mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-11 22:16:05 +10:00
158 lines
3.4 KiB
HTML
158 lines
3.4 KiB
HTML
<!DOCTYPE HTML>
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<html lang="en">
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<head>
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<title>three.js - particles - waves</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 SEPARATION = 100;
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var AMOUNTX = 50;
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var AMOUNTY = 50;
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var stats;
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var container;
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var particles, particle;
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var count;
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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(0, 0, 1000);
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camera.focus = 200;
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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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particles = new Array();
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var i = 0;
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var material = new THREE.ColorFillMaterial(0xffffff, 1);
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for (var ix = 0; ix < AMOUNTX; ix++) {
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for(var iy = 0; iy < AMOUNTY; iy++) {
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particle = particles[i++] = new THREE.Particle( material );
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particle.size = 1;
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particle.position.x = ix * SEPARATION - ((AMOUNTX * SEPARATION) / 2);
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particle.position.z = iy * SEPARATION - ((AMOUNTY * SEPARATION) / 2);
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scene.add( particle );
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}
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}
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count = 0;
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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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var i = 0;
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for (var ix = 0; ix < AMOUNTX; ix++) {
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for(var iy = 0; iy < AMOUNTY; iy++) {
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particle = particles[i++];
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particle.size = (Math.sin((ix + count) * .3) + 1) * 2 + (Math.sin((iy + count) * .5) + 1) * 2;
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particle.position.y = (Math.sin((ix + count) * .3) * 50) + (Math.sin((iy + count) * .5) * 50);
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}
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}
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renderer.render(scene, camera);
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stats.update();
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count += 0.1;
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}
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</script>
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</body>
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</html>
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