<!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 onload="init()">
<canvas id="mainCanvas" width="800px" height="600px" ></canvas>
</body>
</html>
// model
var onProgress = function(xhr) {
if (xhr.lengthComputable) {
var percentComplete = xhr.loaded / xhr.total * 100;
console.log(Math.round(percentComplete, 2) + '% downloaded');
}
};
var onError = function(xhr) {};
THREE.Loader.Handlers.add(/\.dds$/i, new THREE.DDSLoader());
var mtlLoader = new THREE.MTLLoader();
mtlLoader.setPath('/uploads/160601/obj/');
mtlLoader.load('egg.mtl', function(materials) {
materials.preload();
var objLoader = new THREE.OBJLoader();
objLoader.setMaterials(materials);
objLoader.setPath('/uploads/160601/obj/');
objLoader.load('egg.obj', function(object) {
object.position.y = -0.5;
scene.add(object);
}, onProgress, onError);
});
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