webgl_animation_skinning.html 5.6 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242
  1. <!DOCTYPE HTML>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - animation - skinning</title>
  5. <meta charset="utf-8">
  6. <style type="text/css">
  7. body {
  8. color: #000;
  9. font-family:Monospace;
  10. font-size:13px;
  11. text-align:center;
  12. background-color: #000;
  13. margin: 0px;
  14. overflow: hidden;
  15. }
  16. #info {
  17. position: absolute;
  18. top: 0px; width: 100%;
  19. padding: 5px;
  20. }
  21. a {
  22. color: #f00;
  23. }
  24. </style>
  25. </head>
  26. <body>
  27. <div id="container"></div>
  28. <div id="info">
  29. <a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> webgl - animation - skinning -
  30. buffalo model from <a href="http://ro.me">ro.me</a><br/>
  31. click to start animation
  32. </div>
  33. <script type="text/javascript" src="../build/Three.js"></script>
  34. <script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
  35. <script type="text/javascript" src="js/Detector.js"></script>
  36. <script type="text/javascript" src="js/Stats.js"></script>
  37. <script type="text/javascript">
  38. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  39. window.onload = init;
  40. var container, stats;
  41. var camera, scene, renderer;
  42. var mesh, light;
  43. var mouseX = 0, mouseY = 0;
  44. var windowHalfX = window.innerWidth / 2;
  45. var windowHalfY = window.innerHeight / 2;
  46. var height = window.innerHeight;
  47. var animations = [];
  48. var buffalos = [];
  49. var offset = [];
  50. var floor, dz = 0, dstep = -10, playback = false;
  51. function init() {
  52. container = document.getElementById( 'container' );
  53. camera = new THREE.Camera( 25, window.innerWidth / height, 1, 10000 );
  54. camera.position.y = 185;
  55. camera.position.z = 2500;
  56. scene = new THREE.Scene();
  57. scene.fog = new THREE.FogExp2( 0xffffff, 0.0003 );
  58. //scene.fog.color.setHSV( 0.1, 0.5, 1 );
  59. scene.fog.color.setHSV( 0.1, 0.10, 1 );
  60. light = new THREE.DirectionalLight( 0xffffff, 1.5 );
  61. light.position.set( 0, 1, 1 );
  62. light.position.normalize();
  63. scene.add( light );
  64. var planeSimple = new THREE.PlaneGeometry( 200, 300 );
  65. var planeTesselated = new THREE.PlaneGeometry( 100, 300, 25, 40 );
  66. var matWire = new THREE.MeshBasicMaterial( { color :0x110000, wireframe: true, wireframeLinewidth: 2 } );
  67. var matSolid = new THREE.MeshBasicMaterial( { color :0x330000 } );
  68. matSolid.color.setHSV( 0.1, 0.75, 1 );
  69. floor = new THREE.Mesh( planeSimple, matSolid );
  70. floor.position.y = -10;
  71. floor.rotation.x = -1.57;
  72. floor.scale.set( 25, 25, 25 );
  73. scene.add( floor );
  74. floor = new THREE.Mesh( planeTesselated, matWire );
  75. floor.rotation.x = -1.57;
  76. floor.scale.set( 25, 25, 25 );
  77. scene.add( floor );
  78. renderer = new THREE.WebGLRenderer( { clearColor: 0xffffff, clearAlpha: 1 } );
  79. renderer.setSize( window.innerWidth, height );
  80. renderer.setClearColor( scene.fog.color, 1 );
  81. renderer.sortObjects = false;
  82. container.appendChild( renderer.domElement );
  83. stats = new Stats();
  84. stats.domElement.style.position = 'absolute';
  85. stats.domElement.style.top = '0px';
  86. container.appendChild( stats.domElement );
  87. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  88. document.addEventListener( 'click', startAnimation, false );
  89. var loader = new THREE.JSONLoader();
  90. loader.load( { model: "obj/buffalo/buffalo.js", callback: createScene } );
  91. loop();
  92. }
  93. function createScene( geometry ) {
  94. buffalos = [];
  95. animations = [];
  96. var x, y,
  97. buffalo, animation,
  98. gridx = 25, gridz = 15,
  99. sepx = 150, sepz = 300;
  100. var material = new THREE.MeshFaceMaterial();
  101. var originalMaterial = geometry.materials[ 0 ][ 0 ];
  102. originalMaterial.skinning = true;
  103. originalMaterial.transparent = true;
  104. originalMaterial.alphaTest = 0.75;
  105. THREE.AnimationHandler.add( geometry.animation );
  106. for( x = 0; x < gridx; x ++ ) {
  107. for( z = 0; z < gridz; z ++ ) {
  108. buffalo = new THREE.SkinnedMesh( geometry, material );
  109. //buffalo.doubleSided = true;
  110. buffalo.position.x = - ( gridx - 1 ) * sepx * 0.5 + x * sepx + Math.random() * 0.5 * sepx;
  111. buffalo.position.z = - ( gridz - 1 ) * sepz * 0.5 + z * sepz + Math.random() * 0.5 * sepz - 500;
  112. buffalo.position.y = buffalo.boundRadius * 0.5;
  113. buffalo.rotation.y = 0.2 - Math.random() * 0.4;
  114. scene.add( buffalo );
  115. buffalos.push( buffalo );
  116. animation = new THREE.Animation( buffalo, "take_001" );
  117. animations.push( animation );
  118. offset.push( Math.random() );
  119. }
  120. }
  121. }
  122. function startAnimation() {
  123. for( var i = 0; i < animations.length; i ++ ) {
  124. animations[ i ].offset = 0.05 * Math.random();
  125. animations[ i ].play();
  126. }
  127. dz = dstep;
  128. playback = true;
  129. }
  130. function onDocumentMouseMove( event ) {
  131. mouseX = ( event.clientX - windowHalfX );
  132. mouseY = ( event.clientY - windowHalfY );
  133. }
  134. var oldTime = new Date().getTime();
  135. function loop() {
  136. requestAnimationFrame( loop, renderer.domElement );
  137. var time = new Date().getTime();
  138. THREE.AnimationHandler.update( 0.001 * ( time - oldTime ) );
  139. oldTime = time;
  140. camera.position.x += ( mouseX - camera.position.x ) * 0.05;
  141. //camera.position.y += ( - mouseY - camera.position.y ) * 0.05;
  142. if ( buffalos && playback ) {
  143. camera.position.z += 2 * Math.sin( new Date().getTime() * 0.001 );
  144. for( i = 0; i < buffalos.length; i++ ) {
  145. buffalos[ i ].position.z += 2 * Math.sin( new Date().getTime() * 0.001 + offset[ i ] );
  146. }
  147. }
  148. floor.position.z += dz;
  149. if( floor.position.z < -500 ) floor.position.z = 0;
  150. renderer.render( scene, camera );
  151. stats.update();
  152. }
  153. </script>
  154. </body>
  155. </html>