pub const GAME_SCALE: f64 = 0.0001567865; // 1000 / EARTH_RADIUS_RL
pub const EARTH_RADIUS_RL: f64 = 6_378_100.0;
pub const EARTH_RADIUS: f64 = EARTH_RADIUS_RL * GAME_SCALE;
pub const MOON_RADIUS_RL: f64 = 1_737_400.0;
pub const MOON_RADIUS: f64 = MOON_RADIUS_RL * GAME_SCALE;