public void Grow()
{
if (Child != null)
{
Child.Grow();
return;
}
var piece = new SnakePiece(PreviousX, PreviousY);
piece.SetParent(this);
}
public void Update()
{
if (LoseTimer > 0)
{
LoseTimer--;
if (LoseTimer == 0)
{
Initialize();
}
RefreshLoseScreen();
return;
}
if (WinTimer > 0)
{
WinTimer--;
if (WinTimer == 0)
{
Initialize();
}
RefreshWinScreen();
return;
}
Head.Move(CurrentDirection);
var piece = Head.Child;
while (piece != null)
{
if (piece.X == Head.X && piece.Y == Head.Y)
{
GameLose();
RefreshLoseScreen();
return;
}
piece = piece.Child;
}
if (Head.X == Food.X && Head.Y == Food.Y)
{
Head.Grow();
Length++;
SpawnFood();
if (Length >= WinThreshold)
{
GameWin();
RefreshWinScreen();
return;
}
}
RefreshScreen();
}
