add player stats and camera shaking on damage

scripts/projectiles/projectile.gd

@@ -43,9 +43,7 @@ func _physics_process(delta: float) -> void:
 	var speed_squash := clampf(
 		_velocity.length() / _speed_stretch_factor, 0, MAX_STRETCH
 	)
-	_model_base.scale = Vector3(
-		1 - speed_squash, 1 - speed_squash, 1 + speed_squash
-	)
+	_model_base.scale = Vector3(1 - speed_squash, 1 - speed_squash, 1 + speed_squash)
 
 
 func init(velocity: Vector3, start_position: Vector3, lifetime: float = 10) -> void:
@@ -62,6 +60,8 @@ func set_velocity(velocity: Vector3) -> void:
 func _on_body_entered(node: Node3D) -> void:
 	if node is Player:
 		queue_free()
+		var player := node as Player
+		player.stats.damage()
 		return
 
 	if node is CollisionObject3D: