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use serde::{Deserialize, Serialize};
use std::fmt::Debug;
/// Model for working with local (system) distances. Expects the value to be in LS.
#[derive(Serialize, Deserialize, Clone, PartialEq)]
pub struct LocalDistance(pub f32);
impl LocalDistance {
/// Returns the distance in light seconds.
pub fn as_ls(&self) -> f32 {
self.0
}
/// Returns the distance in astronomical units.
pub fn as_au(&self) -> f32 {
self.0 / 500.0
}
/// Returns the distance in light years.
pub fn as_ly(&self) -> f32 {
self.0 / 31555695.8031
}
/// Creates a new distance from the given amount of light years.
pub fn from_ly(ly: f32) -> Self {
LocalDistance(ly * 31555695.8031)
}
}
impl Debug for LocalDistance {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(
f,
"{} ls ({} au / {} ly)",
self.0,
self.as_au(),
self.as_ly()
)
}
}