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165 lines
4.0 KiB
165 lines
4.0 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - draggable cubes</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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font-family: Monospace;
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background-color: #f0f0f0;
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margin: 0px;
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overflow: hidden;
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}
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</style>
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</head>
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<body>
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<script src="../build/three.js"></script>
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<script src="js/controls/DragControls.js"></script>
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<script src="js/controls/TrackballControls.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script>
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var container, stats;
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var camera, controls, scene, renderer;
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var objects = [];
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 5000 );
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camera.position.z = 1000;
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controls = new THREE.TrackballControls( camera );
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controls.rotateSpeed = 1.0;
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controls.zoomSpeed = 1.2;
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controls.panSpeed = 0.8;
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controls.noZoom = false;
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controls.noPan = false;
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controls.staticMoving = true;
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controls.dynamicDampingFactor = 0.3;
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scene = new THREE.Scene();
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scene.background = new THREE.Color( 0xf0f0f0 );
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scene.add( new THREE.AmbientLight( 0x505050 ) );
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var light = new THREE.SpotLight( 0xffffff, 1.5 );
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light.position.set( 0, 500, 2000 );
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light.angle = Math.PI / 9;
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light.castShadow = true;
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light.shadow.camera.near = 1000;
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light.shadow.camera.far = 4000;
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light.shadow.mapSize.width = 1024;
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light.shadow.mapSize.height = 1024;
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scene.add( light );
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var geometry = new THREE.BoxBufferGeometry( 40, 40, 40 );
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for ( var i = 0; i < 200; i ++ ) {
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var object = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: Math.random() * 0xffffff } ) );
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object.position.x = Math.random() * 1000 - 500;
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object.position.y = Math.random() * 600 - 300;
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object.position.z = Math.random() * 800 - 400;
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object.rotation.x = Math.random() * 2 * Math.PI;
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object.rotation.y = Math.random() * 2 * Math.PI;
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object.rotation.z = Math.random() * 2 * Math.PI;
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object.scale.x = Math.random() * 2 + 1;
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object.scale.y = Math.random() * 2 + 1;
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object.scale.z = Math.random() * 2 + 1;
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object.castShadow = true;
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object.receiveShadow = true;
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scene.add( object );
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objects.push( object );
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}
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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renderer.shadowMap.enabled = true;
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renderer.shadowMap.type = THREE.PCFShadowMap;
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container.appendChild( renderer.domElement );
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var dragControls = new THREE.DragControls( objects, camera, renderer.domElement );
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dragControls.addEventListener( 'dragstart', function () {
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controls.enabled = false;
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} );
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dragControls.addEventListener( 'dragend', function () {
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controls.enabled = true;
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} );
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var info = document.createElement( 'div' );
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info.style.position = 'absolute';
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info.style.top = '10px';
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info.style.width = '100%';
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info.style.textAlign = 'center';
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info.innerHTML = '<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> webgl - draggable cubes';
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container.appendChild( info );
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stats = new Stats();
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container.appendChild( stats.dom );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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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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//
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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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controls.update();
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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