mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-23 05:57:57 +01:00
518 lines
11 KiB
HTML
518 lines
11 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<title>three.js css3d - molecules</title>
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<style>
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html, body {
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height: 100%;
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}
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body {
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background-color: #050505;
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background: rgb(43,45,48); /* Old browsers */
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background: -moz-radial-gradient(center, ellipse cover, rgba(43,45,48,1) 0%, rgba(0,0,0,1) 100%); /* FF3.6+ */
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background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%,rgba(43,45,48,1)), color-stop(100%,rgba(0,0,0,1))); /* Chrome,Safari4+ */
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background: -webkit-radial-gradient(center, ellipse cover, rgba(43,45,48,1) 0%,rgba(0,0,0,1) 100%); /* Chrome10+,Safari5.1+ */
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background: -o-radial-gradient(center, ellipse cover, rgba(43,45,48,1) 0%,rgba(0,0,0,1) 100%); /* Opera 12+ */
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background: -ms-radial-gradient(center, ellipse cover, rgba(43,45,48,1) 0%,rgba(0,0,0,1) 100%); /* IE10+ */
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background: radial-gradient(ellipse at center, rgba(43,45,48,1) 0%,rgba(0,0,0,1) 100%); /* W3C */
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margin: 0;
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font-family: Arial;
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overflow: hidden;
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}
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a {
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color: #ffffff;
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}
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#info {
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position: absolute;
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top: 0px;
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width: 100%;
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color: #ffffff;
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padding: 5px;
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font-family: Monospace;
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font-size: 13px;
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font-weight: bold;
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text-align: center;
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z-index: 1;
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}
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#menu {
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position: absolute;
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bottom: 20px;
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width: 100%;
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text-align: center;
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padding: 0;
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margin: 0;
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}
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#topmenu {
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position: absolute;
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top: 10px;
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right: 10px;
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width: 100%;
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text-align: right;
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padding: 0;
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margin: 0;
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z-index: 1;
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}
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button {
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color: rgb(255,255,255);
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background: transparent;
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border: 0px;
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padding: 5px 10px;
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cursor: pointer;
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}
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button:hover {
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background-color: rgba(0,255,255,0.5);
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}
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button:active {
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color: #000000;
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background-color: rgba(0,255,255,1);
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}
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.bond {
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width: 5px;
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height: 10px;
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background: #eee;
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display: block;
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}
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</style>
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</head>
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<body>
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<script src="../build/three.min.js"></script>
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<script src="js/controls/TrackballControls.js"></script>
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<script src="js/renderers/CSS3DRenderer.js"></script>
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<script src="js/loaders/PDBLoader.js"></script>
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<div id="container"></div>
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<div id="info"><a href="http://threejs.org" target="_blank">three.js css3d</a> - molecules</div>
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<div id="topmenu">
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<button id="b_a">Atoms</button>
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<button id="b_b">Bonds</button>
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<button id="b_ab">Atoms + Bonds</button>
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</div>
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<div id="menu"></div>
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<script>
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var camera, scene, renderer;
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var controls;
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var root;
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var objects = [];
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var tmpVec1 = new THREE.Vector3();
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var tmpVec2 = new THREE.Vector3();
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var tmpVec3 = new THREE.Vector3();
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var tmpVec4 = new THREE.Vector3();
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var visualizationType = 2;
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var MOLECULES = {
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"Ethanol": "ethanol.pdb",
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"Aspirin": "aspirin.pdb",
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"Caffeine": "caffeine.pdb",
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"Nicotine": "nicotine.pdb",
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"LSD": "lsd.pdb",
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"Cocaine": "cocaine.pdb",
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"Cholesterol": "cholesterol.pdb",
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"Lycopene": "lycopene.pdb",
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"Glucose": "glucose.pdb",
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"Aluminium oxide": "Al2O3.pdb",
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"Cubane": "cubane.pdb",
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"Copper": "cu.pdb",
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"Fluorite": "caf2.pdb",
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"Salt": "nacl.pdb",
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"YBCO superconductor": "ybco.pdb",
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"Buckyball": "buckyball.pdb",
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//"Diamond": "diamond.pdb",
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"Graphite": "graphite.pdb"
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};
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var loader = new THREE.PDBLoader();
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var colorSpriteMap = {};
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var baseSprite = document.createElement( 'img' );
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var menu = document.getElementById( "menu" );
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init();
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animate();
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function init() {
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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 5000 );
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camera.position.z = 1500;
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scene = new THREE.Scene();
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root = new THREE.Object3D();
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scene.add( root );
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//
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renderer = new THREE.CSS3DRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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document.getElementById( 'container' ).appendChild( renderer.domElement );
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//
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controls = new THREE.TrackballControls( camera, renderer.domElement );
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controls.rotateSpeed = 0.5;
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controls.addEventListener( 'change', render );
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//
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baseSprite.onload = function () {
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loadMolecule( "models/molecules/caffeine.pdb" );
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createMenu();
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};
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baseSprite.src = 'textures/sprites/ball.png';
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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//
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function generateButtonCallback( url ) {
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return function ( event ) {
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loadMolecule( url );
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}
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}
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function createMenu() {
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for ( var m in MOLECULES ) {
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var button = document.createElement( 'button' );
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button.innerHTML = m;
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menu.appendChild( button );
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var url = "models/molecules/" + MOLECULES[ m ];
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button.addEventListener( 'click', generateButtonCallback( url ), false );
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}
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var b_a = document.getElementById( "b_a" );
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var b_b = document.getElementById( "b_b" );
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var b_ab = document.getElementById( "b_ab" );
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b_a.addEventListener( 'click', function() { visualizationType = 0; showAtoms() } );
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b_b.addEventListener( 'click', function() { visualizationType = 1; showBonds() } );
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b_ab.addEventListener( 'click', function() { visualizationType = 2; showAtomsBonds() } );
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}
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//
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function showAtoms() {
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for ( var i = 0; i < objects.length; i ++ ) {
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var object = objects[ i ];
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if ( object instanceof THREE.CSS3DSprite ) {
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object.element.style.display = "";
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object.visible = true;
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} else {
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object.element.style.display = "none";
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object.visible = false;
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}
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}
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}
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function showBonds() {
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for ( var i = 0; i < objects.length; i ++ ) {
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var object = objects[ i ];
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if ( object instanceof THREE.CSS3DSprite ) {
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object.element.style.display = "none";
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object.visible = false;
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} else {
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object.element.style.display = "";
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object.element.style.height = object.userData.bondLengthFull;
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object.visible = true;
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}
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}
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}
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function showAtomsBonds() {
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for ( var i = 0; i < objects.length; i ++ ) {
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var object = objects[ i ];
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object.element.style.display = "";
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object.visible = true;
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if ( ! ( object instanceof THREE.CSS3DSprite ) ) {
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object.element.style.height = object.userData.bondLengthShort;
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}
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}
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}
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//
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function colorify( ctx, width, height, color, a ) {
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var r = color.r;
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var g = color.g;
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var b = color.b;
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var imageData = ctx.getImageData( 0, 0, width, height );
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var data = imageData.data;
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for ( var y = 0; y < height; y ++ ) {
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for ( var x = 0; x < width; x ++ ) {
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var index = ( y * width + x ) * 4;
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data[ index ] *= r;
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data[ index + 1 ] *= g;
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data[ index + 2 ] *= b;
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data[ index + 3 ] *= a;
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}
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}
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ctx.putImageData( imageData, 0, 0 );
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}
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function imageToCanvas( image ) {
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var width = image.width;
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var height = image.height;
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var canvas = document.createElement( 'canvas' );
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canvas.width = width;
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canvas.height = height;
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var context = canvas.getContext( '2d' );
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context.drawImage( image, 0, 0, width, height );
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return canvas;
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}
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//
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function loadMolecule( url ) {
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for ( var i = 0; i < objects.length; i ++ ) {
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var object = objects[ i ];
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object.parent.remove( object );
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}
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objects = [];
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loader.load( url, function ( geometry, geometryBonds ) {
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var offset = geometry.center();
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geometryBonds.applyMatrix( new THREE.Matrix4().makeTranslation( offset.x, offset.y, offset.z ) );
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for ( var i = 0; i < geometry.vertices.length; i ++ ) {
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var position = geometry.vertices[ i ];
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var color = geometry.colors[ i ];
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var element = geometry.elements[ i ];
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if ( ! colorSpriteMap[ element ] ) {
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var canvas = imageToCanvas( baseSprite );
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var context = canvas.getContext( '2d' );
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colorify( context, canvas.width, canvas.height, color, 1 );
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var dataUrl = canvas.toDataURL();
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colorSpriteMap[ element ] = dataUrl;
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}
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colorSprite = colorSpriteMap[ element ];
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var atom = document.createElement( 'img' );
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atom.src = colorSprite;
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var object = new THREE.CSS3DSprite( atom );
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object.position.copy( position );
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object.position.multiplyScalar( 75 );
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object.matrixAutoUpdate = false;
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object.updateMatrix();
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root.add( object );
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objects.push( object );
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}
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for ( var i = 0; i < geometryBonds.vertices.length; i += 2 ) {
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var start = geometryBonds.vertices[ i ];
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var end = geometryBonds.vertices[ i + 1 ];
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start.multiplyScalar( 75 );
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end.multiplyScalar( 75 );
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tmpVec1.subVectors( end, start );
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var bondLength = tmpVec1.length() - 50;
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//
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var bond = document.createElement( 'div' );
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bond.className = "bond";
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bond.style.height = bondLength + "px";
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var object = new THREE.CSS3DObject( bond );
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object.position.copy( start );
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object.position.lerp( end, 0.5 );
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object.userData.bondLengthShort = bondLength + "px";
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object.userData.bondLengthFull = ( bondLength + 55 ) + "px";
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//
|
||
|
|
|
||
|
|
var axis = tmpVec2.set( 0, 1, 0 ).cross( tmpVec1 );
|
||
|
|
var radians = Math.acos( tmpVec3.set( 0, 1, 0 ).dot( tmpVec4.copy( tmpVec1 ).normalize() ) );
|
||
|
|
|
||
|
|
var objMatrix = new THREE.Matrix4().makeRotationAxis( axis.normalize(), radians );
|
||
|
|
object.matrix = objMatrix;
|
||
|
|
object.rotation.setFromRotationMatrix( object.matrix, object.rotation.order );
|
||
|
|
|
||
|
|
object.matrixAutoUpdate = false;
|
||
|
|
object.updateMatrix();
|
||
|
|
|
||
|
|
root.add( object );
|
||
|
|
|
||
|
|
objects.push( object );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
var bond = document.createElement( 'div' );
|
||
|
|
bond.className = "bond";
|
||
|
|
bond.style.height = bondLength + "px";
|
||
|
|
|
||
|
|
var joint = new THREE.Object3D( bond );
|
||
|
|
joint.position.copy( start );
|
||
|
|
joint.position.lerp( end, 0.5 );
|
||
|
|
|
||
|
|
joint.matrix.copy( objMatrix );
|
||
|
|
joint.rotation.setFromRotationMatrix( joint.matrix, joint.rotation.order );
|
||
|
|
|
||
|
|
joint.matrixAutoUpdate = false;
|
||
|
|
joint.updateMatrix();
|
||
|
|
|
||
|
|
var object = new THREE.CSS3DObject( bond );
|
||
|
|
object.rotation.y = Math.PI/2;
|
||
|
|
|
||
|
|
object.matrixAutoUpdate = false;
|
||
|
|
object.updateMatrix();
|
||
|
|
|
||
|
|
object.userData.bondLengthShort = bondLength + "px";
|
||
|
|
object.userData.bondLengthFull = ( bondLength + 55 ) + "px";
|
||
|
|
|
||
|
|
object.userData.joint = joint;
|
||
|
|
|
||
|
|
joint.add( object );
|
||
|
|
root.add( joint );
|
||
|
|
|
||
|
|
objects.push( object );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//console.log( "CSS3DObjects:", objects.length );
|
||
|
|
|
||
|
|
switch ( visualizationType ) {
|
||
|
|
|
||
|
|
case 0: showAtoms(); break;
|
||
|
|
case 1: showBonds(); break;
|
||
|
|
case 2: showAtomsBonds(); break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
render();
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
camera.aspect = window.innerWidth / window.innerHeight;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
render();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
controls.update();
|
||
|
|
|
||
|
|
var time = Date.now() * 0.0004;
|
||
|
|
|
||
|
|
root.rotation.x = time;
|
||
|
|
root.rotation.y = time * 0.7;
|
||
|
|
|
||
|
|
render();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
|
||
|
|
</html>
|