From 974bf9cb8d4e7cd916aee0c8ed0cb6a7e4859258 Mon Sep 17 00:00:00 2001
From: yuni <hut@hut.pm>
Date: Sat, 8 Jun 2024 04:14:51 +0200
Subject: [PATCH] add feature flag for toggling the generic ring asteroids

---
 src/world.rs | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/src/world.rs b/src/world.rs
index 0c09de0..05d6d32 100644
--- a/src/world.rs
+++ b/src/world.rs
@@ -19,6 +19,7 @@ use bevy_xpbd_3d::prelude::*;
 use fastrand;
 use std::collections::HashMap;
 
+const ENABLE_ASTEROIDS: bool = true;
 const ASTEROID_UPDATE_INTERVAL: f32 = 0.1; // seconds
 const ASTEROID_SIZE_FACTOR: f32 = 10.0;
 const RING_THICKNESS: f64 = 8.0e6;
@@ -36,19 +37,21 @@ pub struct WorldPlugin;
 impl Plugin for WorldPlugin {
     fn build(&self, app: &mut App) {
         app.add_systems(Startup, setup);
-        app.add_systems(PostUpdate, handle_despawn);
-        app.add_systems(Update, spawn_despawn_asteroids);
         app.add_systems(Update, handle_respawn.run_if(on_event::<RespawnEvent>()));
         app.add_plugins(PhysicsPlugins::default());
         //app.add_plugins(PhysicsDebugPlugin::default());
         app.insert_resource(Gravity(DVec3::splat(0.0)));
-        app.insert_resource(AsteroidUpdateTimer(Timer::from_seconds(
-            ASTEROID_UPDATE_INTERVAL,
-            TimerMode::Repeating,
-        )));
         app.insert_resource(ActiveAsteroids(HashMap::new()));
-        app.add_event::<DespawnAsteroidEvent>();
         app.add_event::<RespawnEvent>();
+        if ENABLE_ASTEROIDS {
+            app.insert_resource(AsteroidUpdateTimer(Timer::from_seconds(
+                ASTEROID_UPDATE_INTERVAL,
+                TimerMode::Repeating,
+            )));
+            app.add_systems(Update, spawn_despawn_asteroids);
+            app.add_systems(PostUpdate, handle_despawn_asteroids);
+            app.add_event::<DespawnAsteroidEvent>();
+        }
     }
 }
 
@@ -344,7 +347,7 @@ fn spawn_despawn_asteroids(
     }
 }
 
-fn handle_despawn(
+fn handle_despawn_asteroids(
     mut commands: Commands,
     mut er_despawn: EventReader<DespawnAsteroidEvent>,
     mut db: ResMut<ActiveAsteroids>,