Unity 2018 Artificial Intelligence Cookbook - Second Edition

How to do it...

We can now proceed to implement our facing algorithm that derives from Align:

1. Create the Face class along with a private auxiliary target member variable:

using UnityEngine; 
using System.Collections; 
 
public class Face : Align 
{ 
    protected GameObject targetAux; 
} 

2. Override the Awake function to set up everything and swap references:

public override void Awake() 
{ 
    base.Awake(); 
    targetAux = target; 
    target = new GameObject(); 
    target.AddComponent<Agent>(); 
} 

3. Also, implement the OnDestroy function to handle references and avoid memory issues:

void OnDestroy () 
{ 
    Destroy(target); 
}

4. Finally, define the GetSteering function:

public override Steering GetSteering() { Vector3 direction = targetAux.transform.position - transform.position; ...