webgl_morphtargets_horse.html 3.8 KB

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  1. <!doctype html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - morph targets - horse</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. font-family: Monospace;
  10. background-color: #f0f0f0;
  11. margin: 0px;
  12. overflow: hidden;
  13. }
  14. </style>
  15. </head>
  16. <body>
  17. <script src="../build/Three.js"></script>
  18. <script src="js/Stats.js"></script>
  19. <script>
  20. var container, stats;
  21. var camera, scene, projector, renderer;
  22. var mesh;
  23. init();
  24. animate();
  25. function init() {
  26. container = document.createElement( 'div' );
  27. document.body.appendChild( container );
  28. var info = document.createElement( 'div' );
  29. info.style.position = 'absolute';
  30. info.style.top = '10px';
  31. info.style.width = '100%';
  32. info.style.textAlign = 'center';
  33. info.innerHTML = '<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> webgl - morph targets - horse. model by <a href="http://mirada.com/">mirada</a> from <a href="http://ro.me">rome</a>';
  34. container.appendChild( info );
  35. //
  36. scene = new THREE.Scene();
  37. camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 10000 );
  38. camera.position.y = 300;
  39. scene.add( camera );
  40. camera.target = new THREE.Vector3( 0, 150, 0 );
  41. //
  42. var light = new THREE.DirectionalLight( 0xefefff, 2 );
  43. light.position.set( 1, 1, 1 ).normalize();
  44. scene.add( light );
  45. var light = new THREE.DirectionalLight( 0xffefef, 2 );
  46. light.position.set( -1, -1, -1 ).normalize();
  47. scene.add( light );
  48. var loader = new THREE.JSONLoader( true );
  49. loader.load( "models/animated/horse.js", function( geometry ) {
  50. mesh = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: 0x606060, morphTargets: true } ) );
  51. mesh.scale.set( 1.5, 1.5, 1.5 );
  52. scene.add( mesh );
  53. } );
  54. //
  55. renderer = new THREE.WebGLRenderer();
  56. renderer.sortObjects = false;
  57. renderer.setSize( window.innerWidth, window.innerHeight );
  58. container.appendChild(renderer.domElement);
  59. //
  60. stats = new Stats();
  61. stats.domElement.style.position = 'absolute';
  62. stats.domElement.style.top = '0px';
  63. container.appendChild( stats.domElement );
  64. //
  65. window.addEventListener( 'resize', onWindowResize, false );
  66. }
  67. function onWindowResize() {
  68. camera.aspect = window.innerWidth / window.innerHeight;
  69. camera.updateProjectionMatrix();
  70. renderer.setSize( window.innerWidth, window.innerHeight );
  71. }
  72. //
  73. function animate() {
  74. requestAnimationFrame( animate );
  75. render();
  76. stats.update();
  77. }
  78. var radius = 600;
  79. var theta = 0;
  80. var duration = 1000;
  81. var keyframes = 15, interpolation = duration / keyframes;
  82. var lastKeyframe = 0, currentKeyframe = 0;
  83. function render() {
  84. theta += 0.2;
  85. camera.position.x = radius * Math.sin( theta * Math.PI / 360 );
  86. camera.position.z = radius * Math.cos( theta * Math.PI / 360 );
  87. camera.lookAt( camera.target );
  88. if ( mesh ) {
  89. // Alternate morph targets
  90. var time = Date.now() % duration;
  91. var keyframe = Math.floor( time / interpolation );
  92. if ( keyframe != currentKeyframe ) {
  93. mesh.morphTargetInfluences[ lastKeyframe ] = 0;
  94. mesh.morphTargetInfluences[ currentKeyframe ] = 1;
  95. mesh.morphTargetInfluences[ keyframe ] = 0;
  96. lastKeyframe = currentKeyframe;
  97. currentKeyframe = keyframe;
  98. // console.log( mesh.morphTargetInfluences );
  99. }
  100. mesh.morphTargetInfluences[ keyframe ] = ( time % interpolation ) / interpolation;
  101. mesh.morphTargetInfluences[ lastKeyframe ] = 1 - mesh.morphTargetInfluences[ keyframe ];
  102. }
  103. renderer.render( scene, camera );
  104. }
  105. </script>
  106. </body>
  107. </html>