mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-25 04:23:47 +01:00
229 lines
5.0 KiB
HTML
229 lines
5.0 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 - sprites</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: #ffffff;
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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: #8888ff;
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}
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#info {
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position: absolute;
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width: 100%;
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color: #000000;
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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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</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/libs/tween.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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<div id="container"></div>
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<div id="info"><a href="http://threejs.org" target="_blank">three.js css3d</a> - sprites.</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 particlesTotal = 512;
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var positions = [];
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var objects = [];
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var current = 0;
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init();
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animate();
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function init() {
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camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 5000 );
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camera.position.set( 600, 400, 1500 );
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camera.lookAt( new THREE.Vector3() );
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scene = new THREE.Scene();
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var image = document.createElement( 'img' );
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image.addEventListener( 'load', function ( event ) {
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for ( var i = 0; i < particlesTotal; i ++ ) {
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var object = new THREE.CSS3DSprite( image.cloneNode() );
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object.position.x = Math.random() * 4000 - 2000,
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object.position.y = Math.random() * 4000 - 2000,
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object.position.z = Math.random() * 4000 - 2000
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scene.add( object );
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objects.push( object );
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}
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transition();
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}, false );
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image.src = 'textures/sprite.png';
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// Plane
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var amountX = 16;
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var amountZ = 32;
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var separation = 150;
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var offsetX = ( ( amountX - 1 ) * separation ) / 2;
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var offsetZ = ( ( amountZ - 1 ) * separation ) / 2;
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for ( var i = 0; i < particlesTotal; i ++ ) {
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var x = ( i % amountX ) * separation;
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var z = Math.floor( i / amountX ) * separation;
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var y = ( Math.sin( x * 0.5 ) + Math.sin( z * 0.5 ) ) * 200;
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positions.push( x - offsetX, y, z - offsetZ );
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}
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// Cube
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var amount = 8;
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var separation = 150;
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var offset = ( ( amount - 1 ) * separation ) / 2;
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for ( var i = 0; i < particlesTotal; i ++ ) {
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var x = ( i % amount ) * separation;
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var y = Math.floor( ( i / amount ) % amount ) * separation;
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var z = Math.floor( i / ( amount * amount ) ) * separation;
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positions.push( x - offset, y - offset, z - offset );
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}
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// Random
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for ( var i = 0; i < particlesTotal; i ++ ) {
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positions.push(
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Math.random() * 4000 - 2000,
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Math.random() * 4000 - 2000,
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Math.random() * 4000 - 2000
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);
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}
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// Sphere
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var radius = 750;
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for ( var i = 0; i < particlesTotal; i ++ ) {
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var phi = Math.acos( -1 + ( 2 * i ) / particlesTotal );
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var theta = Math.sqrt( particlesTotal * Math.PI ) * phi;
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positions.push(
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radius * Math.cos( theta ) * Math.sin( phi ),
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radius * Math.sin( theta ) * Math.sin( phi ),
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radius * Math.cos( phi )
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);
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}
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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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renderer.domElement.style.position = 'absolute';
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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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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function transition() {
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var offset = current * particlesTotal * 3;
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var duration = 2000;
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for ( var i = 0, j = offset; i < particlesTotal; i ++, j += 3 ) {
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var object = objects[ i ];
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new TWEEN.Tween( object.position )
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.to( {
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x: positions[ j ],
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y: positions[ j + 1 ],
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z: positions[ j + 2 ]
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}, Math.random() * duration + duration )
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.easing( TWEEN.Easing.Exponential.InOut )
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.start();
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}
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new TWEEN.Tween( this )
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.to( {}, duration * 3 )
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.onComplete( transition )
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.start();
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current = ( current + 1 ) % 4;
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}
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function animate() {
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requestAnimationFrame( animate );
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TWEEN.update();
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controls.update();
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var time = performance.now();
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for ( var i = 0, l = objects.length; i < l; i ++ ) {
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var object = objects[ i ];
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var scale = Math.sin( ( Math.floor( object.position.x ) + time ) * 0.002 ) * 0.3 + 1;
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object.scale.set( scale, scale, scale );
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}
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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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