~starkingdoms/starkingdoms

ref: bbebd80572becebb0fd7e9dda1dc643ce6e6a271 starkingdoms/server/src/orbit/vis_viva.rs -rw-r--r-- 209 bytes
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pub fn vis_viva(
    distance_between_centers: f64,
    semi_major: f64,
    g: f64,
    mass_of_bigger: f64,
) -> f64 {
    (g * mass_of_bigger * (2.0 / distance_between_centers - 1.0 / semi_major)).sqrt()
}