moved from h4570/tyra

src/engine/include/utils/math.hpp

@@ -0,0 +1,39 @@
+/*
+# ______       ____   ___
+#   |     \/   ____| |___|    
+#   |     |   |   \  |   |       
+#-----------------------------------------------------------------------
+# Copyright 2020, tyra - https://github.com/h4570/tyra
+# Licenced under Apache License 2.0
+# Sandro Sobczyński <sandro.sobczynski@gmail.com>
+*/
+
+#ifndef _TYRA_MATH_
+#define _TYRA_MATH_
+
+#include <tamtypes.h>
+#include <math3d.h>
+#include "../models/math/vector3.hpp"
+
+class Vector3; // Forward definition
+
+void manyVec3ToNative(VECTOR *t_result, Vector3 *t_vec, int t_amount, float t_fourthVal);
+void vec3ToNative(VECTOR t_result, Vector3 &t_vec, float t_fourthVal);
+
+class Math
+{
+
+public:
+    const static float HALF_ANG2RAD = 3.14159265358979323846 / 360.0;
+    const static float PI = 3.1415926535897932384626433832795F;
+    const static float HALF_PI = 1.5707963267948966192313216916398F;
+    static float cos(float x);
+    static inline float sin(float x) { return cos(x - HALF_PI); };
+    static float sqrt(float x);
+    static float invSqrt(float x);
+
+private:
+    Math();
+};
+
+#endif