小白请教一下大神们 怎么用three.js加载obj模型
推荐回答
<!DOCTYPE html><html><head><script type="text/javascript" src="libs/three.js"></script><script type="text/javascript" src="libs/OBJLoader.js"></script><script type="text/javascript">var scene = null;var camera = null;var renderer = null;var mesh = null;var id = null;function init() {renderer = new THREE.WebGLRenderer({//渲染器canvas: document.getElementById('mainCanvas')//画布});renderer.setClearColor(0x000000);//画布颜色scene = new THREE.Scene();//创建场景camera = new THREE.OrthographicCamera(-5, 5, 3.75, -3.75, 0.1, 100);//正交投影照相机camera.position.set(15, 25, 25);//相机位置camera.lookAt(new THREE.Vector3(0, 2, 0));//lookAt()设置相机所看的位置scene.add(camera);//把相机添加到场景中var loader = new THREE.OBJLoader();//在init函数中，创建loader变量，用于导入模型loader.load('libs/port.obj', function(obj) {//第一个表示模型路径，第二个表示完成导入后的回调函数，一般我们需要在这个回调函数中将导入的模型添加到场景中obj.traverse(function(child) {if (child instanceof THREE.Mesh) {child.material.side = THREE.DoubleSide;}});mesh = obj;//储存到全局变量中scene.add(obj);//将导入的模型添加到场景中});var light = new THREE.DirectionalLight(0xffffff);//光源颜色light.position.set(20, 10, 5);//光源位置scene.add(light);//光源添加到场景中id = setInterval(draw, 20);//每隔20s重绘一次}function draw() {//们在重绘函数中让茶壶旋转：renderer.render(scene, camera);//调用WebGLRenderer的render函数刷新场景mesh.rotation.y += 0.01;//添加动画if (mesh.rotation.y > Math.PI * 2) {mesh.rotation.y -= Math.PI * 2;}}</script></head><body onl oad="init()"><canvas id="mainCanvas" width="800px" height="600px" ></canvas></body></html>