 138 | mat 139 | ); 140 | shape.position = light.position; 141 | g.scene.add(shape); 142 | 143 | g.lightP.push(light.position); 144 | g.lightC.push(col); 145 | } 146 | 147 | function initScene() { 148 | g.scene.fog = new THREE.Fog( 0x000000, c.FOG_NEAR, c.FOG_FAR ); 149 | 150 | // NOTE ADD TO SCENE TO DRAW IN ORDER 151 | 152 | // the cube - draw FIRST 153 | 154 | var voltex = THREE.ImageUtils.loadTexture("textures/bunny_fill_100x.png"); 155 | voltex.minFilter = voltex.magFilter = THREE.LinearFilter; 156 | voltex.wrapS = voltex.wrapT = THREE.ClampToEdgeWrapping; 157 | var SIDESIZE = 100; 158 | var voltexDim = new THREE.Vector3(SIDESIZE, SIDESIZE, SIDESIZE); 159 | 160 | var volcol = new THREE.Vector3(1.0, 1.0, 1.0); 161 | 162 | g.offset = new THREE.Vector3(); 163 | 164 | g.uniforms = { 165 | uCamPos: { type: "v3", value: g.camera.position }, 166 | uLightP: { type: "v3v", value: g.lightP }, 167 | uLightC: { type: "v3v", value: g.lightC }, 168 | uColor: { type: "v3", value: volcol }, 169 | uTex: { type: "t", value: 0, texture: voltex }, 170 | uTexDim: { type: "v3", value: voltexDim }, 171 | uOffset: { type: "v3", value: g.offset }, 172 | uTMK: { type: "f", value: 16.0 } 173 | }; 174 | 175 | var shader = new THREE.ShaderMaterial({ 176 | uniforms: g.uniforms, 177 | vertexShader: loadTextFile("shaders/vol-vs.glsl"), 178 | fragmentShader: loadTextFile("shaders/vol-fs.glsl"), 179 | depthWrite: false 180 | }); 181 | 182 | //debug with wireframe 183 | // g.cube = THREE.SceneUtils.createMultiMaterialObject( 184 | // new THREE.CubeGeometry( 1.0, 1.0, 1.0 ), 185 | // [ 186 | // shader, 187 | // new THREE.MeshBasicMaterial( { wireframe: true, transparent: true, opacity: 0.1 } ) 188 | // ] 189 | // ); 190 | 191 | g.cube = new THREE.Mesh( 192 | new THREE.CubeGeometry( 1.0, 1.0, 1.0 ), // must be unit cube 193 | shader //new THREE.MeshLambertMaterial( { color: 0xCCCCCC } ) 194 | ); 195 | g.scene.add(g.cube); 196 | 197 | // ground 198 | (function() { 199 | var imageCanvas = document.createElement( "canvas" ); 200 | var context = imageCanvas.getContext( "2d" ); 201 | 202 | imageCanvas.width = imageCanvas.height = 128; 203 | 204 | context.fillStyle = "#CCC"; 205 | context.fillRect( 0, 0, 128, 128 ); 206 | 207 | context.fillStyle = "#fff"; 208 | context.fillRect(0, 0, 64, 64); 209 | context.fillRect(64, 64, 64, 64); 210 | 211 | var textureCanvas = new THREE.Texture( imageCanvas, 212 | THREE.UVMapping, THREE.RepeatWrapping, THREE.RepeatWrapping ); 213 | var materialCanvas = new THREE.MeshBasicMaterial( { map: textureCanvas } ); 214 | 215 | textureCanvas.needsUpdate = true; 216 | textureCanvas.repeat.set( 10000, 10000 ); 217 | 218 | var geometry = new THREE.PlaneGeometry( 100, 100 ); 219 | 220 | var meshCanvas = new THREE.Mesh( geometry, materialCanvas ); 221 | meshCanvas.scale.set( 100, 100, 100 ); 222 | meshCanvas.position.set(0, -1, 0); 223 | 224 | g.scene.add(meshCanvas); 225 | })(); 226 | 227 | // lights 228 | addLight(new THREE.Vector3(2, 2, 1), new THREE.Vector3(1.0, 0.9, 0.8)); 229 | addLight(new THREE.Vector3(-2, 1, -3), new THREE.Vector3(0.6, 0.1, 0.0)); 230 | } 231 | 232 | // perform synchronous ajax load 233 | function loadTextFile(url) { 234 | var result; 235 | 236 | $.ajax({ 237 | url: url, 238 | type: "GET", 239 | async: false, 240 | dataType: "text", 241 | success: function(data) { 242 | result = data; 243 | } 244 | }); 245 | 246 | return result; 247 | } 248 | 249 | function mousetrap() { 250 | var STEP = 0.05; 251 | 252 | Mousetrap.bind("up", function() { 253 | g.offset.y-=STEP; 254 | }); 255 | Mousetrap.bind("down", function() { 256 | g.offset.y+=STEP; 257 | }); 258 | Mousetrap.bind("left", function() { 259 | g.offset.x-=STEP; 260 | }); 261 | Mousetrap.bind("right", function() { 262 | g.offset.x+=STEP; 263 | }); 264 | 265 | Mousetrap.bind("shift+r", function() { 266 | console.log("hotkey: reset camera"); 267 | g.camera.position.set(0, 0, -3); 268 | g.camera.up.set(0, 1, 0); 269 | g.camera.lookAt(new THREE.Vector3()); 270 | }); 271 | } 272 | 273 | $(function() { 274 | init(); 275 | update(); 276 | mousetrap(); 277 | }); -------------------------------------------------------------------------------- /js/lib/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(e,a){var a=a||document,c=a.createElement("link");c.type="text/css";c.rel="stylesheet";c.href=e;a.getElementsByTagName("head")[0].appendChild(c)},inject:function(e,a){var a=a||document,c=document.createElement("style");c.type="text/css";c.innerHTML=e;a.getElementsByTagName("head")[0].appendChild(c)}}}(); 14 | dat.utils.common=function(){var e=Array.prototype.forEach,a=Array.prototype.slice;return{BREAK:{},extend:function(c){this.each(a.call(arguments,1),function(a){for(var f in a)this.isUndefined(a[f])||(c[f]=a[f])},this);return c},defaults:function(c){this.each(a.call(arguments,1),function(a){for(var f in a)this.isUndefined(c[f])&&(c[f]=a[f])},this);return c},compose:function(){var c=a.call(arguments);return function(){for(var d=a.call(arguments),f=c.length-1;f>=0;f--)d=[c[f].apply(this,d)];return d[0]}}, 15 | each:function(a,d,f){if(e&&a.forEach===e)a.forEach(d,f);else if(a.length===a.length+0)for(var b=0,n=a.length;b-1?d.length-d.indexOf(".")-1:0};c.superclass=e;a.extend(c.prototype,e.prototype,{setValue:function(a){if(this.__min!==void 0&&athis.__max)a=this.__max;this.__step!==void 0&&a%this.__step!=0&&(a=Math.round(a/this.__step)*this.__step);return c.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.__step=a;return this}});return c}(dat.controllers.Controller,dat.utils.common); 29 | dat.controllers.NumberControllerBox=function(e,a,c){var d=function(f,b,e){function h(){var a=parseFloat(l.__input.value);c.isNaN(a)||l.setValue(a)}function j(a){var b=o-a.clientY;l.setValue(l.getValue()+b*l.__impliedStep);o=a.clientY}function m(){a.unbind(window,"mousemove",j);a.unbind(window,"mouseup",m)}this.__truncationSuspended=false;d.superclass.call(this,f,b,e);var l=this,o;this.__input=document.createElement("input");this.__input.setAttribute("type","text");a.bind(this.__input,"change",h); 30 | a.bind(this.__input,"blur",function(){h();l.__onFinishChange&&l.__onFinishChange.call(l,l.getValue())});a.bind(this.__input,"mousedown",function(b){a.bind(window,"mousemove",j);a.bind(window,"mouseup",m);o=b.clientY});a.bind(this.__input,"keydown",function(a){if(a.keyCode===13)l.__truncationSuspended=true,this.blur(),l.__truncationSuspended=false});this.updateDisplay();this.domElement.appendChild(this.__input)};d.superclass=e;c.extend(d.prototype,e.prototype,{updateDisplay:function(){var a=this.__input, 31 | b;if(this.__truncationSuspended)b=this.getValue();else{b=this.getValue();var c=Math.pow(10,this.__precision);b=Math.round(b*c)/c}a.value=b;return d.superclass.prototype.updateDisplay.call(this)}});return d}(dat.controllers.NumberController,dat.dom.dom,dat.utils.common); 32 | dat.controllers.NumberControllerSlider=function(e,a,c,d,f){var b=function(d,c,f,e,l){function o(b){b.preventDefault();var d=a.getOffset(g.__background),c=a.getWidth(g.__background);g.setValue(g.__min+(g.__max-g.__min)*((b.clientX-d.left)/(d.left+c-d.left)));return false}function y(){a.unbind(window,"mousemove",o);a.unbind(window,"mouseup",y);g.__onFinishChange&&g.__onFinishChange.call(g,g.getValue())}b.superclass.call(this,d,c,{min:f,max:e,step:l});var g=this;this.__background=document.createElement("div"); 33 | this.__foreground=document.createElement("div");a.bind(this.__background,"mousedown",function(b){a.bind(window,"mousemove",o);a.bind(window,"mouseup",y);o(b)});a.addClass(this.__background,"slider");a.addClass(this.__foreground,"slider-fg");this.updateDisplay();this.__background.appendChild(this.__foreground);this.domElement.appendChild(this.__background)};b.superclass=e;b.useDefaultStyles=function(){c.inject(f)};d.extend(b.prototype,e.prototype,{updateDisplay:function(){this.__foreground.style.width= 34 | (this.getValue()-this.__min)/(this.__max-this.__min)*100+"%";return b.superclass.prototype.updateDisplay.call(this)}});return b}(dat.controllers.NumberController,dat.dom.dom,dat.utils.css,dat.utils.common,".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(e,a,c){var d=function(c,b,e){d.superclass.call(this,c,b);var h=this;this.__button=document.createElement("div");this.__button.innerHTML=e===void 0?"Fire":e;a.bind(this.__button,"click",function(a){a.preventDefault();h.fire();return false});a.addClass(this.__button,"button");this.domElement.appendChild(this.__button)};d.superclass=e;c.extend(d.prototype,e.prototype,{fire:function(){this.__onChange&&this.__onChange.call(this);this.__onFinishChange&&this.__onFinishChange.call(this, 36 | this.getValue());this.getValue().call(this.object)}});return d}(dat.controllers.Controller,dat.dom.dom,dat.utils.common); 37 | dat.controllers.BooleanController=function(e,a,c){var d=function(c,b){d.superclass.call(this,c,b);var e=this;this.__prev=this.getValue();this.__checkbox=document.createElement("input");this.__checkbox.setAttribute("type","checkbox");a.bind(this.__checkbox,"change",function(){e.setValue(!e.__prev)},false);this.domElement.appendChild(this.__checkbox);this.updateDisplay()};d.superclass=e;c.extend(d.prototype,e.prototype,{setValue:function(a){a=d.superclass.prototype.setValue.call(this,a);this.__onFinishChange&& 38 | this.__onFinishChange.call(this,this.getValue());this.__prev=this.getValue();return a},updateDisplay:function(){this.getValue()===true?(this.__checkbox.setAttribute("checked","checked"),this.__checkbox.checked=true):this.__checkbox.checked=false;return d.superclass.prototype.updateDisplay.call(this)}});return d}(dat.controllers.Controller,dat.dom.dom,dat.utils.common); 39 | dat.color.toString=function(e){return function(a){if(a.a==1||e.isUndefined(a.a)){for(a=a.hex.toString(16);a.length<6;)a="0"+a;return"#"+a}else return"rgba("+Math.round(a.r)+","+Math.round(a.g)+","+Math.round(a.b)+","+a.a+")"}}(dat.utils.common); 40 | dat.color.interpret=function(e,a){var c,d,f=[{litmus:a.isString,conversions:{THREE_CHAR_HEX:{read:function(a){a=a.match(/^#([A-F0-9])([A-F0-9])([A-F0-9])$/i);return a===null?false:{space:"HEX",hex:parseInt("0x"+a[1].toString()+a[1].toString()+a[2].toString()+a[2].toString()+a[3].toString()+a[3].toString())}},write:e},SIX_CHAR_HEX:{read:function(a){a=a.match(/^#([A-F0-9]{6})$/i);return a===null?false:{space:"HEX",hex:parseInt("0x"+a[1].toString())}},write:e},CSS_RGB:{read:function(a){a=a.match(/^rgb\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\)/); 41 | return a===null?false:{space:"RGB",r:parseFloat(a[1]),g:parseFloat(a[2]),b:parseFloat(a[3])}},write:e},CSS_RGBA:{read:function(a){a=a.match(/^rgba\(\s*(.+)\s*,\s*(.+)\s*,\s*(.+)\s*\,\s*(.+)\s*\)/);return a===null?false:{space:"RGB",r:parseFloat(a[1]),g:parseFloat(a[2]),b:parseFloat(a[3]),a:parseFloat(a[4])}},write:e}}},{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 a.length!= 42 | 3?false:{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 a.length!=4?false:{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}:false},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}:false},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}:false},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}:false},write:function(a){return{h:a.h,s:a.s,v:a.v}}}}}];return function(){d= 44 | false;var b=arguments.length>1?a.toArray(arguments):arguments[0];a.each(f,function(e){if(e.litmus(b))return a.each(e.conversions,function(e,f){c=e.read(b);if(d===false&&c!==false)return d=c,c.conversionName=f,c.conversion=e,a.BREAK}),a.BREAK});return d}}(dat.color.toString,dat.utils.common); 45 | dat.GUI=dat.gui.GUI=function(e,a,c,d,f,b,n,h,j,m,l,o,y,g,i){function q(a,b,r,c){if(b[r]===void 0)throw Error("Object "+b+' has no property "'+r+'"');c.color?b=new l(b,r):(b=[b,r].concat(c.factoryArgs),b=d.apply(a,b));if(c.before instanceof f)c.before=c.before.__li;t(a,b);g.addClass(b.domElement,"c");r=document.createElement("span");g.addClass(r,"property-name");r.innerHTML=b.property;var e=document.createElement("div");e.appendChild(r);e.appendChild(b.domElement);c=s(a,e,c.before);g.addClass(c,k.CLASS_CONTROLLER_ROW); 46 | g.addClass(c,typeof b.getValue());p(a,c,b);a.__controllers.push(b);return b}function s(a,b,d){var c=document.createElement("li");b&&c.appendChild(b);d?a.__ul.insertBefore(c,params.before):a.__ul.appendChild(c);a.onResize();return c}function p(a,d,c){c.__li=d;c.__gui=a;i.extend(c,{options:function(b){if(arguments.length>1)return c.remove(),q(a,c.object,c.property,{before:c.__li.nextElementSibling,factoryArgs:[i.toArray(arguments)]});if(i.isArray(b)||i.isObject(b))return c.remove(),q(a,c.object,c.property, 47 | {before:c.__li.nextElementSibling,factoryArgs:[b]})},name:function(a){c.__li.firstElementChild.firstElementChild.innerHTML=a;return c},listen:function(){c.__gui.listen(c);return c},remove:function(){c.__gui.remove(c);return c}});if(c instanceof j){var e=new h(c.object,c.property,{min:c.__min,max:c.__max,step:c.__step});i.each(["updateDisplay","onChange","onFinishChange"],function(a){var b=c[a],H=e[a];c[a]=e[a]=function(){var a=Array.prototype.slice.call(arguments);b.apply(c,a);return H.apply(e,a)}}); 48 | g.addClass(d,"has-slider");c.domElement.insertBefore(e.domElement,c.domElement.firstElementChild)}else if(c instanceof h){var f=function(b){return i.isNumber(c.__min)&&i.isNumber(c.__max)?(c.remove(),q(a,c.object,c.property,{before:c.__li.nextElementSibling,factoryArgs:[c.__min,c.__max,c.__step]})):b};c.min=i.compose(f,c.min);c.max=i.compose(f,c.max)}else if(c instanceof b)g.bind(d,"click",function(){g.fakeEvent(c.__checkbox,"click")}),g.bind(c.__checkbox,"click",function(a){a.stopPropagation()}); 49 | else if(c instanceof n)g.bind(d,"click",function(){g.fakeEvent(c.__button,"click")}),g.bind(d,"mouseover",function(){g.addClass(c.__button,"hover")}),g.bind(d,"mouseout",function(){g.removeClass(c.__button,"hover")});else if(c instanceof l)g.addClass(d,"color"),c.updateDisplay=i.compose(function(a){d.style.borderLeftColor=c.__color.toString();return a},c.updateDisplay),c.updateDisplay();c.setValue=i.compose(function(b){a.getRoot().__preset_select&&c.isModified()&&B(a.getRoot(),true);return b},c.setValue)} 50 | function t(a,b){var c=a.getRoot(),d=c.__rememberedObjects.indexOf(b.object);if(d!=-1){var e=c.__rememberedObjectIndecesToControllers[d];e===void 0&&(e={},c.__rememberedObjectIndecesToControllers[d]=e);e[b.property]=b;if(c.load&&c.load.remembered){c=c.load.remembered;if(c[a.preset])c=c[a.preset];else if(c[w])c=c[w];else return;if(c[d]&&c[d][b.property]!==void 0)d=c[d][b.property],b.initialValue=d,b.setValue(d)}}}function I(a){var b=a.__save_row=document.createElement("li");g.addClass(a.domElement, 51 | "has-save");a.__ul.insertBefore(b,a.__ul.firstChild);g.addClass(b,"save-row");var c=document.createElement("span");c.innerHTML=" ";g.addClass(c,"button gears");var d=document.createElement("span");d.innerHTML="Save";g.addClass(d,"button");g.addClass(d,"save");var e=document.createElement("span");e.innerHTML="New";g.addClass(e,"button");g.addClass(e,"save-as");var f=document.createElement("span");f.innerHTML="Revert";g.addClass(f,"button");g.addClass(f,"revert");var m=a.__preset_select=document.createElement("select"); 52 | a.load&&a.load.remembered?i.each(a.load.remembered,function(b,c){C(a,c,c==a.preset)}):C(a,w,false);g.bind(m,"change",function(){for(var b=0;b0){a.preset=this.preset;if(!a.remembered)a.remembered={};a.remembered[this.preset]=z(this)}a.folders={};i.each(this.__folders,function(b, 69 | c){a.folders[c]=b.getSaveObject()});return a},save:function(){if(!this.load.remembered)this.load.remembered={};this.load.remembered[this.preset]=z(this);B(this,false)},saveAs:function(a){if(!this.load.remembered)this.load.remembered={},this.load.remembered[w]=z(this,true);this.load.remembered[a]=z(this);this.preset=a;C(this,a,true)},revert:function(a){i.each(this.__controllers,function(b){this.getRoot().load.remembered?t(a||this.getRoot(),b):b.setValue(b.initialValue)},this);i.each(this.__folders, 70 | function(a){a.revert(a)});a||B(this.getRoot(),false)},listen:function(a){var b=this.__listening.length==0;this.__listening.push(a);b&&E(this.__listening)}});return k}(dat.utils.css,'
\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
\n \n
\n\n
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.slider-fg{height:100%}.dg .c input[type=checkbox]{margin-top:9px}.dg .c select{margin-top:5px}.dg .cr.function,.dg .cr.function .property-name,.dg .cr.function *,.dg .cr.boolean,.dg .cr.boolean *{cursor:pointer}.dg .selector{display:none;position:absolute;margin-left:-9px;margin-top:23px;z-index:10}.dg .c:hover .selector,.dg .selector.drag{display:block}.dg li.save-row{padding:0}.dg li.save-row .button{display:inline-block;padding:0px 6px}.dg.dialogue{background-color:#222;width:460px;padding:15px;font-size:13px;line-height:15px}#dg-new-constructor{padding:10px;color:#222;font-family:Monaco, monospace;font-size:10px;border:0;resize:none;box-shadow:inset 1px 1px 1px #888;word-wrap:break-word;margin:12px 0;display:block;width:440px;overflow-y:scroll;height:100px;position:relative}#dg-local-explain{display:none;font-size:11px;line-height:17px;border-radius:3px;background-color:#333;padding:8px;margin-top:10px}#dg-local-explain code{font-size:10px}#dat-gui-save-locally{display:none}.dg{color:#eee;font:11px 'Lucida Grande', sans-serif;text-shadow:0 -1px 0 #111}.dg.main::-webkit-scrollbar{width:5px;background:#1a1a1a}.dg.main::-webkit-scrollbar-corner{height:0;display:none}.dg.main::-webkit-scrollbar-thumb{border-radius:5px;background:#676767}.dg li:not(.folder){background:#1a1a1a;border-bottom:1px solid #2c2c2c}.dg li.save-row{line-height:25px;background:#dad5cb;border:0}.dg li.save-row select{margin-left:5px;width:108px}.dg li.save-row .button{margin-left:5px;margin-top:1px;border-radius:2px;font-size:9px;line-height:7px;padding:4px 4px 5px 4px;background:#c5bdad;color:#fff;text-shadow:0 1px 0 #b0a58f;box-shadow:0 -1px 0 #b0a58f;cursor:pointer}.dg li.save-row .button.gears{background:#c5bdad url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAsAAAANCAYAAAB/9ZQ7AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAQJJREFUeNpiYKAU/P//PwGIC/ApCABiBSAW+I8AClAcgKxQ4T9hoMAEUrxx2QSGN6+egDX+/vWT4e7N82AMYoPAx/evwWoYoSYbACX2s7KxCxzcsezDh3evFoDEBYTEEqycggWAzA9AuUSQQgeYPa9fPv6/YWm/Acx5IPb7ty/fw+QZblw67vDs8R0YHyQhgObx+yAJkBqmG5dPPDh1aPOGR/eugW0G4vlIoTIfyFcA+QekhhHJhPdQxbiAIguMBTQZrPD7108M6roWYDFQiIAAv6Aow/1bFwXgis+f2LUAynwoIaNcz8XNx3Dl7MEJUDGQpx9gtQ8YCueB+D26OECAAQDadt7e46D42QAAAABJRU5ErkJggg==) 2px 1px no-repeat;height:7px;width:8px}.dg li.save-row .button:hover{background-color:#bab19e;box-shadow:0 -1px 0 #b0a58f}.dg li.folder{border-bottom:0}.dg li.title{padding-left:16px;background:#000 url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlI+hKgFxoCgAOw==) 6px 10px no-repeat;cursor:pointer;border-bottom:1px solid rgba(255,255,255,0.2)}.dg .closed li.title{background-image:url(data:image/gif;base64,R0lGODlhBQAFAJEAAP////Pz8////////yH5BAEAAAIALAAAAAAFAAUAAAIIlGIWqMCbWAEAOw==)}.dg .cr.boolean{border-left:3px solid #806787}.dg .cr.function{border-left:3px solid #e61d5f}.dg .cr.number{border-left:3px solid #2fa1d6}.dg .cr.number input[type=text]{color:#2fa1d6}.dg .cr.string{border-left:3px solid #1ed36f}.dg .cr.string input[type=text]{color:#1ed36f}.dg .cr.function:hover,.dg .cr.boolean:hover{background:#111}.dg .c input[type=text]{background:#303030;outline:none}.dg .c input[type=text]:hover{background:#3c3c3c}.dg .c input[type=text]:focus{background:#494949;color:#fff}.dg .c .slider{background:#303030;cursor:ew-resize}.dg .c .slider-fg{background:#2fa1d6}.dg .c .slider:hover{background:#3c3c3c}.dg .c .slider:hover .slider-fg{background:#44abda}\n", 72 | dat.controllers.factory=function(e,a,c,d,f,b,n){return function(h,j,m,l){var o=h[j];if(n.isArray(m)||n.isObject(m))return new e(h,j,m);if(n.isNumber(o))return n.isNumber(m)&&n.isNumber(l)?new c(h,j,m,l):new a(h,j,{min:m,max:l});if(n.isString(o))return new d(h,j);if(n.isFunction(o))return new f(h,j,"");if(n.isBoolean(o))return new b(h,j)}}(dat.controllers.OptionController,dat.controllers.NumberControllerBox,dat.controllers.NumberControllerSlider,dat.controllers.StringController=function(e,a,c){var d= 73 | function(c,b){function e(){h.setValue(h.__input.value)}d.superclass.call(this,c,b);var h=this;this.__input=document.createElement("input");this.__input.setAttribute("type","text");a.bind(this.__input,"keyup",e);a.bind(this.__input,"change",e);a.bind(this.__input,"blur",function(){h.__onFinishChange&&h.__onFinishChange.call(h,h.getValue())});a.bind(this.__input,"keydown",function(a){a.keyCode===13&&this.blur()});this.updateDisplay();this.domElement.appendChild(this.__input)};d.superclass=e;c.extend(d.prototype, 74 | e.prototype,{updateDisplay:function(){if(!a.isActive(this.__input))this.__input.value=this.getValue();return d.superclass.prototype.updateDisplay.call(this)}});return d}(dat.controllers.Controller,dat.dom.dom,dat.utils.common),dat.controllers.FunctionController,dat.controllers.BooleanController,dat.utils.common),dat.controllers.Controller,dat.controllers.BooleanController,dat.controllers.FunctionController,dat.controllers.NumberControllerBox,dat.controllers.NumberControllerSlider,dat.controllers.OptionController, 75 | dat.controllers.ColorController=function(e,a,c,d,f){function b(a,b,c,d){a.style.background="";f.each(j,function(e){a.style.cssText+="background: "+e+"linear-gradient("+b+", "+c+" 0%, "+d+" 100%); "})}function n(a){a.style.background="";a.style.cssText+="background: -moz-linear-gradient(top, #ff0000 0%, #ff00ff 17%, #0000ff 34%, #00ffff 50%, #00ff00 67%, #ffff00 84%, #ff0000 100%);";a.style.cssText+="background: -webkit-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);"; 76 | a.style.cssText+="background: -o-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);";a.style.cssText+="background: -ms-linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);";a.style.cssText+="background: linear-gradient(top, #ff0000 0%,#ff00ff 17%,#0000ff 34%,#00ffff 50%,#00ff00 67%,#ffff00 84%,#ff0000 100%);"}var h=function(e,l){function o(b){q(b);a.bind(window,"mousemove",q);a.bind(window, 77 | "mouseup",j)}function j(){a.unbind(window,"mousemove",q);a.unbind(window,"mouseup",j)}function g(){var a=d(this.value);a!==false?(p.__color.__state=a,p.setValue(p.__color.toOriginal())):this.value=p.__color.toString()}function i(){a.unbind(window,"mousemove",s);a.unbind(window,"mouseup",i)}function q(b){b.preventDefault();var c=a.getWidth(p.__saturation_field),d=a.getOffset(p.__saturation_field),e=(b.clientX-d.left+document.body.scrollLeft)/c,b=1-(b.clientY-d.top+document.body.scrollTop)/c;b>1?b= 78 | 1:b<0&&(b=0);e>1?e=1:e<0&&(e=0);p.__color.v=b;p.__color.s=e;p.setValue(p.__color.toOriginal());return false}function s(b){b.preventDefault();var c=a.getHeight(p.__hue_field),d=a.getOffset(p.__hue_field),b=1-(b.clientY-d.top+document.body.scrollTop)/c;b>1?b=1:b<0&&(b=0);p.__color.h=b*360;p.setValue(p.__color.toOriginal());return false}h.superclass.call(this,e,l);this.__color=new c(this.getValue());this.__temp=new c(0);var p=this;this.domElement=document.createElement("div");a.makeSelectable(this.domElement, 79 | false);this.__selector=document.createElement("div");this.__selector.className="selector";this.__saturation_field=document.createElement("div");this.__saturation_field.className="saturation-field";this.__field_knob=document.createElement("div");this.__field_knob.className="field-knob";this.__field_knob_border="2px solid ";this.__hue_knob=document.createElement("div");this.__hue_knob.className="hue-knob";this.__hue_field=document.createElement("div");this.__hue_field.className="hue-field";this.__input= 80 | document.createElement("input");this.__input.type="text";this.__input_textShadow="0 1px 1px ";a.bind(this.__input,"keydown",function(a){a.keyCode===13&&g.call(this)});a.bind(this.__input,"blur",g);a.bind(this.__selector,"mousedown",function(){a.addClass(this,"drag").bind(window,"mouseup",function(){a.removeClass(p.__selector,"drag")})});var t=document.createElement("div");f.extend(this.__selector.style,{width:"122px",height:"102px",padding:"3px",backgroundColor:"#222",boxShadow:"0px 1px 3px rgba(0,0,0,0.3)"}); 81 | f.extend(this.__field_knob.style,{position:"absolute",width:"12px",height:"12px",border:this.__field_knob_border+(this.__color.v<0.5?"#fff":"#000"),boxShadow:"0px 1px 3px rgba(0,0,0,0.5)",borderRadius:"12px",zIndex:1});f.extend(this.__hue_knob.style,{position:"absolute",width:"15px",height:"2px",borderRight:"4px solid #fff",zIndex:1});f.extend(this.__saturation_field.style,{width:"100px",height:"100px",border:"1px solid #555",marginRight:"3px",display:"inline-block",cursor:"pointer"});f.extend(t.style, 82 | {width:"100%",height:"100%",background:"none"});b(t,"top","rgba(0,0,0,0)","#000");f.extend(this.__hue_field.style,{width:"15px",height:"100px",display:"inline-block",border:"1px solid #555",cursor:"ns-resize"});n(this.__hue_field);f.extend(this.__input.style,{outline:"none",textAlign:"center",color:"#fff",border:0,fontWeight:"bold",textShadow:this.__input_textShadow+"rgba(0,0,0,0.7)"});a.bind(this.__saturation_field,"mousedown",o);a.bind(this.__field_knob,"mousedown",o);a.bind(this.__hue_field,"mousedown", 83 | function(b){s(b);a.bind(window,"mousemove",s);a.bind(window,"mouseup",i)});this.__saturation_field.appendChild(t);this.__selector.appendChild(this.__field_knob);this.__selector.appendChild(this.__saturation_field);this.__selector.appendChild(this.__hue_field);this.__hue_field.appendChild(this.__hue_knob);this.domElement.appendChild(this.__input);this.domElement.appendChild(this.__selector);this.updateDisplay()};h.superclass=e;f.extend(h.prototype,e.prototype,{updateDisplay:function(){var a=d(this.getValue()); 84 | if(a!==false){var e=false;f.each(c.COMPONENTS,function(b){if(!f.isUndefined(a[b])&&!f.isUndefined(this.__color.__state[b])&&a[b]!==this.__color.__state[b])return e=true,{}},this);e&&f.extend(this.__color.__state,a)}f.extend(this.__temp.__state,this.__color.__state);this.__temp.a=1;var h=this.__color.v<0.5||this.__color.s>0.5?255:0,j=255-h;f.extend(this.__field_knob.style,{marginLeft:100*this.__color.s-7+"px",marginTop:100*(1-this.__color.v)-7+"px",backgroundColor:this.__temp.toString(),border:this.__field_knob_border+ 85 | "rgb("+h+","+h+","+h+")"});this.__hue_knob.style.marginTop=(1-this.__color.h/360)*100+"px";this.__temp.s=1;this.__temp.v=1;b(this.__saturation_field,"left","#fff",this.__temp.toString());f.extend(this.__input.style,{backgroundColor:this.__input.value=this.__color.toString(),color:"rgb("+h+","+h+","+h+")",textShadow:this.__input_textShadow+"rgba("+j+","+j+","+j+",.7)"})}});var j=["-moz-","-o-","-webkit-","-ms-",""];return h}(dat.controllers.Controller,dat.dom.dom,dat.color.Color=function(e,a,c,d){function f(a, 86 | b,c){Object.defineProperty(a,b,{get:function(){if(this.__state.space==="RGB")return this.__state[b];n(this,b,c);return this.__state[b]},set:function(a){if(this.__state.space!=="RGB")n(this,b,c),this.__state.space="RGB";this.__state[b]=a}})}function b(a,b){Object.defineProperty(a,b,{get:function(){if(this.__state.space==="HSV")return this.__state[b];h(this);return this.__state[b]},set:function(a){if(this.__state.space!=="HSV")h(this),this.__state.space="HSV";this.__state[b]=a}})}function n(b,c,e){if(b.__state.space=== 87 | "HEX")b.__state[c]=a.component_from_hex(b.__state.hex,e);else if(b.__state.space==="HSV")d.extend(b.__state,a.hsv_to_rgb(b.__state.h,b.__state.s,b.__state.v));else throw"Corrupted color state";}function h(b){var c=a.rgb_to_hsv(b.r,b.g,b.b);d.extend(b.__state,{s:c.s,v:c.v});if(d.isNaN(c.h)){if(d.isUndefined(b.__state.h))b.__state.h=0}else b.__state.h=c.h}var j=function(){this.__state=e.apply(this,arguments);if(this.__state===false)throw"Failed to interpret color arguments";this.__state.a=this.__state.a|| 88 | 1};j.COMPONENTS="r,g,b,h,s,v,hex,a".split(",");d.extend(j.prototype,{toString:function(){return c(this)},toOriginal:function(){return this.__state.conversion.write(this)}});f(j.prototype,"r",2);f(j.prototype,"g",1);f(j.prototype,"b",0);b(j.prototype,"h");b(j.prototype,"s");b(j.prototype,"v");Object.defineProperty(j.prototype,"a",{get:function(){return this.__state.a},set:function(a){this.__state.a=a}});Object.defineProperty(j.prototype,"hex",{get:function(){if(!this.__state.space!=="HEX")this.__state.hex= 89 | a.rgb_to_hex(this.r,this.g,this.b);return this.__state.hex},set:function(a){this.__state.space="HEX";this.__state.hex=a}});return j}(dat.color.interpret,dat.color.math=function(){var e;return{hsv_to_rgb:function(a,c,d){var e=a/60-Math.floor(a/60),b=d*(1-c),n=d*(1-e*c),c=d*(1-(1-e)*c),a=[[d,c,b],[n,d,b],[b,d,c],[b,n,d],[c,b,d],[d,b,n]][Math.floor(a/60)%6];return{r:a[0]*255,g:a[1]*255,b:a[2]*255}},rgb_to_hsv:function(a,c,d){var e=Math.min(a,c,d),b=Math.max(a,c,d),e=b-e;if(b==0)return{h:NaN,s:0,v:0}; 90 | a=a==b?(c-d)/e:c==b?2+(d-a)/e:4+(a-c)/e;a/=6;a<0&&(a+=1);return{h:a*360,s:e/b,v:b/255}},rgb_to_hex:function(a,c,d){a=this.hex_with_component(0,2,a);a=this.hex_with_component(a,1,c);return a=this.hex_with_component(a,0,d)},component_from_hex:function(a,c){return a>>c*8&255},hex_with_component:function(a,c,d){return d<<(e=c*8)|a&~(255<").appendTo(b),e=d.css("display");d.remove();if(e==="none"||e===""){ck||(ck=c.createElement("iframe"),ck.frameBorder=ck.width=ck.height=0),b.appendChild(ck);if(!cl||!ck.createElement)cl=(ck.contentWindow||ck.contentDocument).document,cl.write((f.support.boxModel?"":"")+""),cl.close();d=cl.createElement(a),cl.body.appendChild(d),e=f.css(d,"display"),b.removeChild(ck)}cj[a]=e}return cj[a]}function ct(a,b){var c={};f.each(cp.concat.apply([],cp.slice(0,b)),function(){c[this]=a});return c}function cs(){cq=b}function cr(){setTimeout(cs,0);return cq=f.now()}function ci(){try{return new a.ActiveXObject("Microsoft.XMLHTTP")}catch(b){}}function ch(){try{return new a.XMLHttpRequest}catch(b){}}function cb(a,c){a.dataFilter&&(c=a.dataFilter(c,a.dataType));var d=a.dataTypes,e={},g,h,i=d.length,j,k=d[0],l,m,n,o,p;for(g=1;g0){if(c!=="border")for(;e=0===c})}function S(a){return!a||!a.parentNode||a.parentNode.nodeType===11}function K(){return!0}function J(){return!1}function n(a,b,c){var d=b+"defer",e=b+"queue",g=b+"mark",h=f._data(a,d);h&&(c==="queue"||!f._data(a,e))&&(c==="mark"||!f._data(a,g))&&setTimeout(function(){!f._data(a,e)&&!f._data(a,g)&&(f.removeData(a,d,!0),h.fire())},0)}function m(a){for(var b in a){if(b==="data"&&f.isEmptyObject(a[b]))continue;if(b!=="toJSON")return!1}return!0}function l(a,c,d){if(d===b&&a.nodeType===1){var e="data-"+c.replace(k,"-$1").toLowerCase();d=a.getAttribute(e);if(typeof d=="string"){try{d=d==="true"?!0:d==="false"?!1:d==="null"?null:f.isNumeric(d)?+d:j.test(d)?f.parseJSON(d):d}catch(g){}f.data(a,c,d)}else d=b}return d}function h(a){var b=g[a]={},c,d;a=a.split(/\s+/);for(c=0,d=a.length;c)[^>]*$|#([\w\-]*)$)/,j=/\S/,k=/^\s+/,l=/\s+$/,m=/^<(\w+)\s*\/?>(?:<\/\1>)?$/,n=/^[\],:{}\s]*$/,o=/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,p=/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,q=/(?:^|:|,)(?:\s*\[)+/g,r=/(webkit)[ \/]([\w.]+)/,s=/(opera)(?:.*version)?[ \/]([\w.]+)/,t=/(msie) ([\w.]+)/,u=/(mozilla)(?:.*? rv:([\w.]+))?/,v=/-([a-z]|[0-9])/ig,w=/^-ms-/,x=function(a,b){return(b+"").toUpperCase()},y=d.userAgent,z,A,B,C=Object.prototype.toString,D=Object.prototype.hasOwnProperty,E=Array.prototype.push,F=Array.prototype.slice,G=String.prototype.trim,H=Array.prototype.indexOf,I={};e.fn=e.prototype={constructor:e,init:function(a,d,f){var g,h,j,k;if(!a)return this;if(a.nodeType){this.context=this[0]=a,this.length=1;return this}if(a==="body"&&!d&&c.body){this.context=c,this[0]=c.body,this.selector=a,this.length=1;return this}if(typeof 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