use std::ops::Add;
use rand::Rng;
use serde::Serialize;

pub mod walker;
pub mod grid;
pub mod model;
pub mod nd;
mod hexagonal;

pub trait GriddedPosition: Add<Output=Self> + Serialize + Clone {
    const NEIGHBOURS: u32;

    fn zero() -> Self;
    fn spawn<R: Rng>(rng: &mut R, radius: f32) -> Self;
    fn abs(&self) -> f32;
    fn neighbour(&self, neighbour_index: u32) -> Self;
    fn linear_index(&self, grid_size: u32) -> usize;
}

pub trait Storage<P: GriddedPosition> {
    fn at(&self, position: &P) -> bool;
    fn deposit(&mut self, position: &P);
}