1 files changed, 11 insertions, 21 deletions

diff --git a/src/tacmap/body_render.rs b/src/tacmap/body_render.rs
index 92ac13f..23a04c9 100644
--- a/src/tacmap/body_render.rs
+++ b/src/tacmap/body_render.rs
@@ -1,7 +1,8 @@
 use std::error::Error;
 
-use crate::solar_system::Kilometers;
-use crate::timeman::{SYSTEM_TICK_INTERVAL, Second};
+use crate::solar_system::{Kilometers};
+use crate::solar_system::body::OrbitalBody;
+use crate::timeman::{Second};
 use crate::wgpuctx::{WgpuCtx, pipeline::RenderPipelineBuilder};
 
 use super::*;
@@ -9,7 +10,7 @@ use super::*;
 pub struct BodyRenderer
 {
     needs_rebuild: bool,
-    last_time: Option<Second>,
+    last_tick: Option<i64>,
 
     pipeline: wgpu::RenderPipeline,
 
@@ -35,7 +36,7 @@ impl BodyRenderer
 
         Self {
             needs_rebuild: true,
-            last_time: None,
+            last_tick: None,
             pipeline: render_pipeline,
             body_instance_buffer: None
         }
@@ -75,7 +76,7 @@ impl BodyRenderer
             }
         );
 
-        self.last_time = None;
+        self.last_tick = None;
         self.body_instance_buffer = Some((bodies.len(), buffer));
     }
 
@@ -88,23 +89,12 @@ impl BodyRenderer
     {
         //If the last updated time is the same, we don't need to update
         //the positions of all the bodies.
-        if self.last_time.is_some_and(|last_time| { last_time == time }) {
+        let tick = time / OrbitalBody::TICK_DURATION;
+        if self.last_tick.is_some_and(|last_tick| { last_tick == tick }) {
             return Ok(());
         }
 
-        //Round to the nearest tick
-        let tick_time = match self.last_time {
-            Some(last_time) => {
-                let this_tick = time / SYSTEM_TICK_INTERVAL;
-                let last_tick = last_time / SYSTEM_TICK_INTERVAL;
-
-                if this_tick == last_tick { return Ok(()) }
-                this_tick * SYSTEM_TICK_INTERVAL
-            }
-            None => 0
-        };
-
-        self.last_time = Some(time);
+        self.last_tick = Some(time);
 
         let (_, bodies_buffer) = match &self.body_instance_buffer {
             Some(tuple) => tuple,
@@ -113,11 +103,11 @@ impl BodyRenderer
 
         let bodies = solar_system.bodies();
         let body_instances = bodies.iter().map(|body| {
-            let position = body.relative_position();
+            let position = body.relative_position(time);
             let origin = match body.get_orbit() {
                 Some(orbit) => {
                     let origin_body = &bodies[orbit.parent()];
-                    origin_body.relative_position()
+                    origin_body.relative_position(time)
                 },
                 None => cgmath::Vector3::new(0.0, 0.0, 0.0)
             };