webgl_materials_bumpmap.html 4.5 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - materials - bump map [Lee Perry-Smith]</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. z-index:1000;
  26. }
  27. #oldie {
  28. background:rgb(200,100,0) !important;
  29. color:#fff;
  30. }
  31. #vt { display:none }
  32. #vt, #vt a { color:orange; }
  33. </style>
  34. </head>
  35. <body>
  36. <div id="info">
  37. <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl bump mapping without tangents -
  38. <a href="http://graphics.cs.williams.edu/data/meshes.xml#14" target="_blank" rel="noopener">Lee Perry-Smith</a> head
  39. </div>
  40. <script src="../build/three.js"></script>
  41. <script src="js/loaders/GLTFLoader.js"></script>
  42. <script src="js/Detector.js"></script>
  43. <script src="js/libs/stats.min.js"></script>
  44. <script>
  45. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  46. var statsEnabled = true;
  47. var container, stats, loader;
  48. var camera, scene, renderer;
  49. var mesh;
  50. var spotLight;
  51. var mouseX = 0;
  52. var mouseY = 0;
  53. var targetX = 0;
  54. var targetY = 0;
  55. var windowHalfX = window.innerWidth / 2;
  56. var windowHalfY = window.innerHeight / 2;
  57. init();
  58. animate();
  59. function init() {
  60. container = document.createElement( 'div' );
  61. document.body.appendChild( container );
  62. //
  63. camera = new THREE.PerspectiveCamera( 27, window.innerWidth / window.innerHeight, 1, 10000 );
  64. camera.position.z = 1200;
  65. scene = new THREE.Scene();
  66. scene.background = new THREE.Color( 0x060708 );
  67. // LIGHTS
  68. scene.add( new THREE.HemisphereLight( 0x443333, 0x111122 ) );
  69. spotLight = new THREE.SpotLight( 0xffffbb, 2 );
  70. spotLight.position.set( 0.5, 0, 1 );
  71. spotLight.position.multiplyScalar( 700 );
  72. scene.add( spotLight );
  73. spotLight.castShadow = true;
  74. spotLight.shadow.mapSize.width = 2048;
  75. spotLight.shadow.mapSize.height = 2048;
  76. spotLight.shadow.camera.near = 200;
  77. spotLight.shadow.camera.far = 1500;
  78. spotLight.shadow.camera.fov = 40;
  79. spotLight.shadow.bias = -0.005;
  80. //
  81. var mapHeight = new THREE.TextureLoader().load( "models/gltf/LeePerrySmith/Infinite-Level_02_Disp_NoSmoothUV-4096.jpg" );
  82. var material = new THREE.MeshPhongMaterial( {
  83. color: 0x552811,
  84. specular: 0x222222,
  85. shininess: 25,
  86. bumpMap: mapHeight,
  87. bumpScale: 12
  88. } );
  89. loader = new THREE.GLTFLoader();
  90. loader.load( "models/gltf/LeePerrySmith/LeePerrySmith.glb", function( gltf ) { createScene( gltf.scene.children[ 0 ].geometry, 100, material ) } );
  91. renderer = new THREE.WebGLRenderer();
  92. renderer.setPixelRatio( window.devicePixelRatio );
  93. renderer.setSize( window.innerWidth, window.innerHeight );
  94. container.appendChild( renderer.domElement );
  95. renderer.shadowMap.enabled = true;
  96. //
  97. renderer.gammaInput = true;
  98. renderer.gammaOutput = true;
  99. //
  100. if ( statsEnabled ) {
  101. stats = new Stats();
  102. container.appendChild( stats.dom );
  103. }
  104. // EVENTS
  105. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  106. window.addEventListener( 'resize', onWindowResize, false );
  107. }
  108. function createScene( geometry, scale, material ) {
  109. mesh = new THREE.Mesh( geometry, material );
  110. mesh.position.y = - 50;
  111. mesh.scale.set( scale, scale, scale );
  112. mesh.castShadow = true;
  113. mesh.receiveShadow = true;
  114. scene.add( mesh );
  115. }
  116. //
  117. function onWindowResize( event ) {
  118. renderer.setSize( window.innerWidth, window.innerHeight );
  119. camera.aspect = window.innerWidth / window.innerHeight;
  120. camera.updateProjectionMatrix();
  121. }
  122. function onDocumentMouseMove( event ) {
  123. mouseX = ( event.clientX - windowHalfX );
  124. mouseY = ( event.clientY - windowHalfY );
  125. }
  126. //
  127. function animate() {
  128. requestAnimationFrame( animate );
  129. render();
  130. if ( statsEnabled ) stats.update();
  131. }
  132. function render() {
  133. targetX = mouseX * .001;
  134. targetY = mouseY * .001;
  135. if ( mesh ) {
  136. mesh.rotation.y += 0.05 * ( targetX - mesh.rotation.y );
  137. mesh.rotation.x += 0.05 * ( targetY - mesh.rotation.x );
  138. }
  139. renderer.render( scene, camera );
  140. }
  141. </script>
  142. </body>
  143. </html>