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webgl_test_memory.html 1.9 KB

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  1. <!DOCTYPE HTML>
  2. <html lang="en">
  3. <head>
  4. <title>three.js - webgl</title>
  5. <meta charset="utf-8">
  6. <style type="text/css">
  7. body {
  8. background:#fff;
  9. padding:0;
  10. margin:0;
  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">
  18. var container;
  19. var camera, scene, renderer;
  20. init();
  21. setInterval( render, 1000 / 60 );
  22. function init() {
  23. container = document.createElement( 'div' );
  24. document.body.appendChild( container );
  25. camera = new THREE.Camera( 60, window.innerWidth / window.innerHeight, 1, 10000 );
  26. camera.position.z = 200;
  27. scene = new THREE.Scene();
  28. renderer = new THREE.WebGLRenderer();
  29. renderer.setSize( window.innerWidth, window.innerHeight );
  30. container.appendChild( renderer.domElement );
  31. }
  32. function createImage() {
  33. var canvas = document.createElement( 'canvas' );
  34. canvas.width = 256;
  35. canvas.height = 256;
  36. var context = canvas.getContext( '2d' );
  37. context.fillStyle = 'rgb(' + Math.floor( Math.random() * 256 ) + ',' + Math.floor( Math.random() * 256 ) + ',' + Math.floor( Math.random() * 256 ) + ')';
  38. context.fillRect( 0, 0, 256, 256 );
  39. return canvas;
  40. }
  41. //
  42. function animate() {
  43. requestAnimationFrame( animate );
  44. render();
  45. }
  46. function render() {
  47. var geometry = new THREE.SphereGeometry( 50, Math.random() * 64, Math.random() * 32 );
  48. var texture = new THREE.Texture( createImage() );
  49. texture.needsUpdate = true;
  50. var material = new THREE.MeshBasicMaterial( { map: texture, wireframe: true } )
  51. var mesh = new THREE.Mesh( geometry, material );
  52. scene.addObject( mesh );
  53. renderer.render( scene, camera );
  54. scene.removeObject( mesh );
  55. renderer.deallocateObject( mesh );
  56. renderer.deallocateTexture( texture );
  57. }
  58. </script>
  59. </body>
  60. </html>