add ring to all gas giants

src/commands.rs

@@ -828,10 +828,11 @@ fn spawn_entities(
             }
 
             if state.has_ring {
+                let ring_radius = state.model_scale * (nature::JUPITER_RING_RADIUS / nature::JUPITER_RADIUS) as f32;
                 commands.spawn((
                     world::DespawnOnPlayerDeath,
                     MaterialMeshBundle {
-                        mesh: meshes.add(Mesh::from(Cylinder::new(nature::JUPITER_RING_RADIUS as f32, 1.0))),
+                        mesh: meshes.add(Mesh::from(Cylinder::new(ring_radius, 1.0))),
                         material: materials_jupiter.add(load::JupitersRing {
                             alpha_mode: AlphaMode::Blend,
                             ring_radius: nature::JUPITER_RING_RADIUS as f32,

src/data/defs.txt

@@ -203,6 +203,7 @@ actor 0 0 0
         name Saturn
         planet yes
         sphere yes
+        ring yes
         physics off
         scale 58232e3
         axialtilt 26.73
@@ -217,6 +218,7 @@ actor 0 0 0
         name Uranus
         planet yes
         sphere yes
+        ring yes
         physics off
         scale 25362e3
         axialtilt 82.23
@@ -231,6 +233,7 @@ actor 0 0 0
         name Neptune
         planet yes
         sphere yes
+        ring yes
         physics off
         scale 24622e3
         axialtilt 28.32