【three.js练习程序】动画效果,100个方块随机运动
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>ceshi</title> <script type="text/javascript" src="C:\Users\asus\Desktop\three.js-master\three.js-master\build\three.js"></script> <style> body { margin: 0; overflow: hidden; } </style> </head> <body> <!-- 作为Three.js渲染器输出元素 --> <div id="WebGL-output"> </div> <!-- 第一个 Three.js 样例代码 --> <script type="text/javascript"> var cube = new Array(100); var camera, scene, renderer; var id = null; init(); function init() { scene = new THREE.Scene(); camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000); camera.position.x = 100; camera.position.y = 100; camera.position.z = 100; camera.lookAt(scene.position); //创建一个WebGL渲染器并设置其大小 renderer = new THREE.WebGLRenderer(); renderer.setClearColor(new THREE.Color(0xEEEEEE)); renderer.setSize(window.innerWidth, window.innerHeight); var axes = new THREE.AxisHelper(200); scene.add(axes); for(var i=0;i<100;i++) { var geometry = new THREE.BoxGeometry( 5, 5, 5 ); for ( var j = 0; j < geometry.faces.length; j +=2 ) { var hex = Math.random() * 0xffffff; geometry.faces[ j ].color.setHex( hex ); geometry.faces[ j + 1 ].color.setHex( hex ); } var material = new THREE.MeshBasicMaterial( { vertexColors: THREE.FaceColors, overdraw: 0.5 } ); cube[i] = new THREE.Mesh( geometry, material ); cube[i].position.x = Math.random()*100-50; cube[i].position.y = Math.random()*100-50; cube[i].position.z = Math.random()*100-50; scene.add( cube[i] ); id = setInterval(render, 33); } function render() { for(var i=0;i<100;i++) { cube[i].position.x += Math.random()-0.5; cube[i].position.y += Math.random()-0.5; cube[i].position.z += Math.random()-0.5; if(Math.abs(cube[i].position.x)>100) cube[i].position.x=0; if(Math.abs(cube[i].position.y)>100) cube[i].position.y=0; if(Math.abs(cube[i].position.z)>100) cube[i].position.z=0; } renderer.render( scene, camera ); } document.getElementById("WebGL-output").appendChild(renderer.domElement); } </script> </body> </html>