webgl_multiple_views.html 7.1 KB

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  1. <!doctype html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - multiple views</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. color: #000;
  10. font-family:Monospace;
  11. font-size:13px;
  12. text-align:center;
  13. background-color: #fff;
  14. margin: 0px;
  15. overflow: hidden;
  16. }
  17. #info {
  18. position: absolute;
  19. top: 0px; width: 100%;
  20. padding: 5px;
  21. }
  22. a {
  23. color: #0080ff;
  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> - multiple views - webgl</div>
  30. <script src="../build/Three.js"></script>
  31. <script src="js/Detector.js"></script>
  32. <script src="js/Stats.js"></script>
  33. <script>
  34. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  35. var container, stats;
  36. var views, scene, renderer;
  37. var mesh, group1, group2, group3, light;
  38. var mouseX = 0, mouseY = 0;
  39. var windowWidth, windowHeight;
  40. var views = [
  41. {
  42. left: 0,
  43. bottom: 0,
  44. width: 0.5,
  45. height: 1.0,
  46. background: { r: 0.5, g: 0.5, b: 0.7, a: 1 },
  47. eye: [ 0, 300, 1800 ],
  48. up: [ 0, 1, 0 ],
  49. fov: 30,
  50. updateCamera: function ( camera, scene, mouseX, mouseY ) {
  51. camera.position.x += mouseX * 0.05;
  52. camera.position.x = Math.max( Math.min( camera.position.x, 2000 ), -2000 );
  53. camera.lookAt( scene.position );
  54. }
  55. },
  56. {
  57. left: 0.5,
  58. bottom: 0,
  59. width: 0.5,
  60. height: 0.5,
  61. background: { r: 0.7, g: 0.5, b: 0.5, a: 1 },
  62. eye: [ 0, 1800, 0 ],
  63. up: [ 0, 0, 1 ],
  64. fov: 45,
  65. updateCamera: function ( camera, scene, mouseX, mouseY ) {
  66. camera.position.x -= mouseX * 0.05;
  67. camera.position.x = Math.max( Math.min( camera.position.x, 2000 ), -2000 );
  68. camera.lookAt( camera.position.clone().setY( 0 ) );
  69. }
  70. },
  71. {
  72. left: 0.5,
  73. bottom: 0.5,
  74. width: 0.5,
  75. height: 0.5,
  76. background: { r: 0.5, g: 0.7, b: 0.7, a: 1 },
  77. eye: [ 1400, 800, 1400 ],
  78. up: [ 0, 1, 0 ],
  79. fov: 60,
  80. updateCamera: function ( camera, scene, mouseX, mouseY ) {
  81. camera.position.y -= mouseX * 0.05;
  82. camera.position.y = Math.max( Math.min( camera.position.y, 1600 ), -1600 );
  83. camera.lookAt( scene.position );
  84. }
  85. }
  86. ];
  87. init();
  88. animate();
  89. function init() {
  90. container = document.getElementById( 'container' );
  91. scene = new THREE.Scene();
  92. for (var ii = 0; ii < views.length; ++ii ) {
  93. var view = views[ii];
  94. camera = new THREE.PerspectiveCamera( view.fov, window.innerWidth / window.innerHeight, 1, 10000 );
  95. camera.position.x = view.eye[ 0 ];
  96. camera.position.y = view.eye[ 1 ];
  97. camera.position.z = view.eye[ 2 ];
  98. camera.up.x = view.up[ 0 ];
  99. camera.up.y = view.up[ 1 ];
  100. camera.up.z = view.up[ 2 ];
  101. scene.add( camera );
  102. view.camera = camera;
  103. }
  104. light = new THREE.DirectionalLight( 0xffffff );
  105. light.position.set( 0, 0, 1 );
  106. scene.add( light );
  107. var shadowMaterial = new THREE.MeshBasicMaterial( { map: THREE.ImageUtils.loadTexture( 'textures/shadow.png' ) } );
  108. var shadowGeo = new THREE.PlaneGeometry( 300, 300, 1, 1 );
  109. mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
  110. mesh.position.y = - 250;
  111. scene.add( mesh );
  112. mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
  113. mesh.position.y = - 250;
  114. mesh.position.x = - 400;
  115. scene.add( mesh );
  116. mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
  117. mesh.position.y = - 250;
  118. mesh.position.x = 400;
  119. scene.add( mesh );
  120. var faceIndices = [ 'a', 'b', 'c', 'd' ];
  121. var color, f, f2, f3, p, n, vertexIndex,
  122. radius = 200,
  123. geometry = new THREE.IcosahedronGeometry( radius, 1 ),
  124. geometry2 = new THREE.IcosahedronGeometry( radius, 1 ),
  125. geometry3 = new THREE.IcosahedronGeometry( radius, 1 );
  126. for ( var i = 0; i < geometry.faces.length; i ++ ) {
  127. f = geometry.faces[ i ];
  128. f2 = geometry2.faces[ i ];
  129. f3 = geometry3.faces[ i ];
  130. n = ( f instanceof THREE.Face3 ) ? 3 : 4;
  131. for( var j = 0; j < n; j++ ) {
  132. vertexIndex = f[ faceIndices[ j ] ];
  133. p = geometry.vertices[ vertexIndex ];
  134. color = new THREE.Color( 0xffffff );
  135. color.setHSV( ( p.y / radius + 1 ) / 2, 1.0, 1.0 );
  136. f.vertexColors[ j ] = color;
  137. color = new THREE.Color( 0xffffff );
  138. color.setHSV( 0.0, ( p.y / radius + 1 ) / 2, 1.0 );
  139. f2.vertexColors[ j ] = color;
  140. color = new THREE.Color( 0xffffff );
  141. color.setHSV( 0.125 * vertexIndex/geometry.vertices.length, 1.0, 1.0 );
  142. f3.vertexColors[ j ] = color;
  143. }
  144. }
  145. var materials = [
  146. new THREE.MeshLambertMaterial( { color: 0xffffff, shading: THREE.FlatShading, vertexColors: THREE.VertexColors } ),
  147. new THREE.MeshBasicMaterial( { color: 0x000000, shading: THREE.FlatShading, wireframe: true, transparent: true } )
  148. ];
  149. group1 = THREE.SceneUtils.createMultiMaterialObject( geometry, materials );
  150. group1.position.x = -400;
  151. group1.rotation.x = -1.87;
  152. scene.add( group1 );
  153. group2 = THREE.SceneUtils.createMultiMaterialObject( geometry2, materials );
  154. group2.position.x = 400;
  155. group2.rotation.x = 0;
  156. scene.add( group2 );
  157. group3 = THREE.SceneUtils.createMultiMaterialObject( geometry3, materials );
  158. group3.position.x = 0;
  159. group3.rotation.x = 0;
  160. scene.add( group3 );
  161. renderer = new THREE.WebGLRenderer( { antialias: true } );
  162. renderer.setSize( window.innerWidth, window.innerHeight );
  163. container.appendChild( renderer.domElement );
  164. stats = new Stats();
  165. stats.domElement.style.position = 'absolute';
  166. stats.domElement.style.top = '0px';
  167. container.appendChild( stats.domElement );
  168. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  169. }
  170. function onDocumentMouseMove( event ) {
  171. mouseX = ( event.clientX - windowWidth / 2 );
  172. mouseY = ( event.clientY - windowHeight / 2 );
  173. }
  174. function updateSize() {
  175. if ( windowWidth != window.innerWidth || windowHeight != window.innerHeight ) {
  176. windowWidth = window.innerWidth;
  177. windowHeight = window.innerHeight;
  178. renderer.setSize ( windowWidth, windowHeight );
  179. }
  180. }
  181. function animate() {
  182. render();
  183. stats.update();
  184. requestAnimationFrame( animate );
  185. }
  186. function render() {
  187. updateSize();
  188. for ( var ii = 0; ii < views.length; ++ii ) {
  189. view = views[ii];
  190. camera = view.camera;
  191. view.updateCamera( camera, scene, mouseX, mouseY );
  192. var left = Math.floor( windowWidth * view.left );
  193. var bottom = Math.floor( windowHeight * view.bottom );
  194. var width = Math.floor( windowWidth * view.width );
  195. var height = Math.floor( windowHeight * view.height );
  196. renderer.setViewport( left, bottom, width, height );
  197. renderer.setScissor( left, bottom, width, height );
  198. renderer.enableScissorTest ( true );
  199. renderer.setClearColor( view.background, view.background.a );
  200. camera.aspect = width / height;
  201. camera.updateProjectionMatrix();
  202. renderer.render( scene, camera );
  203. }
  204. }
  205. </script>
  206. </body>
  207. </html>