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SIMPENGINE.CPP
Package: openglsystem.rar　[view]
Upload User: nthssl
Upload Date: 2022-04-05
Package Size: 25357k
Code Size: 2k
Category:

OpenCV

Development Platform:

Visual C++

SIMPENGINE.CPP：Code Content
  1. #define WIN32_LEAN_AND_MEAN
  2. #define WIN32_EXTRA_LEAN
  4. #include "simpengine.h"
  6. void CSimpEngine::OnPrepare()
  7. {
  8. glEnable(GL_DEPTH_TEST);
  9. glEnable(GL_SMOOTH);
  10. glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
  11. glLoadIdentity();
  12. }
  14. void CSimpEngine::OnMouseDownL(float x, float y) 
  15. {
  16. }
  18. void CSimpEngine::OnKeyDown(int nVirtKey)
  19. {
  20. switch (nVirtKey)
  21. {
  22. case VK_UP:
  23. gameCamera->velocity += CVector(0,0,2.0);
  24. break;
  25. case VK_DOWN:
  26. gameCamera->velocity += CVector(0,0,-2.0);
  27. break;
  28. case VK_RIGHT:
  29. gameCamera->velocity += CVector(1.0, 0.0, 0.0);
  30. break;
  31. case VK_LEFT:
  32. gameCamera->velocity += CVector(-1.0, 0.0, 0.0);
  33. break;
  34. case VK_ESCAPE:
  35. PostQuitMessage(0);
  36. break;
  37. case VK_ADD:
  38. mouseSensitivity += 0.05f;
  39. break;
  40. case VK_SUBTRACT:
  41. mouseSensitivity -= 0.05f;
  42. if (mouseSensitivity < 0.05)
  43. mouseSensitivity = 0.05;
  44. break;
  45. default:
  46. break;
  47. }
  48. }
  50. void CSimpEngine::OnMouseMove(int deltaX, int deltaY)
  51. {
  52. gameCamera->yaw += deltaX*mouseSensitivity;
  53. gameCamera->pitch -= deltaY*mouseSensitivity;
  54. }
  56. void CSimpEngine::OnMouseMove(int x, int y, int centerX, int centerY)
  57. {
  58. static float oldX;
  59. static float oldY;
  60. static float yaw = 0.0f;
  61. static float pitch = 0.0f;
  62. float mX, mY;
  63. mX = (float)x;
  64. mY = (float)y;
  65. if (mX < centerX/2)
  66. gameCamera->yaw -= 0.25f*mouseSensitivity;
  67. if (mX > centerX/2)
  68. gameCamera->yaw += 0.25f*mouseSensitivity;
  69. if (mY < centerY/2)
  70. gameCamera->pitch += 0.25f*mouseSensitivity;
  71. if (mY > centerY/2)
  72. gameCamera->pitch -= 0.25f*mouseSensitivity;
  73. oldX = mX;
  74. oldY = mY;
  75. }