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/indra/llmath/llperlin.h

https://bitbucket.org/lindenlab/viewer-beta/
C++ Header | 46 lines | 17 code | 4 blank | 25 comment | 0 complexity | bfe27a987aaf71dfd5a5f11d36b6c07c MD5 | raw file
Possible License(s): LGPL-2.1 
    

  1. /** 
    2. 

  2.  * @file llperlin.h
    3. 

  3.  *
    4. 

  4.  * $LicenseInfo:firstyear=2001&license=viewerlgpl$
    5. 

  5.  * Second Life Viewer Source Code
    6. 

  6.  * Copyright (C) 2010, Linden Research, Inc.
    7. 

  7.  * 
    8. 

  8.  * This library is free software; you can redistribute it and/or
    9. 

  9.  * modify it under the terms of the GNU Lesser General Public
    10. 

  10.  * License as published by the Free Software Foundation;
    11. 

  11.  * version 2.1 of the License only.
    12. 

  12.  * 
    13. 

  13.  * This library is distributed in the hope that it will be useful,
    14. 

  14.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    15. 

  15.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    16. 

  16.  * Lesser General Public License for more details.
    17. 

  17.  * 
    18. 

  18.  * You should have received a copy of the GNU Lesser General Public
    19. 

  19.  * License along with this library; if not, write to the Free Software
    20. 

  20.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
    21. 

  21.  * 
    22. 

  22.  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
    23. 

  23.  * $/LicenseInfo$
    24. 

  24.  */
    25. 

  25. 

  26. #ifndef LL_PERLIN_H
    27. 

  27. #define LL_PERLIN_H
    28. 

  28. 

  29. #include "stdtypes.h"
    30. 

  30. 

  31. // namespace wrapper
    32. 

  32. class LLPerlinNoise
    33. 

  33. {
    34. 

  34. public:
    35. 

  35. 	static F32 noise1(F32 x);
    36. 

  36. 	static F32 noise2(F32 x, F32 y);
    37. 

  37. 	static F32 noise3(F32 x, F32 y, F32 z);
    38. 

  38. 	static F32 turbulence2(F32 x, F32 y, F32 freq);
    39. 

  39. 	static F32 turbulence3(F32 x, F32 y, F32 z, F32 freq);
    40. 

  40. 	static F32 clouds3(F32 x, F32 y, F32 z, F32 freq);
    41. 

  41. private:
    42. 

  42. 	static bool sInitialized;
    43. 

  43. 	static void init(void);
    44. 

  44. };
    45. 

  45. 

  46. #endif // LL_PERLIN_
    47. 

  47.