public int GetWallDistance(Direction direction)
{
switch (direction)
{
case Direction.Left:
return(SnakeHead.GetPosition().X);
case Direction.Right:
return(_gameSize.Width - SnakeHead.GetPosition().X);
case Direction.Up:
return(SnakeHead.GetPosition().X);
case Direction.Down:
return(_gameSize.Height - SnakeHead.GetPosition().Y);
default:
throw new ArgumentOutOfRangeException(nameof(direction), direction, null);
}
}
public int GetFoodDistance(Direction direction)
{
int FixNegative(int value) => value < 0 ? Math.Abs(value) * 2 : value;
switch (direction)
{
case Direction.Left:
return(FixNegative(SnakeHead.GetPosition().X - CurrentFood.GetPosition().X));
case Direction.Right:
return(FixNegative(CurrentFood.GetPosition().X - SnakeHead.GetPosition().X));
case Direction.Up:
return(FixNegative(SnakeHead.GetPosition().Y - CurrentFood.GetPosition().Y));
case Direction.Down:
return(FixNegative(CurrentFood.GetPosition().Y - SnakeHead.GetPosition().Y));
default:
throw new ArgumentOutOfRangeException(nameof(direction), direction, null);
}
}