TextureLooper.cs

using UnityEngine;
using System.Collections;

public class TextureLooper : MonoBehaviour
{
	//An array of Objects that stores the results of the Resources.LoadAll() method
	private Object[] objects;
	//Each returned object is converted to a Texture and stored in this array
	private Texture[] textures;
	//With this Material object, a reference to the game object Material can be stored
	private Material goMaterial;
	//An integer to advance frames
	private int frameCounter = 0;


    public string texture = "Sequence000";

    public void Init(string newTexture)
    {
    	this.texture = newTexture;
    	Debug.Log("Setting Texture to: " + this.texture);
    }

    protected virtual void Awake()
	{
		//Get a reference to the Material of the game object this script is attached to
		this.goMaterial = this.GetComponent<Renderer>().material;
	}

	public void Start()
	{
		//Load all textures found on the Sequence folder, that is placed inside the resources folder
		Debug.Log("Loading Texture: " + this.texture);
		this.objects = Resources.LoadAll(this.texture, typeof(Texture));

		//Initialize the array of textures with the same size as the objects array
		this.textures = new Texture[objects.Length];

		//Cast each Object to Texture and store the result inside the Textures array
		for (int i = 0; i < objects.Length; i++)
		{
			this.textures[i] = (Texture)this.objects[i];
		}
	}

	void Update()
	{
		//Call the 'PlayLoop' method as a coroutine with a 0.04 delay
		StartCoroutine("PlayLoop", 0.04f);
		//Set the material's texture to the current value of the frameCounter variable
		goMaterial.mainTexture = textures[frameCounter];

	}

	//The following methods return a IEnumerator so they can be yielded:
	//A method to play the animation in a loop
	IEnumerator PlayLoop(float delay)
	{
		//Wait for the time defined at the delay parameter
		yield return new WaitForSeconds(delay);

		//Advance one frame
		frameCounter = (++frameCounter) % textures.Length;

		//Stop this coroutine
		StopCoroutine("PlayLoop");
	}

	//A method to play the animation just once
	IEnumerator Play(float delay)
	{
		//Wait for the time defined at the delay parameter
		yield return new WaitForSeconds(delay);

		//If the frame counter isn't at the last frame
		if (frameCounter < textures.Length - 1)
		{
			//Advance one frame
			++frameCounter;
		}

		//Stop this coroutine
		StopCoroutine("PlayLoop");
	}

}