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  1. ///////////////////////////////////////////////////////////////////////////////////
  2. /// OpenGL Mathematics (glm.g-truc.net)
  3. ///
  4. /// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
  5. /// Permission is hereby granted, free of charge, to any person obtaining a copy
  6. /// of this software and associated documentation files (the "Software"), to deal
  7. /// in the Software without restriction, including without limitation the rights
  8. /// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  9. /// copies of the Software, and to permit persons to whom the Software is
  10. /// furnished to do so, subject to the following conditions:
  11. ///
  12. /// The above copyright notice and this permission notice shall be included in
  13. /// all copies or substantial portions of the Software.
  14. ///
  15. /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16. /// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17. /// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18. /// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19. /// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20. /// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21. /// THE SOFTWARE.
  22. ///
  23. /// @ref gtx_intersect
  24. /// @file glm/gtx/intersect.hpp
  25. /// @date 2007-04-03 / 2011-06-07
  26. /// @author Christophe Riccio
  27. ///
  28. /// @see core (dependence)
  29. /// @see gtx_closest_point (dependence)
  30. ///
  31. /// @defgroup gtx_intersect GLM_GTX_intersect
  32. /// @ingroup gtx
  33. ///
  34. /// @brief Add intersection functions
  35. ///
  36. /// <glm/gtx/intersect.hpp> need to be included to use these functionalities.
  37. ///////////////////////////////////////////////////////////////////////////////////
  38. #ifndef GLM_GTX_intersect
  39. #define GLM_GTX_intersect GLM_VERSION
  40. // Dependency:
  41. #include "../glm.hpp"
  42. #include "../gtx/closest_point.hpp"
  43. #if(defined(GLM_MESSAGES) && !defined(glm_ext))
  44. # pragma message("GLM: GLM_GTX_closest_point extension included")
  45. #endif
  46. namespace glm
  47. {
  48. /// @addtogroup gtx_intersect
  49. /// @{
  50. //! Compute the intersection of a ray and a triangle.
  51. //! From GLM_GTX_intersect extension.
  52. template <typename genType>
  53. bool intersectRayTriangle(
  54. genType const & orig, genType const & dir,
  55. genType const & vert0, genType const & vert1, genType const & vert2,
  56. genType & baryPosition);
  57. //! Compute the intersection of a line and a triangle.
  58. //! From GLM_GTX_intersect extension.
  59. template <typename genType>
  60. bool intersectLineTriangle(
  61. genType const & orig, genType const & dir,
  62. genType const & vert0, genType const & vert1, genType const & vert2,
  63. genType & position);
  64. //! Compute the intersection distance of a ray and a sphere.
  65. //! The ray direction vector is unit length.
  66. //! From GLM_GTX_intersect extension.
  67. template <typename genType>
  68. bool intersectRaySphere(
  69. genType const & rayStarting, genType const & rayNormalizedDirection,
  70. genType const & sphereCenter, const typename genType::value_type sphereRadiusSquered,
  71. typename genType::value_type & intersectionDistance);
  72. //! Compute the intersection of a ray and a sphere.
  73. //! From GLM_GTX_intersect extension.
  74. template <typename genType>
  75. bool intersectRaySphere(
  76. genType const & rayStarting, genType const & rayNormalizedDirection,
  77. genType const & sphereCenter, const typename genType::value_type sphereRadius,
  78. genType & intersectionPosition, genType & intersectionNormal);
  79. //! Compute the intersection of a line and a sphere.
  80. //! From GLM_GTX_intersect extension
  81. template <typename genType>
  82. bool intersectLineSphere(
  83. genType const & point0, genType const & point1,
  84. genType const & sphereCenter, typename genType::value_type sphereRadius,
  85. genType & intersectionPosition1, genType & intersectionNormal1,
  86. genType & intersectionPosition2 = genType(), genType & intersectionNormal2 = genType());
  87. /// @}
  88. }//namespace glm
  89. #include "intersect.inl"
  90. #endif//GLM_GTX_intersect