samien
/
three.js
oglindă de https://github.com/mrdoob/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgpu - stereo</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<link type="text/css" rel="stylesheet" href="main.css">
	</head>

	<body>
		<div id="info">
			<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - stereo. skybox by <a href="http://www.zfight.com/" target="_blank" rel="noopener">Jochum Skoglund</a>
		</div>

		<script type="importmap">
			{
				"imports": {
					"three": "../build/three.webgpu.js",
					"three/tsl": "../build/three.webgpu.js",
					"three/addons/": "./jsm/"
				}
			}
		</script>

		<script type="module">

			import * as THREE from 'three';

			import { stereoPass } from 'three/tsl';

			let camera, scene, renderer, postProcessing;

			let mesh, dummy;

			let mouseX = 0, mouseY = 0;

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

			const position = new THREE.Vector3();

			init();

			function init() {

				camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.1, 100 );
				camera.position.z = 3;

				scene = new THREE.Scene();
				scene.background = new THREE.CubeTextureLoader()
					.setPath( 'textures/cube/Park3Med/' )
					.load( [ 'px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg' ] );

				const geometry = new THREE.SphereGeometry( 0.1, 32, 16 );

				const textureCube = new THREE.CubeTextureLoader()
					.setPath( 'textures/cube/Park3Med/' )
					.load( [ 'px.jpg', 'nx.jpg', 'py.jpg', 'ny.jpg', 'pz.jpg', 'nz.jpg' ] );
				textureCube.mapping = THREE.CubeRefractionMapping;

				const material = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: textureCube, refractionRatio: 0.95 } );

				mesh = new THREE.InstancedMesh( geometry, material, 500 );
				mesh.instanceMatrix.setUsage( THREE.DynamicDrawUsage );
			
				dummy = new THREE.Mesh();

				for ( let i = 0; i < 500; i ++ ) {

					dummy.position.x = Math.random() * 10 - 5;
					dummy.position.y = Math.random() * 10 - 5;
					dummy.position.z = Math.random() * 10 - 5;
					dummy.scale.x = dummy.scale.y = dummy.scale.z = Math.random() * 3 + 1;
			
					dummy.updateMatrix();

					mesh.setMatrixAt( i, dummy.matrix );

				}

				scene.add( mesh );

				//

				renderer = new THREE.WebGPURenderer();
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setAnimationLoop( animate );
				document.body.appendChild( renderer.domElement );

				postProcessing = new THREE.PostProcessing( renderer );
				const pass = stereoPass( scene, camera );
				postProcessing.outputNode = pass;

				//

				window.addEventListener( 'resize', onWindowResize );

				document.addEventListener( 'mousemove', onDocumentMouseMove );

			}

			function onWindowResize() {

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

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

			}

			function onDocumentMouseMove( event ) {

				mouseX = ( event.clientX - windowHalfX ) * 0.01;
				mouseY = ( event.clientY - windowHalfY ) * 0.01;

			}

			function extractPosition( matrix, position ) {

				position.x = matrix.elements[ 12 ];
				position.y = matrix.elements[ 13 ];
				position.z = matrix.elements[ 14 ];

			}

			//

			function animate() {

				const timer = 0.0001 * Date.now();

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

				for ( let i = 0; i < mesh.count; i ++ ) {

					mesh.getMatrixAt( i, dummy.matrix );

					extractPosition( dummy.matrix, position );

					position.x = 5 * Math.cos( timer + i );
					position.y = 5 * Math.sin( timer + i * 1.1 );

					dummy.matrix.setPosition( position );

					mesh.setMatrixAt( i, dummy.matrix );

					mesh.instanceMatrix.needsUpdate = true;

				}

				postProcessing.render();

			}

		</script>

	</body>
</html>