moons 0.0.3

Moon celestial simulation crate for the MilkyWay SolarSystem workspace
Documentation 
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#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Mountain {
    pub name: &'static str,
    pub elevation_m: f64,
    pub slope_deg: f64,
}

impl Mountain {
    pub fn relief_energy(&self) -> f64 {
        self.elevation_m * self.slope_deg.to_radians().tan()
    }
}

pub fn mons_huygens() -> Mountain {
    Mountain {
        name: "Mons Huygens",
        elevation_m: 5_500.0,
        slope_deg: 27.0,
    }
}

pub fn leibnitz_beta() -> Mountain {
    Mountain {
        name: "Leibnitz Beta",
        elevation_m: 6_500.0,
        slope_deg: 32.0,
    }
}