public CellStatus ValidateSection(SnakeSection snakeSection)
{
if (snakeSection.X < 0 || snakeSection.Y < 0 || snakeSection.X >= FieldWidth || snakeSection.Y >= FieldHeight)
{
return(CellStatus.Border);
}
if (snakeSection.X == AppleX && snakeSection.Y == AppleY)
{
return(CellStatus.Apple);
}
if (_used[snakeSection.X, snakeSection.Y])
{
return(CellStatus.Border);
}
return(CellStatus.Empty);
}
public bool Move()
{
SnakeSection newSection = _sections.First.Value.GetNeighbor(_direction);
CellStatus status = _engine.ValidateSection(newSection);
if (status == CellStatus.Border)
{
return(false);
}
if (status == CellStatus.Apple)
{
_engine.MoveApple();
}
else
{
_engine.DeleteSection(_sections.Last.Value);
_sections.RemoveLast();
}
_engine.AddSection(newSection);
_sections.AddFirst(newSection);
return(true);
}
public void DeleteSection(SnakeSection snakeSection)
{
_used[snakeSection.X, snakeSection.Y] = false;
_notUsed++;
}
public void AddSection(SnakeSection snakeSection)
{
_used[snakeSection.X, snakeSection.Y] = true;
_notUsed--;
}
