finish hello world just to be sure physics process werks

src/rust/src/player.rs

@@ -8,12 +8,16 @@ struct BreeLPlayer {
 #[godot_api]
 impl ISprite2D for BreeLPlayer {
    fn init(base: Base<Sprite2D>) -> Self {
-      eprintln!("init");
       BreeLPlayer{base: base}
    }
 
    fn physics_process(&mut self, delta: f64) {
-      eprintln!("physics_process({delta})");
+      let radians = (1.0 * delta) as f32;
+      self.base_mut().rotate(radians);
+
+      let rotation = self.base().get_rotation();
+      let velocity = Vector2::UP.rotated(rotation) * 200 as f32;
+      self.base_mut().translate(velocity * delta as f32);
    }
 }