use immense::*;
use itertools::iproduct;
use noise::{Fbm, NoiseFn};
use rand::*;
use std::fs::File;

const GRID: usize = 100;

fn main() {
    let fbm = Fbm::new();
    let rule = iproduct!((0..GRID), (0..GRID)).fold(Rule::new(), |rule, (i, j)| {
        let (u, v) = (i as f64 / GRID as f64, j as f64 / GRID as f64);
        rule.push(
            tf![
                Tf::t(i as f32, 0.0, j as f32),
                Tf::sby(1.0, 1.0 + (fbm.get([u, v]) as f32).abs() * 80.0, 1.0)
            ],
            cube(),
        )
    });
    let mut output = File::create("noiseland.obj").expect("obj file");
    write_meshes(
        ExportConfig {
            grouping: MeshGrouping::Individual,
            ..ExportConfig::default()
        },
        rule.generate(),
        &mut output,
    )
    .expect("rendered scene");
}