canvas_lights_pointlights_smooth.html 4.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160
  1. <!doctype html>
  2. <html lang="en">
  3. <head>
  4. <title>three.js canvas - point light smooth</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. background-color: #000000;
  10. margin: 0px;
  11. overflow: hidden;
  12. }
  13. #info {
  14. position: absolute;
  15. top: 0px; width: 100%;
  16. color: #ffffff;
  17. padding: 5px;
  18. font-family: Monospace;
  19. font-size: 13px;
  20. text-align: center;
  21. }
  22. a {
  23. color: #ff0080;
  24. text-decoration: none;
  25. }
  26. a:hover {
  27. color: #0080ff;
  28. }
  29. </style>
  30. </head>
  31. <body>
  32. <div id="container"></div>
  33. <div id="info">
  34. <a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - point lights demo.<br />
  35. Walt Disney head by <a href="http://davidoreilly.com/post/18087489343/disneyhead" target="_blank">David OReilly</a>
  36. </div>
  37. <script src="../build/Three.js"></script>
  38. <script>
  39. var camera, scene, renderer,
  40. particle1, particle2, particle2,
  41. light1, light2, light3,
  42. loader, mesh;
  43. init();
  44. animate();
  45. function init() {
  46. var container = document.getElementById( 'container' );
  47. camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 1000 );
  48. camera.position.set( 0, - 6, 100 );
  49. scene = new THREE.Scene();
  50. scene.add( camera );
  51. scene.add( new THREE.AmbientLight( 0x00020 ) );
  52. light1 = new THREE.PointLight( 0xff0040, 1, 50 );
  53. scene.add( light1 );
  54. light2 = new THREE.PointLight( 0x0040ff, 1, 50 );
  55. scene.add( light2 );
  56. light3 = new THREE.PointLight( 0x80ff80, 1, 50 );
  57. scene.add( light3 );
  58. var PI2 = Math.PI * 2;
  59. var program = function ( context ) {
  60. context.beginPath();
  61. context.arc( 0, 0, 1, 0, PI2, true );
  62. context.closePath();
  63. context.fill();
  64. }
  65. particle1 = new THREE.Particle( new THREE.ParticleCanvasMaterial( { color: 0xff0040, program: program } ) );
  66. particle1.scale.x = particle1.scale.y = particle1.scale.z = 0.5;
  67. scene.add( particle1 );
  68. particle2 = new THREE.Particle( new THREE.ParticleCanvasMaterial( { color: 0x0040ff, program: program } ) );
  69. particle2.scale.x = particle2.scale.y = particle2.scale.z = 0.5;
  70. scene.add( particle2 );
  71. particle3 = new THREE.Particle( new THREE.ParticleCanvasMaterial( { color: 0x80ff80, program: program } ) );
  72. particle3.scale.x = particle3.scale.y = particle3.scale.z = 0.5;
  73. scene.add( particle3 );
  74. loader = new THREE.JSONLoader();
  75. loader.load( 'obj/WaltHeadLo.js', function ( geometry ) {
  76. geometry.computeVertexNormals();
  77. mesh = new THREE.Mesh( geometry, new THREE.MeshLambertMaterial( { color: 0xffffff, overdraw: true } ) );
  78. scene.add( mesh );
  79. } );
  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 = Date.now() * 0.0005;
  91. if ( mesh ) 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>