Avian & BTB upgrade (#40)

src/character.rs

@@ -4,13 +4,31 @@ use crate::{
 use bevy::{
     ecs::system::SystemParam, platform::collections::HashMap, prelude::*, scene::SceneInstanceReady,
 };
-use std::time::Duration;
+use std::{f32::consts::PI, time::Duration};
 
 #[derive(Component, Debug)]
 pub struct ProjectileOrigin;
 
 #[derive(Component, Debug)]
-pub struct AnimatedCharacter(pub usize);
+pub struct AnimatedCharacter {
+    head: usize,
+    rotate_180: bool,
+}
+
+impl AnimatedCharacter {
+    pub fn new(head: usize) -> Self {
+        Self {
+            head,
+            rotate_180: false,
+        }
+    }
+
+    pub fn with_rotation(self) -> Self {
+        let mut s = self;
+        s.rotate_180 = true;
+        s
+    }
+}
 
 #[derive(Component, Debug)]
 struct AnimatedCharacterAsset(pub Handle<Gltf>);
@@ -59,7 +77,7 @@ fn spawn(
     heads_db: Res<HeadsDatabase>,
 ) {
     for (entity, character) in query.iter() {
-        let key = heads_db.head_key(character.0);
+        let key = heads_db.head_key(character.head);
 
         let handle = assets
             .characters
@@ -71,10 +89,17 @@ fn spawn(
             });
         let asset = gltf_assets.get(handle).unwrap();
 
+        let mut t =
+            Transform::from_translation(Vec3::new(0., -1.45, 0.)).with_scale(Vec3::splat(1.2));
+
+        if character.rotate_180 {
+            t.rotate_y(PI);
+        }
+
         commands
             .entity(entity)
             .insert((
-                Transform::from_translation(Vec3::new(0., -1.45, 0.)).with_scale(Vec3::splat(1.2)),
+                t,
                 SceneRoot(asset.scenes[0].clone()),
                 AnimatedCharacterAsset(handle.clone()),
             ))