set up controller look

scripts/gun.gd

@@ -89,6 +89,7 @@ func shoot(delta):
 			audio_fire.pitch_scale = 1 + rng.randf_range(-fire_pitch_scale_amt,fire_pitch_scale_amt) 
 			audio_fire.play()
 			anim_player.play("shoot")
+			vibration()
 			bullet_fire()
 			hitscan_fire()
 			spawn_casing()
@@ -169,3 +170,6 @@ func hitscan_fire():
 
 func swapped_out():
 	queue_free()
+
+func vibration():
+	Input.start_joy_vibration(0,.1,.5,.1)