/// <summary>
/// Get neighbor blocks in given radius.
/// </summary>
/// <param name="slimBlock">The block used to find his neighbors.</param>
/// <param name="radius">The radius used to search for neighbors.</param>
/// <param name="slimBlocks">Found neighbors are stored here.</param>
private static void GetNeighbors(IMySlimBlock slimBlock, int radius, ref HashSet <IMySlimBlock> slimBlocks)
{
var neighbors = new List <IMySlimBlock>();
slimBlock.GetNeighbours(neighbors);
foreach (var neighbor in neighbors)
{
if (slimBlocks.Contains(neighbor))
{
continue;
}
slimBlocks.Add(neighbor);
if (radius > 1)
{
GetNeighbors(neighbor, radius - 1, ref slimBlocks);
}
}
}