protected override void Apply(Point coords, Grid grid)
{
if (0 <= coords.X && coords.X < grid.Width && 0 <= coords.Y && coords.Y < grid.Height)
{
if (grid.Dots[coords.X, coords.Y] >= 0)
{
return;
}
if (grid.Bridges[coords.X, coords.Y])
{
grid.Bridges[coords.X, coords.Y] = false;
return;
}
if (Grid.Directions.All(d => !grid.IsBridge(coords, d) && !grid.IsWall(coords, d)))
{
grid.Bridges[coords.X, coords.Y] = true;
}
}
}
private bool IsBridge(Point p, Point d)
{
return(Grid.IsBridge(p, d));
}