From dd5de0107163bc3ea3898c07089d00f82feeec5e Mon Sep 17 00:00:00 2001
From: Jon Santmyer <jon@jonsantmyer.com>
Date: Sun, 3 May 2026 18:37:35 -0400
Subject: add tick and subtick system for solar system orbit updates

---
 src/solar_system.rs | 34 +++++++++++++---------------------
 1 file changed, 13 insertions(+), 21 deletions(-)

(limited to 'src/solar_system.rs')

diff --git a/src/solar_system.rs b/src/solar_system.rs
index df1d246..f4ca9ae 100644
--- a/src/solar_system.rs
+++ b/src/solar_system.rs
@@ -41,7 +41,15 @@ pub struct SolarSystem
     id: SystemId,
     name: String,
     bodies: Vec<OrbitalBody>,
-    time: Option<Second>
+}
+
+pub fn update_systems(
+    solar_systems: std::slice::IterMut<'_, SolarSystem>,
+    time: Second)
+{
+    for system in solar_systems {
+        system.update(time);
+    }
 }
 
 impl SolarSystem
@@ -66,6 +74,7 @@ impl SolarSystem
                 }
                 None => {}
             }
+            if record.radius == 0.0 { continue; }
             println!("New body: {:?}", record);
 
             bodies.push(OrbitalBody { 
@@ -78,7 +87,6 @@ impl SolarSystem
             id: id,
             name: bodies[0].name().clone(),
             bodies: bodies,
-            time: None
         })
     }
 
@@ -103,16 +111,6 @@ impl SolarSystem
         self.bodies.as_slice()
     }
 
-    fn update_bodies(
-        &mut self,
-        time: Second)
-    {
-        self.bodies.iter_mut().for_each(|body| {
-            body.position = Some(body.calculate_orbit_at(time));
-        });
-        self.time = Some(time);
-    }
-
     pub fn body_position(
         &self,
         body: &OrbitalBody)
@@ -132,15 +130,9 @@ impl SolarSystem
         &mut self,
         time: Second)
     {
-        match self.time {
-            Some(cache_time) => {
-                if cache_time == time { return; }
-                self.update_bodies(time);
-            }
-            None => {
-                self.update_bodies(time);
-            }
-        }
+        self.bodies.iter_mut().for_each(|body| {
+            body.position = Some(body.calculate_orbit_at(time));
+        });
     }
 }
 
-- 
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