public static bool CollidesWith(this BoundingRectangle r, BoundingCircle c) { return(c.CollidesWith(r)); }
public static bool CollidesWith(this BoundingRectangle a, BoundingRectangle b) { return(!(a.X > b.X + b.Width || a.X + a.Width < b.X || a.Y > b.Y + b.Height || a.Y + a.Height < b.Y)); }