three.js渲染3D模型(obj+mtl)

直接上代码


<!DOCTYPE html>
<html>
<head>
    <title>suc</title>
   <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <style type="text/css">
        html,body {
            width: 100%;
            height: 100%;
            background: linear-gradient(to left,#d3959b,#bfe6ba);
            }
            #canvas-frame {
                border: none;
                cursor: pointer;
                width: 90%;
                height: 900px;
                float:left;
            }
        

        </style>
    <script src="./js/three.js"></script>
      <!-- 常用相机控制器,依赖文件目录 three.js\examples\js\controls -->
    <script  src="./js/controls/OrbitControls.js"></script>
    <!-- dat.gui 控制js变量 -->
     <script  src="./js/gui/dat.gui.js"></script>
     <!-- 3D模型加载-->
      <script  src="./js/loaders/OBJLoader.js"></script>
      <script  src="./js/loaders/MTLLoader.js"></script>
      <!-- 拖拽控件 -->
    
      <script  src="./js/controls/TrackballControls.js"></script>
</head>
<body onload="threeStart();">
       <div class="main" style="padding-top:50px;width:100%;height:75%">
          
            <div id="canvas-frame"></div>
       </div>

    <script>
        var axesHelper;
        var gridHelper;
        var renderer;
        var scene;
        var camera;
        var orbitcontrols;//相机控制器
        var scenecontrols;//场景控制器
        var gui_speed;//速率
        var gui_color;//颜色
        init();
        initGui();
        function initGui(){
         //颜色
        gui_color  = new dat.GUI();
        var controls_color = new function () {
            this.color = "#ffae23"; // CSS string
        };
            gui_color.addColor(controls_color, 'color');

        }





        function init(){
            //init axesHelper
            axesHelper = new THREE.AxesHelper( 10000 );
            axesHelper.position.y = 0;
            //init gridHelper
            gridHelper = new THREE.GridHelper( 100, 100, 0x485364, 0x485364 );
           
            // init renderer
            let width = document.getElementById('canvas-frame').clientWidth;
            let height = document.getElementById('canvas-frame').clientHeight;
            renderer = new THREE.WebGLRenderer({
                antialias : true
            });
            renderer.setSize(width, height);
            document.getElementById('canvas-frame').appendChild(renderer.domElement);
            renderer.setClearColor( 0x050505 );
            // init scene
            scene = new THREE.Scene();
            scene.background = new THREE.Color(0XFFFFFF);
            scene.add( axesHelper);
             scene.add(gridHelper);
            //init camera
            camera = new THREE.PerspectiveCamera(45, width / height, 1, 10000000000);
            camera.position.set(120,120,120);
            camera.up.set(0,1,0)
            camera.lookAt(0, 0, 0)
            //init orbitcontrols;
            orbitcontrols = new THREE.OrbitControls(camera,renderer.domElement);
            orbitcontrols.rotateSpeed = -0.25;
            //gui 初始化
            gui_speed = new dat.GUI();
            //旋转速率
            gui_speed.add(orbitcontrols, 'rotateSpeed',-10,10);
           
            initObject();
			initLight();
        }
		
		
		function initLight(){
			//环境光
			var light = new THREE.AmbientLight( 0xffffff ,0.5); // soft white light
			scene.add( light );

			//方向光
			var directionalLight = new THREE.DirectionalLight( 0xffffff, 0.5 );
			scene.add( directionalLight );
		}
      
    
        function initObject() {
		    var url = "http://127.0.0.1/static/obj02/1000289.obj";
			let mtlLoader = new THREE.MTLLoader();
			let objLoader = new THREE.OBJLoader();
			let mtlurl = "http://127.0.0.1/static/obj02/1000289.mtl";
			mtlLoader.load(mtlurl,function(materials){
			    console.log(materials)
				objLoader.setMaterials(materials)
				objLoader.load( url, function ( object ) {
			    console.log(object)
				object.scale.set(0.01,0.01,0.01);
				var box = new THREE.Box3().setFromObject(object);
				var center = box.getCenter();//用一个Box获取到模型的当前位置。
				object.position.set(-center.x, 0, -center.z);//将模型移回原点。
				scene.add( object );		  
			}, 
			 // 模型加载进度
			function ( xhr ) {
				console.log( ( xhr.loaded / xhr.total * 100 ) + '% loaded' );
			},
			 function ( e ) {
				console.error( e );
			});	
			})
			
          
			  
     }
	 


     
        function threeStart() {
                renderer.clear();
                requestAnimationFrame( threeStart );
                //更新相机控制器
                orbitcontrols.update();
                renderer.render( scene, camera );
            }
        
    </script>

</body>
</html>

效果

模型下载

链接:https://pan.baidu.com/s/1n8-3B5QcVBd5z3AEQIZX1g
提取码:4avi
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