Change so it spins around pointer

inc/App.hpp

@@ -20,4 +20,8 @@ private:
   float rotation = 0.0f;
   Rectangle destB;
   Rectangle destA;
+
+  Vector2 mouseStart;
+  float len;
+  float ofset;
 };

inc/Math.hpp

@@ -1,4 +1,5 @@
 #include "raylib.h"
 
 Color ColorLerp(Color c1, Color c2, float amount);
-Rectangle CalculateRect(Vector2 center, float rotation, float width, float height);
+Vector2 calculateVector(float rotation, float offSet, float len);
+Rectangle calculateRotatedRectangle(Vector2 center, float rotation, float width, float height);