canvas_interactive_cubes.html 3.9 KB

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  1. <!DOCTYPE HTML>
  2. <html lang="en">
  3. <head>
  4. <title>three.js canvas - interactive - cubes</title>
  5. <meta charset="utf-8">
  6. <style type="text/css">
  7. body {
  8. font-family: Monospace;
  9. background-color: #f0f0f0;
  10. margin: 0px;
  11. overflow: hidden;
  12. }
  13. </style>
  14. </head>
  15. <body>
  16. <script type="text/javascript" src="../build/Three.js"></script>
  17. <script type="text/javascript" src="../src/extras/primitives/Cube.js"></script>
  18. <script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
  19. <script type="text/javascript" src="js/Stats.js"></script>
  20. <script type="text/javascript">
  21. var container, stats;
  22. var camera, scene, projector, renderer;
  23. init();
  24. animate();
  25. function init() {
  26. container = document.createElement( 'div' );
  27. document.body.appendChild( container );
  28. var info = document.createElement( 'div' );
  29. info.style.position = 'absolute';
  30. info.style.top = '10px';
  31. info.style.width = '100%';
  32. info.style.textAlign = 'center';
  33. info.innerHTML = '<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - clickable objects';
  34. container.appendChild( info );
  35. camera = new THREE.Camera( 70, window.innerWidth / window.innerHeight, 1, 10000 );
  36. camera.position.y = 300;
  37. camera.position.z = 500;
  38. scene = new THREE.Scene();
  39. var geometry = new Cube( 100, 100, 100 );
  40. for ( var i = 0; i < 10; i ++ ) {
  41. var object = new THREE.Mesh( geometry, [ new THREE.MeshBasicMaterial( { color: Math.random() * 0xffffff, opacity: 0.5 } ), new THREE.MeshBasicMaterial( { color: 0xffffff, opacity: 0.5, wireframe: true } ) ] );
  42. object.position.x = Math.random() * 800 - 400;
  43. object.position.y = Math.random() * 800 - 400;
  44. object.position.z = Math.random() * 800 - 400;
  45. object.scale.x = Math.random() * 2 + 1;
  46. object.scale.y = Math.random() * 2 + 1;
  47. object.scale.z = Math.random() * 2 + 1;
  48. object.rotation.x = ( Math.random() * 360 ) * Math.PI / 180;
  49. object.rotation.y = ( Math.random() * 360 ) * Math.PI / 180;
  50. object.rotation.z = ( Math.random() * 360 ) * Math.PI / 180;
  51. scene.addObject( object );
  52. }
  53. projector = new THREE.Projector();
  54. renderer = new THREE.CanvasRenderer();
  55. renderer.setSize( window.innerWidth, window.innerHeight );
  56. container.appendChild( renderer.domElement );
  57. stats = new Stats();
  58. stats.domElement.style.position = 'absolute';
  59. stats.domElement.style.top = '0px';
  60. container.appendChild( stats.domElement );
  61. document.addEventListener( 'mousedown', onDocumentMouseDown, false );
  62. }
  63. function onDocumentMouseDown( event ) {
  64. event.preventDefault();
  65. var vector = new THREE.Vector3( ( event.clientX / window.innerWidth ) * 2 - 1, - ( event.clientY / window.innerHeight ) * 2 + 1, 0.5 );
  66. projector.unprojectVector( vector, camera );
  67. var ray = new THREE.Ray( camera.position, vector.subSelf( camera.position ).normalize() );
  68. var intersects = ray.intersectScene( scene );
  69. if ( intersects.length > 0 ) {
  70. intersects[ 0 ].object.materials[ 0 ].color.setHex( Math.random() * 0xffffff );
  71. var particle = new THREE.Particle( new THREE.ParticleCircleMaterial( { color: 0x000000 } ) );
  72. particle.position = intersects[ 0 ].point;
  73. particle.scale.x = particle.scale.y = 8;
  74. scene.addObject( particle );
  75. }
  76. /*
  77. // Parse all the faces
  78. for ( var i in intersects ) {
  79. intersects[ i ].face.material[ 0 ].color.setHex( Math.random() * 0xffffff | 0x80000000 );
  80. }
  81. */
  82. }
  83. //
  84. function animate() {
  85. requestAnimationFrame( animate );
  86. render();
  87. stats.update();
  88. }
  89. var radius = 600;
  90. var theta = 0;
  91. function render() {
  92. theta += 0.2;
  93. camera.position.x = radius * Math.sin( theta * Math.PI / 360 );
  94. camera.position.y = radius * Math.sin( theta * Math.PI / 360 );
  95. camera.position.z = radius * Math.cos( theta * Math.PI / 360 );
  96. renderer.render( scene, camera );
  97. }
  98. </script>
  99. </body>
  100. </html>