math_defs.h 2.6 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061
  1. /*************************************************************************/
  2. /* math_defs.h */
  3. /*************************************************************************/
  4. /* This file is part of: */
  5. /* GODOT ENGINE */
  6. /* http://www.godotengine.org */
  7. /*************************************************************************/
  8. /* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
  9. /* */
  10. /* Permission is hereby granted, free of charge, to any person obtaining */
  11. /* a copy of this software and associated documentation files (the */
  12. /* "Software"), to deal in the Software without restriction, including */
  13. /* without limitation the rights to use, copy, modify, merge, publish, */
  14. /* distribute, sublicense, and/or sell copies of the Software, and to */
  15. /* permit persons to whom the Software is furnished to do so, subject to */
  16. /* the following conditions: */
  17. /* */
  18. /* The above copyright notice and this permission notice shall be */
  19. /* included in all copies or substantial portions of the Software. */
  20. /* */
  21. /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
  22. /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
  23. /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  24. /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
  25. /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
  26. /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
  27. /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
  28. /*************************************************************************/
  29. #ifndef MATH_DEFS_H
  30. #define MATH_DEFS_H
  31. #define CMP_EPSILON 0.00001
  32. #define CMP_EPSILON2 (CMP_EPSILON*CMP_EPSILON)
  33. #define CMP_NORMALIZE_TOLERANCE 0.000001
  34. #define CMP_POINT_IN_PLANE_EPSILON 0.00001
  35. #define USEC_TO_SEC(m_usec) ((m_usec)/1000000.0)
  36. /**
  37. * "Real" is a type that will be translated to either floats or fixed depending
  38. * on the compilation setting
  39. */
  40. enum ClockDirection {
  41. CLOCKWISE,
  42. COUNTERCLOCKWISE
  43. };
  44. #ifdef REAL_T_IS_DOUBLE
  45. typedef double real_t;
  46. #else
  47. typedef float real_t;
  48. #endif
  49. #endif // MATH_DEFS_H