webgl_multiple_views.html 7.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301
  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://threejs.org" 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/libs/stats.min.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: new THREE.Color().setRGB( 0.5, 0.5, 0.7 ),
  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: new THREE.Color().setRGB( 0.7, 0.5, 0.5 ),
  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: new THREE.Color().setRGB( 0.5, 0.7, 0.7 ),
  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. for (var ii = 0; ii < views.length; ++ii ) {
  92. var view = views[ii];
  93. camera = new THREE.PerspectiveCamera( view.fov, window.innerWidth / window.innerHeight, 1, 10000 );
  94. camera.position.x = view.eye[ 0 ];
  95. camera.position.y = view.eye[ 1 ];
  96. camera.position.z = view.eye[ 2 ];
  97. camera.up.x = view.up[ 0 ];
  98. camera.up.y = view.up[ 1 ];
  99. camera.up.z = view.up[ 2 ];
  100. view.camera = camera;
  101. }
  102. scene = new THREE.Scene();
  103. light = new THREE.DirectionalLight( 0xffffff );
  104. light.position.set( 0, 0, 1 );
  105. scene.add( light );
  106. // shadow
  107. var canvas = document.createElement( 'canvas' );
  108. canvas.width = 128;
  109. canvas.height = 128;
  110. var context = canvas.getContext( '2d' );
  111. var gradient = context.createRadialGradient( canvas.width / 2, canvas.height / 2, 0, canvas.width / 2, canvas.height / 2, canvas.width / 2 );
  112. gradient.addColorStop( 0.1, 'rgba(0,0,0,0.15)' );
  113. gradient.addColorStop( 1, 'rgba(0,0,0,0)' );
  114. context.fillStyle = gradient;
  115. context.fillRect( 0, 0, canvas.width, canvas.height );
  116. var shadowTexture = new THREE.CanvasTexture( canvas );
  117. var shadowMaterial = new THREE.MeshBasicMaterial( { map: shadowTexture, transparent: true } );
  118. var shadowGeo = new THREE.PlaneBufferGeometry( 300, 300, 1, 1 );
  119. mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
  120. mesh.position.y = - 250;
  121. mesh.rotation.x = - Math. PI / 2;
  122. scene.add( mesh );
  123. mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
  124. mesh.position.x = - 400;
  125. mesh.position.y = - 250;
  126. mesh.rotation.x = - Math. PI / 2;
  127. scene.add( mesh );
  128. mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
  129. mesh.position.x = 400;
  130. mesh.position.y = - 250;
  131. mesh.rotation.x = - Math. PI / 2;
  132. scene.add( mesh );
  133. var faceIndices = [ 'a', 'b', 'c' ];
  134. var color, f, f2, f3, p, vertexIndex,
  135. radius = 200,
  136. geometry = new THREE.IcosahedronGeometry( radius, 1 ),
  137. geometry2 = new THREE.IcosahedronGeometry( radius, 1 ),
  138. geometry3 = new THREE.IcosahedronGeometry( radius, 1 );
  139. for ( var i = 0; i < geometry.faces.length; i ++ ) {
  140. f = geometry.faces[ i ];
  141. f2 = geometry2.faces[ i ];
  142. f3 = geometry3.faces[ i ];
  143. for( var j = 0; j < 3; j++ ) {
  144. vertexIndex = f[ faceIndices[ j ] ];
  145. p = geometry.vertices[ vertexIndex ];
  146. color = new THREE.Color( 0xffffff );
  147. color.setHSL( ( p.y / radius + 1 ) / 2, 1.0, 0.5 );
  148. f.vertexColors[ j ] = color;
  149. color = new THREE.Color( 0xffffff );
  150. color.setHSL( 0.0, ( p.y / radius + 1 ) / 2, 0.5 );
  151. f2.vertexColors[ j ] = color;
  152. color = new THREE.Color( 0xffffff );
  153. color.setHSL( 0.125 * vertexIndex/geometry.vertices.length, 1.0, 0.5 );
  154. f3.vertexColors[ j ] = color;
  155. }
  156. }
  157. var materials = [
  158. new THREE.MeshPhongMaterial( { color: 0xffffff, shading: THREE.FlatShading, vertexColors: THREE.VertexColors, shininess: 0 } ),
  159. new THREE.MeshBasicMaterial( { color: 0x000000, shading: THREE.FlatShading, wireframe: true, transparent: true } )
  160. ];
  161. group1 = THREE.SceneUtils.createMultiMaterialObject( geometry, materials );
  162. group1.position.x = -400;
  163. group1.rotation.x = -1.87;
  164. scene.add( group1 );
  165. group2 = THREE.SceneUtils.createMultiMaterialObject( geometry2, materials );
  166. group2.position.x = 400;
  167. group2.rotation.x = 0;
  168. scene.add( group2 );
  169. group3 = THREE.SceneUtils.createMultiMaterialObject( geometry3, materials );
  170. group3.position.x = 0;
  171. group3.rotation.x = 0;
  172. scene.add( group3 );
  173. renderer = new THREE.WebGLRenderer( { antialias: true } );
  174. renderer.setPixelRatio( window.devicePixelRatio );
  175. renderer.setSize( window.innerWidth, window.innerHeight );
  176. container.appendChild( renderer.domElement );
  177. stats = new Stats();
  178. container.appendChild( stats.dom );
  179. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  180. }
  181. function onDocumentMouseMove( event ) {
  182. mouseX = ( event.clientX - windowWidth / 2 );
  183. mouseY = ( event.clientY - windowHeight / 2 );
  184. }
  185. function updateSize() {
  186. if ( windowWidth != window.innerWidth || windowHeight != window.innerHeight ) {
  187. windowWidth = window.innerWidth;
  188. windowHeight = window.innerHeight;
  189. renderer.setSize ( windowWidth, windowHeight );
  190. }
  191. }
  192. function animate() {
  193. render();
  194. stats.update();
  195. requestAnimationFrame( animate );
  196. }
  197. function render() {
  198. updateSize();
  199. for ( var ii = 0; ii < views.length; ++ii ) {
  200. view = views[ii];
  201. camera = view.camera;
  202. view.updateCamera( camera, scene, mouseX, mouseY );
  203. var left = Math.floor( windowWidth * view.left );
  204. var bottom = Math.floor( windowHeight * view.bottom );
  205. var width = Math.floor( windowWidth * view.width );
  206. var height = Math.floor( windowHeight * view.height );
  207. renderer.setViewport( left, bottom, width, height );
  208. renderer.setScissor( left, bottom, width, height );
  209. renderer.setScissorTest( true );
  210. renderer.setClearColor( view.background );
  211. camera.aspect = width / height;
  212. camera.updateProjectionMatrix();
  213. renderer.render( scene, camera );
  214. }
  215. }
  216. </script>
  217. </body>
  218. </html>