diff --git a/src/main.cpp b/src/main.cpp
index 9503899..8c45f81 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -897,7 +897,7 @@ int main(void)
         float cycleLength = 300.0f;
         if (currentState == GAMEPLAY) gameTime += GetFrameTime();
         float timeOfDay = fmodf(gameTime, cycleLength) / cycleLength;
-        float sunAngle = timeOfDay * 2.0f * PI - PI/2.0f;
+        float sunAngle = timeOfDay * 2.0f * 3.14159f - 3.14159f/2.0f;
         float dayFactor = (sinf(sunAngle) + 1.0f) / 2.0f;
         float quickMix = (dayFactor - 0.5f) * 5.0f + 0.5f;
         if (quickMix > 1.0f) quickMix = 1.0f;
@@ -1782,7 +1782,7 @@ int main(void)
                 BeginMode3D(camera3D);
                     // Draw Sun and Moon (simple billboards or spheres far away)
                     Vector3 sunPos = { camera3D.position.x + cosf(sunAngle) * 100, camera3D.position.y + sinf(sunAngle) * 100, camera3D.position.z };
-                    Vector3 moonPos = { camera3D.position.x + cosf(sunAngle + PI) * 100, camera3D.position.y + sinf(sunAngle + PI) * 100, camera3D.position.z };
+                    Vector3 moonPos = { camera3D.position.x + cosf(sunAngle + 3.14159f) * 100, camera3D.position.y + sinf(sunAngle + 3.14159f) * 100, camera3D.position.z };
                     
                     DrawSphere(sunPos, 5.0f, YELLOW);
                     DrawSphere(moonPos, 4.0f, LIGHTGRAY);