/// <summary>
/// 壁を掘る
/// </summary>
/// <param name="DigDir">掘る向き</param>
/// <param name="x">迷路のx座標</param>
/// <param name="y">迷路のy座標</param>
void Dig(int DigDir, int x, int y)
{
PreLocationX.Push(x);
PreLocationY.Push(y);
switch (DigDir)
{
case (int)Dir.Up:
Maze[x, y - 1] = 1;
Maze[x, y - 2] = 1;
SetCurrentLocation(x, y - 2);
break;
case (int)Dir.Down:
Maze[x, y + 1] = 1;
Maze[x, y + 2] = 1;
SetCurrentLocation(x, y + 2);
break;
case (int)Dir.Right:
Maze[x + 1, y] = 1;
Maze[x + 2, y] = 1;
SetCurrentLocation(x + 2, y);
break;
case (int)Dir.Left:
Maze[x - 1, y] = 1;
Maze[x - 2, y] = 1;
SetCurrentLocation(x - 2, y);
break;
}
CreatedPassageCount++;
}
/// <summary>
/// 壁を掘って通路にしていく
/// </summary>
/// <param name="x">迷路のx座標</param>
/// <param name="y">迷路のy座標</param>
void DigWall(int x, int y)
{
if (CreateLimit == CreatedPassageCount)
{
return;
}
int DigDir = ChoiceDigDir(x, y);
//どの方向も掘れない場合前回の場所に戻ってやり直し
if (DigDir == FailVal)
{
DigWall(PreLocationX.Pop(), PreLocationY.Pop());
return;
}
Dig(DigDir, x, y);
DigWall(CurrentX, CurrentY);
}
