using UnityEngine;
using System.Collections;

public class PlaneAnimation : MonoBehaviour {

	public float frameRate = 30f;
	public float currentFrame = 0;
	public bool loop;

	public Texture[] textures;

	private float startTime;
	private float duration;

	private bool endFristTime = false;
	public bool removeWhenEnd = false;

	// Use this for initialization
	void Start () {
		startTime = GameTime.time;
		duration = textures.Length / frameRate;
	}
	
	// Update is called once per frame
	void FixedUpdate () 
	{
		float oldFrame = currentFrame;
		float offset = (GameTime.time - startTime) % duration;
		currentFrame = Mathf.Floor(textures.Length * offset / duration);

		if (loop) 
		{
			GetComponent<Renderer>().material.mainTexture = textures [(int)currentFrame];
		} 
		else 
		{
			if(!endFristTime)
			{
				if (currentFrame < oldFrame) 
				{
					endFristTime = true;
					if(removeWhenEnd)
					{
						Destroy(this.gameObject);
					}
				}
				else
				{
					GetComponent<Renderer>().material.mainTexture = textures [(int)currentFrame];
				}
			}
		}
	}
}