core_vr_simulator.c 4.1 KB

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  1. /*******************************************************************************************
  2. *
  3. * raylib [core] example - VR Simulator (Oculus Rift CV1 parameters)
  4. *
  5. * This example has been created using raylib 1.7 (www.raylib.com)
  6. * raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
  7. *
  8. * Copyright (c) 2016 Ramon Santamaria (@raysan5)
  9. *
  10. ********************************************************************************************/
  11. #include "raylib.h"
  12. #if defined(PLATFORM_WEB)
  13. #include <emscripten/emscripten.h>
  14. #endif
  15. //----------------------------------------------------------------------------------
  16. // Global Variables Definition
  17. //----------------------------------------------------------------------------------
  18. int screenWidth = 800;
  19. int screenHeight = 450;
  20. // NOTE: screenWidth/screenHeight should match VR device aspect ratio
  21. Camera camera;
  22. Vector3 cubePosition = { 0.0f, 0.0f, 0.0f };
  23. //----------------------------------------------------------------------------------
  24. // Module Functions Declaration
  25. //----------------------------------------------------------------------------------
  26. void UpdateDrawFrame(void); // Update and Draw one frame
  27. //----------------------------------------------------------------------------------
  28. // Main Enry Point
  29. //----------------------------------------------------------------------------------
  30. int main()
  31. {
  32. // Initialization
  33. //--------------------------------------------------------------------------------------
  34. InitWindow(screenWidth, screenHeight, "raylib [core] example - oculus rift");
  35. // NOTE: If device is not available, it fallbacks to default device (simulator)
  36. InitVrSimulator(HMD_OCULUS_RIFT_CV1); // Init VR simulator (Oculus Rift CV1 parameters)
  37. // Define the camera to look into our 3d world
  38. camera.position = (Vector3){ 5.0f, 5.0f, 5.0f }; // Camera position
  39. camera.target = (Vector3){ 0.0f, 0.0f, 0.0f }; // Camera looking at point
  40. camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target)
  41. camera.fovy = 60.0f; // Camera field-of-view Y
  42. SetCameraMode(camera, CAMERA_FIRST_PERSON); // Set first person camera mode
  43. #if defined(PLATFORM_WEB)
  44. emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
  45. #else
  46. SetTargetFPS(60); // Set our game to run at 60 frames-per-second
  47. //--------------------------------------------------------------------------------------
  48. // Main game loop
  49. while (!WindowShouldClose()) // Detect window close button or ESC key
  50. {
  51. UpdateDrawFrame();
  52. }
  53. #endif
  54. // De-Initialization
  55. //--------------------------------------------------------------------------------------
  56. CloseVrSimulator(); // Close VR simulator
  57. CloseWindow(); // Close window and OpenGL context
  58. //--------------------------------------------------------------------------------------
  59. return 0;
  60. }
  61. //----------------------------------------------------------------------------------
  62. // Module Functions Definition
  63. //----------------------------------------------------------------------------------
  64. void UpdateDrawFrame(void)
  65. {
  66. // Update
  67. //----------------------------------------------------------------------------------
  68. UpdateCamera(&camera); // Update camera (simulator mode)
  69. if (IsKeyPressed(KEY_SPACE)) ToggleVrMode(); // Toggle VR mode
  70. //----------------------------------------------------------------------------------
  71. // Draw
  72. //----------------------------------------------------------------------------------
  73. BeginDrawing();
  74. ClearBackground(RAYWHITE);
  75. BeginVrDrawing();
  76. Begin3dMode(camera);
  77. DrawCube(cubePosition, 2.0f, 2.0f, 2.0f, RED);
  78. DrawCubeWires(cubePosition, 2.0f, 2.0f, 2.0f, MAROON);
  79. DrawGrid(40, 1.0f);
  80. End3dMode();
  81. EndVrDrawing();
  82. DrawFPS(10, 10);
  83. EndDrawing();
  84. //----------------------------------------------------------------------------------
  85. }