canvas_geometry_cube.html 4.7 KB

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  1. <!DOCTYPE HTML>
  2. <html lang="en">
  3. <head>
  4. <title>three.js canvas - 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/extras/primitives/Cube.js"></script>
  19. <script type="text/javascript" src="../src/extras/primitives/Plane.js"></script>
  20. <script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
  21. <script type="text/javascript" src="js/Stats.js"></script>
  22. <script type="text/javascript">
  23. var container, stats;
  24. var camera, scene, renderer;
  25. var cube, plane;
  26. var targetRotation = 0;
  27. var targetRotationOnMouseDown = 0;
  28. var mouseX = 0;
  29. var mouseXOnMouseDown = 0;
  30. var windowHalfX = window.innerWidth / 2;
  31. var windowHalfY = window.innerHeight / 2;
  32. init();
  33. animate();
  34. function init() {
  35. container = document.createElement( 'div' );
  36. document.body.appendChild( container );
  37. var info = document.createElement( 'div' );
  38. info.style.position = 'absolute';
  39. info.style.top = '10px';
  40. info.style.width = '100%';
  41. info.style.textAlign = 'center';
  42. info.innerHTML = 'Drag to spin the cube';
  43. container.appendChild( info );
  44. camera = new THREE.Camera( 70, window.innerWidth / window.innerHeight, 1, 1000 );
  45. camera.position.y = 150;
  46. camera.position.z = 500;
  47. camera.target.position.y = 150;
  48. scene = new THREE.Scene();
  49. // Cube
  50. var materials = [];
  51. for ( var i = 0; i < 6; i ++ ) {
  52. materials.push( [ new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff } ) ] );
  53. }
  54. cube = new THREE.Mesh( new Cube( 200, 200, 200, 1, 1, materials ), new THREE.MeshFaceMaterial() );
  55. cube.position.y = 150;
  56. cube.overdraw = true;
  57. scene.addObject( cube );
  58. // Plane
  59. plane = new THREE.Mesh( new Plane( 200, 200 ), new THREE.MeshBasicMaterial( { color: 0xe0e0e0 } ) );
  60. plane.rotation.x = -90 * ( Math.PI / 180 );
  61. plane.overdraw = true;
  62. scene.addObject( plane );
  63. renderer = new THREE.CanvasRenderer();
  64. renderer.setSize( window.innerWidth, window.innerHeight );
  65. container.appendChild( renderer.domElement );
  66. stats = new Stats();
  67. stats.domElement.style.position = 'absolute';
  68. stats.domElement.style.top = '0px';
  69. container.appendChild( stats.domElement );
  70. document.addEventListener( 'mousedown', onDocumentMouseDown, false );
  71. document.addEventListener( 'touchstart', onDocumentTouchStart, false );
  72. document.addEventListener( 'touchmove', onDocumentTouchMove, false );
  73. }
  74. //
  75. function onDocumentMouseDown( event ) {
  76. event.preventDefault();
  77. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  78. document.addEventListener( 'mouseup', onDocumentMouseUp, false );
  79. document.addEventListener( 'mouseout', onDocumentMouseOut, false );
  80. mouseXOnMouseDown = event.clientX - windowHalfX;
  81. targetRotationOnMouseDown = targetRotation;
  82. }
  83. function onDocumentMouseMove( event ) {
  84. mouseX = event.clientX - windowHalfX;
  85. targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.02;
  86. }
  87. function onDocumentMouseUp( event ) {
  88. document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
  89. document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
  90. document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
  91. }
  92. function onDocumentMouseOut( event ) {
  93. document.removeEventListener( 'mousemove', onDocumentMouseMove, false );
  94. document.removeEventListener( 'mouseup', onDocumentMouseUp, false );
  95. document.removeEventListener( 'mouseout', onDocumentMouseOut, false );
  96. }
  97. function onDocumentTouchStart( event ) {
  98. if ( event.touches.length == 1 ) {
  99. event.preventDefault();
  100. mouseXOnMouseDown = event.touches[ 0 ].pageX - windowHalfX;
  101. targetRotationOnMouseDown = targetRotation;
  102. }
  103. }
  104. function onDocumentTouchMove( event ) {
  105. if ( event.touches.length == 1 ) {
  106. event.preventDefault();
  107. mouseX = event.touches[ 0 ].pageX - windowHalfX;
  108. targetRotation = targetRotationOnMouseDown + ( mouseX - mouseXOnMouseDown ) * 0.05;
  109. }
  110. }
  111. //
  112. function animate() {
  113. requestAnimationFrame( animate );
  114. render();
  115. stats.update();
  116. }
  117. function render() {
  118. plane.rotation.z = cube.rotation.y += ( targetRotation - cube.rotation.y ) * 0.05;
  119. renderer.render( scene, camera );
  120. }
  121. </script>
  122. </body>
  123. </html>