DynamicPapersUpdater

using UnityEngine;
using System.Collections;
using System.Collections.Generic;

public class DynamicPapersUpdater : MonoBehaviour {

    public GameObject FrontPagePrefab;
    public GameObject BackPagePrefab;
    public BookPro book;
    // Use this for initialization
    void Start () {
	
	}
	public void AddPaper()
    {
        GameObject frontPage = Instantiate(FrontPagePrefab);
        GameObject backPage = Instantiate(BackPagePrefab);
        frontPage.transform.SetParent(book.transform,false);
        backPage.transform.SetParent(book.transform, false);
        Paper newPaper = new Paper();
        newPaper.Front = frontPage;
        newPaper.Back = backPage;
        Paper[] papers = new Paper[book.papers.Length + 1];
        for(int i=0;i< book.papers.Length;i++)
        {
            papers[i] = book.papers[i];
        }
        papers[papers.Length-1] = newPaper;
        book.papers = papers;
        //update the flipping range to contain the new added paper
        book.EndFlippingPaper = book.papers.Length - 1;
        book.UpdatePages();
    }
    public void RemovePaperAt(int index)
    {
        if(index>=0&&index<book.papers.Length)
        {
            List<Paper> papers = new List<Paper>(book.papers);
            Paper paperToDestroy = papers[index];
            papers.RemoveAt(index);
            book.papers = papers.ToArray();
            if (book.currentPaper >= book.papers.Length)
                book.currentPaper = book.papers.Length - 1;
            book.EndFlippingPaper = book.papers.Length - 1;
            Destroy(paperToDestroy.Back);
            Destroy(paperToDestroy.Front);
            book.UpdatePages();
        }
    }
	// Update is called once per frame
	void Update () {
	
	}
}