mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-26 23:44:56 +01:00
445 lines
12 KiB
HTML
Executable File
445 lines
12 KiB
HTML
Executable File
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - materials - custom blending</title>
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<meta charset="utf-8">
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<style>
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body {
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margin: 0px;
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background-color: #111;
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overflow: hidden;
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font-family: arial;
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}
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.menu { color: #fff; font-weight: bold; font-size: 12px; z-index: 100; width: 75px; position: absolute; top: 0px; padding: 16px; }
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.menu img, .menu canvas { width: 75px; margin: 10px 0 }
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#images { background: rgba(0,0,0,0); left: 0px; }
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#backgrounds { background: rgba(0,0,0,0.0); left: 107px; }
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#labels { background: rgba(0,0,0,0.75); left: 214px; width: 100px }
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.lbl { color: #fff; z-index: 150; float:left; padding: 0.25em; width: 75px; display: block }
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#lbl_dst { background:#800; }
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#lbl_src { background:green; }
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.btn { background: darkorange; width: 100px; cursor: pointer }
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#btn_sub { background: transparent }
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#btn_rsub { background: transparent }
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#btn_pre { background: transparent }
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#btn_rsub, #btn_nopre { margin-bottom: 2em }
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</style>
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</head>
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<body>
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<div id="images" class="menu">
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Foreground
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<a id="img_0" href="#"><img src="textures/disturb.jpg" /></a>
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<a id="img_1" href="#"><img src="textures/sprite0.jpg" /></a>
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<a id="img_2" href="#"><img src="textures/sprite0.png" /></a>
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<a id="img_3" href="#"><img src="textures/lensflare/lensflare0.png" /></a>
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<a id="img_4" href="#"><img src="textures/lensflare/lensflare0_alpha.png" /></a>
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<a id="img_5" href="#"><img src="textures/sprites/ball.png" /></a>
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<a id="img_6" href="#"><img src="textures/sprites/snowflake7_alpha.png" /></a>
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</div>
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<div id="backgrounds" class="menu">
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Background
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<a id="bg_0" href="#"><img src="textures/disturb.jpg" /></a>
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<a id="bg_1" href="#"></a>
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<a id="bg_2" href="#"></a>
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<a id="bg_3" href="#"><img src="textures/crate.gif" /></a>
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<a id="bg_4" href="#"><img src="textures/lava/lavatile.jpg" /></a>
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<a id="bg_5" href="#"><img src="textures/water.jpg" /></a>
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<a id="bg_6" href="#"><img src="textures/lava/cloud.png" /></a>
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</div>
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<div id="labels" class="menu">
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Equation<br/><br/>
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<div class="lbl btn" id="btn_add">Add</div>
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<div class="lbl btn" id="btn_sub">Subtract</div>
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<div class="lbl btn" id="btn_rsub">ReverseSubtract</div>
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Premultiply alpha<br/><br/>
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<div class="lbl btn" id="btn_pre">On</div>
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<div class="lbl btn" id="btn_nopre">Off</div>
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Labels<br/><br/>
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<div class="lbl" id="lbl_src">Source</div>
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<div class="lbl" id="lbl_dst">Destination</div>
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</div>
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<script src="../build/three.min.js"></script>
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<script src="js/Detector.js"></script>
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<script>
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if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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var camera, scene, renderer;
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var materialBg;
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var materials = [];
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var mapsPre = [];
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var mapsNoPre = [];
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var currentMaps = mapsNoPre;
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var currentIndex = 4;
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init();
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animate();
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function init() {
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// CAMERA
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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
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camera.position.z = 700;
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// SCENE
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scene = new THREE.Scene();
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// BACKGROUND IMAGES
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var x = document.createElement( "canvas" );
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var xc = x.getContext( "2d" );
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x.width = x.height = 128;
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xc.fillStyle = "#eee";
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xc.fillRect( 0, 0, 128, 128 );
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xc.fillStyle = "#999";
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xc.fillRect( 0, 0, 64, 64 );
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xc.fillStyle = "#aaa";
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xc.fillRect( 32, 32, 32, 32 );
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xc.fillStyle = "#999";
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xc.fillRect( 64, 64, 64, 64 );
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xc.fillStyle = "#bbb";
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xc.fillRect( 96, 96, 32, 32 );
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document.getElementById("bg_1").appendChild( x );
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var x2 = document.createElement( "canvas" );
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var xc2 = x2.getContext( "2d" );
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x2.width = x2.height = 128;
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xc2.fillStyle = "#444";
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xc2.fillRect( 0, 0, 128, 128 );
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xc2.fillStyle = "#000";
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xc2.fillRect( 0, 0, 64, 64 );
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xc2.fillStyle = "#111";
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xc2.fillRect( 32, 32, 32, 32 );
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xc2.fillStyle = "#000";
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xc2.fillRect( 64, 64, 64, 64 );
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xc2.fillStyle = "#222";
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xc2.fillRect( 96, 96, 32, 32 );
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document.getElementById("bg_1").appendChild( x );
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document.getElementById("bg_2").appendChild( x2 );
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var mapBg0 = new THREE.Texture( x );
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mapBg0.wrapS = mapBg0.wrapT = THREE.RepeatWrapping;
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mapBg0.repeat.set( 128, 64 );
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mapBg0.needsUpdate = true;
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var mapBg1 = new THREE.Texture( x2 );
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mapBg1.wrapS = mapBg1.wrapT = THREE.RepeatWrapping;
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mapBg1.repeat.set( 128, 64 );
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mapBg1.needsUpdate = true;
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var mapBg2 = THREE.ImageUtils.loadTexture( "textures/disturb.jpg" );
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mapBg2.wrapS = mapBg2.wrapT = THREE.RepeatWrapping;
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mapBg2.repeat.set( 8, 4 );
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var mapBg3 = THREE.ImageUtils.loadTexture( "textures/crate.gif" );
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mapBg3.wrapS = mapBg3.wrapT = THREE.RepeatWrapping;
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mapBg3.repeat.set( 32, 16 );
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var mapBg4 = THREE.ImageUtils.loadTexture( "textures/lava/lavatile.jpg" );
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mapBg4.wrapS = mapBg4.wrapT = THREE.RepeatWrapping;
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mapBg4.repeat.set( 8, 4 );
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var mapBg5 = THREE.ImageUtils.loadTexture( "textures/water.jpg" );
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mapBg5.wrapS = mapBg5.wrapT = THREE.RepeatWrapping;
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mapBg5.repeat.set( 8, 4 );
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var mapBg6 = THREE.ImageUtils.loadTexture( "textures/lava/cloud.png" );
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mapBg6.wrapS = mapBg6.wrapT = THREE.RepeatWrapping;
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mapBg6.repeat.set( 2, 1 );
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// BACKGROUND
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materialBg = new THREE.MeshBasicMaterial( { map: mapBg1 } );
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var meshBg = new THREE.Mesh( new THREE.PlaneBufferGeometry( 4000, 2000 ), materialBg );
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meshBg.position.set( 0, 0, -1 );
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scene.add( meshBg );
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// FOREGROUND IMAGES
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var images = [ 'textures/disturb.jpg',
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'textures/sprite0.jpg',
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'textures/sprite0.png',
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'textures/lensflare/lensflare0.png',
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'textures/lensflare/lensflare0_alpha.png',
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'textures/sprites/ball.png',
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'textures/sprites/snowflake7_alpha.png' ];
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for ( var i = 0; i < images.length; i ++ ) {
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var map = THREE.ImageUtils.loadTexture( images[ i ] );
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var mapPre = map.clone();
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mapPre.premultiplyAlpha = true;
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mapPre.needsUpdate = true;
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mapsNoPre.push( map );
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mapsPre.push( mapPre );
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}
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// FOREGROUND OBJECTS
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var blendings = [ "NoBlending", "NormalBlending", "AdditiveBlending", "SubtractiveBlending", "MultiplyBlending", "AdditiveAlphaBlending" ];
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var src = [ "ZeroFactor", "OneFactor", "SrcAlphaFactor", "OneMinusSrcAlphaFactor", "DstAlphaFactor", "OneMinusDstAlphaFactor", "DstColorFactor", "OneMinusDstColorFactor", "SrcAlphaSaturateFactor" ];
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var dst = [ "ZeroFactor", "OneFactor", "SrcColorFactor", "OneMinusSrcColorFactor", "SrcAlphaFactor", "OneMinusSrcAlphaFactor", "DstAlphaFactor", "OneMinusDstAlphaFactor" ];
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var geo1 = new THREE.PlaneBufferGeometry( 100, 100 );
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var geo2 = new THREE.PlaneBufferGeometry( 100, 25 );
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var blending = "CustomBlending";
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for ( var i = 0; i < dst.length; i ++ ) {
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var blendDst = dst[ i ];
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for ( var j = 0; j < src.length; j ++ ) {
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var blendSrc = src[ j ];
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var material = new THREE.MeshBasicMaterial( { map: currentMaps[ currentIndex ] } );
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material.transparent = true;
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material.blending = THREE[ blending ];
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material.blendSrc = THREE[ blendSrc ];
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material.blendDst = THREE[ blendDst ];
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material.blendEquation = THREE.AddEquation;
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var x = ( j - src.length / 2 ) * 110;
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var z = 0;
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var y = ( i - dst.length / 2 ) * 110 + 50;
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var mesh = new THREE.Mesh( geo1, material );
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mesh.position.set( x, y, z );
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mesh.matrixAutoUpdate = false;
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mesh.updateMatrix();
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scene.add( mesh );
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materials.push( material );
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}
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}
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for ( var j = 0; j < src.length; j ++ ) {
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var blendSrc = src[ j ];
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var x = ( j - src.length / 2 ) * 110;
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var z = 0;
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var y = ( 0 - dst.length / 2 ) * 110 + 50;
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var mesh = new THREE.Mesh( geo2, generateLabelMaterial( blendSrc.replace( "Factor", "" ), "rgba( 0, 150, 0, 1 )" ) );
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mesh.position.set( x, - (y - 70), z );
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mesh.matrixAutoUpdate = false;
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mesh.updateMatrix();
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scene.add( mesh );
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}
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for ( var i = 0; i < dst.length; i ++ ) {
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var blendDst = dst[ i ];
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var x = ( 0 - src.length / 2 ) * 110 - 125;
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var z = 0;
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var y = ( i - dst.length / 2 ) * 110 + 165;
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var mesh = new THREE.Mesh( geo2, generateLabelMaterial( blendDst.replace( "Factor", "" ), "rgba( 150, 0, 0, 1 )" ) );
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mesh.position.set( x, - (y - 70), z );
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mesh.matrixAutoUpdate = false;
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mesh.updateMatrix();
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scene.add( mesh );
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}
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// RENDERER
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.domElement.style.position = "absolute";
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renderer.domElement.style.left = "215px";
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document.body.appendChild( renderer.domElement );
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// EVENTS
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window.addEventListener( 'resize', onWindowResize, false );
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addImgHandler( "img_0", 0 );
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addImgHandler( "img_1", 1 );
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addImgHandler( "img_2", 2 );
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addImgHandler( "img_3", 3 );
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addImgHandler( "img_4", 4 );
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addImgHandler( "img_5", 5 );
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addImgHandler( "img_6", 6 );
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addBgHandler( "bg_0", mapBg2 );
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addBgHandler( "bg_1", mapBg0 );
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addBgHandler( "bg_2", mapBg1 );
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addBgHandler( "bg_3", mapBg3 );
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addBgHandler( "bg_4", mapBg4 );
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addBgHandler( "bg_5", mapBg5 );
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addBgHandler( "bg_6", mapBg6 );
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addEqHandler( "btn_add", THREE.AddEquation );
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addEqHandler( "btn_sub", THREE.SubtractEquation );
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addEqHandler( "btn_rsub", THREE.ReverseSubtractEquation );
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addPreHandler( "btn_pre", mapsPre );
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addPreHandler( "btn_nopre", mapsNoPre );
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}
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//
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function addImgHandler( id, index ) {
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var el = document.getElementById( id );
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el.addEventListener( 'click', function () {
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for ( var i = 0; i < materials.length; i ++ ) {
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materials[ i ].map = currentMaps[ index ];
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}
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currentIndex = index;
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} );
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}
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function addEqHandler( id, eq ) {
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var el = document.getElementById( id );
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el.addEventListener( 'click', function () {
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for ( var i = 0; i < materials.length; i ++ ) {
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materials[ i ].blendEquation = eq;
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}
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document.getElementById( "btn_add" ).style.backgroundColor = "transparent";
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document.getElementById( "btn_sub" ).style.backgroundColor = "transparent";
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document.getElementById( "btn_rsub" ).style.backgroundColor = "transparent";
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el.style.backgroundColor = "darkorange";
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});
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}
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function addBgHandler( id, map ) {
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var el = document.getElementById( id );
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el.addEventListener( 'click', function () { materialBg.map = map; } );
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}
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function addPreHandler( id, marray ) {
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var el = document.getElementById( id );
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el.addEventListener( 'click', function () {
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currentMaps = marray;
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for ( var i = 0; i < materials.length; i ++ ) {
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materials[ i ].map = currentMaps[ currentIndex ];
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}
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document.getElementById( "btn_pre" ).style.backgroundColor = "transparent";
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document.getElementById( "btn_nopre" ).style.backgroundColor = "transparent";
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el.style.backgroundColor = "darkorange";
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} );
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}
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//
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function onWindowResize( event ) {
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renderer.setSize( window.innerWidth, window.innerHeight );
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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}
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//
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function generateLabelMaterial( text, bg ) {
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var x = document.createElement( "canvas" );
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var xc = x.getContext( "2d" );
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x.width = 128;
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x.height = 32;
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xc.fillStyle = bg;
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xc.fillRect( 0, 0, 128, 32 );
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//xc.shadowColor = "#000";
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//xc.shadowBlur = 3;
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xc.fillStyle = "white";
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xc.font = "12pt arial bold";
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xc.fillText( text, 8, 22 );
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var map = new THREE.Texture( x );
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map.needsUpdate = true;
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var material = new THREE.MeshBasicMaterial( { map: map, transparent: true } );
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return material;
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}
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function animate() {
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requestAnimationFrame( animate );
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var time = Date.now() * 0.00025;
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var ox = ( time * -0.01 * materialBg.map.repeat.x ) % 1;
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var oy = ( time * -0.01 * materialBg.map.repeat.y ) % 1;
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materialBg.map.offset.set( ox, oy );
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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