/// <summary>
/// Tiles the at position.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <returns>A TileMaskCollection.</returns>
public TileMaskCollection TilesAtPosition(int x, int y, int width, int height)
{
TileMaskCollection find = new TileMaskCollection(BytesPerColor)
{
tiles = tiles.Where((t) =>
{
if (t.X + t.Width < x + 1)
{
return(false);
}
if (x + width < t.X + 1)
{
return(false);
}
if (t.Y + t.Height < y + 1)
{
return(false);
}
if (y + height < t.Y + 1)
{
return(false);
}
return(true);
}).ToList()
};
find.Sort();
find.UpdateContainer();
return(find);
}
/// <summary>
/// Finds the by area.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="width">The width.</param>
/// <param name="y">The y.</param>
/// <param name="height">The height.</param>
public TileMaskCollection FindByArea(int x, int y, int width, int height)
{
if (selection == null)
{
selection = new TileMaskCollection(BytesPerColor);
}
selection.tiles = TilesAtPosition(x, y, width, height).tiles;
selection.sorted = false;
selection.UpdateContainer();
OnSelectionChanged?.Invoke(this, selection);
return(selection);
}