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@@ -31,7 +31,6 @@
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</head>
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<body>
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- <div id="container"></div>
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<div id="info">
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<a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl EXR texture loader example
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</div>
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@@ -42,154 +41,101 @@
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<script src="js/libs/dat.gui.min.js"></script>
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<script src="js/WebGL.js"></script>
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- <script src="js/libs/stats.min.js"></script>
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-
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- <!-- HDR fragment shader -->
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-
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- <script id="fs-hdr" type="x-shader/x-fragment">
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-
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- uniform sampler2D tDiffuse;
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- uniform float exposure;
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- uniform float brightMax;
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-
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- varying vec2 vUv;
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-
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- void main() {
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-
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- vec4 color = texture2D( tDiffuse, vUv );
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-
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- // Perform tone-mapping
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- float Y = dot(vec4(0.30, 0.59, 0.11, 0.0), color);
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- float YD = exposure * (exposure / brightMax + 1.0) / (exposure + 1.0);
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- color *= YD;
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-
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- gl_FragColor = vec4( color.xyz, 1.0 );
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-
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- }
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-
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- </script>
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-
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- <!-- HDR vertex shader -->
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-
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- <script id="vs-hdr" type="x-shader/x-vertex">
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-
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- varying vec2 vUv;
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-
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- void main() {
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-
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- vUv = uv;
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- gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
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-
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- }
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-
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- </script>
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-
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<script>
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- var params = {
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- exposure: 1.0,
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- };
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-
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if ( WEBGL.isWebGLAvailable() === false ) {
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document.body.appendChild( WEBGL.getWebGLErrorMessage() );
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}
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- var container, stats;
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+ var params = {
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+ exposure: 1.0
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+ };
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- var camera, scene, renderer;
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- var materialHDR, quad, gamma, exposure;
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+ var renderer, scene, camera;
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init();
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function init() {
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- container = document.getElementById( 'container' );
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+ renderer = new THREE.WebGLRenderer();
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+ renderer.setPixelRatio( window.devicePixelRatio );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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+ document.body.appendChild( renderer.domElement );
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+
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+ renderer.toneMapping = THREE.ReinhardToneMapping;
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+ renderer.toneMappingExposure = params.exposure;
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- camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 10000 );
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- camera.position.z = 900;
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+ renderer.gammaOutput = true;
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scene = new THREE.Scene();
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- var loader = new THREE.EXRLoader();
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+ var aspect = window.innerWidth / window.innerHeight;
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- loader.load( "textures/piz_compressed.exr", function( texture, textureData ) {
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+ camera = new THREE.OrthographicCamera( - aspect, aspect, 1, - 1, 0, 1 );
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- console.log( textureData.header ); // exr header
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+ new THREE.EXRLoader().load( 'textures/piz_compressed.exr', function ( texture, textureData ) {
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- texture.minFilter = THREE.NearestFilter;
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- texture.magFilter = THREE.NearestFilter;
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+ //console.log( textureData );
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+ //console.log( texture );
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- materialHDR = new THREE.ShaderMaterial( {
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+ texture.generateMipmaps = true;
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- uniforms: {
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- tDiffuse: { value: texture },
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- exposure: { value: 1.0 },
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- brightMax: { value: 18.0 }
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- },
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- vertexShader: getText( 'vs-hdr' ),
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- fragmentShader: getText( 'fs-hdr' )
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+ // these setting are currently set correctly by default
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+ //texture.encoding = THREE.LinearEncoding;
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+ //texture.minFilter = THREE.LinearMipMapLinearFilter;
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+ //texture.magFilter = THREE.LinearFilter;
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+ //texture.flipY = true;
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- } );
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+ var material = new THREE.MeshBasicMaterial( { map: texture } );
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- quad = new THREE.Mesh( new THREE.PlaneBufferGeometry( textureData.width, textureData.height ), materialHDR );
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- quad.position.z = -100;
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- scene.add( quad );
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- animate();
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+ var quad = new THREE.PlaneBufferGeometry( textureData.width / textureData.height, 1 );
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- } );
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+ var mesh = new THREE.Mesh( quad, material );
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- renderer = new THREE.WebGLRenderer();
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- renderer.setPixelRatio( window.devicePixelRatio );
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- renderer.setSize( window.innerWidth, window.innerHeight );
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- renderer.gammaOutput = true;
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- container.appendChild( renderer.domElement );
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+ scene.add( mesh );
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- stats = new Stats();
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- container.appendChild( stats.dom );
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+ render();
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- window.addEventListener( 'resize', onWindowResize, false );
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+ } );
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+
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+ //
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var gui = new dat.GUI();
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- gui.add( params, 'exposure', 0.1, 5 );
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+ gui.add( params, 'exposure', 0, 2 ).onChange( render );
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gui.open();
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- }
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-
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+ //
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-
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- function onWindowResize() {
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-
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- camera.aspect = window.innerWidth / window.innerHeight;
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- camera.updateProjectionMatrix();
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-
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- renderer.setSize( window.innerWidth, window.innerHeight );
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+ window.addEventListener( 'resize', onWindowResize, false );
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}
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- function getText( id ) {
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+ function onWindowResize() {
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- return document.getElementById( id ).textContent;
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+ var aspect = window.innerWidth / window.innerHeight;
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- }
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+ var frustumHeight = camera.top - camera.bottom;
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- //
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+ camera.left = - frustumHeight * aspect / 2;
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+ camera.right = frustumHeight * aspect / 2;
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- function animate() {
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+ camera.updateProjectionMatrix();
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- requestAnimationFrame( animate );
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+ renderer.setSize( window.innerWidth, window.innerHeight );
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render();
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- stats.update();
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}
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+ //
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+
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function render() {
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- materialHDR.uniforms.exposure.value = params.exposure;
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+ renderer.toneMappingExposure = params.exposure;
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renderer.render( scene, camera );
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WestLangley