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use crate::game_of_life::opts::Opts;
use crate::game_of_life::simulation::plane::Plane;
use std::ops::Index;
use super::circular_index;
/// Game of Life universe struct for running simulations
#[derive(Debug, Clone, PartialEq)]
pub(crate) struct Universe {
pub opts: Opts,
pub current: Vec<Plane>,
pub future: Vec<Plane>,
}
impl Index<isize> for Universe
{
type Output = Plane;
fn index(&self, idx: isize) -> &Plane {
let len = self.current.len() as isize;
&self.current[circular_index(idx, len)]
}
}
#[cfg(test)]
mod universe {
use super::*;
mod index {
use super::*;
#[test]
fn get_element() {
let opts = Opts {
seed: 1337,
input: None,
width: 13,
height: 13,
live_cell: 'L',
dead_cell: 'D',
delay: 13,
};
let u = Universe {
opts,
current: vec![
Plane(vec![false; 5]),
Plane(vec![false, false, true, false, false]),
Plane(vec![false; 5]),
],
future: vec![Plane(vec![])],
};
assert_eq!(u[-3][0], false);
assert_eq!(u[-3][1], false);
assert_eq!(u[-3][3], false);
assert_eq!(u[-3][4], false);
assert_eq!(u[0][0], false);
assert_eq!(u[0][1], false);
assert_eq!(u[0][3], false);
assert_eq!(u[0][4], false);
assert_eq!(u[2][0], false);
assert_eq!(u[2][1], false);
assert_eq!(u[2][3], false);
assert_eq!(u[2][4], false);
assert_eq!(u[5][0], false);
assert_eq!(u[5][1], false);
assert_eq!(u[5][3], false);
assert_eq!(u[5][4], false);
assert_eq!(u[-2][-3], true);
assert_eq!(u[-2][2], true);
assert_eq!(u[-2][7], true);
assert_eq!(u[1][-3], true);
assert_eq!(u[1][2], true);
assert_eq!(u[1][7], true);
assert_eq!(u[4][-3], true);
assert_eq!(u[4][2], true);
assert_eq!(u[4][7], true);
}
}
}
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