javascript
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three.js
의 미러 https://github.com/tazdij/three.js.git


			
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		<title>three.js misc - geometry - polyfield</title>
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		<script type="text/javascript" src="js/Stats.js"></script>

		<script type="text/javascript">

			var SCREEN_WIDTH = window.innerWidth / 3;
			var SCREEN_HEIGHT = window.innerHeight;
			var AMOUNT = 100;

			var container, stats;

			var camera, scene;
			var canvasRenderer, svgRenderer, webglRenderer;

			var mesh, qrcode;

			var mouseX = 0, mouseY = 0;

			var windowHalfX = window.innerWidth / 2;
			var windowHalfY = window.innerHeight / 2;

			init();
			animate();

			function init() {

				container = document.createElement('div');
				document.body.appendChild(container);

				camera = new THREE.Camera( 75, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 100000 );
				// camera.position.x = - 5000;
				// camera.position.y = 50000;
				camera.position.z = 500

				scene = new THREE.Scene();

				// QRCODE

				qrcode = mesh = new THREE.Mesh( new Qrcode(), new THREE.MeshFaceMaterial() );
				mesh.scale.x = mesh.scale.y = mesh.scale.z = 2;
				scene.add( mesh );

				// CUBES

				var cube = new THREE.CubeGeometry( 100, 100, 100 );

				mesh = new THREE.Mesh( cube, new THREE.MeshBasicMaterial( { color: 0x0000ff, opacity: 0.5 } ) );
				mesh.position.x = 500;
				mesh.rotation.x = Math.random();
				mesh.rotation.y = Math.random();
				mesh.scale.x = mesh.scale.y = mesh.scale.z = 2;
				scene.add( mesh );

				mesh = new THREE.Mesh( cube, new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff } ) );
				mesh.position.x = 500;
				mesh.position.y = 500;
				mesh.rotation.x = Math.random();
				mesh.rotation.y = Math.random();
				mesh.scale.x = mesh.scale.y = mesh.scale.z = 2;
				scene.add( mesh );

				// PLANE

				mesh = new THREE.Mesh( new THREE.PlaneGeometry( 100, 100 ), new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff } ) );
				mesh.position.y = -500;
				mesh.scale.x = mesh.scale.y = mesh.scale.z = 2;
				mesh.doubleSided = true;
				scene.add( mesh );

				// CYLINDER

				mesh = new THREE.Mesh( new THREE.CylinderGeometry( 20, 100, 200, 10 ), new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff } ) );
				mesh.position.x = -500;
				mesh.rotation.x = - Math.PI / 2;
				mesh.scale.x = mesh.scale.y = mesh.scale.z = 2;
				scene.add( mesh );

				// POLYFIELD

				var geometry = new THREE.Geometry();

				for (var i = 0; i < 100; i ++) {

					var v = new THREE.Vector3( Math.random() * 1000 - 500, Math.random() * 1000 - 500, Math.random() * 1000 - 500 );

					var v0 = new THREE.Vertex( new THREE.Vector3( Math.random() * 100 - 50, Math.random() * 100 - 50, Math.random() * 100 - 50 ) );
					var v1 = new THREE.Vertex( new THREE.Vector3( Math.random() * 100 - 50, Math.random() * 100 - 50, Math.random() * 100 - 50 ) );
					var v2 = new THREE.Vertex( new THREE.Vector3( Math.random() * 100 - 50, Math.random() * 100 - 50, Math.random() * 100 - 50 ) );

					v0.position.addSelf( v );
					v1.position.addSelf( v );
					v2.position.addSelf( v );

					var face = new THREE.Face3( geometry.vertices.push( v0 ) - 1, geometry.vertices.push( v1 ) - 1, geometry.vertices.push( v2 ) - 1, null, new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff } ) );

					geometry.faces.push( face );
				}

				geometry.computeFaceNormals();
				geometry.computeCentroids();

				mesh = new THREE.Mesh( geometry, [ new THREE.MeshFaceMaterial(), new THREE.MeshBasicMaterial( { color: 0xff0000, opacity: 0.5, transparent: true, wireframe: true, wireframeLinewidth: 10 } ) ] );
				mesh.doubleSided = true;
				mesh.scale.x = mesh.scale.y = mesh.scale.z = 2;
				scene.add( mesh );


				// LIGHTS

				var ambient = new THREE.AmbientLight( 0x80ffff );
				scene.add( ambient );

				var directional = new THREE.DirectionalLight( 0xffff00 );
				scene.add( directional );

				canvasRenderer = new THREE.CanvasRenderer();
				canvasRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				container.appendChild( canvasRenderer.domElement );

				svgRenderer = new THREE.SVGRenderer();
				svgRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				svgRenderer.setQuality( 'low' );
				container.appendChild( svgRenderer.domElement );

				webglRenderer = new THREE.WebGLRenderer();
				webglRenderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
				// webglRenderer.setFaceCulling( 0 );
				container.appendChild( webglRenderer.domElement );

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.top = '0px';
				container.appendChild( stats.domElement );

				document.addEventListener( 'mousemove', onDocumentMouseMove, false );

			}

			function onDocumentMouseMove(event) {

				mouseX = ( event.clientX - windowHalfX );
				mouseY = ( event.clientY - windowHalfY );

			}

			//

			function animate() {

				requestAnimationFrame( animate );

				render();
				stats.update();

			}

			function render() {

				camera.position.x += ( mouseX - camera.position.x ) * .05;
				camera.position.y += ( - mouseY - camera.position.y ) * .05;
				camera.updateMatrix();

				mesh.rotation.y += 0.01;
				mesh.updateMatrix();

				/*
				qrcode.rotation.x += 0.01;
				qrcode.rotation.z += 0.02;
				*/

				canvasRenderer.render( scene, camera );
				svgRenderer.render( scene, camera );
				webglRenderer.render( scene, camera );

			}

		</script>

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