canvas_geometry_panorama.html 5.0 KB

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  1. <!DOCTYPE HTML>
  2. <html lang="en">
  3. <head>
  4. <title>three.js - panorama demo</title>
  5. <meta charset="utf-8">
  6. <style type="text/css">
  7. body {
  8. background-color: rgb(200,200,200);
  9. margin: 0px;
  10. overflow: hidden;
  11. }
  12. #info {
  13. position: absolute;
  14. top: 0px; width: 100%;
  15. color: #ffffff;
  16. padding: 5px;
  17. font-family:Monospace;
  18. font-size:13px;
  19. font-weight: bold;
  20. text-align:center;
  21. }
  22. a {
  23. color: #ffffff;
  24. }
  25. </style>
  26. </head>
  27. <body>
  28. <div id="container"></div>
  29. <div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - panorama demo. cubemap by <a href="http://www.zfight.com/" target="_blank">Jochum Skoglund</a>.</div>
  30. <script type="text/javascript" src="../build/Three.js"></script>
  31. <script type="text/javascript" src="../src/extras/primitives/Cube.js"></script>
  32. <script type="text/javascript">
  33. var camera, scene, renderer;
  34. var fov = 75,
  35. texture_placeholder,
  36. isUserInteracting = false,
  37. onMouseDownMouseX = 0, onMouseDownMouseY = 0,
  38. lon = 90, onMouseDownLon = 0,
  39. lat = 0, onMouseDownLat = 0,
  40. phi = 0, theta = 0;
  41. init();
  42. function init() {
  43. var container, mesh;
  44. container = document.getElementById( 'container' );
  45. camera = new THREE.Camera( fov, window.innerWidth / window.innerHeight, 1, 1100 );
  46. scene = new THREE.Scene();
  47. texture_placeholder = document.createElement( 'canvas' );
  48. texture_placeholder.width = 128;
  49. texture_placeholder.height = 128;
  50. var context = texture_placeholder.getContext( '2d' );
  51. context.fillStyle = 'rgb( 200, 200, 200 )';
  52. context.fillRect( 0, 0, texture_placeholder.width, texture_placeholder.height );
  53. var materials = [
  54. loadTexture( 'textures/cube/skybox/px.jpg' ), // right
  55. loadTexture( 'textures/cube/skybox/nx.jpg' ), // left
  56. loadTexture( 'textures/cube/skybox/py.jpg' ), // top
  57. loadTexture( 'textures/cube/skybox/ny.jpg' ), // bottom
  58. loadTexture( 'textures/cube/skybox/pz.jpg' ), // back
  59. loadTexture( 'textures/cube/skybox/nz.jpg' ) // front
  60. ];
  61. mesh = new THREE.Mesh( new Cube( 300, 300, 300, 7, 7, materials, true ), new THREE.MeshFaceMaterial() );
  62. mesh.overdraw = true;
  63. scene.addObject( mesh );
  64. renderer = new THREE.CanvasRenderer();
  65. renderer.setSize( window.innerWidth, window.innerHeight );
  66. container.appendChild( renderer.domElement );
  67. document.addEventListener( 'mousedown', onDocumentMouseDown, false );
  68. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  69. document.addEventListener( 'mouseup', onDocumentMouseUp, false );
  70. document.addEventListener( 'mousewheel', onDocumentMouseWheel, false );
  71. document.addEventListener( 'touchstart', onDocumentTouchStart, false );
  72. document.addEventListener( 'touchmove', onDocumentTouchMove, false );
  73. }
  74. function loadTexture( path ) {
  75. var material = new THREE.MeshBasicMaterial( { map: new THREE.Texture( texture_placeholder ) } );
  76. var image = new Image();
  77. image.onload = function () {
  78. this.loaded = true;
  79. material.map.image = this;
  80. render();
  81. };
  82. image.src = path;
  83. return material;
  84. }
  85. function onDocumentMouseDown( event ) {
  86. event.preventDefault();
  87. isUserInteracting = true;
  88. onPointerDownPointerX = event.clientX;
  89. onPointerDownPointerY = event.clientY;
  90. onPointerDownLon = lon;
  91. onPointerDownLat = lat;
  92. }
  93. function onDocumentMouseMove( event ) {
  94. if ( isUserInteracting ) {
  95. lon = ( onPointerDownPointerX - event.clientX ) * 0.1 + onPointerDownLon;
  96. lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
  97. render();
  98. }
  99. }
  100. function onDocumentMouseUp( event ) {
  101. isUserInteracting = false;
  102. render();
  103. }
  104. function onDocumentMouseWheel( event ) {
  105. fov -= event.wheelDeltaY * 0.05;
  106. camera.projectionMatrix = THREE.Matrix4.makePerspective( fov, window.innerWidth / window.innerHeight, 1, 1100 );
  107. render();
  108. }
  109. function onDocumentTouchStart( event ) {
  110. if( event.touches.length == 1 ) {
  111. event.preventDefault();
  112. onPointerDownPointerX = event.touches[ 0 ].pageX;
  113. onPointerDownPointerY = event.touches[ 0 ].pageY;
  114. onPointerDownLon = lon;
  115. onPointerDownLat = lat;
  116. }
  117. }
  118. function onDocumentTouchMove( event ) {
  119. if( event.touches.length == 1 ) {
  120. event.preventDefault();
  121. lon = ( onPointerDownPointerX - event.touches[0].pageX ) * 0.1 + onPointerDownLon;
  122. lat = ( event.touches[0].pageY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
  123. render();
  124. }
  125. }
  126. function render() {
  127. lat = Math.max( - 85, Math.min( 85, lat ) );
  128. phi = ( 90 - lat ) * Math.PI / 180;
  129. theta = lon * Math.PI / 180;
  130. camera.target.position.x = 500 * Math.sin( phi ) * Math.cos( theta );
  131. camera.target.position.y = 500 * Math.cos( phi );
  132. camera.target.position.z = 500 * Math.sin( phi ) * Math.sin( theta );
  133. renderer.render( scene, camera );
  134. }
  135. </script>
  136. </body>
  137. </html>