mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-09 13:06:01 +10:00
156 lines
3.6 KiB
HTML
156 lines
3.6 KiB
HTML
<!DOCTYPE HTML>
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<html lang="en">
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<head>
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<title>three.js - particles - floor</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"/>
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<style type="text/css">
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body {
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background-color: #000000;
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margin: 0px;
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overflow: hidden;
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}
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a {
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color:#0078ff;
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}
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</style>
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</head>
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<body>
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<script type="text/javascript" src="../build/Three.js"></script>
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<script type="text/javascript">
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var SCREEN_WIDTH = window.innerWidth,
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SCREEN_HEIGHT = window.innerHeight,
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mouseX = 0, mouseY = 0,
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windowHalfX = window.innerWidth / 2,
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windowHalfY = window.innerHeight / 2,
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SEPARATION = 200,
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AMOUNTX = 10,
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AMOUNTY = 10,
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camera, scene, renderer,
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stats;
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init();
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setInterval(loop, 1000 / 60);
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function init() {
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var container, separation = 100, amountX = 50, amountY = 50,
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particles, particle, material;
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container = document.createElement('div');
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document.body.appendChild(container);
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camera = new THREE.Camera( 75, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 10000 );
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camera.position.z = 1000;
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scene = new THREE.Scene();
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renderer = new THREE.CanvasRenderer();
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renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
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container.appendChild(renderer.domElement);
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// particles
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material = new THREE.ParticleCircleMaterial( { color: 0xffffff, opacity: 1 } );
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for (var i = 0; i < 1000; i++) {
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particle = new THREE.Particle( material );
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particle.position.x = Math.random() * 2 - 1;
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particle.position.y = Math.random() * 2 - 1;
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particle.position.z = Math.random() * 2 - 1;
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particle.position.normalize();
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particle.position.multiplyScalar( Math.random() * 10 + 450 );
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scene.addObject( particle );
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}
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// lines
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for (var i = 0; i < 300; i++) {
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var geometry = new THREE.Geometry();
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var vector = new THREE.Vector3( Math.random() * 2 - 1, Math.random() * 2 - 1, Math.random() * 2 - 1 );
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vector.normalize();
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vector.multiplyScalar( 450 );
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geometry.vertices.push( new THREE.Vertex( vector ) );
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var vector2 = vector.clone();
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vector2.multiplyScalar( Math.random() * 0.3 + 1 );
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geometry.vertices.push( new THREE.Vertex( vector2 ) );
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var line = new THREE.Line( geometry, new THREE.LineBasicMaterial( { color: 0xffffff, opacity: Math.random() } ) );
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scene.addObject(line);
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}
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/*
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stats = new Stats();
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stats.domElement.style.position = 'absolute';
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stats.domElement.style.top = '0px';
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container.appendChild(stats.domElement);
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*/
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document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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document.addEventListener( 'touchstart', onDocumentTouchStart, false );
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document.addEventListener( 'touchmove', onDocumentTouchMove, false );
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}
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//
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function onDocumentMouseMove(event) {
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mouseX = event.clientX - windowHalfX;
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mouseY = event.clientY - windowHalfY;
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}
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function onDocumentTouchStart( event ) {
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if(event.touches.length > 1) {
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event.preventDefault();
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mouseX = event.touches[ 0 ].pageX - windowHalfX;
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mouseY = event.touches[ 0 ].pageY - windowHalfY;
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}
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}
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function onDocumentTouchMove( event ) {
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if(event.touches.length == 1) {
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event.preventDefault();
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mouseX = event.touches[ 0 ].pageX - windowHalfX;
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mouseY = event.touches[ 0 ].pageY - windowHalfY;
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}
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}
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//
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function loop() {
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camera.position.x += ( mouseX - camera.position.x ) * .05;
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camera.position.y += ( - mouseY + 200 - camera.position.y ) * .05;
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camera.updateMatrix();
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renderer.render( scene, camera );
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// stats.update();
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}
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</script>
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</body>
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</html>
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