ExplosionTimedDestoryUnity

using UnityEngine;
using System.Collections;

/// <summary>
/// Explosion destroy.
/// This script sets a timed destroy counter.
/// </summary>

public class ExplosionDestroy : MonoBehaviour {

    //Variables Start

    private Transform myTransform;      //Quick Reference
    private float expireTime = 5;       //The lifetime of the explosion (GameObject)

    // Use this for initialization
    void Start () {
        //As soon as the explosion is created start a countdown to destroy it
        StartCoroutine (DestroyMyselfAfterSomeTime ());
    }

    // Update is called once per frame
    void Update () {

    }

    IEnumerator DestroyMyselfAfterSomeTime()
    {
        //Wait for the timer to count up to the expireTime and then destory the projectile
        yield return new WaitForSeconds (expireTime);
        Destroy (myTransform.gameObject);

    }
}