===== 昨日の復習をしていくよ =====
==== 第１話　C言語の時代 ====

<codeblock code_label>
<caption>C言語でゲームループ</caption>
<code cpp>
#include <iostream>
#include <cstdio>

using std::cin;

//キャラクターの初期位置（０，０） HP100
//一歩歩くと１HPが減るかわいそうなキャラ
int cx=0, cy=0;
int hp = 100;


//0:左 1:上 2:右 3：下
void Walk(int Dir)
{
	switch (Dir)
	{
	case 0:
		cx = cx - 1;
		break;
	case 1:
		cy = cy - 1;
		break;
	case 2:
		cx = cx + 1;
		break;
	case 3:
		cy = cy + 1;
		break;
	default:
		break;
	}
	hp--;
}

void PrintStatus()
{
	printf("+-----------------+\n");
	printf("| NAME: yusha     |\n");
	printf("|   HP:%3d        |\n", hp);
	printf("|  POS:(%3d,%3d)  |\n", cx, cy);
	printf("|                 |\n");
	printf("|                 |\n");
	printf("+-----------------+\n");
}

int main()
{
	int i = 0;
	while (true)
	{
		printf("%dフレーム目：無限\n", i);
		Walk(2);
		PrintStatus();
		getchar();
		i++;
	}

	return 0;
}
</code>
</codeblock>

==== 第２話　C＋＋の夜明け ====
=== GameChara.h ===

<codeblock code_label>
<caption>ゲームキャラのヘッダ</caption>
<code cpp "GameChara.h">
#pragma once
#include <string>

enum DIR
{
	////0:左 1:上 2:右 3：下
	LEFT, UP, RIGHT, DOWN, MAXDIR
};

class GameChara
{
public:
	GameChara();//コンストラクタ
	~GameChara();//デストラクタ
	void Walk(DIR Dir);
	void PrintStatus();
private:
	std::string name;
	int cx, cy;
	int hp;
};


</code>
</codeblock>

=== GameChara.cpp ===

<codeblock code_label>
<caption>GameChara.cpp</caption>
<code cpp "GameChara.cpp">
#include "GameChara.h"

GameChara::GameChara()
{
	name = "yusha";
	cx = 0;
	cy = 0;
	hp = 100;
	printf("おぎゃー\n");
	printf("%sは生まれた！\n", name.c_str());
}

GameChara::~GameChara()
{
	printf("うぎゃー\n");
	printf("%sは死んだ。。。\n", name.c_str());
}

void GameChara::Walk(DIR Dir)
{
	switch (Dir)
	{
	case LEFT:
		cx = cx - 1;
		break;
	case UP:
		cy = cy - 1;
		break;
	case RIGHT:
		cx = cx + 1;
		break;
	case DOWN:
		cy = cy + 1;
		break;
	default:
		break;
	}
	hp--;

}

void GameChara::PrintStatus()
{
	printf("+-----------------+\n");
	printf("| NAME: yusha     |\n");
	printf("|   HP:%3d        |\n", hp);
	printf("|  POS:(%3d,%3d)  |\n", cx, cy);
	printf("| ADDR:%p         |\n", this);
	printf("|                 |\n");
	printf("+-----------------+\n");
}

</code>
</codeblock>


=== theMain.cpp ===

<codeblock code_label>
<caption>theMain.cpp</caption>
<code cpp "theMain.cpp">
#include <iostream>
#include <cstdio>
#include "GameChara.h"

using std::cin;

int main()
{
	GameChara *hero = nullptr;

	int i = 0;
	while (true)
	{
		printf("%dフレーム目：無限\n", i);
		if (hero == nullptr)
		{
			printf("ヒーローが必要ですか？");
			rewind(stdin);
			char n;
			cin >> n;
			if (n == 'y' || n == 'Y')
			{
				hero = new GameChara;
			}
		}
		if (hero != nullptr) {
			hero->Walk(UP);
			hero->PrintStatus();
			//hero.Walk(UP);
			//hero.PrintStatus();
			printf("ヒーローを葬りますか？");
			rewind(stdin);
			char n;
			cin >> n;
			if (n == 'y' || n == 'Y')
			{
				delete hero;
				hero = nullptr;
			}
		}
		getchar();
		i++;
	}

	return 0;
}
</code>
</codeblock>