canvas_interactive_cubes_tween.html 4.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187
  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/Projector.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, renderer;
  25. var raycaster;
  26. var mouse;
  27. init();
  28. animate();
  29. function init() {
  30. container = document.createElement( 'div' );
  31. document.body.appendChild( container );
  32. var info = document.createElement( 'div' );
  33. info.style.position = 'absolute';
  34. info.style.top = '10px';
  35. info.style.width = '100%';
  36. info.style.textAlign = 'center';
  37. info.innerHTML = '<a href="http://threejs.org" target="_blank">three.js</a> - clickable objects';
  38. container.appendChild( info );
  39. camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 10000 );
  40. camera.position.y = 300;
  41. camera.position.z = 500;
  42. scene = new THREE.Scene();
  43. var geometry = new THREE.BoxGeometry( 100, 100, 100 );
  44. for ( var i = 0; i < 20; i ++ ) {
  45. var object = new THREE.Mesh( geometry, new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff, opacity: 0.5 } ) );
  46. object.position.x = Math.random() * 800 - 400;
  47. object.position.y = Math.random() * 800 - 400;
  48. object.position.z = Math.random() * 800 - 400;
  49. object.scale.x = Math.random() * 2 + 1;
  50. object.scale.y = Math.random() * 2 + 1;
  51. object.scale.z = Math.random() * 2 + 1;
  52. object.rotation.x = Math.random() * 2 * Math.PI;
  53. object.rotation.y = Math.random() * 2 * Math.PI;
  54. object.rotation.z = Math.random() * 2 * Math.PI;
  55. scene.add( object );
  56. }
  57. //
  58. raycaster = new THREE.Raycaster();
  59. mouse = new THREE.Vector2();
  60. renderer = new THREE.CanvasRenderer();
  61. renderer.setClearColor( 0xf0f0f0 );
  62. renderer.setPixelRatio( window.devicePixelRatio );
  63. renderer.setSize( window.innerWidth, window.innerHeight );
  64. container.appendChild(renderer.domElement);
  65. stats = new Stats();
  66. stats.domElement.style.position = 'absolute';
  67. stats.domElement.style.top = '0px';
  68. container.appendChild( stats.domElement );
  69. document.addEventListener( 'mousedown', onDocumentMouseDown, false );
  70. document.addEventListener( 'touchstart', onDocumentTouchStart, false );
  71. //
  72. window.addEventListener( 'resize', onWindowResize, false );
  73. }
  74. function onWindowResize() {
  75. camera.aspect = window.innerWidth / window.innerHeight;
  76. camera.updateProjectionMatrix();
  77. renderer.setSize( window.innerWidth, window.innerHeight );
  78. }
  79. function onDocumentTouchStart( event ) {
  80. event.preventDefault();
  81. event.clientX = event.touches[0].clientX;
  82. event.clientY = event.touches[0].clientY;
  83. onDocumentMouseDown( event );
  84. }
  85. function onDocumentMouseDown( event ) {
  86. event.preventDefault();
  87. mouse.x = ( event.clientX / renderer.domElement.clientWidth ) * 2 - 1;
  88. mouse.y = - ( event.clientY / renderer.domElement.clientHeight ) * 2 + 1;
  89. raycaster.setFromCamera( mouse, camera );
  90. var intersects = raycaster.intersectObjects( scene.children );
  91. if ( intersects.length > 0 ) {
  92. new TWEEN.Tween( intersects[ 0 ].object.position ).to( {
  93. x: Math.random() * 800 - 400,
  94. y: Math.random() * 800 - 400,
  95. z: Math.random() * 800 - 400 }, 2000 )
  96. .easing( TWEEN.Easing.Elastic.Out).start();
  97. new TWEEN.Tween( intersects[ 0 ].object.rotation ).to( {
  98. x: Math.random() * 2 * Math.PI,
  99. y: Math.random() * 2 * Math.PI,
  100. z: Math.random() * 2 * Math.PI }, 2000 )
  101. .easing( TWEEN.Easing.Elastic.Out).start();
  102. }
  103. /*
  104. // Parse all the faces
  105. for ( var i in intersects ) {
  106. intersects[ i ].face.material[ 0 ].color.setHex( Math.random() * 0xffffff | 0x80000000 );
  107. }
  108. */
  109. }
  110. //
  111. function animate() {
  112. requestAnimationFrame( animate );
  113. render();
  114. stats.update();
  115. }
  116. var radius = 600;
  117. var theta = 0;
  118. function render() {
  119. TWEEN.update();
  120. theta += 0.1;
  121. camera.position.x = radius * Math.sin( THREE.Math.degToRad( theta ) );
  122. camera.position.y = radius * Math.sin( THREE.Math.degToRad( theta ) );
  123. camera.position.z = radius * Math.cos( THREE.Math.degToRad( theta ) );
  124. camera.lookAt( scene.position );
  125. renderer.render( scene, camera );
  126. }
  127. </script>
  128. </body>
  129. </html>