NvRayCast.h 2.7 KB

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  1. #ifndef NV_RAYCAST_H
  2. #define NV_RAYCAST_H
  3. /*
  4. NvRayCast.h : A code snippet to cast a ray against a triangle mesh. This implementation does not use any acceleration data structures. That is a 'to do' item.
  5. */
  6. #include "NvSimpleTypes.h"
  7. /*!
  8. **
  9. ** Copyright (c) 2009 by John W. Ratcliff mailto:[email protected]
  10. **
  11. ** Portions of this source has been released with the PhysXViewer application, as well as
  12. ** Rocket, CreateDynamics, ODF, and as a number of sample code snippets.
  13. **
  14. ** If you find this code useful or you are feeling particularily generous I would
  15. ** ask that you please go to http://www.amillionpixels.us and make a donation
  16. ** to Troy DeMolay.
  17. **
  18. ** DeMolay is a youth group for young men between the ages of 12 and 21.
  19. ** It teaches strong moral principles, as well as leadership skills and
  20. ** public speaking. The donations page uses the 'pay for pixels' paradigm
  21. ** where, in this case, a pixel is only a single penny. Donations can be
  22. ** made for as small as $4 or as high as a $100 block. Each person who donates
  23. ** will get a link to their own site as well as acknowledgement on the
  24. ** donations blog located here http://www.amillionpixels.blogspot.com/
  25. **
  26. ** If you wish to contact me you can use the following methods:
  27. **
  28. ** Skype ID: jratcliff63367
  29. ** Yahoo: jratcliff63367
  30. ** AOL: jratcliff1961
  31. ** email: [email protected]
  32. **
  33. **
  34. ** The MIT license:
  35. **
  36. ** Permission is hereby granted, free of charge, to any person obtaining a copy
  37. ** of this software and associated documentation files (the "Software"), to deal
  38. ** in the Software without restriction, including without limitation the rights
  39. ** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  40. ** copies of the Software, and to permit persons to whom the Software is furnished
  41. ** to do so, subject to the following conditions:
  42. **
  43. ** The above copyright notice and this permission notice shall be included in all
  44. ** copies or substantial portions of the Software.
  45. ** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  46. ** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  47. ** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  48. ** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  49. ** WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  50. ** CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  51. */
  52. namespace CONVEX_DECOMPOSITION
  53. {
  54. class iRayCast
  55. {
  56. public:
  57. virtual bool castRay(const NxF32 *orig,const NxF32 *dir,NxF32 *hitPoint,NxF32 *hitNormal) = 0;
  58. protected:
  59. virtual ~iRayCast(void) { };
  60. };
  61. iRayCast *createRayCast(const NxF32 *vertices,NxU32 tcount,const NxU32 *indices);
  62. void releaseRayCast(iRayCast *rc);
  63. };
  64. #endif