webgl_geometries2.html 4.5 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/libs/stats.min.js"></script>
  20. <script src="js/CurveExtras.js"></script>
  21. <script src="js/ParametricGeometries.js"></script>
  22. <script>
  23. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  24. var container, stats;
  25. var camera, scene, renderer;
  26. init();
  27. animate();
  28. function init() {
  29. container = document.createElement( 'div' );
  30. document.body.appendChild( container );
  31. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
  32. camera.position.y = 400;
  33. scene = new THREE.Scene();
  34. var light, object, materials;
  35. scene.add( new THREE.AmbientLight( 0x404040 ) );
  36. light = new THREE.DirectionalLight( 0xffffff );
  37. light.position.set( 0, 0, 1 );
  38. scene.add( light );
  39. var map = new THREE.TextureLoader().load( 'textures/UV_Grid_Sm.jpg' );
  40. map.wrapS = map.wrapT = THREE.RepeatWrapping;
  41. map.anisotropy = 16;
  42. materials = [
  43. new THREE.MeshLambertMaterial( { map: map, side: THREE.DoubleSide } ),
  44. new THREE.MeshBasicMaterial( { color: 0xffffff, wireframe: true, transparent: true, opacity: 0.1, side: THREE.DoubleSide } )
  45. ];
  46. var p = 2;
  47. var q = 3;
  48. var radius = 150, tube = 10, segmentsT = 50, segmentsR = 20;
  49. var GrannyKnot = new THREE.Curves.GrannyKnot();
  50. var torus2 = new THREE.ParametricGeometries.TorusKnotGeometry( radius, tube, segmentsT, segmentsR, p , q );
  51. var sphere2 = new THREE.ParametricGeometries.SphereGeometry( 75, 20, 10 );
  52. var tube2 = new THREE.ParametricGeometries.TubeGeometry( GrannyKnot, 150, 2, 8, true, false );
  53. var geo;
  54. // Klein Bottle
  55. geo = new THREE.ParametricBufferGeometry( THREE.ParametricGeometries.klein, 20, 20 );
  56. object = THREE.SceneUtils.createMultiMaterialObject( geo, materials );
  57. object.position.set( 0, 0, 0 );
  58. object.scale.multiplyScalar( 10 );
  59. scene.add( object );
  60. // Mobius Strip
  61. geo = new THREE.ParametricBufferGeometry( THREE.ParametricGeometries.mobius, 20, 20 );
  62. object = THREE.SceneUtils.createMultiMaterialObject( geo, materials );
  63. object.position.set( 10, 0, 0 );
  64. object.scale.multiplyScalar( 100 );
  65. scene.add( object );
  66. // Plane
  67. geo = new THREE.ParametricBufferGeometry( THREE.ParametricGeometries.plane( 200, 200 ), 10, 20 );
  68. object = THREE.SceneUtils.createMultiMaterialObject( geo, materials );
  69. object.position.set( 0, 0, 0 );
  70. scene.add( object );
  71. object = THREE.SceneUtils.createMultiMaterialObject( torus2, materials );
  72. object.position.set( 0, 100, 0 );
  73. scene.add( object );
  74. object = THREE.SceneUtils.createMultiMaterialObject( sphere2, materials );
  75. object.position.set( 200, 0, 0 );
  76. scene.add( object );
  77. object = THREE.SceneUtils.createMultiMaterialObject( tube2, materials );
  78. object.position.set( 100, 0, 0 );
  79. scene.add( object );
  80. object = new THREE.AxisHelper( 50 );
  81. object.position.set( 200, 0, -200 );
  82. scene.add( object );
  83. renderer = new THREE.WebGLRenderer( { antialias: true } );
  84. renderer.setPixelRatio( window.devicePixelRatio );
  85. renderer.setSize( window.innerWidth, window.innerHeight );
  86. container.appendChild( renderer.domElement );
  87. stats = new Stats();
  88. container.appendChild( stats.dom );
  89. window.addEventListener( 'resize', onWindowResize, false );
  90. }
  91. function onWindowResize() {
  92. camera.aspect = window.innerWidth / window.innerHeight;
  93. camera.updateProjectionMatrix();
  94. renderer.setSize( window.innerWidth, window.innerHeight );
  95. }
  96. function animate() {
  97. requestAnimationFrame( animate );
  98. render();
  99. stats.update();
  100. }
  101. function render() {
  102. var timer = Date.now() * 0.0001;
  103. camera.position.x = Math.cos( timer ) * 800;
  104. camera.position.z = Math.sin( timer ) * 800;
  105. camera.lookAt( scene.position );
  106. for ( var i = 0, l = scene.children.length; i < l; i ++ ) {
  107. var object = scene.children[ i ];
  108. object.rotation.x = timer * 5;
  109. object.rotation.y = timer * 2.5;
  110. }
  111. renderer.render( scene, camera );
  112. }
  113. </script>
  114. </body>
  115. </html>