Head select (#4)

src/main.rs

@@ -1,6 +1,7 @@
 mod alien;
 mod camera;
 mod cash;
+mod heads_ui;
 mod player;
 mod tb_entities;
 
@@ -22,6 +23,7 @@ struct DebugVisuals {
     pub tonemapping: Tonemapping,
     pub exposure: f32,
     pub shadows: bool,
+    pub cam_follow: bool,
 }
 
 #[derive(Component, Debug)]
@@ -36,6 +38,7 @@ fn main() {
         tonemapping: Tonemapping::None,
         exposure: 1.,
         shadows: true,
+        cam_follow: true,
     });
 
     app.add_plugins(DefaultPlugins.set(ImagePlugin {
@@ -43,7 +46,7 @@ fn main() {
     }));
 
     app.add_plugins(PhysicsPlugins::default());
-    app.add_plugins(PhysicsDebugPlugin::default());
+    // app.add_plugins(PhysicsDebugPlugin::default());
     app.add_plugins((
         TnuaControllerPlugin::new(FixedUpdate),
         TnuaAvian3dPlugin::new(FixedUpdate),
@@ -54,6 +57,7 @@ fn main() {
     app.add_plugins(alien::plugin);
     app.add_plugins(cash::plugin);
     app.add_plugins(player::plugin);
+    app.add_plugins(heads_ui::plugin);
 
     app.insert_resource(AmbientLight {
         color: Color::WHITE,