webgl_materials_channels.html 6.8 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - materials - channels</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:#000;
  10. color:#fff;
  11. padding:0;
  12. margin:0;
  13. font-weight: bold;
  14. overflow:hidden;
  15. }
  16. a { color: #ffffff; }
  17. #info {
  18. position: absolute;
  19. top: 0px; width: 100%;
  20. color: #ffffff;
  21. padding: 5px;
  22. font-family:Monospace;
  23. font-size:13px;
  24. text-align:center;
  25. }
  26. #vt { display:none }
  27. #vt, #vt a { color:orange; }
  28. #stats { position: absolute; top:0; left: 0 }
  29. #stats #fps { background: transparent !important }
  30. #stats #fps #fpsText { color: #aaa !important }
  31. #stats #fps #fpsGraph { display: none }
  32. </style>
  33. </head>
  34. <body>
  35. <div id="info">
  36. <a href="http://threejs.org" target="_blank">three.js</a> - <span id="description">Normal, Depth, DepthRGBA, DepthRGBAUnpacked, Materials</span> by <a href="https://Clara.io">Ben Houston</a>.<br />
  37. ninja head from <a href="http://developer.amd.com/tools-and-sdks/archive/legacy-cpu-gpu-tools/amd-gpu-meshmapper/" target="_blank">AMD GPU MeshMapper</a>
  38. <div id="vt">displacement mapping requires vertex textures</div>
  39. </div>
  40. <script src="../build/three.min.js"></script>
  41. <script src="js/controls/OrbitControls.js"></script>
  42. <script src="js/loaders/BinaryLoader.js"></script>
  43. <script src="js/shaders/DepthRGBAUnpackedShader.js"></script>
  44. <script src="js/Detector.js"></script>
  45. <script src="js/libs/stats.min.js"></script>
  46. <script src='js/libs/dat.gui.min.js'></script>
  47. <script>
  48. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  49. var stats, loader;
  50. var camera, scene, renderer, controls;
  51. var params = {
  52. material: 'normal',
  53. camera: 'perspective'
  54. };
  55. var cameraOrtho, cameraPerspective;
  56. var controlsOrtho, controlsPerspective;
  57. var mesh, materialStandard, materialDepth, materialDepthRGBA, materialDepthRGBAUnpacked, materialNormal;
  58. var pointLight, ambientLight;
  59. var height = 500; // of camera frustum
  60. init();
  61. animate();
  62. initGui();
  63. // Init gui
  64. function initGui() {
  65. var gui = new dat.GUI();
  66. gui.add( params, 'material', [ 'standard', 'normal', 'depth', 'depthRGBA', 'depthRGBAUnpacked' ] );
  67. gui.add( params, 'camera', [ 'perspective', 'ortho' ] );
  68. }
  69. function init() {
  70. var container = document.createElement( 'div' );
  71. document.body.appendChild( container );
  72. renderer = new THREE.WebGLRenderer();
  73. renderer.setPixelRatio( window.devicePixelRatio );
  74. renderer.setSize( window.innerWidth, window.innerHeight );
  75. container.appendChild( renderer.domElement );
  76. //
  77. scene = new THREE.Scene();
  78. var aspect = window.innerWidth / window.innerHeight;
  79. cameraPerspective = new THREE.PerspectiveCamera( 45, aspect, 1000, 2500 );
  80. cameraPerspective.position.z = 1500;
  81. scene.add( cameraPerspective );
  82. cameraOrtho = new THREE.OrthographicCamera( - height * aspect, height * aspect, height, - height, 1000, 2500 );
  83. cameraOrtho.position.z = 1500;
  84. scene.add( cameraOrtho );
  85. camera = cameraPerspective;
  86. controlsPerspective = new THREE.OrbitControls( cameraPerspective, renderer.domElement );
  87. controlsPerspective.minDistance = 1000;
  88. controlsPerspective.maxDistance = 2500;
  89. controlsPerspective.enablePan = false;
  90. controlsPerspective.enableDamping = true;
  91. controlsOrtho = new THREE.OrbitControls( cameraOrtho, renderer.domElement );
  92. controlsOrtho.minZoom = 0.5;
  93. controlsOrtho.maxZoom = 2;
  94. controlsOrtho.enablePan = false;
  95. controlsOrtho.enableDamping = true;
  96. // lights
  97. var ambientLight = new THREE.AmbientLight( 0xffffff, 0.1 );
  98. scene.add( ambientLight );
  99. var pointLight = new THREE.PointLight( 0xff0000, 0.5 );
  100. pointLight.position.z = 2500;
  101. scene.add( pointLight );
  102. var pointLight2 = new THREE.PointLight( 0xff6666, 1 );
  103. camera.add( pointLight2 );
  104. var pointLight3 = new THREE.PointLight( 0x0000ff, 0.5 );
  105. pointLight3.position.x = - 1000;
  106. pointLight3.position.z = 1000;
  107. scene.add( pointLight3 );
  108. // textures
  109. var textureLoader = new THREE.TextureLoader();
  110. var normalMap = textureLoader.load( "textures/normal/ninja/normal.jpg" );
  111. var aoMap = textureLoader.load( "textures/normal/ninja/ao.jpg" );
  112. var displacementMap = textureLoader.load( "textures/normal/ninja/displacement.jpg" );
  113. // material
  114. materialStandard = new THREE.MeshStandardMaterial( { color: 0xffffff } );
  115. materialStandard.metalness = 0;
  116. materialStandard.roughness = 0.6;
  117. materialStandard.displacementMap = displacementMap;
  118. materialStandard.displacementScale = 1.5;
  119. materialStandard.aoMap = aoMap;
  120. materialStandard.normalMap = normalMap;
  121. materialStandard.normalScale.set( 1, - 1 );
  122. materialDepth = new THREE.MeshDepthMaterial();
  123. materialDepthRGBA = new THREE.ShaderMaterial( THREE.ShaderLib.depthRGBA );
  124. materialDepthRGBAUnpacked = new THREE.ShaderMaterial( THREE.DepthRGBAUnpackedShader );
  125. materialNormal = new THREE.MeshNormalMaterial();
  126. //
  127. loader = new THREE.BinaryLoader();
  128. loader.load( "obj/ninja/NinjaLo_bin.js", function( geometry ) {
  129. geometry.faceVertexUvs[ 1 ] = geometry.faceVertexUvs[ 0 ]; // 2nd set of UVs required for aoMap
  130. mesh = new THREE.Mesh( geometry, materialNormal );
  131. mesh.scale.multiplyScalar( 25 );
  132. scene.add( mesh );
  133. } );
  134. //
  135. stats = new Stats();
  136. container.appendChild( stats.domElement );
  137. //
  138. window.addEventListener( 'resize', onWindowResize, false );
  139. }
  140. function onWindowResize() {
  141. var aspect = window.innerWidth / window.innerHeight;
  142. camera.left = - height * aspect;
  143. camera.right = height * aspect;
  144. camera.top = height;
  145. camera.bottom = - height;
  146. camera.updateProjectionMatrix();
  147. renderer.setSize( window.innerWidth, window.innerHeight );
  148. }
  149. //
  150. function animate() {
  151. requestAnimationFrame( animate );
  152. controlsOrtho.update();
  153. controlsPerspective.update();
  154. stats.begin();
  155. render();
  156. stats.end();
  157. }
  158. function render() {
  159. if ( mesh ) {
  160. var material = mesh.material;
  161. switch ( params.material ) {
  162. case 'standard': material = materialStandard; break;
  163. case 'depth': material = materialDepth; break;
  164. case 'depthRGBA': material = materialDepthRGBA; break;
  165. case 'depthRGBAUnpacked': material = materialDepthRGBAUnpacked; break;
  166. case 'normal': material = materialNormal; break;
  167. }
  168. mesh.material = material;
  169. }
  170. switch ( params.camera ) {
  171. case 'perspective': camera = cameraPerspective; break;
  172. case 'ortho': camera = cameraOrtho; break;
  173. }
  174. renderer.render( scene, camera );
  175. }
  176. </script>
  177. </body>
  178. </html>