// Destroy a wall
// (x, y) is the coordinate of the tile
// direction is the direction from the tile where the wall should be destroyed
public void DestroyWall(int x, int y, int direction)
{
TileClass tile = GetTileAtCoordinate(x, y).GetComponent <TileClass>();
GameObject obj = GetNeighbouringTile(x, y, direction);
TileClass otherTile = null;
if (obj != null)
{
otherTile = obj.GetComponent <TileClass>();
}
GameObject wall = null;
int opposite = TileClass.getOppositeDirection(direction);
if (otherTile != null && otherTile.HasWall(opposite))
{
wall = otherTile.GetWall(opposite);
otherTile.SetWall(opposite, null);
}
if (tile.HasWall(direction))
{
wall = tile.GetWall(direction);
otherTile.SetWall(direction, null);
}
if (wall != null)
{
Destroy(wall);
}
}