Play animation when timescale is 0

PlayAnimationWithoutTimeScale.cs

using UnityEngine;
using System.Collections;

public class PlayAnimationWithoutTimeScale : MonoBehaviour {
	public Animation targetAnimation;
	public string stateName;
	AnimationState targetState;

	float lastRealTime = 0.0f;

	void Start(){
		if(targetAnimation == null)
			targetAnimation = GetComponent<Animation>();

		if(targetAnimation != null)
		{
			targetState = targetAnimation[stateName];
		}
	}

	void OnEnable(){
		lastRealTime = Time.time;
	}

	// This is one of the few events called regularly while Time.timeScale is 0.
	void Update () {
		if(targetState == null || Time.timeScale != 0)
			return;

		targetState.weight = 1;
		targetState.enabled = true;
		targetState.time += (Time.realtimeSinceStartup - lastRealTime);
			
		lastRealTime = Time.realtimeSinceStartup;
	}
}