<!DOCTYPE html> <html lang="en"> <head> <title>three.js webgl - materials - dynamic cube reflection</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-color: #000000; margin: 0px; overflow: hidden; } #info { position: absolute; top: 0px; width: 100%; color: #ffffff; padding: 5px; font-family:Monospace; font-size:13px; font-weight: bold; text-align:center; } a { color: #ffffff; } </style> </head> <body> <div id="info"><a href="http://threejs.org" target="_blank">three.js webgl</a> - materials - dynamic cube reflection<br/>Photo by <a href="http://www.flickr.com/photos/jonragnarsson/2294472375/" target="_blank">Jón Ragnarsson</a>.</div> <script src="../build/three.min.js"></script> <script> var camera, cubeCamera, scene, renderer; var cube, sphere, torus; var fov = 70, isUserInteracting = false, onMouseDownMouseX = 0, onMouseDownMouseY = 0, lon = 0, onMouseDownLon = 0, lat = 0, onMouseDownLat = 0, phi = 0, theta = 0; var texture = THREE.ImageUtils.loadTexture( 'textures/2294472375_24a3b8ef46_o.jpg', THREE.UVMapping, function () { init(); animate(); } ); function init() { camera = new THREE.PerspectiveCamera( fov, window.innerWidth / window.innerHeight, 1, 1000 ); scene = new THREE.Scene(); var mesh = new THREE.Mesh( new THREE.SphereGeometry( 500, 60, 40 ), new THREE.MeshBasicMaterial( { map: texture } ) ); mesh.scale.x = -1; scene.add( mesh ); renderer = new THREE.WebGLRenderer( { antialias: true } ); renderer.setPixelRatio( window.devicePixelRatio ); renderer.setSize( window.innerWidth, window.innerHeight ); cubeCamera = new THREE.CubeCamera( 1, 1000, 256 ); cubeCamera.renderTarget.minFilter = THREE.LinearMipMapLinearFilter; scene.add( cubeCamera ); document.body.appendChild( renderer.domElement ); // var material = new THREE.MeshBasicMaterial( { envMap: cubeCamera.renderTarget } ); sphere = new THREE.Mesh( new THREE.SphereGeometry( 20, 30, 15 ), material ); scene.add( sphere ); cube = new THREE.Mesh( new THREE.BoxGeometry( 20, 20, 20 ), material ); scene.add( cube ); torus = new THREE.Mesh( new THREE.TorusKnotGeometry( 20, 5, 100, 25 ), material ); scene.add( torus ); // document.addEventListener( 'mousedown', onDocumentMouseDown, false ); document.addEventListener( 'mousewheel', onDocumentMouseWheel, false ); document.addEventListener( 'DOMMouseScroll', onDocumentMouseWheel, false); window.addEventListener( 'resize', onWindowResized, false ); onWindowResized( null ); } function onWindowResized( event ) { renderer.setSize( window.innerWidth, window.innerHeight ); camera.projectionMatrix.makePerspective( fov, window.innerWidth / window.innerHeight, 1, 1100 ); } function onDocumentMouseDown( event ) { event.preventDefault(); onPointerDownPointerX = event.clientX; onPointerDownPointerY = event.clientY; onPointerDownLon = lon; onPointerDownLat = lat; document.addEventListener( 'mousemove', onDocumentMouseMove, false ); document.addEventListener( 'mouseup', onDocumentMouseUp, false ); } function onDocumentMouseMove( event ) { lon = ( event.clientX - onPointerDownPointerX ) * 0.1 + onPointerDownLon; lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat; } function onDocumentMouseUp( event ) { document.removeEventListener( 'mousemove', onDocumentMouseMove, false ); document.removeEventListener( 'mouseup', onDocumentMouseUp, false ); } function onDocumentMouseWheel( event ) { // WebKit if ( event.wheelDeltaY ) { fov -= event.wheelDeltaY * 0.05; // Opera / Explorer 9 } else if ( event.wheelDelta ) { fov -= event.wheelDelta * 0.05; // Firefox } else if ( event.detail ) { fov += event.detail * 1.0; } camera.projectionMatrix.makePerspective( fov, window.innerWidth / window.innerHeight, 1, 1100 ); } function animate() { requestAnimationFrame( animate ); render(); } function render() { var time = Date.now(); lon += .15; lat = Math.max( - 85, Math.min( 85, lat ) ); phi = THREE.Math.degToRad( 90 - lat ); theta = THREE.Math.degToRad( lon ); sphere.position.x = Math.sin( time * 0.001 ) * 30; sphere.position.y = Math.sin( time * 0.0011 ) * 30; sphere.position.z = Math.sin( time * 0.0012 ) * 30; sphere.rotation.x += 0.02; sphere.rotation.y += 0.03; cube.position.x = Math.sin( time * 0.001 + 2 ) * 30; cube.position.y = Math.sin( time * 0.0011 + 2 ) * 30; cube.position.z = Math.sin( time * 0.0012 + 2 ) * 30; cube.rotation.x += 0.02; cube.rotation.y += 0.03; torus.position.x = Math.sin( time * 0.001 + 4 ) * 30; torus.position.y = Math.sin( time * 0.0011 + 4 ) * 30; torus.position.z = Math.sin( time * 0.0012 + 4 ) * 30; torus.rotation.x += 0.02; torus.rotation.y += 0.03; camera.position.x = 100 * Math.sin( phi ) * Math.cos( theta ); camera.position.y = 100 * Math.cos( phi ); camera.position.z = 100 * Math.sin( phi ) * Math.sin( theta ); camera.lookAt( scene.position ); sphere.visible = false; // *cough* cubeCamera.updateCubeMap( renderer, scene ); sphere.visible = true; // *cough* renderer.render( scene, camera ); } </script> </body> </html>