pub fn set_up_track(
    mut commands: Commands,
    asset_server: Res<AssetServer>,
    mut meshes: ResMut<Assets<Mesh>>,
    mut images: ResMut<Assets<Image>>,
    mut mat: ResMut<Assets<StandardMaterial>>,
) {
    let texture_handle = asset_server.load_with_settings("checkerboard_albedo.png", |s: &mut _| {
        *s = ImageLoaderSettings {
            sampler: ImageSampler::Descriptor(ImageSamplerDescriptor {
                // rewriting mode to repeat image,
                address_mode_u: ImageAddressMode::Repeat,
                address_mode_v: ImageAddressMode::Repeat,
                ..default()
            }),
            ..default()
        }
    });
    let mut r = thread_rng();
    let mut curve_points = vec![];
    for _ in 0..10 {
        let point = vec3(
            (-0.5 + r.gen::<f32>()) * 200.0,
            (-0.5 + r.gen::<f32>()) * 200.0,
            (-0.5 + r.gen::<f32>()) * 200.0,
        );
        curve_points.push(point);
    }
    let track = Track::new(curve_points, 1.0, 16, 200);

    let mesh = track.mesh();
    let mut texture_mat = StandardMaterial::default();
    texture_mat.base_color_texture = Some(texture_handle.clone());
    commands.spawn(PbrBundle {
        mesh: meshes.add(mesh),
        material: mat.add(texture_mat),
        ..default()
    });
}