webgl_geometries.html 4.8 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - geometries</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. font-family: Monospace;
  10. background-color: #000;
  11. margin: 0px;
  12. overflow: hidden;
  13. }
  14. </style>
  15. </head>
  16. <body>
  17. <script src="../build/Three.js"></script>
  18. <script src="js/Detector.js"></script>
  19. <script src="js/Stats.js"></script>
  20. <script>
  21. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  22. var container, stats;
  23. var camera, scene, renderer;
  24. init();
  25. animate();
  26. function init() {
  27. container = document.createElement( 'div' );
  28. document.body.appendChild( container );
  29. scene = new THREE.Scene();
  30. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
  31. camera.position.y = 400;
  32. scene.add( camera );
  33. var light, object, materials;
  34. scene.add( new THREE.AmbientLight( 0x404040 ) );
  35. light = new THREE.DirectionalLight( 0xffffff );
  36. light.position.set( 0, 1, 0 );
  37. scene.add( light );
  38. materials = [
  39. new THREE.MeshLambertMaterial( { ambient: 0xbbbbbb, map: THREE.ImageUtils.loadTexture( 'textures/ash_uvgrid01.jpg' ) } ),
  40. new THREE.MeshBasicMaterial( { color: 0xffffff, wireframe: true, transparent: true, opacity: 0.1 } )
  41. ];
  42. object = THREE.SceneUtils.createMultiMaterialObject( new THREE.CubeGeometry( 100, 100, 100, 4, 4, 4 ), materials );
  43. object.position.set( -200, 0, 400 );
  44. scene.add( object );
  45. object = THREE.SceneUtils.createMultiMaterialObject( new THREE.CylinderGeometry( 25, 75, 100, 40, 5 ), materials );
  46. object.position.set( 0, 0, 400 );
  47. scene.add( object );
  48. object = THREE.SceneUtils.createMultiMaterialObject( new THREE.IcosahedronGeometry( 75, 1 ), materials );
  49. object.position.set( -200, 0, 200 );
  50. scene.add( object );
  51. object = THREE.SceneUtils.createMultiMaterialObject( new THREE.OctahedronGeometry( 75, 2 ), materials );
  52. object.position.set( 0, 0, 200 );
  53. scene.add( object );
  54. object = THREE.SceneUtils.createMultiMaterialObject( new THREE.TetrahedronGeometry( 75, 0 ), materials );
  55. object.position.set( 200, 0, 200 );
  56. scene.add( object );
  57. object = THREE.SceneUtils.createMultiMaterialObject( new THREE.PlaneGeometry( 100, 100, 4, 4 ), materials );
  58. object.children[ 0 ].doubleSided = true;
  59. object.position.set( -200, 0, 0 );
  60. scene.add( object );
  61. object = THREE.SceneUtils.createMultiMaterialObject( new THREE.SphereGeometry( 75, 20, 10 ), materials );
  62. object.position.set( 0, 0, 0 );
  63. scene.add( object );
  64. var points = [];
  65. for ( var i = 0; i < 50; i ++ ) {
  66. points.push( new THREE.Vector3( Math.sin( i * 0.2 ) * 15 + 50, 0, ( i - 5 ) * 2 ) );
  67. }
  68. object = THREE.SceneUtils.createMultiMaterialObject( new THREE.LatheGeometry( points, 20 ), materials );
  69. object.children[ 0 ].doubleSided = true;
  70. object.position.set( 200, 0, 0 );
  71. scene.add( object );
  72. object = THREE.SceneUtils.createMultiMaterialObject( new THREE.TorusGeometry( 50, 20, 20, 20 ), materials );
  73. object.position.set( -200, 0, -200 );
  74. scene.add( object );
  75. object = THREE.SceneUtils.createMultiMaterialObject( new THREE.TorusKnotGeometry( 50, 10, 50, 20 ), materials );
  76. object.position.set( 0, 0, -200 );
  77. scene.add( object );
  78. object = new THREE.AxisHelper();
  79. object.position.set( 200, 0, -200 );
  80. object.scale.x = object.scale.y = object.scale.z = 0.5;
  81. scene.add( object );
  82. object = new THREE.ArrowHelper( new THREE.Vector3( 0, 1, 0 ), new THREE.Vector3( 0, 0, 0 ), 50 );
  83. object.position.set( 200, 0, 400 );
  84. scene.add( object );
  85. renderer = new THREE.WebGLRenderer( { antialias: true } );
  86. renderer.setSize( window.innerWidth, window.innerHeight );
  87. container.appendChild( renderer.domElement );
  88. stats = new Stats();
  89. stats.domElement.style.position = 'absolute';
  90. stats.domElement.style.top = '0px';
  91. container.appendChild( stats.domElement );
  92. //
  93. window.addEventListener( 'resize', onWindowResize, false );
  94. }
  95. function onWindowResize() {
  96. camera.aspect = window.innerWidth / window.innerHeight;
  97. camera.updateProjectionMatrix();
  98. renderer.setSize( window.innerWidth, window.innerHeight );
  99. }
  100. //
  101. function animate() {
  102. requestAnimationFrame( animate );
  103. render();
  104. stats.update();
  105. }
  106. function render() {
  107. var timer = Date.now() * 0.0001;
  108. camera.position.x = Math.cos( timer ) * 800;
  109. camera.position.z = Math.sin( timer ) * 800;
  110. camera.lookAt( scene.position );
  111. for ( var i = 0, l = scene.children.length; i < l; i ++ ) {
  112. var object = scene.children[ i ];
  113. object.rotation.x += 0.01;
  114. object.rotation.y += 0.005;
  115. }
  116. renderer.render( scene, camera );
  117. }
  118. </script>
  119. </body>
  120. </html>