javascript
/
three.js
镜像来自 https://github.com/tazdij/three.js.git


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
	<head>
		<title>three.js webgl - materials - compressed textures</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: #050505;
				color: #fff;
				overflow: hidden;
			}

			a { color: #e00 }

			#info {
				position: absolute;
				top: 0px; width: 100%;
				color: #ffffff;
				padding: 5px;
				font-family:Monospace;
				font-size:13px;
				text-align:center;
				z-index:1000;
			}
		</style>
	</head>
	<body>

		<div id="info">
			<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl - PVR compressed textures
		</div>

		<script src="../build/three.js"></script>
		<script src="js/loaders/PVRLoader.js"></script>

		<script src="js/WebGL.js"></script>

		<script>

			if ( WEBGL.isWebGLAvailable() === false ) {

				document.body.appendChild( WEBGL.getWebGLErrorMessage() );

			}

			var camera, scene, renderer;
			var meshes = [];

			init();
			animate();

			function init() {

				camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 2000 );
				camera.position.z = 1000;

				scene = new THREE.Scene();

				var geometry = new THREE.BoxBufferGeometry( 200, 200, 200 );

				//

				var onCube1Loaded = function ( texture ) {

					texture.magFilter = THREE.LinearFilter;
					texture.minFilter = THREE.LinearFilter;
					texture.mapping = THREE.CubeReflectionMapping;
					material6.needsUpdate = true;

				};

				var onCube2Loaded = function ( texture ) {

					texture.magFilter = THREE.LinearFilter;
					// texture.minFilter = THREE.LinearMipMapNearestFilter;
					texture.minFilter = THREE.LinearFilter;
					texture.mapping = THREE.CubeReflectionMapping;
					material8.needsUpdate = true;

				};

				//

				var loader = new THREE.PVRLoader();

				var disturb_4bpp_rgb = loader.load( 'textures/compressed/disturb_4bpp_rgb.pvr' );
				var disturb_4bpp_rgb_v3 = loader.load( 'textures/compressed/disturb_4bpp_rgb_v3.pvr' );
				var disturb_4bpp_rgb_mips = loader.load( 'textures/compressed/disturb_4bpp_rgb_mips.pvr' );
				var disturb_2bpp_rgb = loader.load( 'textures/compressed/disturb_2bpp_rgb.pvr' );
				var flare_4bpp_rgba = loader.load( 'textures/compressed/flare_4bpp_rgba.pvr' );
				var flare_2bpp_rgba = loader.load( 'textures/compressed/flare_2bpp_rgba.pvr' );
				var park3_cube_nomip_4bpp_rgb = loader.load( 'textures/compressed/park3_cube_nomip_4bpp_rgb.pvr', onCube1Loaded );
				var park3_cube_mip_2bpp_rgb_v3 = loader.load( 'textures/compressed/park3_cube_mip_2bpp_rgb_v3.pvr', onCube2Loaded );

				disturb_2bpp_rgb.minFilter =
				disturb_2bpp_rgb.magFilter =
				flare_4bpp_rgba.minFilter =
				flare_4bpp_rgba.magFilter =
				disturb_4bpp_rgb.minFilter =
				disturb_4bpp_rgb.magFilter =
				disturb_4bpp_rgb_v3.minFilter =
				disturb_4bpp_rgb_v3.magFilter =
				flare_2bpp_rgba.minFilter =
				flare_2bpp_rgba.magFilter = THREE.LinearFilter;

				var material1 = new THREE.MeshBasicMaterial( { map: disturb_4bpp_rgb } );
				var material2 = new THREE.MeshBasicMaterial( { map: disturb_4bpp_rgb_mips } );
				var material3 = new THREE.MeshBasicMaterial( { map: disturb_2bpp_rgb } );
				var material4 = new THREE.MeshBasicMaterial( { map: flare_4bpp_rgba, side: THREE.DoubleSide, depthTest: false, transparent: true } );
				var material5 = new THREE.MeshBasicMaterial( { map: flare_2bpp_rgba, side: THREE.DoubleSide, depthTest: false, transparent: true } );
				var material6 = new THREE.MeshBasicMaterial( { envMap: park3_cube_nomip_4bpp_rgb } );
				var material8 = new THREE.MeshBasicMaterial( { envMap: park3_cube_mip_2bpp_rgb_v3 } );

				var material7 = new THREE.MeshBasicMaterial( { map: disturb_4bpp_rgb_v3 } );

				//

				var mesh = new THREE.Mesh( geometry, material1 );
				mesh.position.x = - 500;
				mesh.position.y = 200;
				scene.add( mesh );
				meshes.push( mesh );

				mesh = new THREE.Mesh( geometry, material2 );
				mesh.position.x = - 166;
				mesh.position.y = 200;
				scene.add( mesh );
				meshes.push( mesh );

				mesh = new THREE.Mesh( geometry, material3 );
				mesh.position.x = 166;
				mesh.position.y = 200;
				scene.add( mesh );
				meshes.push( mesh );

				mesh = new THREE.Mesh( geometry, material7 );
				mesh.position.x = 500;
				mesh.position.y = 200;
				scene.add( mesh );
				meshes.push( mesh );

				mesh = new THREE.Mesh( geometry, material4 );
				mesh.position.x = - 500;
				mesh.position.y = - 200;
				scene.add( mesh );
				meshes.push( mesh );

				mesh = new THREE.Mesh( geometry, material5 );
				mesh.position.x = - 166;
				mesh.position.y = - 200;
				scene.add( mesh );
				meshes.push( mesh );

				var torus = new THREE.TorusBufferGeometry( 100, 50, 32, 24 );

				mesh = new THREE.Mesh( torus, material6 );
				mesh.position.x = 166;
				mesh.position.y = - 200;
				scene.add( mesh );
				meshes.push( mesh );

				mesh = new THREE.Mesh( torus, material8 );
				mesh.position.x = 500;
				mesh.position.y = - 200;
				scene.add( mesh );
				meshes.push( mesh );

				//

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setPixelRatio( window.devicePixelRatio );
				renderer.setSize( window.innerWidth, window.innerHeight );
				document.body.appendChild( renderer.domElement );

				window.addEventListener( 'resize', onWindowResize, false );

			}

			function onWindowResize() {

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

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

			}

			function animate() {

				requestAnimationFrame( animate );

				var time = Date.now() * 0.001;

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

					var mesh = meshes[ i ];
					mesh.rotation.x = time;
					mesh.rotation.y = time;

				}

				renderer.render( scene, camera );

			}

		</script>

	</body>
</html>