C言語の構造体の勉強がてら作ったゲーム
２次元配列を用いてmapを作り、構造体で座標を処理する。

＊実行環境はwindows

ソースコード

# include <stdio.h>
# include <stdlib.h>
# include <time.h>
# include <conio.h>
# include <windows.h>

# define HPmin 0
	
	struct data{
		int  x;
		int  y;
		int hp;
	};

void map(struct data a,struct data b);
void GameStart();
void GameEnd();
	
int main(void){
	
	int key,flag = 1,num;
	int bx,by;
	struct data  pos = {2,2};
	struct data bpos;
				bpos.hp = 5;
	srand((unsigned)time(NULL));
	 bx = (int)(rand() / (RAND_MAX+1.0) * 5.0);
	 by = (int)(rand() / (RAND_MAX+1.0) * 5.0);
	bpos.x = bx;
	bpos.y = by;
	system("cls");
	
   	GameStart();
	map(pos,bpos);
	
		
	while(flag == 1){
		
		
		
		if(kbhit()){
			system("cls");
			key = getch();
			if(key == 0 || key == 224)key = getch();
			
		switch(key){
			case 0x48:	if(pos.y == 0)break;
						 pos.y--; break;
			case 0x50: if(pos.y == 4)break;
						 pos.y++; break;
			case 0x4b: if(pos.x == 0)break;
						 pos.x--; break;
			case 0x4d: if(pos.x == 4)break;
						 pos.x++; break;
		}
			num = 1 + (int)(rand()*(4-1+1.0)/(1.0+RAND_MAX));
			if(num == 1){
				bpos.x = (int)(rand() / (RAND_MAX+1.0) * 5.0);
				bpos.y = (int)(rand() / (RAND_MAX+1.0) * 5.0);
			}
				if(pos.x == bpos.x && pos.y == bpos.y){
					Sleep(300);
					Beep(830,100);
					Beep(880,100);
					 bpos.hp -= 1;
					 while(pos.x == bpos.x && pos.y == bpos.y){
					 bpos.x = (int)(rand() / (RAND_MAX+1.0) * 5.0);
					 bpos.y = (int)(rand() / (RAND_MAX+1.0) * 5.0);
					 system("cls");
					 }
				} 
				if(bpos.hp == HPmin)flag = 0;
		}
		map(pos,bpos);
		printf("\n\n (%d, %d) [8/2/4/6]>\n\n十字キーを使って%dを\n追いかけてください！\n1があなたです\n",pos.x,pos.y,bpos.hp);
	//	Sleep(10);
		system("cls");
	}
	GameEnd();
	
	return 0;
}

void map(struct data a,struct data b){
	
	int i,j;
    int  map[5][5];

	 
	 for(i = 0;i<5;i++){
		for(j = 0;j<5;j++){
		map[i][j] = 0;
		}
	}

	map[a.y][a.x] = 1;
	map[b.y][b.x] = b.hp;
	
	printf("\n\n");
	printf("    %d %d %d %d %d \n",map[0][0],map[0][1],map[0][2],map[0][3],map[0][4]);
	printf("    %d %d %d %d %d \n",map[1][0],map[1][1],map[1][2],map[1][3],map[1][4]);
	printf("    %d %d %d %d %d \n",map[2][0],map[2][1],map[2][2],map[2][3],map[2][4]);
	printf("    %d %d %d %d %d \n",map[3][0],map[3][1],map[3][2],map[3][3],map[3][4]);
	printf("    %d %d %d %d %d \n",map[4][0],map[4][1],map[4][2],map[4][3],map[4][4]);
}
void GameStart(){
	system("cls");
	printf("\n\n\n");
	printf("     GAME\n     Start!\n");
	Beep(600,200);
	Beep(900,200);
	system("cls");
}
void GameEnd(){
	system("cls");
	printf("\n\n\n");
	printf("     GAME\n     Clear!\n");
	Sleep(200);
	Beep(740,90);
	Beep(698,90);
	Beep(587,90);
	Beep(415,90);
	Beep(392,90);
	Beep(587,90);
	Beep(784,90);
	Beep(988,90);
	Sleep(1000);
	system("cls");
}

ゲーム開始時の音、十字キー操作など、追加したい機能を調べながら作ったので
シンプルなゲームとして、応用可能な状態です。