#pragma once
class Location
{
protected:
	int X;
	int Y;
public:
	Location(int _X, int _Y);
	~Location();
	int GetX();
	int GetY();
};

class Point : public Location
{
protected:
	bool isVisible;

public:
	Point(int _X, int _Y);
	~Point();

	virtual void Show();
	virtual void Hide();

	void MoveTo(int NewX, int NewY);
	void Drag(int Step);
};

class Grinder : public Point
{
protected:
	int Scale;
public:
	Grinder(int _X, int _Y, int _Scale);
	~Grinder();

	virtual void Show();
	virtual void Hide();

	void ChangeSize(int delta);

};

class Rock : public Point
{
protected:
	int Scale;
public:
	Rock();
	Rock(int _X, int _Y, int Scale);
	~Rock();

	virtual void Show();
	virtual void Hide();


};