casings integrate player velocity, can't pick up already held guns

scripts/revolver_1.gd

@@ -177,6 +177,7 @@ func spawn_casings():
 			instance_casing.position = i.global_position
 			instance_casing.random_rotation = false
 			instance_casing.transform.basis = i.global_transform.basis
+			instance_casing.player_velocity = player.velocity * transform.basis
 			instance_casing.rotation.x += deg_to_rad(90)
 			instance_casing.linear_velocity.y = -(8 + rng.randf_range(0,3))
 			get_tree().get_root().add_child(instance_casing)