1 files changed, 12 insertions(+), 2 deletions(-)

M crates/unified/src/client/starguide/orbit.rs

@@ 29,14 29,24 @@ fn update_orbits(
     let Projection::Orthographic(ref projection) = camera.2.clone() else { return };
     image.clear(&(Color::BLACK.to_srgba().to_u8_array()));
 
-    let mut p_mass = 1.0;
+    let mut p_mass = 0.0;
     let mut p_transform = Transform::default();
+    let (sun_mass, _, sun_transform) = planets.iter().filter(|planet| planet.1.name == "Sun").next().unwrap();
     for (mass, planet, transform) in planets {
-        if planet.name == "Earth" {
+        if planet.name == "Sun" { continue }
+
+        let a = sun_transform.translation - transform.translation;
+        let hill_sphere = a.length()*(mass.0/(3.0*(sun_mass.0+mass.0))).powf(1.0/3.0);
+        if hill_sphere > (me.0.translation - transform.translation).length() {
             p_mass = mass.0;
             p_transform = *transform;
+            break;
         }
     }
+    if p_mass == 0.0 {
+        p_mass = sun_mass.0;
+        p_transform = *sun_transform;
+    }
 
     // orbit magic
     let rel_pos = me.0.translation - p_transform.translation;