using UnityEngine;
using System.Collections;

public class Zoom : MonoBehaviour {
	public GameObject camera;
	public float speed;
	public float flOV;
	public float flOV1;
	public float deltaZoom;
	public bool upZoom;
	public bool downZoom;
	public float tmp;
	public bool a;
	void Start()
	{
		flOV = 30.0f;
		upZoom = false;
		downZoom = false;
		a = false;
	}
	void Update()
	{
		camera.GetComponent<Camera>().fieldOfView = flOV;
		if (a == true && upZoom == false && downZoom == false)
		{
			flOV = 99.99f;
		}
		if (a == false && upZoom == false && downZoom == false)
		{
			flOV = 30.0f;
		}
		if (upZoom == true)
		{
			flOV -= deltaZoom * speed * Time.deltaTime;
			if (flOV <= 15.0f)
			{
				flOV = 15.01f;
			}
		}
		if (downZoom == true)
		{
			flOV += deltaZoom * speed * Time.deltaTime;
			if (flOV >= 100.0f)
			{
				flOV = 99.99f;
			}
		}
		if (Input.GetMouseButtonDown(1))
		{
			if (a == true)
			{
				a = false;
			}
			else if (a == false)
			{
				a = true;
			}
		}
		tmp = Input.GetAxis("Mouse ScrollWheel");
		if (tmp > 0.0f)
		{
			upZoom = true;
		}
		if (tmp < 0.0f)
		{
			downZoom = true;
		}
		else if (tmp == 0.0f)
		{
			upZoom = false;
			downZoom = false;
		}
	}

}