canvas_lights_pointlights_smooth.html 4.1 KB

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  1. <!DOCTYPE HTML>
  2. <html lang="en">
  3. <head>
  4. <title>three.js canvas - point light smooth</title>
  5. <meta charset="utf-8">
  6. <style type="text/css">
  7. body {
  8. background-color: #000000;
  9. margin: 0px;
  10. overflow: hidden;
  11. }
  12. #info {
  13. position: absolute;
  14. top: 0px; width: 100%;
  15. color: #ffffff;
  16. padding: 5px;
  17. font-family: Monospace;
  18. font-size: 13px;
  19. text-align: center;
  20. }
  21. a {
  22. color: #ff0080;
  23. text-decoration: none;
  24. }
  25. a:hover {
  26. color: #0080ff;
  27. }
  28. </style>
  29. </head>
  30. <body>
  31. <div id="container"></div>
  32. <div id="info">
  33. <a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - point lights demo.<br />
  34. Walt Disney head by <a href="http://www.davidoreilly.com/2009/01/walt-disneys-head-on-a-plate" target="_blank">David OReilly</a>
  35. </div>
  36. <script type="text/javascript" src="../build/Three.js"></script>
  37. <script type="text/javascript" src="obj/WaltHead.js"></script>
  38. <script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
  39. <script type="text/javascript">
  40. var camera, scene, renderer,
  41. particle1, particle2, particle2,
  42. light1, light2, light3,
  43. geometry, mesh;
  44. init();
  45. animate();
  46. function init() {
  47. var container = document.getElementById( 'container' );
  48. camera = new THREE.Camera( 65, window.innerWidth / window.innerHeight, 1, 1000 );
  49. camera.position.z = 100;
  50. scene = new THREE.Scene();
  51. scene.addLight( new THREE.AmbientLight( 0x00020 ) );
  52. light1 = new THREE.PointLight( 0xff0040 );
  53. scene.addLight( light1 );
  54. light2 = new THREE.PointLight( 0x0040ff );
  55. scene.addLight( light2 );
  56. light3 = new THREE.PointLight( 0x80ff80 );
  57. scene.addLight( light3 );
  58. var PI2 = Math.PI * 2;
  59. var program = function ( context, color ) {
  60. context.fillStyle = color.__styleString;
  61. context.beginPath();
  62. context.arc( 0, 0, 1, 0, PI2, true );
  63. context.closePath();
  64. context.fill();
  65. }
  66. particle1 = new THREE.Particle( new THREE.ParticleCanvasMaterial( { color: 0xff0040, program: program } ) );
  67. particle1.scale.x = particle1.scale.y = particle1.scale.z = 0.5;
  68. scene.addObject( particle1 );
  69. particle2 = new THREE.Particle( new THREE.ParticleCanvasMaterial( { color: 0x0040ff, program: program } ) );
  70. particle2.scale.x = particle2.scale.y = particle2.scale.z = 0.5;
  71. scene.addObject( particle2 );
  72. particle3 = new THREE.Particle( new THREE.ParticleCanvasMaterial( { color: 0x80ff80, program: program } ) );
  73. particle3.scale.x = particle3.scale.y = particle3.scale.z = 0.5;
  74. scene.addObject( particle3 );
  75. geometry = new WaltHead();
  76. geometry.computeVertexNormals();
  77. mesh = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: 0xffffff, shading: THREE.SmoothShading } ) );
  78. mesh.overdraw = true;
  79. scene.addObject( mesh );
  80. renderer = new THREE.CanvasRenderer();
  81. renderer.setSize( window.innerWidth, window.innerHeight );
  82. container.appendChild( renderer.domElement );
  83. }
  84. //
  85. function animate() {
  86. requestAnimationFrame( animate );
  87. render();
  88. }
  89. function render() {
  90. var time = new Date().getTime() * 0.0005;
  91. mesh.rotation.y -= 0.01;
  92. particle1.position.x = Math.sin( time * 0.7 ) * 30;
  93. particle1.position.y = Math.cos( time * 0.5 ) * 40;
  94. particle1.position.z = Math.cos( time * 0.3 ) * 30;
  95. light1.position.x = particle1.position.x;
  96. light1.position.y = particle1.position.y;
  97. light1.position.z = particle1.position.z;
  98. particle2.position.x = Math.cos( time * 0.3 ) * 30;
  99. particle2.position.y = Math.sin( time * 0.5 ) * 40;
  100. particle2.position.z = Math.sin( time * 0.7 ) * 30;
  101. light2.position.x = particle2.position.x;
  102. light2.position.y = particle2.position.y;
  103. light2.position.z = particle2.position.z;
  104. particle3.position.x = Math.sin( time * 0.7 ) * 30;
  105. particle3.position.y = Math.cos( time * 0.3 ) * 40;
  106. particle3.position.z = Math.sin( time * 0.5 ) * 30;
  107. light3.position.x = particle3.position.x;
  108. light3.position.y = particle3.position.y;
  109. light3.position.z = particle3.position.z;
  110. renderer.render( scene, camera );
  111. }
  112. </script>
  113. </body>
  114. </html>