fix camera angles to prevent char from disappearing

src/camera.rs

@@ -30,12 +30,17 @@ struct CameraUi;
 pub struct MainCamera {
     dir: Dir3,
     distance: f32,
+    target_offset: Vec3,
 }
 
 impl MainCamera {
     fn new(arm: Vec3) -> Self {
         let (dir, distance) = Dir3::new_and_length(arm).expect("invalid arm length");
-        Self { dir, distance }
+        Self {
+            dir,
+            distance,
+            target_offset: Vec3::new(0., 2., 0.),
+        }
     }
 }
 
@@ -57,7 +62,7 @@ pub fn plugin(app: &mut App) {
 fn startup(mut commands: Commands) {
     commands.spawn((
         Camera3d::default(),
-        MainCamera::new(Vec3::new(0., 2.5, -13.)),
+        MainCamera::new(Vec3::new(0., 1.8, -15.)),
         CameraRotationInput::default(),
     ));
 }
@@ -120,14 +125,14 @@ fn update(
         return;
     }
 
-    let target = target_q.translation;
-
     let arm_tf = arm_rotation;
 
     let Ok((camera, mut cam_transform, cam_rotation_input)) = cam.single_mut() else {
         return;
     };
 
+    let target = target_q.translation + camera.target_offset;
+
     let direction = arm_tf.rotation * Quat::from_rotation_y(cam_rotation_input.x) * camera.dir;
 
     let max_distance = camera.distance;