/bin-release/srcview/source/away3d/core/utils/DofCache.as.html

https://github.com/davidcoleman007/AS3MazeSolver · HTML · 106 lines · 95 code · 10 blank · 1 comment · 0 complexity · f9f2760a84102b14e050ae3a46632ef4 MD5 · raw file 

    

  1. <!-- saved from url=(0014)about:internet -->
    2. 

  2. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    3. 

  3. <html xmlns="http://www.w3.org/1999/xhtml">
    4. 

  4. <head>
    5. 

  5. <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    6. 

  6. <title>DofCache.as</title>
    7. 

  7. <link rel="stylesheet" type="text/css" href="../../../../SourceStyles.css"/>
    8. 

  8. </head>
    9. 

  9. 

  10. <body><pre><span class="ActionScriptpackage">package</span> <span class="ActionScriptDefault_Text">away3d</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">core</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">utils</span>
    11. 

  11. <span class="ActionScriptBracket/Brace">{</span>
    12. 

  12.     <span class="ActionScriptReserved">import</span> <span class="ActionScriptDefault_Text">away3d</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">materials</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">BitmapMaterial</span>;
    13. 

  13.     <span class="ActionScriptReserved">import</span> <span class="ActionScriptDefault_Text">flash</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">display</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">BitmapData</span>;
    14. 

  14.     <span class="ActionScriptReserved">import</span> <span class="ActionScriptDefault_Text">flash</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">geom</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">Matrix</span>;
    15. 

  15.     <span class="ActionScriptReserved">import</span> <span class="ActionScriptDefault_Text">flash</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">geom</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">Point</span>;
    16. 

  16.     <span class="ActionScriptReserved">import</span> <span class="ActionScriptDefault_Text">flash</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">filters</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">BlurFilter</span>;
    17. 

  17.     <span class="ActionScriptReserved">import</span> <span class="ActionScriptDefault_Text">flash</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">utils</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">Dictionary</span>;
    18. 

  18.     
    19. 

  19.     <span class="ActionScriptASDoc">/**
    20. 

  20.      * Provides static pre-blurred bitmap images for depth of field-effect
    21. 

  21.      * when used together with billboarded sprites, such as Billboards.
    22. 

  22.      */</span>
    23. 

  23.     <span class="ActionScriptReserved">public</span> <span class="ActionScriptclass">class</span> <span class="ActionScriptDefault_Text">DofCache</span>
    24. 

  24.     <span class="ActionScriptBracket/Brace">{</span>
    25. 

  25.         <span class="ActionScriptReserved">private</span> <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">bitmaps</span>:<span class="ActionScriptDefault_Text">Array</span>;
    26. 

  26.         <span class="ActionScriptReserved">private</span> <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">levels</span>:<span class="ActionScriptDefault_Text">Number</span>;
    27. 

  27.         <span class="ActionScriptReserved">private</span> <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">maxBitmap</span>:<span class="ActionScriptDefault_Text">BitmapMaterial</span>;
    28. 

  28.         <span class="ActionScriptReserved">private</span> <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">minBitmap</span>:<span class="ActionScriptDefault_Text">BitmapMaterial</span>;
    29. 

  29. 

  30.         <span class="ActionScriptReserved">static</span> <span class="ActionScriptReserved">public</span> <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">focus</span>:<span class="ActionScriptDefault_Text">Number</span>;
    31. 

  31. 

  32.         <span class="ActionScriptReserved">static</span> <span class="ActionScriptReserved">public</span> <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">aperture</span>:<span class="ActionScriptDefault_Text">Number</span> <span class="ActionScriptOperator">=</span> 22;
    33. 

  33.         <span class="ActionScriptReserved">static</span> <span class="ActionScriptReserved">public</span> <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">maxblur</span>:<span class="ActionScriptDefault_Text">Number</span> <span class="ActionScriptOperator">=</span> 150;
    34. 

  34.         <span class="ActionScriptReserved">static</span> <span class="ActionScriptReserved">public</span> <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">doflevels</span>:<span class="ActionScriptDefault_Text">Number</span> <span class="ActionScriptOperator">=</span> 16;
    35. 

  35.         <span class="ActionScriptReserved">static</span> <span class="ActionScriptReserved">public</span> <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">usedof</span>:<span class="ActionScriptDefault_Text">Boolean</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">false</span>;
    36. 

  36.         <span class="ActionScriptReserved">static</span> <span class="ActionScriptReserved">private</span> <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">caches</span>:<span class="ActionScriptDefault_Text">Dictionary</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">new</span> <span class="ActionScriptDefault_Text">Dictionary</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptBracket/Brace">)</span>;
    37. 

  37.         
    38. 

  38.         <span class="ActionScriptReserved">static</span> <span class="ActionScriptReserved">public</span> <span class="ActionScriptfunction">function</span> <span class="ActionScriptDefault_Text">resetDof</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">enabled</span>:<span class="ActionScriptDefault_Text">Boolean</span><span class="ActionScriptBracket/Brace">)</span>:<span class="ActionScriptReserved">void</span>
    39. 

  39.         <span class="ActionScriptBracket/Brace">{</span>
    40. 

  40.             <span class="ActionScriptDefault_Text">usedof</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptDefault_Text">enabled</span>;
    41. 

  41.             <span class="ActionScriptReserved">for each</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">cache</span>:<span class="ActionScriptDefault_Text">DofCache</span> <span class="ActionScriptReserved">in</span> <span class="ActionScriptDefault_Text">caches</span><span class="ActionScriptBracket/Brace">)</span>
    42. 

  42.             <span class="ActionScriptBracket/Brace">{</span>                
    43. 

  43.                 <span class="ActionScriptReserved">if</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptOperator">!</span><span class="ActionScriptDefault_Text">enabled</span><span class="ActionScriptBracket/Brace">)</span>
    44. 

  44.                 <span class="ActionScriptBracket/Brace">{</span>
    45. 

  45.                     <span class="ActionScriptDefault_Text">cache</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">new</span> <span class="ActionScriptDefault_Text">DofCache</span><span class="ActionScriptBracket/Brace">(</span>1<span class="ActionScriptOperator">,</span><span class="ActionScriptDefault_Text">cache</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">bitmaps</span><span class="ActionScriptBracket/Brace">[</span>0<span class="ActionScriptBracket/Brace">]</span><span class="ActionScriptBracket/Brace">)</span>;                                            
    46. 

  46.                 <span class="ActionScriptBracket/Brace">}</span>
    47. 

  47.                 <span class="ActionScriptReserved">else</span>
    48. 

  48.                 <span class="ActionScriptBracket/Brace">{</span>
    49. 

  49.                     <span class="ActionScriptDefault_Text">cache</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">new</span> <span class="ActionScriptDefault_Text">DofCache</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">doflevels</span><span class="ActionScriptOperator">,</span><span class="ActionScriptDefault_Text">cache</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">bitmaps</span><span class="ActionScriptBracket/Brace">[</span>0<span class="ActionScriptBracket/Brace">]</span><span class="ActionScriptBracket/Brace">)</span>;                        
    50. 

  50.                 <span class="ActionScriptBracket/Brace">}</span>
    51. 

  51.             <span class="ActionScriptBracket/Brace">}</span>
    52. 

  52.         <span class="ActionScriptBracket/Brace">}</span>
    53. 

  53.         
    54. 

  54.         <span class="ActionScriptReserved">static</span> <span class="ActionScriptReserved">public</span> <span class="ActionScriptfunction">function</span> <span class="ActionScriptDefault_Text">getDofCache</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">material</span>:<span class="ActionScriptDefault_Text">BitmapMaterial</span><span class="ActionScriptBracket/Brace">)</span>:<span class="ActionScriptDefault_Text">DofCache</span>
    55. 

  55.         <span class="ActionScriptBracket/Brace">{</span>
    56. 

  56.             <span class="ActionScriptReserved">if</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">caches</span><span class="ActionScriptBracket/Brace">[</span><span class="ActionScriptDefault_Text">material</span><span class="ActionScriptBracket/Brace">]</span> <span class="ActionScriptOperator">==</span> <span class="ActionScriptReserved">null</span><span class="ActionScriptBracket/Brace">)</span>
    57. 

  57.             <span class="ActionScriptBracket/Brace">{</span>
    58. 

  58.                 <span class="ActionScriptReserved">if</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptOperator">!</span><span class="ActionScriptDefault_Text">usedof</span><span class="ActionScriptBracket/Brace">)</span>
    59. 

  59.                 <span class="ActionScriptBracket/Brace">{</span>
    60. 

  60.                     <span class="ActionScriptDefault_Text">caches</span><span class="ActionScriptBracket/Brace">[</span><span class="ActionScriptDefault_Text">material</span><span class="ActionScriptBracket/Brace">]</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">new</span> <span class="ActionScriptDefault_Text">DofCache</span><span class="ActionScriptBracket/Brace">(</span>1<span class="ActionScriptOperator">,</span> <span class="ActionScriptDefault_Text">material</span><span class="ActionScriptBracket/Brace">)</span>;
    61. 

  61.                 <span class="ActionScriptBracket/Brace">}</span>
    62. 

  62.                 <span class="ActionScriptReserved">else</span>
    63. 

  63.                 <span class="ActionScriptBracket/Brace">{</span>
    64. 

  64.                     <span class="ActionScriptDefault_Text">caches</span><span class="ActionScriptBracket/Brace">[</span><span class="ActionScriptDefault_Text">material</span><span class="ActionScriptBracket/Brace">]</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">new</span> <span class="ActionScriptDefault_Text">DofCache</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">doflevels</span><span class="ActionScriptOperator">,</span> <span class="ActionScriptDefault_Text">material</span><span class="ActionScriptBracket/Brace">)</span>;                    
    65. 

  65.                 <span class="ActionScriptBracket/Brace">}</span>
    66. 

  66.             <span class="ActionScriptBracket/Brace">}</span>    
    67. 

  67.             
    68. 

  68.             <span class="ActionScriptReserved">return</span> <span class="ActionScriptDefault_Text">caches</span><span class="ActionScriptBracket/Brace">[</span><span class="ActionScriptDefault_Text">material</span><span class="ActionScriptBracket/Brace">]</span>;
    69. 

  69.         <span class="ActionScriptBracket/Brace">}</span>
    70. 

  70.         
    71. 

  71.         <span class="ActionScriptReserved">public</span> <span class="ActionScriptfunction">function</span> <span class="ActionScriptDefault_Text">DofCache</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">levels</span>:<span class="ActionScriptDefault_Text">Number</span><span class="ActionScriptOperator">,</span> <span class="ActionScriptDefault_Text">material</span>:<span class="ActionScriptDefault_Text">BitmapMaterial</span><span class="ActionScriptBracket/Brace">)</span>
    72. 

  72.         <span class="ActionScriptBracket/Brace">{</span>            
    73. 

  73.             <span class="ActionScriptReserved">this</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">levels</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptDefault_Text">levels</span>;
    74. 

  74.             
    75. 

  75.             <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">mat</span>:<span class="ActionScriptDefault_Text">Matrix</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">new</span> <span class="ActionScriptDefault_Text">Matrix</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptBracket/Brace">)</span>;
    76. 

  76.             <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">pnt</span>:<span class="ActionScriptDefault_Text">Point</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">new</span> <span class="ActionScriptDefault_Text">Point</span><span class="ActionScriptBracket/Brace">(</span>0<span class="ActionScriptOperator">,</span>0<span class="ActionScriptBracket/Brace">)</span>;
    77. 

  77.             <span class="ActionScriptDefault_Text">bitmaps</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">new</span> <span class="ActionScriptDefault_Text">Array</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">levels</span><span class="ActionScriptBracket/Brace">)</span>;
    78. 

  78.             <span class="ActionScriptReserved">for</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">j</span>:<span class="ActionScriptDefault_Text">Number</span> <span class="ActionScriptOperator">=</span> 0;<span class="ActionScriptDefault_Text">j</span><span class="ActionScriptOperator">&lt;</span><span class="ActionScriptDefault_Text">levels</span>;<span class="ActionScriptOperator">++</span><span class="ActionScriptDefault_Text">j</span><span class="ActionScriptBracket/Brace">)</span>
    79. 

  79.             <span class="ActionScriptBracket/Brace">{</span>
    80. 

  80.                 <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">tfilter</span>:<span class="ActionScriptDefault_Text">BlurFilter</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">new</span> <span class="ActionScriptDefault_Text">BlurFilter</span><span class="ActionScriptBracket/Brace">(</span>2<span class="ActionScriptOperator">+</span><span class="ActionScriptDefault_Text">maxblur</span><span class="ActionScriptOperator">*</span><span class="ActionScriptDefault_Text">j</span><span class="ActionScriptOperator">/</span><span class="ActionScriptDefault_Text">levels</span><span class="ActionScriptOperator">,</span> 2<span class="ActionScriptOperator">+</span><span class="ActionScriptDefault_Text">maxblur</span><span class="ActionScriptOperator">*</span><span class="ActionScriptDefault_Text">j</span><span class="ActionScriptOperator">/</span><span class="ActionScriptDefault_Text">levels</span><span class="ActionScriptOperator">,</span> 4<span class="ActionScriptBracket/Brace">)</span>;
    81. 

  81.                 <span class="ActionScriptDefault_Text">mat</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">identity</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptBracket/Brace">)</span>;
    82. 

  82.                 <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">t</span>:<span class="ActionScriptDefault_Text">int</span> <span class="ActionScriptOperator">=</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">material</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">width</span><span class="ActionScriptOperator">*</span><span class="ActionScriptBracket/Brace">(</span>1<span class="ActionScriptOperator">+</span><span class="ActionScriptDefault_Text">j</span><span class="ActionScriptOperator">/</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">levels</span><span class="ActionScriptOperator">/</span>2<span class="ActionScriptBracket/Brace">)</span><span class="ActionScriptBracket/Brace">)</span><span class="ActionScriptBracket/Brace">)</span>;
    83. 

  83.                 <span class="ActionScriptDefault_Text">mat</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">translate</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptOperator">-</span><span class="ActionScriptDefault_Text">material</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">width</span><span class="ActionScriptOperator">/</span>2<span class="ActionScriptOperator">,</span> <span class="ActionScriptOperator">-</span><span class="ActionScriptDefault_Text">material</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">height</span><span class="ActionScriptOperator">/</span>2<span class="ActionScriptBracket/Brace">)</span>;
    84. 

  84.                 <span class="ActionScriptDefault_Text">mat</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">translate</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">t</span><span class="ActionScriptOperator">/</span>2<span class="ActionScriptOperator">,</span><span class="ActionScriptDefault_Text">t</span><span class="ActionScriptOperator">/</span>2<span class="ActionScriptBracket/Brace">)</span>;
    85. 

  85.                 <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">tbmp</span>:<span class="ActionScriptDefault_Text">BitmapData</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">new</span> <span class="ActionScriptDefault_Text">BitmapData</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">t</span><span class="ActionScriptOperator">,</span><span class="ActionScriptDefault_Text">t</span><span class="ActionScriptOperator">,</span><span class="ActionScriptReserved">true</span><span class="ActionScriptOperator">,</span>0<span class="ActionScriptBracket/Brace">)</span>;
    86. 

  86.                 <span class="ActionScriptDefault_Text">tbmp</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">draw</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">material</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">bitmap</span><span class="ActionScriptOperator">,</span> <span class="ActionScriptDefault_Text">mat</span><span class="ActionScriptBracket/Brace">)</span>;
    87. 

  87.                 <span class="ActionScriptDefault_Text">tbmp</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">applyFilter</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">tbmp</span><span class="ActionScriptOperator">,</span> <span class="ActionScriptDefault_Text">tbmp</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">rect</span><span class="ActionScriptOperator">,</span><span class="ActionScriptDefault_Text">pnt</span><span class="ActionScriptOperator">,</span><span class="ActionScriptDefault_Text">tfilter</span><span class="ActionScriptBracket/Brace">)</span>;
    88. 

  88.                 <span class="ActionScriptDefault_Text">bitmaps</span><span class="ActionScriptBracket/Brace">[</span><span class="ActionScriptDefault_Text">j</span><span class="ActionScriptBracket/Brace">]</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptReserved">new</span> <span class="ActionScriptDefault_Text">BitmapMaterial</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">tbmp</span><span class="ActionScriptBracket/Brace">)</span>;
    89. 

  89.             <span class="ActionScriptBracket/Brace">}</span>                    
    90. 

  90.             <span class="ActionScriptDefault_Text">minBitmap</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptDefault_Text">bitmaps</span><span class="ActionScriptBracket/Brace">[</span>0<span class="ActionScriptBracket/Brace">]</span>;
    91. 

  91.             <span class="ActionScriptDefault_Text">maxBitmap</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptDefault_Text">bitmaps</span><span class="ActionScriptBracket/Brace">[</span><span class="ActionScriptDefault_Text">bitmaps</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">length</span><span class="ActionScriptOperator">-</span>1<span class="ActionScriptBracket/Brace">]</span>;
    92. 

  92.         <span class="ActionScriptBracket/Brace">}</span>
    93. 

  93.         
    94. 

  94.         <span class="ActionScriptReserved">public</span> <span class="ActionScriptfunction">function</span> <span class="ActionScriptDefault_Text">getBitmapMaterial</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">depth</span>:<span class="ActionScriptDefault_Text">Number</span><span class="ActionScriptBracket/Brace">)</span>:<span class="ActionScriptDefault_Text">BitmapMaterial</span>
    95. 

  95.         <span class="ActionScriptBracket/Brace">{</span>
    96. 

  96.             <span class="ActionScriptvar">var</span> <span class="ActionScriptDefault_Text">t</span>:<span class="ActionScriptDefault_Text">Number</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptDefault_Text">focus</span><span class="ActionScriptOperator">-</span><span class="ActionScriptDefault_Text">depth</span>;
    97. 

  97.             <span class="ActionScriptReserved">if</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">focus</span><span class="ActionScriptOperator">-</span><span class="ActionScriptDefault_Text">depth</span><span class="ActionScriptOperator">&lt;</span>0<span class="ActionScriptBracket/Brace">)</span> <span class="ActionScriptDefault_Text">t</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptOperator">-</span><span class="ActionScriptDefault_Text">t</span>;
    98. 

  98.             <span class="ActionScriptDefault_Text">t</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptDefault_Text">t</span> <span class="ActionScriptOperator">/</span> <span class="ActionScriptDefault_Text">aperture</span>;
    99. 

  99.             <span class="ActionScriptDefault_Text">t</span> <span class="ActionScriptOperator">=</span> <span class="ActionScriptDefault_Text">Math</span><span class="ActionScriptOperator">.</span><span class="ActionScriptDefault_Text">floor</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">t</span><span class="ActionScriptBracket/Brace">)</span>;
    100. 

  100.             <span class="ActionScriptReserved">if</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">t</span> <span class="ActionScriptOperator">&gt;</span> <span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">levels</span><span class="ActionScriptOperator">-</span>1<span class="ActionScriptBracket/Brace">)</span><span class="ActionScriptBracket/Brace">)</span> <span class="ActionScriptReserved">return</span> <span class="ActionScriptDefault_Text">maxBitmap</span>;
    101. 

  101.             <span class="ActionScriptReserved">if</span><span class="ActionScriptBracket/Brace">(</span><span class="ActionScriptDefault_Text">t</span> <span class="ActionScriptOperator">&lt;</span> 0<span class="ActionScriptBracket/Brace">)</span> <span class="ActionScriptReserved">return</span> <span class="ActionScriptDefault_Text">minBitmap</span>;
    102. 

  102.             <span class="ActionScriptReserved">return</span> <span class="ActionScriptDefault_Text">bitmaps</span><span class="ActionScriptBracket/Brace">[</span><span class="ActionScriptDefault_Text">t</span><span class="ActionScriptBracket/Brace">]</span>;
    103. 

  103.         <span class="ActionScriptBracket/Brace">}</span>
    104. 

  104.     <span class="ActionScriptBracket/Brace">}</span>
    105. 

  105. <span class="ActionScriptBracket/Brace">}</span></pre></body>
    106. 

  106. </html>
    107.