Simplify

calculation of canvas position based on the cursor position and expected rotation

inc/App.hpp

@@ -16,7 +16,6 @@ private:
   int pos = 0;
   int screenWidth, screenHeight;
   std::vector<Canvas> canvases;
-  Vector2 center;
   float rotation = 0.0f;
   Rectangle destB;
   Rectangle destA;

inc/Math.hpp

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