webgl_materials_cubemap_balls_reflection.html 3.3 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - materials - cube reflection [balls]</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. <link type="text/css" rel="stylesheet" href="main.css">
  8. </head>
  9. <body>
  10. <div id="info">
  11. <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl cube reflection demo.<br/>
  12. skybox by <a href="http://ict.debevec.org/~debevec/" target="_blank" rel="noopener">Paul Debevec</a>
  13. </div>
  14. <script src="../build/three.js"></script>
  15. <script src="js/WebGL.js"></script>
  16. <script>
  17. if ( WEBGL.isWebGLAvailable() === false ) {
  18. document.body.appendChild( WEBGL.getWebGLErrorMessage() );
  19. }
  20. var container;
  21. var camera, scene, renderer;
  22. var spheres = [];
  23. var mouseX = 0;
  24. var mouseY = 0;
  25. var windowHalfX = window.innerWidth / 2;
  26. var windowHalfY = window.innerHeight / 2;
  27. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  28. init();
  29. animate();
  30. function init() {
  31. container = document.createElement( 'div' );
  32. document.body.appendChild( container );
  33. camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 100000 );
  34. camera.position.z = 3200;
  35. scene = new THREE.Scene();
  36. scene.background = new THREE.CubeTextureLoader()
  37. .setPath( 'textures/cube/pisa/' )
  38. .load( [ 'px.png', 'nx.png', 'py.png', 'ny.png', 'pz.png', 'nz.png' ] );
  39. var geometry = new THREE.SphereBufferGeometry( 100, 32, 16 );
  40. var material = new THREE.MeshBasicMaterial( { color: 0xffffff, envMap: scene.background } );
  41. for ( var i = 0; i < 500; i ++ ) {
  42. var mesh = new THREE.Mesh( geometry, material );
  43. mesh.position.x = Math.random() * 10000 - 5000;
  44. mesh.position.y = Math.random() * 10000 - 5000;
  45. mesh.position.z = Math.random() * 10000 - 5000;
  46. mesh.scale.x = mesh.scale.y = mesh.scale.z = Math.random() * 3 + 1;
  47. scene.add( mesh );
  48. spheres.push( mesh );
  49. }
  50. //
  51. renderer = new THREE.WebGLRenderer();
  52. renderer.setPixelRatio( window.devicePixelRatio );
  53. renderer.setSize( window.innerWidth, window.innerHeight );
  54. container.appendChild( renderer.domElement );
  55. //
  56. window.addEventListener( 'resize', onWindowResize, false );
  57. }
  58. function onWindowResize() {
  59. windowHalfX = window.innerWidth / 2;
  60. windowHalfY = window.innerHeight / 2;
  61. camera.aspect = window.innerWidth / window.innerHeight;
  62. camera.updateProjectionMatrix();
  63. renderer.setSize( window.innerWidth, window.innerHeight );
  64. }
  65. function onDocumentMouseMove( event ) {
  66. mouseX = ( event.clientX - windowHalfX ) * 10;
  67. mouseY = ( event.clientY - windowHalfY ) * 10;
  68. }
  69. //
  70. function animate() {
  71. requestAnimationFrame( animate );
  72. render();
  73. }
  74. function render() {
  75. var timer = 0.0001 * Date.now();
  76. for ( var i = 0, il = spheres.length; i < il; i ++ ) {
  77. var sphere = spheres[ i ];
  78. sphere.position.x = 5000 * Math.cos( timer + i );
  79. sphere.position.y = 5000 * Math.sin( timer + i * 1.1 );
  80. }
  81. camera.position.x += ( mouseX - camera.position.x ) * .05;
  82. camera.position.y += ( - mouseY - camera.position.y ) * .05;
  83. camera.lookAt( scene.position );
  84. renderer.render( scene, camera );
  85. }
  86. </script>
  87. </body>
  88. </html>