Decorateパターン練習

using UnityEngine;
using UnityEngine.UI;
using System;

//使い方
public class TestScript : MonoBehaviour
{
	void Start ()
	{
		Decoratable cake = new CreamDecorator (new ChocoDecorator (new CakeDecorator (new Cake ("スススススス"))));
		cake.Show ();

	}
}
//デコレーションできるようにする
public abstract class Decoratable
{
	public abstract string GetItem ();

	public void Show ()
	{
		Debug.Log (GetItem ());
	}

}

//ベースとなるもの
public class Cake : Decoratable
{
	string baseCake;

	public Cake (string baseCake)
	{
		this.baseCake = baseCake;
	}

	public override string GetItem ()
	{
		return baseCake;
	}

}

//デコレーションするやつ。チョコ塗ってくれる
public class ChocoDecorator : Decoratable
{
	Decoratable decoratable;

	public ChocoDecorator (Decoratable decorable)
	{
		this.decoratable = decorable;
	}

	public override string GetItem ()
	{
		return "黒黒黒黒黒黒\n" + decoratable.GetItem () + "\n黒黒黒黒黒黒";
	}
}

//デコレーションするやつ。苺塗ってくれる
public class CakeDecorator : Decoratable
{
	Decoratable decoratable;

	public CakeDecorator (Decoratable decorable)
	{
		this.decoratable = decorable;
	}

	public override string GetItem ()
	{
		return "苺苺苺苺苺苺\n" + decoratable.GetItem ();
	}
}

//デコレーションするやつ。生クリーム塗ってくれる
public class CreamDecorator : Decoratable
{
	Decoratable decoratable;

	public CreamDecorator (Decoratable decorable)
	{
		this.decoratable = decorable;
	}

	public override string GetItem ()
	{
		return "生生生生生生\n" + decoratable.GetItem ();
	}
}