fix gizmos, make them a feature

Cargo.toml

@@ -3,7 +3,8 @@ name = "audubon"
 version = "0.1.0"
 edition = "2021"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[features]
+gizmos = []
 
 [dependencies]
 argh = "0.1"

src/lib.rs

@@ -1,9 +1,9 @@
 use argh::FromArgs;
 use bevy::{
     prelude::{
-        BuildChildren, ButtonInput, Camera, ChildBuild, Color, Commands, Component, Deref,
-        DerefMut, Entity, Gizmos, Handle, KeyCode, Quat, Query, Res, ResMut, Resource, Scene,
-        SceneRoot, Time, Transform, Vec3, Visibility, With,
+        BuildChildren, ButtonInput, Camera, ChildBuild, Commands, Component, Deref, DerefMut,
+        Entity, Gizmos, Handle, KeyCode, Quat, Query, Res, ResMut, Resource, Scene, SceneRoot,
+        Time, Transform, Vec3, Visibility, With,
     },
     utils::{HashMap, HashSet},
 };
@@ -47,6 +47,9 @@ pub struct Toid {
     pub buddies: usize,
 }
 
+#[derive(Component)]
+pub struct Gizmoid;
+
 #[derive(Resource, Debug, Deref, DerefMut, Clone, Default)]
 pub struct Paused(bool);
 
@@ -73,11 +76,15 @@ pub fn turkey_time(
 
     commands
         .spawn(spatial_bundle)
-        .insert((Velocity(dir), Buddies::default(), Toid { speed, buddies }))
+        .insert((
+            Velocity(dir),
+            Buddies::default(),
+            Toid { speed, buddies },
+            Gizmoid,
+        ))
         .with_children(|t| {
             t.spawn(SceneRoot(scene.to_owned()))
                 .insert(Transform::from_rotation(boid_rot));
-            //.insert(Transform::default());
         })
         .id()
 }
@@ -204,16 +211,9 @@ pub fn update_buddies(
     }
 }
 
-pub fn update_gizmos(toids: Query<&Transform, With<Toid>>, mut gizmos: Gizmos) {
-    for toid in toids.iter() {
-        let pos = toid.translation;
-        //dbg!(toid);
-        let up = toid.up().as_vec3();
-        let forward = toid.forward().as_vec3();
-        let right = toid.right().as_vec3();
-        gizmos.ray(pos, pos + forward, Color::srgb_u8(255, 0, 0));
-        gizmos.ray(pos, pos + up, Color::srgb_u8(0, 0, 255));
-        gizmos.ray(pos, pos + right, Color::srgb_u8(0, 255, 0));
+pub fn update_gizmos(toids: Query<&Transform, With<Gizmoid>>, mut gizmos: Gizmos) {
+    for &toid in &toids {
+        gizmos.axes(toid, 0.7);
     }
 }
 

src/main.rs

@@ -35,12 +35,12 @@ fn main() {
         .insert_resource(LookAt::default())
         .insert_resource(Paused::default())
         .add_systems(Startup, (setup, setup_ambient_light))
-        //.add_systems(Update, update_gizmos)
         .add_systems(
             Update,
             (update_pos, update_buddies, update_vel).run_if(not_paused),
         )
         .add_systems(Update, (rotate_camera, close_on_esc))
+        .add_systems(Update, update_gizmos.run_if(do_gizmos))
         .run();
 }
 
@@ -123,3 +123,10 @@ fn setup_ambient_light(mut ambient_light: ResMut<AmbientLight>) {
 fn not_paused(paused: Option<Res<Paused>>) -> bool {
     !paused.map(|p| **p).unwrap_or(false)
 }
+
+fn do_gizmos() -> bool {
+    #[cfg(feature = "gizmos")]
+    return true;
+
+    false
+}