misc_controls_trackball.html 3.5 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js webgl - trackball controls</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. color: #000;
  10. font-family:Monospace;
  11. font-size:13px;
  12. text-align:center;
  13. font-weight: bold;
  14. background-color: #fff;
  15. margin: 0px;
  16. overflow: hidden;
  17. }
  18. #info {
  19. color:#000;
  20. position: absolute;
  21. top: 0px; width: 100%;
  22. padding: 5px;
  23. }
  24. a {
  25. color: red;
  26. }
  27. </style>
  28. </head>
  29. <body>
  30. <div id="info">
  31. <a href="http://threejs.org" target="_blank" rel="noopener">three.js</a> - trackball controls example<br />
  32. MOVE mouse &amp; press LEFT/A: rotate, MIDDLE/S: zoom, RIGHT/D: pan
  33. </div>
  34. <script src="../build/three.js"></script>
  35. <script src="js/controls/TrackballControls.js"></script>
  36. <script src="js/Detector.js"></script>
  37. <script src="js/libs/stats.min.js"></script>
  38. <script>
  39. if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
  40. var camera, controls, scene, renderer, stats;
  41. init();
  42. animate();
  43. function init() {
  44. camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
  45. camera.position.z = 500;
  46. controls = new THREE.TrackballControls( camera );
  47. controls.rotateSpeed = 1.0;
  48. controls.zoomSpeed = 1.2;
  49. controls.panSpeed = 0.8;
  50. controls.noZoom = false;
  51. controls.noPan = false;
  52. controls.staticMoving = true;
  53. controls.dynamicDampingFactor = 0.3;
  54. controls.keys = [ 65, 83, 68 ];
  55. controls.addEventListener( 'change', render );
  56. // world
  57. scene = new THREE.Scene();
  58. scene.background = new THREE.Color( 0xcccccc );
  59. scene.fog = new THREE.FogExp2( 0xcccccc, 0.002 );
  60. var geometry = new THREE.CylinderBufferGeometry( 0, 10, 30, 4, 1 );
  61. var material = new THREE.MeshPhongMaterial( { color: 0xffffff, flatShading: true } );
  62. for ( var i = 0; i < 500; i ++ ) {
  63. var mesh = new THREE.Mesh( geometry, material );
  64. mesh.position.x = ( Math.random() - 0.5 ) * 1000;
  65. mesh.position.y = ( Math.random() - 0.5 ) * 1000;
  66. mesh.position.z = ( Math.random() - 0.5 ) * 1000;
  67. mesh.updateMatrix();
  68. mesh.matrixAutoUpdate = false;
  69. scene.add( mesh );
  70. }
  71. // lights
  72. var light = new THREE.DirectionalLight( 0xffffff );
  73. light.position.set( 1, 1, 1 );
  74. scene.add( light );
  75. var light = new THREE.DirectionalLight( 0x002288 );
  76. light.position.set( -1, -1, -1 );
  77. scene.add( light );
  78. var light = new THREE.AmbientLight( 0x222222 );
  79. scene.add( light );
  80. // renderer
  81. renderer = new THREE.WebGLRenderer( { antialias: true } );
  82. renderer.setPixelRatio( window.devicePixelRatio );
  83. renderer.setSize( window.innerWidth, window.innerHeight );
  84. document.body.appendChild( renderer.domElement );
  85. stats = new Stats();
  86. document.body.appendChild( stats.dom );
  87. //
  88. window.addEventListener( 'resize', onWindowResize, false );
  89. //
  90. render();
  91. }
  92. function onWindowResize() {
  93. camera.aspect = window.innerWidth / window.innerHeight;
  94. camera.updateProjectionMatrix();
  95. renderer.setSize( window.innerWidth, window.innerHeight );
  96. controls.handleResize();
  97. render();
  98. }
  99. function animate() {
  100. requestAnimationFrame( animate );
  101. controls.update();
  102. }
  103. function render() {
  104. renderer.render( scene, camera );
  105. stats.update();
  106. }
  107. </script>
  108. </body>
  109. </html>