mConstants.h 2.2 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758
  1. //-----------------------------------------------------------------------------
  2. // Copyright (c) 2012 GarageGames, LLC
  3. //
  4. // Permission is hereby granted, free of charge, to any person obtaining a copy
  5. // of this software and associated documentation files (the "Software"), to
  6. // deal in the Software without restriction, including without limitation the
  7. // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  8. // sell copies of the Software, and to permit persons to whom the Software is
  9. // furnished to do so, subject to the following conditions:
  10. //
  11. // The above copyright notice and this permission notice shall be included in
  12. // all copies or substantial portions of the Software.
  13. //
  14. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  17. // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18. // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19. // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  20. // IN THE SOFTWARE.
  21. //-----------------------------------------------------------------------------
  22. #ifndef _MCONSTANTS_H_
  23. #define _MCONSTANTS_H_
  24. #undef M_PI
  25. #undef M_SQRT2
  26. #define M_PI 3.14159265358979323846
  27. #define M_SQRT2 1.41421356237309504880
  28. #define M_2PI (3.1415926535897932384626433 * 2.0)
  29. #define M_SQRTHALF 0.7071067811865475244008443
  30. #define M_HALFPI 1.57079632679489661923
  31. #define M_PI_F 3.14159265358979323846f
  32. #define M_SQRT2_F 1.41421356237309504880f
  33. #define M_2PI_F (3.1415926535897932384626433f * 2.0f)
  34. #define M_SQRTHALF_F 0.7071067811865475244008443f
  35. #define M_HALFPI_F 1.57079632679489661923f
  36. #define M_CONST_E_F 2.7182818284590452353602874f
  37. #define POINT_EPSILON (0.0001f) ///< Epsilon for point types.
  38. /// Result of an overlap test.
  39. enum OverlapTestResult
  40. {
  41. GeometryInside = 1, ///< Completely inside test volume/space.
  42. GeometryIntersecting = 0, ///< Partly inside and partly outside test volume/space.
  43. GeometryOutside = -1 ///< No overlap with test volume/space.
  44. };
  45. #endif