titanias 0.0.1

Titania celestial simulation crate for the MilkyWay SolarSystem workspace
Documentation 
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#[derive(Debug, Clone, Copy, PartialEq)]
pub struct ElevationSample {
    pub latitude_deg: f64,
    pub longitude_deg: f64,
    pub elevation_m: f64,
}

pub fn sample_dem(latitude_deg: f64, longitude_deg: f64) -> ElevationSample {
    let messina_bias =
        if (10.0..=30.0).contains(&latitude_deg) && (320.0..=350.0).contains(&longitude_deg) {
            -2_800.0
        } else {
            0.0
        };
    let rupes_bias = if latitude_deg.abs() > 50.0 {
        -600.0
    } else {
        0.0
    };
    let wave = latitude_deg.to_radians().sin() * 300.0 + longitude_deg.to_radians().cos() * 200.0;
    ElevationSample {
        latitude_deg,
        longitude_deg,
        elevation_m: messina_bias + rupes_bias + wave,
    }
}