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webgl_postprocessing_dof.html 7.0 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - postprocessing - depth-of-field</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. background-color: #000000;
  10. margin: 0px;
  11. overflow: hidden;
  12. font-family: Monospace;
  13. font-size: 13px;
  14. text-align: center;
  15. font-weight: bold;
  16. text-align: center;
  17. }
  18. a { color: #0078ff; }
  19. #info {
  20. color: #fff;
  21. position: relative;
  22. top: 0px;
  23. width: 50em;
  24. margin: 0 auto -2.1em;
  25. padding: 5px;
  26. z-index: 100;
  27. }
  28. </style>
  29. </head>
  30. <body>
  31. <script src="../build/three.js"></script>
  32. <script src="js/shaders/CopyShader.js"></script>
  33. <script src="js/shaders/BokehShader.js"></script>
  34. <script src="js/postprocessing/EffectComposer.js"></script>
  35. <script src="js/postprocessing/RenderPass.js"></script>
  36. <script src="js/postprocessing/ShaderPass.js"></script>
  37. <script src="js/postprocessing/MaskPass.js"></script>
  38. <script src="js/postprocessing/BokehPass.js"></script>
  39. <script src="js/WebGL.js"></script>
  40. <script src="js/libs/stats.min.js"></script>
  41. <script src='js/libs/dat.gui.min.js'></script>
  42. <div id="info">
  43. <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl depth-of-field with bokeh example -
  44. shader by <a href="http://artmartinsh.blogspot.com/2010/02/glsl-lens-blur-filter-with-bokeh.html">Martins Upitis</a>
  45. </div>
  46. <script>
  47. if ( WEBGL.isWebGLAvailable() === false ) {
  48. document.body.appendChild( WEBGL.getWebGLErrorMessage() );
  49. }
  50. var container, stats;
  51. var camera, scene, renderer,
  52. materials = [], objects = [],
  53. singleMaterial, zmaterial = [],
  54. parameters, i, j, k, h, x, y, z, nobjects, cubeMaterial;
  55. var mouseX = 0, mouseY = 0;
  56. var windowHalfX = window.innerWidth / 2;
  57. var windowHalfY = window.innerHeight / 2;
  58. var width = window.innerWidth;
  59. var height = window.innerHeight;
  60. var postprocessing = {};
  61. init();
  62. animate();
  63. function init() {
  64. container = document.createElement( 'div' );
  65. document.body.appendChild( container );
  66. camera = new THREE.PerspectiveCamera( 70, width / height, 1, 3000 );
  67. camera.position.z = 200;
  68. scene = new THREE.Scene();
  69. renderer = new THREE.WebGLRenderer();
  70. renderer.setPixelRatio( window.devicePixelRatio );
  71. renderer.setSize( width, height );
  72. container.appendChild( renderer.domElement );
  73. var path = "textures/cube/SwedishRoyalCastle/";
  74. var format = '.jpg';
  75. var urls = [
  76. path + 'px' + format, path + 'nx' + format,
  77. path + 'py' + format, path + 'ny' + format,
  78. path + 'pz' + format, path + 'nz' + format
  79. ];
  80. var textureCube = new THREE.CubeTextureLoader().load( urls );
  81. parameters = { color: 0xff1100, envMap: textureCube };
  82. cubeMaterial = new THREE.MeshBasicMaterial( parameters );
  83. singleMaterial = false;
  84. if ( singleMaterial ) zmaterial = [ cubeMaterial ];
  85. var geo = new THREE.SphereBufferGeometry( 1, 20, 10 );
  86. var xgrid = 14,
  87. ygrid = 9,
  88. zgrid = 14;
  89. nobjects = xgrid * ygrid * zgrid;
  90. var s = 60;
  91. var count = 0;
  92. for ( i = 0; i < xgrid; i ++ )
  93. for ( j = 0; j < ygrid; j ++ )
  94. for ( k = 0; k < zgrid; k ++ ) {
  95. var mesh;
  96. if ( singleMaterial ) {
  97. mesh = new THREE.Mesh( geo, zmaterial );
  98. } else {
  99. mesh = new THREE.Mesh( geo, new THREE.MeshBasicMaterial( parameters ) );
  100. materials[ count ] = mesh.material;
  101. }
  102. x = 200 * ( i - xgrid / 2 );
  103. y = 200 * ( j - ygrid / 2 );
  104. z = 200 * ( k - zgrid / 2 );
  105. mesh.position.set( x, y, z );
  106. mesh.scale.set( s, s, s );
  107. mesh.matrixAutoUpdate = false;
  108. mesh.updateMatrix();
  109. scene.add( mesh );
  110. objects.push( mesh );
  111. count ++;
  112. }
  113. scene.matrixAutoUpdate = false;
  114. initPostprocessing();
  115. renderer.autoClear = false;
  116. stats = new Stats();
  117. container.appendChild( stats.dom );
  118. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  119. document.addEventListener( 'touchstart', onDocumentTouchStart, false );
  120. document.addEventListener( 'touchmove', onDocumentTouchMove, false );
  121. window.addEventListener( 'resize', onWindowResize, false );
  122. var effectController = {
  123. focus: 500.0,
  124. aperture: 5,
  125. maxblur: 1.0
  126. };
  127. var matChanger = function ( ) {
  128. postprocessing.bokeh.uniforms[ "focus" ].value = effectController.focus;
  129. postprocessing.bokeh.uniforms[ "aperture" ].value = effectController.aperture * 0.00001;
  130. postprocessing.bokeh.uniforms[ "maxblur" ].value = effectController.maxblur;
  131. };
  132. var gui = new dat.GUI();
  133. gui.add( effectController, "focus", 10.0, 3000.0, 10 ).onChange( matChanger );
  134. gui.add( effectController, "aperture", 0, 10, 0.1 ).onChange( matChanger );
  135. gui.add( effectController, "maxblur", 0.0, 3.0, 0.025 ).onChange( matChanger );
  136. gui.close();
  137. matChanger();
  138. }
  139. function onDocumentMouseMove( event ) {
  140. mouseX = event.clientX - windowHalfX;
  141. mouseY = event.clientY - windowHalfY;
  142. }
  143. function onDocumentTouchStart( event ) {
  144. if ( event.touches.length == 1 ) {
  145. event.preventDefault();
  146. mouseX = event.touches[ 0 ].pageX - windowHalfX;
  147. mouseY = event.touches[ 0 ].pageY - windowHalfY;
  148. }
  149. }
  150. function onDocumentTouchMove( event ) {
  151. if ( event.touches.length == 1 ) {
  152. event.preventDefault();
  153. mouseX = event.touches[ 0 ].pageX - windowHalfX;
  154. mouseY = event.touches[ 0 ].pageY - windowHalfY;
  155. }
  156. }
  157. function onWindowResize() {
  158. windowHalfX = window.innerWidth / 2;
  159. windowHalfY = window.innerHeight / 2;
  160. width = window.innerWidth;
  161. height = window.innerHeight;
  162. camera.aspect = width / height;
  163. camera.updateProjectionMatrix();
  164. renderer.setSize( width, height );
  165. postprocessing.composer.setSize( width, height );
  166. }
  167. function initPostprocessing() {
  168. var renderPass = new THREE.RenderPass( scene, camera );
  169. var bokehPass = new THREE.BokehPass( scene, camera, {
  170. focus: 1.0,
  171. aperture: 0.025,
  172. maxblur: 1.0,
  173. width: width,
  174. height: height
  175. } );
  176. bokehPass.renderToScreen = true;
  177. var composer = new THREE.EffectComposer( renderer );
  178. composer.addPass( renderPass );
  179. composer.addPass( bokehPass );
  180. postprocessing.composer = composer;
  181. postprocessing.bokeh = bokehPass;
  182. }
  183. function animate() {
  184. requestAnimationFrame( animate, renderer.domElement );
  185. stats.begin();
  186. render();
  187. stats.end();
  188. }
  189. function render() {
  190. var time = Date.now() * 0.00005;
  191. camera.position.x += ( mouseX - camera.position.x ) * 0.036;
  192. camera.position.y += ( - ( mouseY ) - camera.position.y ) * 0.036;
  193. camera.lookAt( scene.position );
  194. if ( ! singleMaterial ) {
  195. for ( i = 0; i < nobjects; i ++ ) {
  196. h = ( 360 * ( i / nobjects + time ) % 360 ) / 360;
  197. materials[ i ].color.setHSL( h, 1, 0.5 );
  198. }
  199. }
  200. postprocessing.composer.render( 0.1 );
  201. }
  202. </script>
  203. </body>
  204. </html>