public static bool CollisionWithBorders(Interfaces.ICollisionable obj, int width, int height)
        {
            if (obj.PosX < 0 || obj.PosX > width - obj.Size ||
                obj.PosY < 0 || obj.PosY > height - obj.Size)
            {
                return(true);
            }

            return(false);
        }
 public static bool CollisionBox(Interfaces.ICollisionable obj1, Interfaces.ICollisionable obj2)
 {
     return(CheckCollision(obj1.PosX, obj1.PosY, obj1.Size, obj2.PosX, obj2.PosY, obj2.Size));
 }