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webgl_loader_texture_pvrtc.html
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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>