webgl_loader_collada_kinematics.html 4.8 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - collada - kinematics</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:#777;
  10. padding:0;
  11. margin:0;
  12. overflow:hidden;
  13. }
  14. #info {
  15. position: absolute;
  16. top: 0px;
  17. width: 100%;
  18. color: #ffffff;
  19. padding: 5px;
  20. font-family:Monospace;
  21. font-size:13px;
  22. text-align:center;
  23. }
  24. a {
  25. color: #ffffff;
  26. }
  27. </style>
  28. </head>
  29. <body>
  30. <div id="info">
  31. <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> collada loader - kinematics
  32. | robot from <a href="https://github.com/rdiankov/collada_robots" target="_blank" rel="noopener">collada robots</a>
  33. </div>
  34. <script src="../build/three.js"></script>
  35. <script src="js/libs/tween.min.js"></script>
  36. <script src="js/loaders/ColladaLoader.js"></script>
  37. <script src="js/Detector.js"></script>
  38. <script src="js/libs/stats.min.js"></script>
  39. <script>
  40. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  41. var container, stats;
  42. var camera, scene, renderer, objects;
  43. var particleLight;
  44. var dae;
  45. var kinematics;
  46. var kinematicsTween;
  47. var tweenParameters = {};
  48. var loader = new THREE.ColladaLoader();
  49. // loader.load( './models/collada/kawada-hironx.dae', function ( collada ) {
  50. loader.load( './models/collada/abb_irb52_7_120.dae', function ( collada ) {
  51. dae = collada.scene;
  52. dae.traverse( function ( child ) {
  53. if ( child instanceof THREE.Mesh ) {
  54. // model does not have normals
  55. child.material.flatShading = true;
  56. }
  57. } );
  58. dae.scale.x = dae.scale.y = dae.scale.z = 10.0;
  59. dae.updateMatrix();
  60. kinematics = collada.kinematics;
  61. init();
  62. animate();
  63. } );
  64. function init() {
  65. container = document.createElement( 'div' );
  66. document.body.appendChild( container );
  67. camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 2000 );
  68. camera.position.set( 2, 2, 3 );
  69. scene = new THREE.Scene();
  70. // Grid
  71. var grid = new THREE.GridHelper( 20, 20 );
  72. scene.add( grid );
  73. // Add the COLLADA
  74. scene.add( dae );
  75. particleLight = new THREE.Mesh( new THREE.SphereGeometry( 4, 8, 8 ), new THREE.MeshBasicMaterial( { color: 0xffffff } ) );
  76. scene.add( particleLight );
  77. // Lights
  78. var light = new THREE.HemisphereLight( 0xffeeee, 0x111122 );
  79. scene.add( light );
  80. var pointLight = new THREE.PointLight( 0xffffff, 0.3 );
  81. particleLight.add( pointLight );
  82. renderer = new THREE.WebGLRenderer();
  83. renderer.setPixelRatio( window.devicePixelRatio );
  84. renderer.setSize( window.innerWidth, window.innerHeight );
  85. container.appendChild( renderer.domElement );
  86. stats = new Stats();
  87. container.appendChild( stats.dom );
  88. setupTween();
  89. //
  90. window.addEventListener( 'resize', onWindowResize, false );
  91. }
  92. function setupTween() {
  93. var duration = THREE.Math.randInt( 1000, 5000 );
  94. var target = {};
  95. for ( var prop in kinematics.joints ) {
  96. if ( kinematics.joints.hasOwnProperty( prop ) ) {
  97. if ( ! kinematics.joints[ prop ].static ) {
  98. var joint = kinematics.joints[ prop ];
  99. var old = tweenParameters[ prop ];
  100. var position = old ? old : joint.zeroPosition;
  101. tweenParameters[ prop ] = position;
  102. target[ prop ] = THREE.Math.randInt( joint.limits.min, joint.limits.max )
  103. }
  104. }
  105. }
  106. kinematicsTween = new TWEEN.Tween( tweenParameters ).to( target, duration ).easing( TWEEN.Easing.Quadratic.Out );
  107. kinematicsTween.onUpdate( function() {
  108. for ( var prop in kinematics.joints ) {
  109. if ( kinematics.joints.hasOwnProperty( prop ) ) {
  110. if ( ! kinematics.joints[ prop ].static ) {
  111. kinematics.setJointValue( prop, this[ prop ] );
  112. }
  113. }
  114. }
  115. } );
  116. kinematicsTween.start();
  117. setTimeout( setupTween, duration );
  118. }
  119. function onWindowResize() {
  120. camera.aspect = window.innerWidth / window.innerHeight;
  121. camera.updateProjectionMatrix();
  122. renderer.setSize( window.innerWidth, window.innerHeight );
  123. }
  124. //
  125. function animate() {
  126. requestAnimationFrame( animate );
  127. render();
  128. stats.update();
  129. TWEEN.update();
  130. }
  131. function render() {
  132. var timer = Date.now() * 0.0001;
  133. camera.position.x = Math.cos( timer ) * 20;
  134. camera.position.y = 10;
  135. camera.position.z = Math.sin( timer ) * 20;
  136. camera.lookAt( new THREE.Vector3( 0, 5, 0 ) );
  137. particleLight.position.x = Math.sin( timer * 4 ) * 3009;
  138. particleLight.position.y = Math.cos( timer * 5 ) * 4000;
  139. particleLight.position.z = Math.cos( timer * 4 ) * 3009;
  140. renderer.render( scene, camera );
  141. }
  142. </script>
  143. </body>
  144. </html>