<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - materials - cube reflection [cars]</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 {
background:#000;
color:#fff;
padding:0;
margin:0;
overflow:hidden;
font-family:georgia;
text-align:center;
}
a { color:skyblue; text-decoration:none }
#info {
position: absolute;
width: 100%;
}
</style>
</head>
<body>
<script src="../build/three.min.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/libs/dat.gui.min.js"></script>
<div id="info">
<a href="http://threejs.org" target="_blank">three.js</a> - webgl environment mapping example<br/>
Equirectangular Map by <a href="http://gl.ict.usc.edu/Data/HighResProbes/">University of Southern California</a><br/>
Spherical Map by <a href="http://www.pauldebevec.com/Probes/">Paul Debevec</a>
</div>
<script>
var controls, camera, scene, renderer;
var cameraCube, sceneCube;
var textureEquirec, textureCube, textureSphere;
var cubeMesh, sphereMesh;
var sphereMaterial;
var refract;
init();
animate();
function init() {
// CAMERAS
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 100000 );
camera.position.set( 0, 0, 1000 );
cameraCube = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 100000 );
controls = new THREE.OrbitControls( camera );
controls.minDistance = 500;
controls.maxDistance = 2500;
// SCENE
scene = new THREE.Scene();
sceneCube = new THREE.Scene();
// Lights
var ambient = new THREE.AmbientLight( 0xffffff );
scene.add( ambient );
// Textures
var r = "textures/cube/Bridge2/";
var urls = [ r + "posx.jpg", r + "negx.jpg",
r + "posy.jpg", r + "negy.jpg",
r + "posz.jpg", r + "negz.jpg" ];
textureCube = THREE.ImageUtils.loadTextureCube( urls );
textureCube.format = THREE.RGBFormat;
textureCube.mapping = THREE.CubeReflectionMapping;
textureEquirec = THREE.ImageUtils.loadTexture( "textures/2294472375_24a3b8ef46_o.jpg" );
textureEquirec.format = THREE.RGBAFormat;
textureEquirec.mapping = THREE.EquirectangularReflectionMapping;
textureEquirec.magFilter = THREE.LinearFilter;
textureEquirec.minFilter = THREE.LinearMipMapLinearFilter;
textureSphere = THREE.ImageUtils.loadTexture( "textures/metal.jpg" );
textureSphere.mapping = THREE.SphericalReflectionMapping;
// Materials
var equirectShader = THREE.ShaderLib[ "equirect" ];
var equirectMaterial = new THREE.ShaderMaterial( {
fragmentShader: equirectShader.fragmentShader,
vertexShader: equirectShader.vertexShader,
uniforms: equirectShader.uniforms,
depthWrite: false,
side: THREE.BackSide
} );
equirectMaterial.uniforms[ "tEquirect" ].value = textureEquirec;
var cubeShader = THREE.ShaderLib[ "cube" ];
var cubeMaterial = new THREE.ShaderMaterial( {
fragmentShader: cubeShader.fragmentShader,
vertexShader: cubeShader.vertexShader,
uniforms: cubeShader.uniforms,
depthWrite: false,
side: THREE.BackSide
} );
cubeMaterial.uniforms[ "tCube" ].value = textureCube;
// Skybox
cubeMesh = new THREE.Mesh( new THREE.BoxGeometry( 100, 100, 100 ), cubeMaterial );
sceneCube.add( cubeMesh );
//
var geometry = new THREE.SphereGeometry( 400.0, 24, 24 );
sphereMaterial = new THREE.MeshLambertMaterial( { envMap: textureCube } );
sphereMesh = new THREE.Mesh( geometry, sphereMaterial );
scene.add( sphereMesh );
//
renderer = new THREE.WebGLRenderer();
renderer.autoClear = false;
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.setFaceCulling( THREE.CullFaceNone );
document.body.appendChild( renderer.domElement );
//
var params = {
Cube: function () {
cubeMesh.material = cubeMaterial;
cubeMesh.visible = true;
sphereMaterial.envMap = textureCube;
sphereMaterial.needsUpdate = true;
},
Equirectangular: function () {
cubeMesh.material = equirectMaterial;
cubeMesh.visible = true;
sphereMaterial.envMap = textureEquirec;
sphereMaterial.needsUpdate = true;
},
Spherical: function () {
cubeMesh.visible = false;
sphereMaterial.envMap = textureSphere;
sphereMaterial.needsUpdate = true;
},
Refraction: false
};
var gui = new dat.GUI();
gui.add( params, 'Cube' );
gui.add( params, 'Equirectangular' );
gui.add( params, 'Spherical' );
gui.add( params, 'Refraction' ).onChange( function( value ) {
if ( value ) {
textureEquirec.mapping = THREE.EquirectangularRefractionMapping;
textureCube.mapping = THREE.CubeRefractionMapping;
} else {
textureEquirec.mapping = THREE.EquirectangularReflectionMapping;
textureCube.mapping = THREE.CubeReflectionMapping;
}
sphereMaterial.needsUpdate = true;
} );
gui.open();
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
cameraCube.aspect = window.innerWidth / window.innerHeight;
cameraCube.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
//
function animate() {
requestAnimationFrame( animate );
render();
controls.update();
}
function render() {
var timer = -0.0002 * Date.now();
camera.lookAt( scene.position );
cameraCube.rotation.copy( camera.rotation );
renderer.render( sceneCube, cameraCube );
renderer.render( scene, camera );
}
</script>
</body>
</html>