webgl_morphtargets.html 4.7 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. font-family: Monospace;
  10. background-color: #f0f0f0;
  11. margin: 0px;
  12. overflow: hidden;
  13. }
  14. #info {
  15. position: absolute;
  16. top: 0px;
  17. width: 100%;
  18. padding: 5px;
  19. font-family:Monospace;
  20. font-size:13px;
  21. text-align:center;
  22. color: #ffffff;
  23. }
  24. a { color: #ffffff; }
  25. </style>
  26. </head>
  27. <body>
  28. <div id="container"></div>
  29. <div id="info">
  30. <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - WebGL morph target example
  31. </div>
  32. <script src="../build/three.js"></script>
  33. <script src="js/controls/OrbitControls.js"></script>
  34. <script src="js/WebGL.js"></script>
  35. <script src="js/libs/dat.gui.min.js"></script>
  36. <script src="js/libs/stats.min.js"></script>
  37. <script>
  38. if ( WEBGL.isWebGLAvailable() === false ) {
  39. document.body.appendChild( WEBGL.getWebGLErrorMessage() );
  40. }
  41. var container;
  42. var camera, scene, renderer;
  43. var mesh;
  44. init();
  45. animate();
  46. function init() {
  47. container = document.getElementById( 'container' );
  48. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
  49. camera.position.z = 500;
  50. scene = new THREE.Scene();
  51. scene.background = new THREE.Color( 0x222222 );
  52. scene.fog = new THREE.Fog( 0x000000, 1, 15000 );
  53. var light = new THREE.PointLight( 0xff2200 );
  54. camera.add( light );
  55. scene.add( camera );
  56. var light = new THREE.AmbientLight( 0x111111 );
  57. scene.add( light );
  58. var geometry = new THREE.BoxGeometry( 100, 100, 100 );
  59. var material = new THREE.MeshLambertMaterial( { color: 0xffffff, morphTargets: true } );
  60. // construct 8 blend shapes
  61. for ( var i = 0; i < 8; i ++ ) {
  62. var vertices = [];
  63. for ( var v = 0; v < geometry.vertices.length; v ++ ) {
  64. vertices.push( geometry.vertices[ v ].clone() );
  65. if ( v === i ) {
  66. vertices[ vertices.length - 1 ].x *= 2;
  67. vertices[ vertices.length - 1 ].y *= 2;
  68. vertices[ vertices.length - 1 ].z *= 2;
  69. }
  70. }
  71. geometry.morphTargets.push( { name: "target" + i, vertices: vertices } );
  72. }
  73. geometry = new THREE.BufferGeometry().fromGeometry( geometry );
  74. mesh = new THREE.Mesh( geometry, material );
  75. scene.add( mesh );
  76. //
  77. var params = {
  78. influence1: 0,
  79. influence2: 0,
  80. influence3: 0,
  81. influence4: 0,
  82. influence5: 0,
  83. influence6: 0,
  84. influence7: 0,
  85. influence8: 0
  86. };
  87. var gui = new dat.GUI();
  88. var folder = gui.addFolder( 'Morph Targets' );
  89. folder.add( params, 'influence1', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
  90. mesh.morphTargetInfluences[ 0 ] = value;
  91. } );
  92. folder.add( params, 'influence2', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
  93. mesh.morphTargetInfluences[ 1 ] = value;
  94. } );
  95. folder.add( params, 'influence3', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
  96. mesh.morphTargetInfluences[ 2 ] = value;
  97. } );
  98. folder.add( params, 'influence4', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
  99. mesh.morphTargetInfluences[ 3 ] = value;
  100. } );
  101. folder.add( params, 'influence5', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
  102. mesh.morphTargetInfluences[ 4 ] = value;
  103. } );
  104. folder.add( params, 'influence6', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
  105. mesh.morphTargetInfluences[ 5 ] = value;
  106. } );
  107. folder.add( params, 'influence7', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
  108. mesh.morphTargetInfluences[ 6 ] = value;
  109. } );
  110. folder.add( params, 'influence8', 0, 1 ).step( 0.01 ).onChange( function ( value ) {
  111. mesh.morphTargetInfluences[ 7 ] = value;
  112. } );
  113. folder.open();
  114. //
  115. renderer = new THREE.WebGLRenderer();
  116. renderer.setPixelRatio( window.devicePixelRatio );
  117. renderer.setSize( window.innerWidth, window.innerHeight );
  118. container.appendChild( renderer.domElement );
  119. //
  120. var controls = new THREE.OrbitControls( camera, renderer.domElement );
  121. controls.minDistance = 400;
  122. controls.maxDistance = 1000;
  123. //
  124. window.addEventListener( 'resize', onWindowResize, false );
  125. }
  126. function onWindowResize() {
  127. camera.aspect = window.innerWidth / window.innerHeight;
  128. camera.updateProjectionMatrix();
  129. renderer.setSize( window.innerWidth, window.innerHeight );
  130. }
  131. function animate() {
  132. requestAnimationFrame( animate );
  133. render();
  134. }
  135. function render() {
  136. mesh.rotation.y += 0.01;
  137. renderer.render( scene, camera );
  138. }
  139. </script>
  140. </body>
  141. </html>