use crate::{physics::Polar, Doodad, Sprite, Spriteable};
use cgmath::Deg;

pub struct System {
	bodies: Vec<Doodad>,
}

impl System {
	pub fn new() -> Self {
		let mut s = System { bodies: Vec::new() };

		s.bodies.push(Doodad {
			pos: (0.0, 0.0).into(),
			sprite: "a0".to_owned(),
			parallax: 3.0,
			height: 80.0,
		});

		s.bodies.push(Doodad {
			pos: Polar {
				center: (0.0, 0.0).into(),
				radius: 100.0,
				angle: Deg { 0: 31.0 },
			}
			.to_cartesian(),
			sprite: "earth".to_owned(),
			parallax: 1.0,
			height: 120.0,
		});

		s.bodies.push(Doodad {
			pos: Polar {
				center: (0.0, 0.0).into(),
				radius: 200.0,
				angle: Deg { 0: 270.0 },
			}
			.to_cartesian(),
			sprite: "small".to_owned(),
			parallax: -1.0,
			height: 50.0,
		});

		return s;
	}

	pub fn sprites(&self) -> Vec<Sprite> {
		return self.bodies.iter().map(|x| x.sprite()).collect();
	}
}