61 lines
1.8 KiB
JavaScript
61 lines
1.8 KiB
JavaScript
// 场景、相机、光源定义定义
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var scene = new THREE.Scene();
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var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000000);
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camera.up.set(0,0,1);
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var light = new THREE.AmbientLight(0xffffff);
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scene.add(light);
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// 渲染器定义
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var canvas = document.createElement( 'canvas' );
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canvas.id = 'model';
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var context = canvas.getContext( 'webgl2', {antialias: true, preserveDrawingBuffer: true});
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var renderer = new THREE.WebGLRenderer({canvas: canvas, context: context, logarithmicDepthBuffer: true});
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renderer.setSize(window.innerWidth, window.innerHeight);
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renderer.setClearColor(0xffffff);
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document.body.appendChild(renderer.domElement);
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window.addEventListener('resize', onWindowResize);
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// 相机控制
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var controls = new THREE.OrbitControls(camera, renderer.domElement);
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// 加载模型数据
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const loader = new THREE.FileLoader();
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loader.load(
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'/demo/res/single-demo.json',
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function(data)
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{
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var bimScene = BIMLoader(JSON.parse(data));
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var box = new THREE.Box3();
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box.expandByObject(bimScene);
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box.expandByScalar(10000);
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var cameraPos = new THREE.Vector3(box.min.x, box.min.y, box.max.z);
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camera.position.copy(cameraPos);
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controls.target = box.getCenter();
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scene.add(bimScene);
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},
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function(xhr)
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{
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console.log((xhr.loaded / xhr.total * 100) + '% loaded');
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},
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function(err)
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{
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console.error('An error happened');
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}
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);
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function onWindowResize()
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{
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize(window.innerWidth, window.innerHeight);
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}
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function animate() {
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requestAnimationFrame( animate );
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controls.update();
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renderer.render( scene, camera );
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}
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animate();
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