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

public class CameraZoom : MonoBehaviour
{
    public GameObject playah;
    public GameObject cameraPoint;

    public UnityEngine.UI.Text camZoomText;

    public float smoothTime = 1.5f;
    private float yVelocity = 0f;
    private Vector3 camVelocity = Vector3.zero;
    private float ballVelocityX;
    private float ballVelocityY;
    private float ballVelocity;


    void Start ()
    {

    }

    void Update ()
    {
        transform.position = Vector3.SmoothDamp (transform.position, cameraPoint.transform.position, ref camVelocity, smoothTime / 8f);



        ballVelocityX = playah.rigidbody2D.velocity.x;
        ballVelocityY = playah.rigidbody2D.velocity.y;

        if (ballVelocityX < 0f)
        {
            ballVelocityX = ballVelocityX * (-1);
        }
        if (ballVelocityY < 0f)
        {
            ballVelocityY = ballVelocityY * (-1);
        }
        ballVelocity = ballVelocityX + ballVelocityY;

        float zoomTarget = ballVelocity / 3;
        camera.orthographicSize = Mathf.SmoothDamp(camera.orthographicSize, zoomTarget, ref yVelocity, smoothTime);

        if (camera.orthographicSize < 4f)
        {
            camera.orthographicSize = 4f;
        }
        if (camera.orthographicSize > 7f)
        {
            camera.orthographicSize = 7f;
        }

        camZoomText.text = "Camera Zoom  (please ignore): " + camera.orthographicSize.ToString("0.##");
    }
}