canvas_interactive_cubes_tween.html 4.4 KB

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  1. <!DOCTYPE html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js canvas - interactive - cubes tween</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. </style>
  15. </head>
  16. <body>
  17. <script src="../build/three.min.js"></script>
  18. <script src="js/renderers/Renderer.js"></script>
  19. <script src="js/renderers/CanvasRenderer.js"></script>
  20. <script src="js/libs/stats.min.js"></script>
  21. <script src="js/libs/tween.min.js"></script>
  22. <script>
  23. var container, stats;
  24. var camera, scene, projector, renderer;
  25. init();
  26. animate();
  27. function init() {
  28. container = document.createElement( 'div' );
  29. document.body.appendChild( container );
  30. var info = document.createElement( 'div' );
  31. info.style.position = 'absolute';
  32. info.style.top = '10px';
  33. info.style.width = '100%';
  34. info.style.textAlign = 'center';
  35. info.innerHTML = '<a href="http://threejs.org" target="_blank">three.js</a> - clickable objects';
  36. container.appendChild( info );
  37. camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 10000 );
  38. camera.position.y = 300;
  39. camera.position.z = 500;
  40. scene = new THREE.Scene();
  41. var geometry = new THREE.BoxGeometry( 100, 100, 100 );
  42. for ( var i = 0; i < 20; i ++ ) {
  43. var object = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff, opacity: 0.5 } ) );
  44. object.position.x = Math.random() * 800 - 400;
  45. object.position.y = Math.random() * 800 - 400;
  46. object.position.z = Math.random() * 800 - 400;
  47. object.scale.x = Math.random() * 2 + 1;
  48. object.scale.y = Math.random() * 2 + 1;
  49. object.scale.z = Math.random() * 2 + 1;
  50. object.rotation.x = Math.random() * 2 * Math.PI;
  51. object.rotation.y = Math.random() * 2 * Math.PI;
  52. object.rotation.z = Math.random() * 2 * Math.PI;
  53. scene.add( object );
  54. }
  55. projector = new THREE.Projector();
  56. renderer = new THREE.CanvasRenderer();
  57. renderer.setClearColor( 0xf0f0f0 );
  58. renderer.setSize( window.innerWidth, window.innerHeight );
  59. container.appendChild(renderer.domElement);
  60. stats = new Stats();
  61. stats.domElement.style.position = 'absolute';
  62. stats.domElement.style.top = '0px';
  63. container.appendChild( stats.domElement );
  64. document.addEventListener( 'mousedown', onDocumentMouseDown, false );
  65. //
  66. window.addEventListener( 'resize', onWindowResize, false );
  67. }
  68. function onWindowResize() {
  69. camera.aspect = window.innerWidth / window.innerHeight;
  70. camera.updateProjectionMatrix();
  71. renderer.setSize( window.innerWidth, window.innerHeight );
  72. }
  73. function onDocumentMouseDown( event ) {
  74. event.preventDefault();
  75. var vector = new THREE.Vector3( ( event.clientX / window.innerWidth ) * 2 - 1, - ( event.clientY / window.innerHeight ) * 2 + 1, 0.5 );
  76. projector.unprojectVector( vector, camera );
  77. var raycaster = new THREE.Raycaster( camera.position, vector.sub( camera.position ).normalize() );
  78. var intersects = raycaster.intersectObjects( scene.children );
  79. if ( intersects.length > 0 ) {
  80. new TWEEN.Tween( intersects[ 0 ].object.position ).to( {
  81. x: Math.random() * 800 - 400,
  82. y: Math.random() * 800 - 400,
  83. z: Math.random() * 800 - 400 }, 2000 )
  84. .easing( TWEEN.Easing.Elastic.Out).start();
  85. new TWEEN.Tween( intersects[ 0 ].object.rotation ).to( {
  86. x: Math.random() * 2 * Math.PI,
  87. y: Math.random() * 2 * Math.PI,
  88. z: Math.random() * 2 * Math.PI }, 2000 )
  89. .easing( TWEEN.Easing.Elastic.Out).start();
  90. }
  91. /*
  92. // Parse all the faces
  93. for ( var i in intersects ) {
  94. intersects[ i ].face.material[ 0 ].color.setHex( Math.random() * 0xffffff | 0x80000000 );
  95. }
  96. */
  97. }
  98. //
  99. function animate() {
  100. requestAnimationFrame( animate );
  101. render();
  102. stats.update();
  103. }
  104. var radius = 600;
  105. var theta = 0;
  106. function render() {
  107. TWEEN.update();
  108. theta += 0.1;
  109. camera.position.x = radius * Math.sin( THREE.Math.degToRad( theta ) );
  110. camera.position.y = radius * Math.sin( THREE.Math.degToRad( theta ) );
  111. camera.position.z = radius * Math.cos( THREE.Math.degToRad( theta ) );
  112. camera.lookAt( scene.position );
  113. renderer.render( scene, camera );
  114. }
  115. </script>
  116. </body>
  117. </html>