Added a (temp) collision solver for Axis-Aligned rectangles

Engine/structs.h

@@ -36,6 +36,8 @@ struct Rectf
 	Rectf( );
 	explicit Rectf( float left, float bottom, float width, float height );
 	//explicit Rectf( int left, int bottom, int width, int height ); //Stupid fix for it giving an error (same as Point2f)
+
+	Point2f BottomLeft() const { return Point2f{ left, bottom }; }
 	
 	float left;
 	float bottom;