Animating our three-dimensional enemies

Here's a really easy, quick animation with the script for your enemies. Currently, the enemies just move up and down in a wave pattern. However, the units themselves remain static.

Let's give our enemies a bit of extra life with some code:

1. In the Project window, go to Assets/Prefab/Enemies.
2. Double-click on the enemy_wave prefab and select the enemy_wave_ring in the Hierarchy window.
3. In the Inspector window, click on the Add Component button.
4. Click on New Script at the bottom of the dropdown.
5. Name the new C# script BasicEnemyRotate.
6. Then, enter this code:

   using UnityEngine;
   public class BasicEnemyRotate : MonoBehaviour 
   {
    [SerializeField]
    float speed = 0;
   void Update ()
     {
      transform.Rotate(Vector3.left*Time.deltaTime*speed);
     }
   }

This is a tiny script that animates the part of our enemy. There are two things to look closely at:

• The variable is a private...