#[derive(Copy, Clone, PartialEq, Eq, Debug)]
pub enum Direction {
Up,
UpRight,
Right,
DownRight,
Down,
DownLeft,
Left,
UpLeft,
}
pub const NUM_LINES: usize = 4;
pub const ALL_LINE: [Direction; NUM_LINES] = [
Direction::Up,
Direction::Right,
Direction::Down,
Direction::Left,
];
pub const NUM_DIAGONAL: usize = 4;
pub const ALL_DIAGONAL: [Direction; NUM_DIAGONAL] = [
Direction::UpRight,
Direction::DownRight,
Direction::DownLeft,
Direction::UpLeft,
];
pub const NUM_DIRECTION: usize = NUM_LINES + NUM_DIAGONAL;
pub const ALL_DIRECTION: [Direction; NUM_DIRECTION] = [
Direction::Up,
Direction::UpRight,
Direction::Right,
Direction::DownRight,
Direction::Down,
Direction::DownLeft,
Direction::Left,
Direction::UpLeft,
];
impl Direction {
pub fn has(&self, direction: Direction) -> bool {
if *self == direction {
return true;
}
match *self {
Direction::UpRight => matches!(direction, Direction::Up | Direction::Right),
Direction::DownRight => matches!(direction, Direction::Down | Direction::Right),
Direction::DownLeft => matches!(direction, Direction::Down | Direction::Left),
Direction::UpLeft => matches!(direction, Direction::Up | Direction::Left),
_ => false,
}
}
}