diff options
Diffstat (limited to 'examples/core/core_vr_simulator.c')
| -rw-r--r-- | examples/core/core_vr_simulator.c | 69 |
1 files changed, 53 insertions, 16 deletions
diff --git a/examples/core/core_vr_simulator.c b/examples/core/core_vr_simulator.c index 3f59e839..76e22b1a 100644 --- a/examples/core/core_vr_simulator.c +++ b/examples/core/core_vr_simulator.c @@ -11,32 +11,67 @@ #include "raylib.h" -int main() +#if defined(PLATFORM_DESKTOP) + #define GLSL_VERSION 330 +#else // PLATFORM_RPI, PLATFORM_ANDROID, PLATFORM_WEB + #define GLSL_VERSION 100 +#endif + +int main(void) { // Initialization //-------------------------------------------------------------------------------------- - int screenWidth = 1080; - int screenHeight = 600; - + const int screenWidth = 800; + const int screenHeight = 450; + // NOTE: screenWidth/screenHeight should match VR device aspect ratio - + + SetConfigFlags(FLAG_MSAA_4X_HINT); InitWindow(screenWidth, screenHeight, "raylib [core] example - vr simulator"); // Init VR simulator (Oculus Rift CV1 parameters) - InitVrSimulator(GetVrDeviceInfo(HMD_OCULUS_RIFT_CV1)); - + InitVrSimulator(); + + VrDeviceInfo hmd = { 0 }; // VR device parameters (head-mounted-device) + + // Oculus Rift CV1 parameters for simulator + hmd.hResolution = 2160; // HMD horizontal resolution in pixels + hmd.vResolution = 1200; // HMD vertical resolution in pixels + hmd.hScreenSize = 0.133793f; // HMD horizontal size in meters + hmd.vScreenSize = 0.0669f; // HMD vertical size in meters + hmd.vScreenCenter = 0.04678f; // HMD screen center in meters + hmd.eyeToScreenDistance = 0.041f; // HMD distance between eye and display in meters + hmd.lensSeparationDistance = 0.07f; // HMD lens separation distance in meters + hmd.interpupillaryDistance = 0.07f; // HMD IPD (distance between pupils) in meters + + // NOTE: CV1 uses a Fresnel-hybrid-asymmetric lenses with specific distortion compute shaders. + // Following parameters are an approximation to distortion stereo rendering but results differ from actual device. + hmd.lensDistortionValues[0] = 1.0f; // HMD lens distortion constant parameter 0 + hmd.lensDistortionValues[1] = 0.22f; // HMD lens distortion constant parameter 1 + hmd.lensDistortionValues[2] = 0.24f; // HMD lens distortion constant parameter 2 + hmd.lensDistortionValues[3] = 0.0f; // HMD lens distortion constant parameter 3 + hmd.chromaAbCorrection[0] = 0.996f; // HMD chromatic aberration correction parameter 0 + hmd.chromaAbCorrection[1] = -0.004f; // HMD chromatic aberration correction parameter 1 + hmd.chromaAbCorrection[2] = 1.014f; // HMD chromatic aberration correction parameter 2 + hmd.chromaAbCorrection[3] = 0.0f; // HMD chromatic aberration correction parameter 3 + + // Distortion shader (uses device lens distortion and chroma) + Shader distortion = LoadShader(0, FormatText("resources/distortion%i.fs", GLSL_VERSION)); + + SetVrConfiguration(hmd, distortion); // Set Vr device parameters for stereo rendering + // Define the camera to look into our 3d world - Camera camera; + Camera camera = { 0 }; camera.position = (Vector3){ 5.0f, 2.0f, 5.0f }; // Camera position camera.target = (Vector3){ 0.0f, 2.0f, 0.0f }; // Camera looking at point camera.up = (Vector3){ 0.0f, 1.0f, 0.0f }; // Camera up vector (rotation towards target) camera.fovy = 60.0f; // Camera field-of-view Y camera.type = CAMERA_PERSPECTIVE; // Camera type - + Vector3 cubePosition = { 0.0f, 0.0f, 0.0f }; - + SetCameraMode(camera, CAMERA_FIRST_PERSON); // Set first person camera mode - + SetTargetFPS(90); // Set our game to run at 90 frames-per-second //-------------------------------------------------------------------------------------- @@ -55,7 +90,7 @@ int main() BeginDrawing(); ClearBackground(RAYWHITE); - + BeginVrDrawing(); BeginMode3D(camera); @@ -66,7 +101,7 @@ int main() DrawGrid(40, 1.0f); EndMode3D(); - + EndVrDrawing(); DrawFPS(10, 10); @@ -77,9 +112,11 @@ int main() // De-Initialization //-------------------------------------------------------------------------------------- - CloseVrSimulator(); // Close VR simulator - - CloseWindow(); // Close window and OpenGL context + UnloadShader(distortion); // Unload distortion shader + + CloseVrSimulator(); // Close VR simulator + + CloseWindow(); // Close window and OpenGL context //-------------------------------------------------------------------------------------- return 0; |