mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-10 21:45:57 +10:00
129 lines
2.9 KiB
HTML
129 lines
2.9 KiB
HTML
<!DOCTYPE HTML>
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<html lang="en">
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<head>
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<title>three.js - particles - random</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" src="http://github.com/mrdoob/stats.js/raw/master/build/Stats.js"></script>
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<script type="text/javascript">
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var SCREEN_WIDTH = window.innerWidth;
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var SCREEN_HEIGHT = window.innerHeight;
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var stats;
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var container;
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var particle;
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var camera;
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var scene;
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var renderer;
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var mouseX = 0;
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var mouseY = 0;
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var windowHalfX = window.innerWidth / 2;
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var windowHalfY = window.innerHeight / 2;
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init();
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setInterval(loop, 1000 / 60);
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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.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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for (var i = 0; i < 1000; i++) {
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particle = new THREE.Particle( new THREE.ParticleCircleMaterial( Math.random() * 0x808008 + 0x808080, 1 ) );
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particle.position.x = Math.random() * 2000 - 1000;
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particle.position.y = Math.random() * 2000 - 1000;
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particle.position.z = Math.random() * 2000 - 1000;
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particle.scale.x = particle.scale.y = Math.random() * 10 + 5;
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scene.add(particle);
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}
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container.appendChild(renderer.domElement);
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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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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 - camera.position.y) * .05;
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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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