public void Move(Direction direction)
{
PreviousX = X;
PreviousY = Y;
if (direction == Direction.UP)
{
Y -= 1;
}
if (direction == Direction.LEFT)
{
X -= 1;
}
if (direction == Direction.DOWN)
{
Y += 1;
}
if (direction == Direction.RIGHT)
{
X += 1;
}
if (X > 9)
{
X -= MapLenX;
}
if (X < 0)
{
X += MapLenX;
}
if (Y > 3)
{
Y -= MapLenY;
}
if (Y < 0)
{
Y += MapLenY;
}
if (Child != null)
{
Child.Move(PreviousX, PreviousY);
}
}
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();
}
