前言
这篇博客针对《Html网页threejs显示obj,ply三维图像实例》编写代码，代码整洁，规则，易读。 学习与应用推荐首选。
运行结果
文章目录
一、所需工具软件
二、使用步骤
1. 主要代码
2. 运行结果
三、在线协助
一、所需工具软件
1. VS2019, Qt
2. C++
二、使用步骤
代码如下（示例）：
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - loaders - OBJ MTL loader</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>
body {
font-family: Monospace;
background-color: #000;
color: #fff;
margin: 0px;
overflow: hidden;
}
#info {
color: #fff;
position: absolute;
top: 10px;
width: 100%;
text-align: center;
z-index: 100;
display:block;
}
#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }
</style>
</head>
<body>
<div id="info">
<a href="http://threejs.org" target="_blank">three.js</a> - OBJMTLLoader test
</div>
<script src="js/three.min.js"></script>
<script src="js/MTLLoader.js"></script>
<script src="js/OBJMTLLoader.js"></script>
<script>
var container, stats;
var camera, scene, renderer;
var mouseX = 0, mouseY = 0;
init();
animate();
function init() {
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
camera.position.z = 1.5; //̹��40
// scene
scene = new THREE.Scene();
var ambien = new THREE.AmbientLight( 0x444444 );
THREE.DirectionalLight( 0xffeedd );
directionalLight.position.set( 0, 0, 1 ).normalize();
scene.add( directionalLight );
// 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 ) {
};
var loader = new THREE.OBJMTLLoader();
loader.load('js/LQ.obj', 'js/LQ.mtl', function (object) {
object.position.y = -0.4; // 0 ̹��tank -0.6 ����LQ
scene.add(object);
var start = new Date().getTime(), delta;
}, onProgress, onError );
//
function onWindowResize() {
windowHalfX = window.innerWidth / 2;
windowHalfY = window.innerHeight / 2;
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
//
function animate() {
requestAnimationFrame( animate );
render();
}
</script>
</body>
</html>
运行结果
三、在线协助：
如需安装运行环境或远程调试，见文章底部个人 QQ 名片，由专业技术人员远程协助！
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