private int Run(int steps, LongPoint incX, LongPoint incY, LongPoint incZ, LongPoint incW)
{
IList <LongPoint4D> offsets = new List <LongPoint4D>();
for (long x = incX.X; x <= incX.Y; x++)
{
for (long y = incY.X; y <= incY.Y; y++)
{
for (long z = incZ.X; z <= incZ.Y; z++)
{
for (long w = incW.X; w <= incW.Y; w++)
{
LongPoint4D offset = new LongPoint4D(x, y, z, w);
if (LongPoint4D.Zero != offset)
{
offsets.Add(offset);
}
}
}
}
}
// Initial data size
LongPoint newX = new LongPoint(0, 7);
LongPoint newY = new LongPoint(0, 7);
LongPoint newZ = new LongPoint(0, 0);
LongPoint newW = new LongPoint(0, 0);
do
{
// Increment in each direction
newX += incX;
newY += incY;
newZ += incZ;
newW += incW;
// Compute the new state
Step(offsets, newX, newY, newZ, newW);
}while (--steps > 0);
return(_state.Values.Count(i => i.Previous == State.Active));
}
private void Step(IEnumerable <LongPoint4D> offsets, LongPoint newX, LongPoint newY, LongPoint newZ, LongPoint newW)
{
for (long x = newX.X; x <= newX.Y; x++)
{
for (long y = newY.X; y <= newY.Y; y++)
{
for (long z = newZ.X; z <= newZ.Y; z++)
{
for (long w = newW.X; w <= newW.Y; w++)
{
Update(new LongPoint4D(x, y, z, w), offsets);
}
}
}
}
foreach (Item item in _state.Values)
{
item.Reset();
}
}
