cohesion scaffold

src/main.rs

@@ -19,13 +19,32 @@ struct Boid;
 #[derive(Component, Default)]
 struct Velocity(Vec2);
 
+#[derive(Component, Default)]
+struct SeperationCache(Vec2);
+
+#[derive(Component, Default)]
+struct CohesionCache(Vec2);
+
+#[derive(Component, Default)]
+struct AlignmentCache(Vec2);
+
+#[derive(Bundle, Default)]
+struct BoidCacheBundle {
+    s_cache: SeperationCache,
+    c_cache: CohesionCache,
+    a_cache: AlignmentCache,
+}
+
 #[derive(Bundle, Default)]
 struct BoidBundle {
     mesh: MaterialMesh2dBundle<ColorMaterial>,
     velocity: Velocity,
     boid: Boid,
+    cache: BoidCacheBundle,
 }
 
+fn seperation(mut boids: Query<(&Transform, &mut SeperationCache), With<Boid>>) {}
+
 fn move_boids(mut boids: Query<(&mut Transform, &Velocity), With<Boid>>, time: Res<Time>) {
     for (mut transform, velocity) in &mut boids {
         transform.translation += velocity.0.extend(0.) * time.delta_seconds();