webgl_morphtargets.html 4.8 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - animation - morph targets</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. #info {
  17. position: absolute;
  18. top: 0px; width: 100%;
  19. color: #ffffff;
  20. padding: 5px;
  21. font-family: Monospace;
  22. font-size: 13px;
  23. text-align: center;
  24. z-index:100;
  25. }
  26. #ctrl {
  27. position: absolute;
  28. top: 0px;
  29. left: 0px;
  30. width: 200px;
  31. color: #ffffff;
  32. padding: 5px;
  33. font-family: Monospace;
  34. font-size: 13px;
  35. z-index:100;
  36. }
  37. a { color:red }
  38. </style>
  39. </head>
  40. <body>
  41. <div id="info">
  42. <a href="http://threejs.org" target="_blank">three.js</a> - WebGL morph target example
  43. </div>
  44. <div id="ctrl">
  45. Use controls to change morph target influences:<br/>
  46. <input type="range" value="0" min="0" max="100" onchange="mesh.morphTargetInfluences[ 0 ] = this.value/100;" />
  47. <input type="range" value="0" min="0" max="100" onchange="mesh.morphTargetInfluences[ 1 ] = this.value/100;" />
  48. <input type="range" value="0" min="0" max="100" onchange="mesh.morphTargetInfluences[ 2 ] = this.value/100;" />
  49. <input type="range" value="0" min="0" max="100" onchange="mesh.morphTargetInfluences[ 3 ] = this.value/100;" />
  50. <input type="range" value="0" min="0" max="100" onchange="mesh.morphTargetInfluences[ 4 ] = this.value/100;" />
  51. <input type="range" value="0" min="0" max="100" onchange="mesh.morphTargetInfluences[ 5 ] = this.value/100;" />
  52. <input type="range" value="0" min="0" max="100" onchange="mesh.morphTargetInfluences[ 6 ] = this.value/100;" />
  53. <input type="range" value="0" min="0" max="100" onchange="mesh.morphTargetInfluences[ 7 ] = this.value/100;" />
  54. </div>
  55. <script src="../build/three.js"></script>
  56. <script src="js/Detector.js"></script>
  57. <script src="js/libs/stats.min.js"></script>
  58. <script>
  59. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  60. var container, stats;
  61. var camera, scene, renderer;
  62. var geometry, objects;
  63. var mouseX = 0, mouseY = 0;
  64. var mesh;
  65. var windowHalfX = window.innerWidth / 2;
  66. var windowHalfY = window.innerHeight / 2;
  67. document.addEventListener( 'mousemove', onDocumentMouseMove, false );
  68. init();
  69. animate();
  70. function init() {
  71. container = document.createElement( 'div' );
  72. document.body.appendChild( container );
  73. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 15000 );
  74. camera.position.z = 500;
  75. scene = new THREE.Scene();
  76. scene.fog = new THREE.Fog( 0x000000, 1, 15000 );
  77. var light = new THREE.PointLight( 0xff2200 );
  78. light.position.set( 100, 100, 100 );
  79. scene.add( light );
  80. var light = new THREE.AmbientLight( 0x111111 );
  81. scene.add( light );
  82. var geometry = new THREE.BoxGeometry( 100, 100, 100 );
  83. var material = new THREE.MeshLambertMaterial( { color: 0xffffff, morphTargets: true } );
  84. // construct 8 blend shapes
  85. for ( var i = 0; i < 8; i ++ ) {
  86. var vertices = [];
  87. for ( var v = 0; v < geometry.vertices.length; v ++ ) {
  88. vertices.push( geometry.vertices[ v ].clone() );
  89. if ( v === i ) {
  90. vertices[ vertices.length - 1 ].x *= 2;
  91. vertices[ vertices.length - 1 ].y *= 2;
  92. vertices[ vertices.length - 1 ].z *= 2;
  93. }
  94. }
  95. geometry.morphTargets.push( { name: "target" + i, vertices: vertices } );
  96. }
  97. mesh = new THREE.Mesh( geometry, material );
  98. scene.add( mesh );
  99. //
  100. renderer = new THREE.WebGLRenderer();
  101. renderer.setClearColor( 0x222222 );
  102. renderer.setPixelRatio( window.devicePixelRatio );
  103. renderer.setSize( window.innerWidth, window.innerHeight );
  104. renderer.sortObjects = false;
  105. container.appendChild( renderer.domElement );
  106. //
  107. window.addEventListener( 'resize', onWindowResize, false );
  108. }
  109. function onWindowResize() {
  110. windowHalfX = window.innerWidth / 2;
  111. windowHalfY = window.innerHeight / 2;
  112. camera.aspect = window.innerWidth / window.innerHeight;
  113. camera.updateProjectionMatrix();
  114. renderer.setSize( window.innerWidth, window.innerHeight );
  115. }
  116. function onDocumentMouseMove(event) {
  117. mouseX = ( event.clientX - windowHalfX );
  118. mouseY = ( event.clientY - windowHalfY ) * 2;
  119. }
  120. function animate() {
  121. requestAnimationFrame( animate );
  122. render();
  123. }
  124. function render() {
  125. mesh.rotation.y += 0.01;
  126. //mesh.morphTargetInfluences[ 0 ] = Math.sin( mesh.rotation.y ) * 0.5 + 0.5;
  127. //camera.position.x += ( mouseX - camera.position.x ) * .005;
  128. camera.position.y += ( - mouseY - camera.position.y ) * .01;
  129. camera.lookAt( scene.position );
  130. renderer.render( scene, camera );
  131. }
  132. </script>
  133. </body>
  134. </html>