UI Image and Text color fade

UIFadeEffect.cs

/* Fade all current object anc child images & texts, code needs cleaning up.. */

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class UIFadeEffect : MonoBehaviour 
{
	public bool destroyRootAfterFade=false;

	void Start () {
		StartCoroutine(Fade(fadeSpeed));
	}
	
	IEnumerator Fade(float duration)
	{

		var images = GetComponentsInChildren<Image>();
		var texts = GetComponentsInChildren<Text>();

		Color[] origImageColors = new Color[images.Length];
		Color[] origImageColorsEnd = new Color[images.Length];
		Color[] origTextColors = new Color[texts.Length];
		Color[] origTextColorsEnd = new Color[texts.Length];

		int j = 0;
		foreach (var item in images) {
			origImageColors[j] = images[j].color;
			origImageColorsEnd[j] = new Color(images[j].color.r,images[j].color.g,images[j].color.b,0);
			j++;
		}
		j = 0;
		foreach (var item in texts) {
			origTextColors[j] = texts[j].color;
			origTextColorsEnd[j] = new Color(texts[j].color.r,texts[j].color.g,texts[j].color.b,0);
			j++;
		}

		for (float timer = 0; timer < duration; timer += Time.deltaTime)
		{
			for (int i = 0; i < images.Length; i++) 
			{
				if (images.Length>=i) images[i].color = Color.Lerp(origImageColors[i],origImageColorsEnd[i],timer/duration);
				if (texts.Length>=i) texts[i].color =Color.Lerp(origTextColors[i],origTextColorsEnd[i],timer/duration);
			}
			yield return 0;
		}

		if (destroyRootAfterFade) Destroy(gameObject.transform.root.gameObject);

	}
	
}