gizmo.cs

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


public class gizmo : MonoBehaviour {

public Color color = new Color(0.985f, 0.022f, 0.022f, 0.2f);
public List<GameObject> targets = new List<GameObject>();
public Vector3 size = new Vector3(1,1,0);

void OnDrawGizmos()
{
	Gizmos.color = color;
	Gizmos.DrawCube(transform.position, size);

	if (targets.Count > 0 )
	{
		for (int i = 0; i < targets.Count; i++)
		{
			Gizmos.DrawLine(transform.position, targets[i].transform.position);
		}
	}
}

public GameObject GetRandomTarget()
{
	if (targets.Count == 0)
		return null;

	return targets[Random.Range(0, targets.Count)];

}

public GameObject GetTargetAt(int index)
{
		if (targets.Count == 0)
			return null;

		return targets[index];
	               }





	// Use this for initialization
	void Start () {
	
	}
	
	// Update is called once per frame
	void Update () {
	
	}
}