webgl_loader_collada_kinematics.html 5.1 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - collada</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: #000000;
  11. margin: 0px;
  12. overflow: hidden;
  13. }
  14. #info {
  15. color: #fff;
  16. position: absolute;
  17. top: 10px;
  18. width: 100%;
  19. text-align: center;
  20. z-index: 100;
  21. display:block;
  22. }
  23. a { color: skyblue }
  24. </style>
  25. </head>
  26. <body>
  27. <div id="info">
  28. <a href="http://threejs.org" target="_blank">three.js</a> -
  29. robot from <a href="https://github.com/rdiankov/collada_robots" target="_blank">collada robots</a>
  30. </div>
  31. <script src="../build/three.js"></script>
  32. <script src="js/libs/tween.min.js"></script>
  33. <script src="js/loaders/ColladaLoader.js"></script>
  34. <script src="js/Detector.js"></script>
  35. <script src="js/libs/stats.min.js"></script>
  36. <script>
  37. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  38. var container, stats;
  39. var camera, scene, renderer, objects;
  40. var particleLight;
  41. var dae;
  42. var kinematics;
  43. var kinematicsTween;
  44. var tweenParameters = {};
  45. var loader = new THREE.ColladaLoader();
  46. loader.options.convertUpAxis = true;
  47. loader.load( './models/collada/kawada-hironx.dae', function ( collada ) {
  48. dae = collada.scene;
  49. dae.traverse( function ( child ) {
  50. if ( child instanceof THREE.Mesh ) {
  51. child.geometry.computeFaceNormals();
  52. child.material.shading = THREE.FlatShading;
  53. }
  54. } );
  55. dae.scale.x = dae.scale.y = dae.scale.z = 10.0;
  56. dae.updateMatrix();
  57. kinematics = collada.kinematics;
  58. init();
  59. animate();
  60. } );
  61. function init() {
  62. container = document.createElement( 'div' );
  63. document.body.appendChild( container );
  64. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
  65. camera.position.set( 2, 2, 3 );
  66. scene = new THREE.Scene();
  67. // Grid
  68. var size = 14, step = 1;
  69. var geometry = new THREE.Geometry();
  70. var material = new THREE.LineBasicMaterial( { color: 0x303030 } );
  71. for ( var i = - size; i <= size; i += step ) {
  72. geometry.vertices.push( new THREE.Vector3( - size, - 0.04, i ) );
  73. geometry.vertices.push( new THREE.Vector3( size, - 0.04, i ) );
  74. geometry.vertices.push( new THREE.Vector3( i, - 0.04, - size ) );
  75. geometry.vertices.push( new THREE.Vector3( i, - 0.04, size ) );
  76. }
  77. var line = new THREE.LineSegments( geometry, material );
  78. scene.add( line );
  79. // Add the COLLADA
  80. scene.add( dae );
  81. particleLight = new THREE.Mesh( new THREE.SphereGeometry( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
  82. scene.add( particleLight );
  83. // Lights
  84. var light = new THREE.HemisphereLight( 0xffeeee, 0x111122 );
  85. scene.add( light );
  86. var pointLight = new THREE.PointLight( 0xffffff, 0.3 );
  87. particleLight.add( pointLight );
  88. renderer = new THREE.WebGLRenderer();
  89. renderer.setPixelRatio( window.devicePixelRatio );
  90. renderer.setSize( window.innerWidth, window.innerHeight );
  91. container.appendChild( renderer.domElement );
  92. stats = new Stats();
  93. container.appendChild( stats.dom );
  94. setupTween();
  95. //
  96. window.addEventListener( 'resize', onWindowResize, false );
  97. }
  98. function setupTween() {
  99. var duration = getRandomInt( 1000, 5000 );
  100. var target = {};
  101. for ( var i = 0; i < kinematics.joints.length; i ++ ) {
  102. var joint = kinematics.joints[ i ];
  103. var old = tweenParameters[ i ];
  104. var position = old ? old : joint.zeroPosition;
  105. tweenParameters[ i ] = position;
  106. target[ i ] = getRandomInt( joint.limits.min, joint.limits.max )
  107. }
  108. kinematicsTween = new TWEEN.Tween( tweenParameters ).to( target, duration ).easing( TWEEN.Easing.Quadratic.Out );
  109. kinematicsTween.onUpdate( function() {
  110. for ( var i = 0; i < kinematics.joints.length; i ++ ) {
  111. kinematics.setJointValue( i, this[ i ] );
  112. }
  113. } );
  114. kinematicsTween.start();
  115. setTimeout( setupTween, duration );
  116. }
  117. function onWindowResize() {
  118. camera.aspect = window.innerWidth / window.innerHeight;
  119. camera.updateProjectionMatrix();
  120. renderer.setSize( window.innerWidth, window.innerHeight );
  121. }
  122. //
  123. function animate() {
  124. requestAnimationFrame( animate );
  125. render();
  126. stats.update();
  127. TWEEN.update();
  128. }
  129. function render() {
  130. var timer = Date.now() * 0.0001;
  131. camera.position.x = Math.cos( timer ) * 17;
  132. camera.position.y = 10;
  133. camera.position.z = Math.sin( timer ) * 17;
  134. camera.lookAt( scene.position );
  135. particleLight.position.x = Math.sin( timer * 4 ) * 3009;
  136. particleLight.position.y = Math.cos( timer * 5 ) * 4000;
  137. particleLight.position.z = Math.cos( timer * 4 ) * 3009;
  138. renderer.render( scene, camera );
  139. }
  140. // Returns a random integer between min (inclusive) and max (inclusive)
  141. // Using Math.round() will give you a non-uniform distribution!
  142. function getRandomInt( min, max ) {
  143. return Math.floor( Math.random() * ( max - min + 1 ) ) + min;
  144. }
  145. </script>
  146. </body>
  147. </html>