/// <summary>
/// Indexer to get the GridItem at the specified coordinates.
/// </summary>
/// <param name="coordinate"> The position at which the item should be set or gotten.. </param>
/// <returns> The GridItem at the specified position. </returns>
public GridItem this[InnerChunkGridCoordinate coordinate]
{
get => *_items[CalculateIndex(coordinate)];
public GridCoordinate(ChunkCoordinate chunkCoordinate, InnerChunkGridCoordinate innerCoordinate)
{
X = (chunkCoordinate.X << Chunk.XGridCoordinateToChunkCoordinateBitShift) + innerCoordinate.X;
Y = (chunkCoordinate.Y << Chunk.YGridCoordinateToChunkCoordinateBitShift) + innerCoordinate.Y;
}