add rotation behavior logic (not working correctly for multiple axes)

dCommon/dMath.h

@@ -0,0 +1,23 @@
+// Darkflame Universe
+// Copyright 2025
+
+#ifndef DMATH_H
+#define DMATH_H
+
+#include <cmath>
+
+namespace Math {
+	constexpr float	PI = 3.14159265358979323846264338327950288f;
+	constexpr float RATIO_DEG_TO_RAD = PI / 180.0f;
+	constexpr float RATIO_RAD_TO_DEG = 180.0f / PI;
+
+	inline float DegToRad(float degrees) {
+		return degrees * RATIO_DEG_TO_RAD;
+	}
+
+	inline float RadToDeg(float radians) {
+		return radians * RATIO_RAD_TO_DEG;
+	}
+};
+
+#endif //!DMATH_H