gtc_matrix_transform.cpp 1.5 KB

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  1. ///////////////////////////////////////////////////////////////////////////////////////////////////
  2. // OpenGL Mathematics Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
  3. ///////////////////////////////////////////////////////////////////////////////////////////////////
  4. // Created : 2010-09-16
  5. // Updated : 2010-09-16
  6. // Licence : This source is under MIT licence
  7. // File : test/gtc/matrix_transform.cpp
  8. ///////////////////////////////////////////////////////////////////////////////////////////////////
  9. #define GLM_FORCE_RADIANS
  10. #include <glm/gtc/matrix_transform.hpp>
  11. #include <glm/gtc/constants.hpp>
  12. int test_perspective()
  13. {
  14. int Error = 0;
  15. glm::mat4 Projection = glm::perspective(glm::pi<float>() * 0.25f, 4.0f / 3.0f, 0.1f, 100.0f);
  16. return Error;
  17. }
  18. int test_pick()
  19. {
  20. int Error = 0;
  21. glm::mat4 Pick = glm::pickMatrix(glm::vec2(1, 2), glm::vec2(3, 4), glm::ivec4(0, 0, 320, 240));
  22. return Error;
  23. }
  24. int test_tweakedInfinitePerspective()
  25. {
  26. int Error = 0;
  27. glm::mat4 ProjectionA = glm::tweakedInfinitePerspective(45.f, 640.f/480.f, 1.0f);
  28. glm::mat4 ProjectionB = glm::tweakedInfinitePerspective(45.f, 640.f/480.f, 1.0f, 0.001f);
  29. return Error;
  30. }
  31. int test_translate()
  32. {
  33. int Error = 0;
  34. glm::lowp_vec3 v(1.0);
  35. glm::lowp_mat4 m(0);
  36. glm::lowp_mat4 t = glm::translate(m, v);
  37. return Error;
  38. }
  39. int main()
  40. {
  41. int Error = 0;
  42. Error += test_translate();
  43. Error += test_tweakedInfinitePerspective();
  44. Error += test_pick();
  45. Error += test_perspective();
  46. return Error;
  47. }