fix missile trails (#81)

added replicated `SpawnTrail` that acts as a marker and gets picked up by the client to create the visuals.

crates/shared/src/abilities/missile.rs

@@ -5,7 +5,7 @@ use crate::{
     heads_database::HeadsDatabase,
     physics_layers::GameLayer,
     protocol::{GltfSceneRoot, PlaySound},
-    utils::{global_observer, trail::Trail},
+    utils::{global_observer, trail::SpawnTrail},
 };
 use avian3d::prelude::*;
 use bevy::prelude::*;
@@ -15,7 +15,8 @@ use std::f32::consts::PI;
 const MAX_SHOT_AGES: f32 = 15.;
 const MISSLE_SPEED: f32 = 3.;
 
-#[derive(Component)]
+#[derive(Component, Reflect)]
+#[reflect(Component)]
 struct MissileProjectile {
     time: f32,
     damage: u32,
@@ -40,7 +41,6 @@ fn on_trigger_missile(
     query_transform: Query<&Transform>,
     time: Res<Time>,
     heads_db: Res<HeadsDatabase>,
-    mut gizmo_assets: ResMut<Assets<GizmoAsset>>,
 ) {
     let state = trigger.event().0;
 
@@ -66,6 +66,13 @@ fn on_trigger_missile(
             time: time.elapsed_secs(),
             damage: head.damage,
         },
+        SpawnTrail::new(
+            12,
+            LinearRgba::rgb(1., 0.0, 0.),
+            LinearRgba::rgb(0.9, 0.9, 0.),
+            10.,
+        )
+        .init_with_pos(),
         Collider::capsule_endpoints(0.4, Vec3::new(0., 0., 2.), Vec3::new(0., 0., -2.)),
         CollisionLayers::new(
             LayerMask(GameLayer::Projectile.to_bits()),
@@ -77,29 +84,11 @@ fn on_trigger_missile(
         Visibility::default(),
         transform,
         Replicated,
-        children![
-            (
-                Transform::from_rotation(Quat::from_rotation_x(PI / 2.).inverse()),
-                GltfSceneRoot::Projectile("missile".to_string()),
-                Replicated,
-            ),
-            (
-                Trail::new(
-                    12,
-                    LinearRgba::rgb(1., 0.0, 0.),
-                    LinearRgba::rgb(0.9, 0.9, 0.)
-                )
-                .with_pos(transform.translation),
-                Gizmo {
-                    handle: gizmo_assets.add(GizmoAsset::default()),
-                    line_config: GizmoLineConfig {
-                        width: 10.,
-                        ..default()
-                    },
-                    ..default()
-                },
-            )
-        ],
+        children![(
+            Transform::from_rotation(Quat::from_rotation_x(PI / 2.).inverse()),
+            GltfSceneRoot::Projectile("missile".to_string()),
+            Replicated
+        )],
     ));
 }