internal void Move(int Step, Direction NewDirection)
{
if (NewDirection == Direction.UP && CurrentDirection == Direction.DOWN)//illigal
{
return;
}
if (NewDirection == Direction.DOWN && CurrentDirection == Direction.UP)//illigal
{
return;
}
if (NewDirection == Direction.LEFT && CurrentDirection == Direction.RIGHT)//illigal
{
return;
}
if (NewDirection == Direction.RIGHT && CurrentDirection == Direction.LEFT)//illigal
{
return;
}
if (NewDirection != CurrentDirection)//Turn...
{
SnakeBody.Add(new LineSeg(SnakeBody[SnakeBody.Count - 1].End, SnakeBody[SnakeBody.Count - 1].End));
}
CurrentDirection = NewDirection;
Move(Step);
}
