Crowd.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class Crowd : MonoBehaviour
{
    //each frame increment the npc index to only calculate one path per frame if length of npc array npc index = 0
    public GameObject npc, assassin, preacher;
    public List<NPC> assassinationTargets;
    public int NumberOfNPCS;
    public Transform avoidTarget;
    private int npcIndex;
    private NPC[] npcs;
    // Use this for initialization
    void OnEnable()
    {
        //temporary ints to tell them to spawn in formation
        int zVal = 0;
        int xVal = 0;

        npcIndex = 0;
        npcs = new NPC[NumberOfNPCS];
        for (int x = 0; x < npcs.Length; x++)
        {
            if (x % 50 == 0)
            {
                zVal++;
                xVal = 0;
            }
            xVal++;
            GameObject a = null;
            if (x < 5)
            {
                a = Instantiate(assassin.gameObject, new Vector3(transform.position.x + xVal * 2, 3, zVal * 10), Quaternion.identity) as GameObject;
            }
            else if (x > npcs.Length - 5)
            {
                a = Instantiate(preacher.gameObject, new Vector3(transform.position.x + xVal * 2, 3, zVal * 10), Quaternion.identity) as GameObject;
            }
            else
            {
                a = Instantiate(npc.gameObject, new Vector3(transform.position.x + xVal * 2, 3, zVal * 10), Quaternion.identity) as GameObject;
            }
            a.transform.parent = transform;
            npcs[x] = a.GetComponent<NPC>();
            npcs[x].crowd = this; // a little hacky
        }
    }

    // Update is called once per frame
    void Update()
    {
        CrowdUpdate();
        incrementNPCIndex();
    }
    private void CrowdUpdate()
    {
        npcs[npcIndex].decide();
    }
    private void incrementNPCIndex()
    {
        if (npcIndex < NumberOfNPCS - 1)
        {
            npcIndex++;
        }
        else
        {
            npcIndex = 0;
        }
    }
}