public static Cube4 RandomCube4(bool corner = true, bool wing = true, bool xcenter = true)
{
Tools.SetNPerm(corner ? Tools.rd.Next(40320) : 0, 8, out int[] cp);
Tools.SetNTwist(corner ? Tools.rd.Next(2187) : 0, 8, out int[] co);
for (int i = 0; i < 8; i++)
{
cp[i] = cp[i] * 3 + co[i];
}
int[] w, xc;
if (wing)
{
w = Wing.Random();
}
else
{
w = new int[24]; for (int i = 0; i < 24; i++)
{
w[i] = i;
}
}
if (xcenter)
{
xc = XCenter.Random();
}
else
{
xc = new int[24]; for (int i = 0; i < 24; i++)
{
xc[i] = i >> 2;
}
}
return(new Cube4(w, cp, xc));
}
