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165 lines
3.7 KiB
165 lines
3.7 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - layers</title>
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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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<style>
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body {
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font-family: Monospace;
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background-color: #f0f0f0;
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margin: 0px;
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overflow: hidden;
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}
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#info {
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position: absolute;
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top: 10px;
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width: 100%;
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text-align: center;
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z-index: 0; /* to not conflict with dat.gui */
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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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<div id="info">
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<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl layers
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</div>
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<script src="../build/three.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script src='js/libs/dat.gui.min.js'></script>
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<script>
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var container, stats;
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var camera, scene, renderer;
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var radius = 100, theta = 0;
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.layers.enable( 0 ); // enabled by default
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camera.layers.enable( 1 );
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camera.layers.enable( 2 );
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0xf0f0f0 );
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var light = new THREE.PointLight( 0xffffff, 1 );
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light.layers.enable( 0 );
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light.layers.enable( 1 );
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light.layers.enable( 2 );
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scene.add( camera );
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camera.add( light );
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var colors = [ 0xff0000, 0x00ff00, 0x0000ff ];
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var geometry = new THREE.BoxBufferGeometry( 20, 20, 20 );
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var layer;
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for ( var i = 0; i < 300; i ++ ) {
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layer = ( i % 3 );
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var object = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: colors[ layer ] } ) );
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object.position.x = Math.random() * 800 - 400;
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object.position.y = Math.random() * 800 - 400;
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object.position.z = Math.random() * 800 - 400;
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object.rotation.x = Math.random() * 2 * Math.PI;
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object.rotation.y = Math.random() * 2 * Math.PI;
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object.rotation.z = Math.random() * 2 * Math.PI;
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object.scale.x = Math.random() + 0.5;
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object.scale.y = Math.random() + 0.5;
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object.scale.z = Math.random() + 0.5;
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object.layers.set( layer );
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scene.add( object );
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}
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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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container.appendChild( renderer.domElement );
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stats = new Stats();
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container.appendChild( stats.dom );
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var layers = { red: true, green: true, blue: true };
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//
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// Init gui
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var gui = new dat.GUI();
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gui.add( layers, 'red' ).onChange( function () {
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camera.layers.toggle( 0 );
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} );
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gui.add( layers, 'green' ).onChange( function () {
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camera.layers.toggle( 1 );
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} );
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gui.add( layers, 'blue' ).onChange( function () {
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camera.layers.toggle( 2 );
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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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//
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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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theta += 0.1;
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camera.position.x = radius * Math.sin( THREE.Math.degToRad( theta ) );
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camera.position.y = radius * Math.sin( THREE.Math.degToRad( theta ) );
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camera.position.z = radius * Math.cos( THREE.Math.degToRad( theta ) );
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camera.lookAt( scene.position );
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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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