Ejericio 3

// ConsoleApplication2.cpp : main project file.

#include "stdafx.h"
#include <conio.h>
#include <iostream>
using namespace std;
using namespace System;

void genera_y_muestra_matriz(int matriz[20][20])
{
    Console::BackgroundColor = ConsoleColor::White;
    Console::ForegroundColor = ConsoleColor::Black;
    for (int i = 0; i < 20; i++)
    {
        for (int j = 0; j < 20; j++)
        {
            if (matriz[i][j]==0)cout << ' '; else cout << (char)219;
        }cout << endl;
    }
}
void desplazar_movil(int matriz[20][20])
{
    int ex = 11, ey = 3, dex = 1, dey=1;
    int px = 15, py = 8;
    int key;
    Console::SetCursorPosition(ex, ey);
    cout << (char)1;
    Console::SetCursorPosition(px, py);
    Console::ForegroundColor = ConsoleColor::Gray;
    cout << (char)219;
    Console::SetCursorPosition(px - 1, py + 1);
    cout << (char)219 << (char)219 << (char)219;
    while (1)
    {
        if (kbhit())
        {
            Console::ForegroundColor = ConsoleColor::Gray;
            key = _getch();
            if (key = 224)
            {
                key = _getch();
                Console::SetCursorPosition(px, py);
                cout << ' ';
                Console::SetCursorPosition(px - 1, py + 1);
                cout << (char)32 << (char)32 << (char)32;
                switch (key)
                {
                case 72:if (py-1>0)py--;break;
                case 75:if (px-2>0)px--;break;
                case 77:if (px+2<19)px++;break;
                case 80:if (py+2<19)py++;break;
                }
            }
            Console::SetCursorPosition(px, py);
            cout << (char)219;
            Console::SetCursorPosition(px - 1, py + 1);
            cout << (char)219 << (char)219 << (char)219;
        }
        _sleep(50);
        Console::SetCursorPosition(ex, ey);
        Console::ForegroundColor = ConsoleColor::Black;
        cout << ' ';
        if (ex == 18 || ex == 1)dex *= -1;
        ex += dex;
        if (ey == 1 || ey == 18)dey *= -1;
        ey += dey;
        Console::SetCursorPosition(ex, ey);
        cout << (char)1;
        if (ex == px&&ey == py || ex == px - 1 && ey == py + 1 || ex == px&&ey == py + 1 || ex == px + 1 && ey == py +1) {
            Console::SetCursorPosition(px, py);
            cout << ' ';
            Console::SetCursorPosition(px - 1, py + 1);
            cout << (char)32 << (char)32 << (char)32;
            px = 15; py = 8;
            Console::ForegroundColor = ConsoleColor::Gray;
            Console::SetCursorPosition(px, py);
            cout << (char)219;
            Console::SetCursorPosition(px - 1, py + 1);
            cout << (char)219 << (char)219 << (char)219;
        }

    }
}
int main()
{
    int matriz[20][20] = {
        {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2},
        {2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2},
    };
    genera_y_muestra_matriz(matriz);
    desplazar_movil(matriz);
    _getch();
    return 0;
}