void Logika(){

    int pirmsX = xAstei[0];
    int pirmsY = yAstei[0];

    int pirms2X, pirms2Y;

    xAstei[0] = x;
    yAstei[0] = y;

    for (int i = 1; i < nAstei; i++){

        pirms2X = xAstei[i];
        pirms2Y = yAstei[i];

        xAstei[i] = pirmsX;
        yAstei[i] = pirmsY;

        pirmsX = pirms2X;
        pirmsY = pirms2Y;
    }

    switch (virziens){

    case 1:

        x--;

        break;

    case 2:

        x++;

        break;

    case 3:

        y--;

        break;

    case 4:

        y++;

        break;

    default:

        break;

    }

    if (x >= platums) x = 0; else if (x < 0) x = platums - 1;
    if (y >= augstums) y = 0; else if (y < 0) y = augstums - 1;

    for (int i = 0; i < nAstei; i++)
        if (xAstei[i] == x && yAstei[i] == y)

            spelesBeigas = true;

            cout<<"Spele beigusies!";

    if (x == xAuglim && y == yAuglim){

        punkti += 10;

        xAuglim = rand() % platums;
        yAuglim = rand() % augstums;

        nAstei++;
    }
}