public void Move()
{
var newHead = GetNewHead();
// If an object on the ground exists, interact with it.
Arena.GetCell(newHead.X, newHead.Y)?.Interact(this);
// Set the currently visited cell as the player's.
Arena.UpdateCell(newHead.X, newHead.Y, new SnekBody(Color, this, Body.AddLast(newHead)));
// Free the tail cell if snake is not growing.
var tail = Body.First.Value;
if (Growth > 0)
{
Growth--;
}
else
{
Arena.UpdateCell(tail.X, tail.Y, null);
Body.RemoveFirst();
}
CurrentDirection = NextDirection;
}
public void TrimTail(LinkedListNode <Point> cutoffPoint)
{
// Trim the list until snake was eaten
while (Body.First != cutoffPoint && Body.Last?.Previous != null)
{
var cell = Body.First.Value;
Body.RemoveFirst();
Arena.UpdateCell(cell.X, cell.Y, null);
}
// Trim it once more, because it was trimmed up until the trim point. Exempt if it would obliterate the snake.
if (Body.Last?.Previous != null)
{
var cell = Body.First.Value;
Body.RemoveFirst();
Arena.UpdateCell(cell.X, cell.Y, null);
}
}
