webgl_materials_cubemap_dynamic2.html 5.6 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - materials - dynamic cube reflection</title>
  5. <meta charset="utf-8">
  6. <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
  7. <style>
  8. body {
  9. background-color: #000000;
  10. margin: 0px;
  11. overflow: hidden;
  12. }
  13. #info {
  14. position: absolute;
  15. top: 0px; width: 100%;
  16. color: #ffffff;
  17. padding: 5px;
  18. font-family:Monospace;
  19. font-size:13px;
  20. font-weight: bold;
  21. text-align:center;
  22. }
  23. a {
  24. color: #ffffff;
  25. }
  26. </style>
  27. </head>
  28. <body>
  29. <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">J&oacute;n Ragnarsson</a>.</div>
  30. <script src="../build/three.min.js"></script>
  31. <script>
  32. var camera, cubeCamera, scene, renderer;
  33. var cube, sphere, torus;
  34. var fov = 70,
  35. isUserInteracting = false,
  36. onMouseDownMouseX = 0, onMouseDownMouseY = 0,
  37. lon = 0, onMouseDownLon = 0,
  38. lat = 0, onMouseDownLat = 0,
  39. phi = 0, theta = 0;
  40. var textureLoader = new THREE.TextureLoader();
  41. textureLoader.load( 'textures/2294472375_24a3b8ef46_o.jpg', function ( texture ) {
  42. texture.mapping = THREE.UVMapping;
  43. init( texture );
  44. animate();
  45. } );
  46. function init( texture ) {
  47. camera = new THREE.PerspectiveCamera( fov, window.innerWidth / window.innerHeight, 1, 1000 );
  48. scene = new THREE.Scene();
  49. var mesh = new THREE.Mesh( new THREE.SphereGeometry( 500, 60, 40 ), new THREE.MeshBasicMaterial( { map: texture } ) );
  50. mesh.scale.x = -1;
  51. scene.add( mesh );
  52. renderer = new THREE.WebGLRenderer( { antialias: true } );
  53. renderer.setPixelRatio( window.devicePixelRatio );
  54. renderer.setSize( window.innerWidth, window.innerHeight );
  55. cubeCamera = new THREE.CubeCamera( 1, 1000, 256 );
  56. cubeCamera.renderTarget.texture.minFilter = THREE.LinearMipMapLinearFilter;
  57. scene.add( cubeCamera );
  58. document.body.appendChild( renderer.domElement );
  59. //
  60. var material = new THREE.MeshBasicMaterial( { envMap: cubeCamera.renderTarget } );
  61. sphere = new THREE.Mesh( new THREE.SphereGeometry( 20, 30, 15 ), material );
  62. scene.add( sphere );
  63. cube = new THREE.Mesh( new THREE.BoxGeometry( 20, 20, 20 ), material );
  64. scene.add( cube );
  65. torus = new THREE.Mesh( new THREE.TorusKnotGeometry( 20, 5, 100, 25 ), material );
  66. scene.add( torus );
  67. //
  68. document.addEventListener( 'mousedown', onDocumentMouseDown, false );
  69. document.addEventListener( 'mousewheel', onDocumentMouseWheel, false );
  70. document.addEventListener( 'MozMousePixelScroll', onDocumentMouseWheel, false);
  71. window.addEventListener( 'resize', onWindowResized, false );
  72. onWindowResized( null );
  73. }
  74. function onWindowResized( event ) {
  75. renderer.setSize( window.innerWidth, window.innerHeight );
  76. camera.projectionMatrix.makePerspective( fov, window.innerWidth / window.innerHeight, 1, 1100 );
  77. }
  78. function onDocumentMouseDown( event ) {
  79. event.preventDefault();
  80. onPointerDownPointerX = event.clientX;
  81. onPointerDownPointerY = event.clientY;
  82. onPointerDownLon = lon;
  83. onPointerDownLat = lat;
  84. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  85. document.addEventListener( 'mouseup', onDocumentMouseUp, false );
  86. }
  87. function onDocumentMouseMove( event ) {
  88. lon = ( event.clientX - onPointerDownPointerX ) * 0.1 + onPointerDownLon;
  89. lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
  90. }
  91. function onDocumentMouseUp( event ) {
  92. document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
  93. document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
  94. }
  95. function onDocumentMouseWheel( event ) {
  96. // WebKit
  97. if ( event.wheelDeltaY ) {
  98. fov -= event.wheelDeltaY * 0.05;
  99. // Opera / Explorer 9
  100. } else if ( event.wheelDelta ) {
  101. fov -= event.wheelDelta * 0.05;
  102. // Firefox
  103. } else if ( event.detail ) {
  104. fov += event.detail * 1.0;
  105. }
  106. camera.projectionMatrix.makePerspective( fov, window.innerWidth / window.innerHeight, 1, 1100 );
  107. }
  108. function animate() {
  109. requestAnimationFrame( animate );
  110. render();
  111. }
  112. function render() {
  113. var time = Date.now();
  114. lon += .15;
  115. lat = Math.max( - 85, Math.min( 85, lat ) );
  116. phi = THREE.Math.degToRad( 90 - lat );
  117. theta = THREE.Math.degToRad( lon );
  118. sphere.position.x = Math.sin( time * 0.001 ) * 30;
  119. sphere.position.y = Math.sin( time * 0.0011 ) * 30;
  120. sphere.position.z = Math.sin( time * 0.0012 ) * 30;
  121. sphere.rotation.x += 0.02;
  122. sphere.rotation.y += 0.03;
  123. cube.position.x = Math.sin( time * 0.001 + 2 ) * 30;
  124. cube.position.y = Math.sin( time * 0.0011 + 2 ) * 30;
  125. cube.position.z = Math.sin( time * 0.0012 + 2 ) * 30;
  126. cube.rotation.x += 0.02;
  127. cube.rotation.y += 0.03;
  128. torus.position.x = Math.sin( time * 0.001 + 4 ) * 30;
  129. torus.position.y = Math.sin( time * 0.0011 + 4 ) * 30;
  130. torus.position.z = Math.sin( time * 0.0012 + 4 ) * 30;
  131. torus.rotation.x += 0.02;
  132. torus.rotation.y += 0.03;
  133. camera.position.x = 100 * Math.sin( phi ) * Math.cos( theta );
  134. camera.position.y = 100 * Math.cos( phi );
  135. camera.position.z = 100 * Math.sin( phi ) * Math.sin( theta );
  136. camera.lookAt( scene.position );
  137. sphere.visible = false; // *cough*
  138. cubeCamera.updateCubeMap( renderer, scene );
  139. sphere.visible = true; // *cough*
  140. renderer.render( scene, camera );
  141. }
  142. </script>
  143. </body>
  144. </html>