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webgl_loader_texture_hdr.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - materials - HDR texture loader</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 {
color: #fff;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
background-color: #000;
margin: 0px;
overflow: hidden;
}
#info {
color:#fff;
position: absolute;
top: 0px; width: 100%;
padding: 5px;
}
a { color: red; }
</style>
</head>
<body>
<div id="info">
<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl HDR (RGBE) texture loader example
</div>
<script src="../build/three.js"></script>
<script src="js/loaders/RGBELoader.js"></script>
<script src="js/libs/dat.gui.min.js"></script>
<script src="js/WebGL.js"></script>
<script>
if ( WEBGL.isWebGLAvailable() === false ) {
document.body.appendChild( WEBGL.getWebGLErrorMessage() );
}
var params = {
exposure: 1.0
};
var renderer, scene, camera;
init();
function init() {
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
renderer.toneMapping = THREE.ReinhardToneMapping;
renderer.toneMappingExposure = params.exposure;
renderer.gammaOutput = true;
scene = new THREE.Scene();
var aspect = window.innerWidth / window.innerHeight;
camera = new THREE.OrthographicCamera( - aspect, aspect, 1, - 1, 0, 1 );
new THREE.RGBELoader().load( 'textures/miranda_uncropped.hdr', function ( texture, textureData ) {
//console.log( textureData );
//console.log( texture );
texture.encoding = THREE.RGBEEncoding;
texture.minFilter = THREE.NearestFilter;
texture.magFilter = THREE.NearestFilter;
texture.flipY = true;
var material = new THREE.MeshBasicMaterial( { map: texture } );
var quad = new THREE.PlaneBufferGeometry( textureData.width / textureData.height, 1 );
var mesh = new THREE.Mesh( quad, material );
scene.add( mesh );
render();
} );
//
var gui = new dat.GUI();
gui.add( params, 'exposure', 0, 2 ).onChange( render );
gui.open();
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
var aspect = window.innerWidth / window.innerHeight;
var frustumHeight = camera.top - camera.bottom;
camera.left = - frustumHeight * aspect / 2;
camera.right = frustumHeight * aspect / 2;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
render();
}
//
function render() {
renderer.toneMappingExposure = params.exposure;
renderer.render( scene, camera );
}
</script>
</body>
</html>