public static Xy FlatTo2DIndex(this Array array, int flattenedIndex)
{
#if DEV_MODE && PI_ASSERTATIONS
var test = Xy.Get2DIndex(array, flattenedIndex);
Debug.Assert(test.ToFlattenedIndex(array) == flattenedIndex);
#endif
return(Xy.Get2DIndex(array, flattenedIndex));
}
/// <summary>
/// Where this Size2D represents the width and height of a two-dimensional collection,
/// converts given flattened index to height and width indexes of a member in the collection.
/// in the collection.
/// </summary>
/// <param name="flattenedIndex"> Zero-based flattened index of a member in a two-dimensional collection. </param>
/// <returns> The two-dimensional index of a member in the collection. </returns>
public Xy Get2DIndex(int flattenedIndex)
{
return(Xy.Get2DIndex(width, flattenedIndex));
}