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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. * @file llperlin.h
  3. *
  4. * $LicenseInfo:firstyear=2001&license=viewerlgpl$
  5. * Second Life Viewer Source Code
  6. * Copyright (C) 2010, Linden Research, Inc.
  7. *
  8. * This library is free software; you can redistribute it and/or
  9. * modify it under the terms of the GNU Lesser General Public
  10. * License as published by the Free Software Foundation;
  11. * version 2.1 of the License only.
  12. *
  13. * This library is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16. * Lesser General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU Lesser General Public
  19. * License along with this library; if not, write to the Free Software
  20. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  21. *
  22. * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
  23. * $/LicenseInfo$
  24. */
  25. #ifndef LL_PERLIN_H
  26. #define LL_PERLIN_H
  27. #include "stdtypes.h"
  28. // namespace wrapper
  29. class LLPerlinNoise
  30. {
  31. public:
  32. static F32 noise1(F32 x);
  33. static F32 noise2(F32 x, F32 y);
  34. static F32 noise3(F32 x, F32 y, F32 z);
  35. static F32 turbulence2(F32 x, F32 y, F32 freq);
  36. static F32 turbulence3(F32 x, F32 y, F32 z, F32 freq);
  37. static F32 clouds3(F32 x, F32 y, F32 z, F32 freq);
  38. private:
  39. static bool sInitialized;
  40. static void init(void);
  41. };
  42. #endif // LL_PERLIN_