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


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - clipIntersection</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 {
				margin: 0px;
				background-color: #000000;
				overflow: hidden;
			}
		</style>
	</head>
	<body>

		<script src="../build/three.js"></script>
		<script src="js/controls/OrbitControls.js"></script>
		<script src="js/libs/stats.min.js"></script>
		<script src="js/libs/dat.gui.min.js"></script>

		<script>

			var camera, scene, renderer;
			var group;

			init();
			animate();

			function init() {

				camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 800 );

				camera.position.set( -20, 10, 50 );
				camera.lookAt( new THREE.Vector3( 0, 0, 0) );

				scene = new THREE.Scene();

				// Lights

				var light = new THREE.HemisphereLight( 0xffffbb, 0x080820, 1 );
				scene.add( light );

				var clipPlanes = [
					new THREE.Plane( new THREE.Vector3( 1,  0,  0 ), 0 ),
					new THREE.Plane( new THREE.Vector3( 0, -1,  0 ), 0 ),
					new THREE.Plane( new THREE.Vector3( 0,  0, -1 ), 0 )
				];

				scene.add( new THREE.AmbientLight( 0x505050 ) );

				group = new THREE.Object3D();

				for ( var i = 1; i < 25; i ++ ) {

					var geometry = new THREE.SphereBufferGeometry( i / 2, 48, 48 );
					var material = new THREE.MeshStandardMaterial( {
						color: new THREE.Color( Math.sin( i * 0.5 ) * 0.5 + 0.5, Math.cos( i * 1.5 ) * 0.5 + 0.5, Math.sin( i * 4.5 + 0 ) * 0.5 + 0.5 ),
						roughness: 0.95,
						metalness: 0.0,
						side: THREE.DoubleSide,
						clippingPlanes: clipPlanes,
						clipIntersection: true
					} );
					group.add( new THREE.Mesh( geometry, material ) );

				}

				scene.add( group );

				// Renderer

				var container = document.body;

				renderer = new THREE.WebGLRenderer();
				renderer.antialias = true;
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setClearColor( 0x222222 );
				renderer.localClippingEnabled = true;

				window.addEventListener( 'resize', onWindowResize, false );
				container.appendChild( renderer.domElement );

				// Stats

				stats = new Stats();
				container.appendChild( stats.dom );

				// GUI

				mode = {};
				mode.clipIntersection = true;
				mode.clipPosition = 0;

				var gui = new dat.GUI();
				gui.add( mode, 'clipIntersection' ).onChange( function () {

					var children = group.children;

					for ( var i = 0; i < children.length; i ++ ) {

						var child = children[ i ];
						child.material.clipIntersection = ! child.material.clipIntersection;

					}

				} );
				gui.add( mode, 'clipPosition', -16, 16 );

				// Controls

				var controls = new THREE.OrbitControls( camera, renderer.domElement );
				controls.target.set( 0, 1, 0 );
				controls.update();

				// Start

				startTime = Date.now();
				time = 0;

			}

			function onWindowResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();

				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function animate() {

				requestAnimationFrame( animate );

				var children = group.children;

				for ( var i = 0; i < children.length; i ++ ) {

					var current = children[ i ].material;

					for ( var j = 0; j < current.clippingPlanes.length; j ++ ) {

						var plane = current.clippingPlanes[ j ];
						plane.constant = ( 49 * plane.constant + mode.clipPosition ) / 50;

					}

				}

				stats.begin();
				renderer.render( scene, camera );
				stats.end();

			}

		</script>

	</body>
</html>