CODE:

#include "DxLib.h"  
#define MAP_X 29  
#define MAP_Y 29  
#define MAP_Z 16  

#define KEY_UP 0  
#define KEY_RIGHT 1  
#define KEY_DOWN 2  
#define KEY_LEFT 3  

int Key[4];  
int time1=0,  
    time2=0,  
    time3=0;  
//キーの状態を得る  
int Getkey(void){  
    int a=0;  
    if(CheckHitKey( KEY_INPUT_UP)!=0){  
        Key[KEY_UP]++;  
        a++;  
    }  
    else Key[KEY_UP]=0;  
    if(CheckHitKey( KEY_INPUT_RIGHT)!=0){  
        Key[KEY_RIGHT]++;  
        a++;  
    }  
    else Key[KEY_RIGHT]=0;  
    if(CheckHitKey( KEY_INPUT_DOWN)!=0){  
        Key[KEY_DOWN]++;  
        a++;  
    }  
    else Key[KEY_DOWN]=0;  
    if(CheckHitKey( KEY_INPUT_LEFT)!=0){  
        Key[KEY_LEFT]++;  
        a++;  
    }  
    else Key[KEY_LEFT]=0;  
    if(CheckHitKey( KEY_INPUT_Z)!=0){  
        return -1;  
    }  
   return a;  
}  
//mapの描写  
void Aitu_gazou(int *map){  
        int a,b,dx,dy;  
        for(a=0;a<MAP_X;a++){  
            for(b=0;b<MAP_Y;b++){  
                dx=a*MAP_Z;  
                dy=b*MAP_Z;  
                DrawBox(dx,dy,dx+MAP_Z,dy+MAP_Z,GetColor(250-*map*200,250-*map*200,250-*map*200),1);  
                map++;  
            }  
        }  
}  
//メインのプログラムですね  
int Aitu_state(void){  
    int map[MAP_X][MAP_Y];  
    int a,b;  
    int dx,dy;  
    int x=1*MAP_Z,  
        y=1*MAP_Z,  
        ex=(MAP_X-2)*MAP_Z,  
        ey=1*MAP_Z;  
    int furagu=4;     
    //mapの初期化  
    for(a=0;a<MAP_X;a++){  
        for(b=0;b<MAP_Y;b++){  
            map[a][b]=0;  
        }  
    }  
/*  mapの外壁  */ 
    //横の壁  
    for(a=0;a<MAP_X;a++){  
        map[a][0]=1;  
        map[a][MAP_Y-1]=1;  
    }  
    //縦の壁  
    for(b=0;b<MAP_Y;b++){  
        map[0][b]=1;  
        map[MAP_X-1][b]=1;  
    }  
    //中の壁  
    for(a=2;a<MAP_X;a+=2){  
        for(b=2;b<MAP_Y;b+=2){  
            map[a][b]=1;  
        }  
    }  
    //中の壁  
    for(a=2;a<MAP_X-1;a+=2){  
        for(b=2;b<MAP_Y-1;b+=2){  
            do{  
                if(a==2)dx=GetRand(4);  
                else dx=GetRand(3);  
                switch(dx){  
                    case 0:  
                        dx=0;  
                        dy=-1;  
                        break;  
                    case 1:  
                        dx=1;  
                        dy=0;  
                        break;  
                    case 2:  
                        dx=0;  
                        dy=1;  
                        break;  
                    case 3:  
                        dx=-1;  
                        dy=0;  
                        break;  
                }  
            }while(map[a+dx][b+dy]==1);  
            map[a+dx][b+dy]=1;  
        }  
    }  
    while(ProcessMessage()==0 && ClearDrawScreen()==0 && Getkey()!=-1){  
        time1++;  
        if(60<=time1){  
            time2++;  
            time1-=60;  
        }  
        if(60<=time2){  
            time3++;  
            time2-=60;  
        }  
        if(x%MAP_Z==0 && y%MAP_Z==0){  
            dx=x/MAP_Z;  
            dy=y/MAP_Z;  
            a=ex/MAP_Z;  
            b=ey/MAP_Z;  
                 if(map[dx][dy-1]==0  && Key[KEY_UP]%20==1)furagu=KEY_UP;  
            else if(map[dx+1][dy]==0  && Key[KEY_RIGHT]%20==1)furagu=KEY_RIGHT;  
            else if(map[dx][dy+1]==0  && Key[KEY_DOWN]%20==1)furagu=KEY_DOWN;  
            else if(map[dx-1][dy]==0  && Key[KEY_LEFT]%20==1)furagu=KEY_LEFT;  
            else furagu=4;  
        }  
        if(furagu<4){  
            if(furagu==KEY_UP){  
                y-=MAP_Z/4;  
                if(map[a][b+1]==0)ey+=MAP_Z/4;  
            }  
            if(furagu==KEY_RIGHT){  
                x+=MAP_Z/4;  
                if(map[a-1][b]==0)ex-=MAP_Z/4;  
            }  
            if(furagu==KEY_DOWN){  
                y+=MAP_Z/4;  
                if(map[a][b-1]==0)ey-=MAP_Z/4;  
            }  
            if(furagu==KEY_LEFT){  
                x-=MAP_Z/4;  
                if(map[a+1][b]==0)ex+=MAP_Z/4;  
            }  
        }  
        Aitu_gazou(&map[0][0]);  
        DrawCircle(x+MAP_Z/2,y+MAP_Z/2,MAP_Z/2,GetColor(200,50,50),1);  
        DrawCircle(ex+MAP_Z/2,ey+MAP_Z/2,MAP_Z/2,GetColor(50,50,200),1);  
        DrawCircle((MAP_X-2)*MAP_Z+MAP_Z/2,(MAP_Y-2)*MAP_Z+MAP_Z/2,MAP_Z/2,GetColor(50,200,50),1);  
        DrawFormatString(550,50,GetColor(200,200,200),"%d,%d,%d",time3,time2,(int)(time1*1.6));  
        ScreenFlip();  
        if(ex==(MAP_X-2)*MAP_Z && ey==(MAP_Y-2)*MAP_Z)return 0;  
    }  
    return -1;  
}  
int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,LPSTR lpCmdLine, int nCmdShow ){  
    ChangeWindowMode(TRUE);//ウィンドウモード  
    if(DxLib_Init() == -1 || SetDrawScreen( DX_SCREEN_BACK )!=0) return -1;//初期化と裏画面化  
    int a,b=1;     
    Getkey();  
    a=GetTickCount()%10000;  
        while(ProcessMessage()==0 && ClearDrawScreen()==0 && Getkey()!=-1){  
            if(Key[KEY_UP]==1)a+=1*b;  
            if(Key[KEY_DOWN]==1)a-=1*b;  
            if(Key[KEY_LEFT]==1 && b<=100)b*=10;  
            if(Key[KEY_RIGHT]==1 && 10<=b)b/=10;  
            if(a<0)a=0;  
            if(9999<a)a=9999;  
            DrawString(100,100,"Zで決定",GetColor(255,255,255));  
            DrawFormatString(150,200,GetColor(255,255,255),"%dずつ増えます",b);  
            DrawFormatString(150,250,GetColor(255,255,255),"マップ：%04d",a);  
            ScreenFlip();  
        }  
        while(Getkey()==-1)ScreenFlip();  
    SRand(a);  
    if(Aitu_state()==0){  
        DrawString(100,100,"Zキーで終了です",GetColor(100,200,100));  
        DrawString(100,200,"ゲームクリア",GetColor(100,200,100));  
        DrawFormatString(150,250,GetColor(100,100,255),"マップ：%04d=%d,%d,%d",a,time3,time2,(int)(time1*1.6));  
        while(Getkey()!=-1)ScreenFlip();  
    }  
    DxLib_End();  
    return 0;  
}