#[derive(PartialEq, Debug)]
pub struct Position {
    level: usize,
    x: usize,
    y: usize,
}

impl Position {
    pub fn new(level: usize, x: usize, y: usize) -> Self {
        Self {
            level,
            x,
            y,
        }
    }
    pub fn change(&mut self, dx: i16, dy: i16) {
        self.x = ((self.x as i16) + dx) as usize;
        self.y = ((self.y as i16) + dy) as usize;
    }
    pub fn set(&mut self, level: usize, x: usize, y: usize) {
        self.level = level;
        self.x = x;
        self.y = y;
    }

    pub fn get_level(&self) -> usize {
        self.level
    }

    pub fn get_x(&self) -> usize {
        self.x
    }

    pub fn get_y(&self) -> usize { self.y }
}