bool MakeSnake(Point3 newSnakePos)
{
if (head != null)
{
DisableGuidelines();
}
if (_board.SetVoxel(newSnakePos, "Snake"))
{
if (head != null)
{
head.RendMat = baseSnakeMat;
}
head = _board.GetVoxelAt(newSnakePos);
head.RendMat = snakeHeadMat;
LinkedListNode <Point3> lln = new LinkedListNode <Point3>(newSnakePos);
_snakeList.AddFirst(lln);
if (_snakeList.Count > 1)
{
var neckPoint = lln.Next.Value;
var neck = _board.GetVoxelAt(neckPoint);
if (neckPoint.x > newSnakePos.x)
{
// East
head.ExtendEast = true;
neck.ExtendWest = true;
}
else if (neckPoint.x < newSnakePos.x)
{
// West
head.ExtendWest = true;
neck.ExtendEast = true;
}
else if (neckPoint.y > newSnakePos.y)
{
// North
head.ExtendNorth = true;
neck.ExtendSouth = true;
}
else if (neckPoint.y < newSnakePos.y)
{
// South
head.ExtendSouth = true;
neck.ExtendNorth = true;
}
else if (neckPoint.z > newSnakePos.z)
{
// Above
head.ExtendTop = true;
neck.ExtendBottom = true;
}
else if (neckPoint.z < newSnakePos.z)
{
// Below
head.ExtendBottom = true;
neck.ExtendTop = true;
}
}
return(true);
}
return(false);
}