您的位置：首页 > Web前端 > JavaScript

HTML5画布Three.js图像纹理

2014-01-09 13:42 441 查看

将一个图像纹理应用到与Three.js,我们可以设置材料属性映射到一个图像使用loadTexture形象实用程序。

<!DOCTYPE HTML>
<html>
<head>
<style>
body {
margin: 0px;
padding: 0px;
}
</style>
</head>
<body>
<div id="container"></div>
<script src="http://www.html5canvastutorials.com/libraries/three.min.js"></script>
<script defer="defer">
// revolutions per second
var angularSpeed = 0.2;
var lastTime = 0;

// this function is executed on each animation frame
function animate(){
// update
var time = (new Date()).getTime();
var timeDiff = time - lastTime;
var angleChange = angularSpeed * timeDiff * 2 * Math.PI / 1000;
cube.rotation.y += angleChange;
lastTime = time;

// render
renderer.render(scene, camera);

// request new frame
requestAnimationFrame(function(){
animate();
});
}

// renderer
var renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);

// camera
var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 1000);
camera.position.z = 500;

// scene
var scene = new THREE.Scene();

// material
var material = new THREE.MeshLambertMaterial({
map: THREE.ImageUtils.loadTexture('http://www.html5canvastutorials.com/demos/assets/crate.jpg')
});

// cube
var cube = new THREE.Mesh(new THREE.CubeGeometry(200, 200, 200), material);
cube.overdraw = true;
cube.rotation.x = Math.PI * 0.1;
scene.add(cube);

// add subtle ambient lighting
var ambientLight = new THREE.AmbientLight(0xbbbbbb);
scene.add(ambientLight);

// directional lighting
var directionalLight = new THREE.DirectionalLight(0xffffff);
directionalLight.position.set(1, 1, 1).normalize();
scene.add(directionalLight);

// start animation
animate();
</script>
</body>
</html>

内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理

标签： HTML5画布Three.js图像纹理

相关文章推荐

新的分享

章节导航