siege-song/Data/Assets/Malbers Animations/Common/Scripts/AI/FollowTarget.cs

using UnityEngine;

namespace MalbersAnimations
{
    [AddComponentMenu("Malbers/AI/Follow Target")]

    /// <summary> Simple follow target for the animal </summary>
    public class FollowTarget : MonoBehaviour
    {
        public Transform target;
        public float stopDistance = 3;
        ICharacterMove animal;

        // Use this for initialization
        void Start()
        {
            animal = GetComponentInParent<ICharacterMove>();
        }

        // Update is called once per frame
        void Update()
        {
            Vector3 Direction = target.position - transform.position;               //Calculate the direction from the animal to the target
            float distance = Vector3.Distance(transform.position, target.position); //Calculate the distance..
            animal.Move(distance > stopDistance ? Direction : Vector3.zero);        //Move the Animal if we are not on the Stop Distance Radius
        }

        private void OnDisable()
        {
            animal.Move(Vector3.zero);      //In case this script gets disabled stop the movement of the Animal
        }
    }
}