extern crate rand;
use rand::{thread_rng, Rng};

fn main() {
    let values = create_random_points(10, 10);
    println!("{:?}", values);
}

fn create_random_points(x: usize, y: usize) -> Vec<(usize, usize)> {
    let mut points: Vec<(usize, usize)> = vec![];

    for _x in 0..x {
        for _y in 0..y {
            points.push((_x, _y));
        }
    }

    let mut rng = thread_rng();
    let slice = points.as_mut_slice();
    rng.shuffle(slice);

    slice.to_vec()
}