fixed attack in state machine

scripts/rocket.gd

@@ -45,10 +45,5 @@ func explode():
 			body.recoil.add_recoil(Vector3(1,.1,.1),10,10)
 		if body.has_method("hit") and !body.is_in_group("player"):
 			body.hit(1)
-		if body.is_in_group("enemy"):
-			body.knocked = true
-			body.stunned = true
-			print("knocked")
-			body.knocked_timer.start()
-			body.stunned_timer.start()
-			body.velocity += blast_velocity
+		if body is Enemy:
+			body.stun()