geometry_cube_webgl.html 4.7 KB

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  1. <!DOCTYPE HTML>
  2. <html lang="en">
  3. <head>
  4. <title>three.js - geometry - cube</title>
  5. <meta charset="utf-8">
  6. <meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"/>
  7. <style type="text/css">
  8. body {
  9. font-family: Monospace;
  10. background-color: #f0f0f0;
  11. margin: 0px;
  12. overflow: hidden;
  13. }
  14. </style>
  15. </head>
  16. <body>
  17. <script type="text/javascript" src="../build/Three.js"></script>
  18. <script type="text/javascript" src="../src/core/Matrix4.js"></script>
  19. <script type="text/javascript" src="../src/renderers/WebGLRenderer.js"></script>
  20. <script type="text/javascript" src="primitives/Cube.js"></script>
  21. <script type="text/javascript" src="primitives/Plane.js"></script>
  22. <script type="text/javascript" src="http://github.com/mrdoob/stats.js/raw/master/build/Stats.js"></script>
  23. <script type="text/javascript">
  24. var SCREEN_WIDTH = window.innerWidth;
  25. var SCREEN_HEIGHT = window.innerHeight;
  26. var container;
  27. var stats;
  28. var camera;
  29. var scene;
  30. var renderer;
  31. var cube, plane;
  32. var targetRotation = 0;
  33. var targetRotationOnMouseDown = 0;
  34. var mouseX = 0;
  35. var mouseXOnMouseDown = 0;
  36. var windowHalfX = window.innerWidth / 2;
  37. var windowHalfY = window.innerHeight / 2;
  38. init();
  39. setInterval(loop, 1000/60);
  40. function init() {
  41. container = document.createElement('div');
  42. document.body.appendChild(container);
  43. var info = document.createElement('div');
  44. info.style.position = 'absolute';
  45. info.style.top = '10px';
  46. info.style.width = '100%';
  47. info.style.textAlign = 'center';
  48. info.innerHTML = 'Drag to spin the cube';
  49. container.appendChild(info);
  50. camera = new THREE.Camera( 70, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 10000 );
  51. camera.position.y = 150;
  52. camera.position.z = 500;
  53. camera.target.position.y = 150;
  54. camera.updateMatrix();
  55. scene = new THREE.Scene();
  56. // Cube
  57. geometry = new Cube( 200, 200, 200 );
  58. for (var i = 0; i < geometry.faces.length; i++) {
  59. geometry.faces[i].color.setRGBA( Math.random() * 0.5, Math.random() * 0.5 + 0.5, Math.random() * 0.5 + 0.5, 1 );
  60. }
  61. cube = new THREE.Mesh(geometry, new THREE.MeshFaceColorFillMaterial() );
  62. cube.position.y = 150;
  63. scene.addObject(cube);
  64. // Plane
  65. plane = new THREE.Mesh( new Plane( 200, 200, 4, 4 ), new THREE.MeshColorFillMaterial( 0xe0e0e0 ) );
  66. plane.rotation.x = -90 * ( Math.PI / 180 );
  67. scene.addObject(plane);
  68. renderer = new THREE.WebGLRenderer();
  69. renderer.setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
  70. container.appendChild(renderer.domElement);
  71. stats = new Stats();
  72. stats.domElement.style.position = 'absolute';
  73. stats.domElement.style.top = '0px';
  74. container.appendChild(stats.domElement);
  75. document.addEventListener('mousedown', onDocumentMouseDown, false);
  76. document.addEventListener('touchstart', onDocumentTouchStart, false);
  77. document.addEventListener('touchmove', onDocumentTouchMove, false);
  78. }
  79. //
  80. function onDocumentMouseDown( event ) {
  81. event.preventDefault();
  82. document.addEventListener('mousemove', onDocumentMouseMove, false);
  83. document.addEventListener('mouseup', onDocumentMouseUp, false);
  84. document.addEventListener('mouseout', onDocumentMouseOut, false);
  85. mouseXOnMouseDown = event.clientX - windowHalfX;
  86. targetRotationOnMouseDown = targetRotation;
  87. }
  88. function onDocumentMouseMove( event ) {
  89. mouseX = event.clientX - windowHalfX;
  90. targetRotation = targetRotationOnMouseDown + (mouseX - mouseXOnMouseDown) * 0.02;
  91. }
  92. function onDocumentMouseUp( event ) {
  93. document.removeEventListener('mousemove', onDocumentMouseMove, false);
  94. document.removeEventListener('mouseup', onDocumentMouseUp, false);
  95. document.removeEventListener('mouseout', onDocumentMouseOut, false);
  96. }
  97. function onDocumentMouseOut( event ) {
  98. document.removeEventListener('mousemove', onDocumentMouseMove, false);
  99. document.removeEventListener('mouseup', onDocumentMouseUp, false);
  100. document.removeEventListener('mouseout', onDocumentMouseOut, false);
  101. }
  102. function onDocumentTouchStart( event ) {
  103. if(event.touches.length == 1) {
  104. event.preventDefault();
  105. mouseXOnMouseDown = event.touches[0].pageX - windowHalfX;
  106. targetRotationOnMouseDown = targetRotation;
  107. }
  108. }
  109. function onDocumentTouchMove( event ) {
  110. if(event.touches.length == 1) {
  111. event.preventDefault();
  112. mouseX = event.touches[0].pageX - windowHalfX;
  113. targetRotation = targetRotationOnMouseDown + (mouseX - mouseXOnMouseDown) * 0.05;
  114. }
  115. }
  116. //
  117. function loop() {
  118. plane.rotation.z = cube.rotation.y += (targetRotation - cube.rotation.y) * 0.05;
  119. renderer.render(scene, camera);
  120. stats.update();
  121. }
  122. </script>
  123. </body>
  124. </html>
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