threejs加载obj文件
threejs加载并展示obj文件：
研究了一段时间，总结下，废话少说，直接上代码：
<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - loaders - OBJ 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="model">
</div>
<script src="/ceshi03/build/three.js"></script>
<script src="/ceshi03/build/OBJLoader.js"></script>
<script src="/ceshi03/OrbitControls.js"></script>
<script>
var container;
var camera, scene, renderer;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
var object;
init();
animate();
function init() {
var Models = document.getElementById('model');
// container = document.createElement( 'div' );
// console.log(container)
// info.appendChild( container );
camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 3000 );
camera.position.x = 0;
camera.position.z = 2800;
camera.position.y = 300;
// scene
scene = new THREE.Scene();
var ambientLight = new THREE.AmbientLight( 0xcccccc, 0.3 );
scene.add( ambientLight );
var pointLight = new THREE.PointLight( 0xffffff, 0.2 );
camera.add( pointLight );
scene.add( camera );
var controls = new THREE.OrbitControls(camera);
controls.autoRotate = true;// 设置平面自动旋转
// manager
function loadModel() {
object.traverse( function ( child ) {
// if ( child.isMesh ) child.material.map = texture;
} );
object.position.y = -1050;
scene.add( object );
}
var manager = new THREE.LoadingManager( loadModel );
manager.onProgress = function ( item, loaded, total ) {
console.log( item, loaded, total );
};
// texture
// var textureLoader = new THREE.TextureLoader( manager );
//
// var texture = textureLoader.load( 'textures/UV_Grid_Sm.jpg' );
// model
function onProgress( xhr ) {
if ( xhr.lengthComputable ) {
var percentComplete = xhr.loaded / xhr.total * 100;
console.log( 'model ' + Math.round( percentComplete, 2 ) + '% downloaded' );
}
}
function onError( xhr ) {}
var loader = new THREE.OBJLoader( manager );
// loader.load( 'models/obj/male02/male02.obj', function ( obj ) {
loader.load( '/ceshi03/model.obj', function ( obj ) {
object = obj;
}, onProgress, onError );
//
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
Models.appendChild( renderer.domElement );
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
window.addEventListener( 'resize', onWindowResize, false );
}
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 onDocumentMouseMove( event ) {
mouseX = ( event.clientX - windowHalfX ) / 2;
mouseY = ( event.clientY - windowHalfY ) / 2;
}
function animate() {
requestAnimationFrame( animate );
render();
}
function render() {
// camera.position.x += ( mouseX - camera.position.x ) * .05;
// camera.position.y += ( - mouseY - camera.position.y ) * .05;
camera.position.x +=.05;
camera.position.y += .05;
camera.lookAt( scene.position );
renderer.render( scene, camera );
}
var myDate = new Date()
function ChangeFormate(floatvar) {
var f_x = parseFloat(floatvar);
if (isNaN(f_x)) {
//alert('function:changeTwoDecimal->parameter error');
return false;
}
var f_x = Math.round(f_x * 100) / 100;
var s_x = f_x.toString();
var pos_decimal = s_x.indexOf('.');
if (pos_decimal < 0) {
pos_decimal = s_x.length;
s_x += '.';
}
while (s_x.length <= pos_decimal + 2) {
s_x += '0';
}
if (floatvar < 0) {
return s_x.substring(1, s_x.length);
} else {
return s_x;
}
}
console.log(ChangeFormate(myDate))
</script>
</body>
</html>
根据上面的代码我们可以将自己的obj文件进行展示
详细代码请查看：
https://download.csdn.net/download/heidou_2016/10686774
更加详细的threejs教程，请查看