/// <summary>
/// Rolls a start and end point--wrapping allowed--and scrambles the elements between.
/// </summary>
/// <typeparam name="T">The array data type.</typeparam>
/// <param name="arry"></param>
/// <returns>The scrambled array.</returns>
protected T[] Scramble <T>(T[] arry)
{
var N = arry.Count();
var newArry = new T[N];
Array.Copy(arry, newArry, N);
var start = Stochastic.Next(N);
var end = Stochastic.Next(N);
while (end != start)
{
end = Stochastic.Next(N);
}
var isWrapped = start > end;
var offset = isWrapped ? end + 1 : 0;
//If isWrapped (N-start) count back end & (start+1) counts front end.
var len = end - start + 1 + (isWrapped ? N : 0);
var scrambled = new T[len];
for (var i = 0; i < len; i++)
{
scrambled[i] = arry[(start + i) % N];
}
scrambled = Stochastic.Shuffle(scrambled);
for (var i = 0; i < len; i++)
{
newArry[(start + i) % N] = scrambled[i];
}
return(newArry);
}
public T[] Shuffle <T>(T[] array)
{
return(_stochastic.Shuffle <T>(array));
}
