using UnityEngine;
using System.Collections;

public class main_camera : MonoBehaviour {

    private Vector2 velocity;

    public float smoothTimeX;
    public float smoothTimeY;

    public float cameraSize;
    public float newCameraSize;

    public GameObject focusOn;

    public float vel;
    public float sT = 0.1f;

    // Use this for initialization
    void Start () {
        cameraSize = Camera.main.orthographicSize;
        newCameraSize = cameraSize;
    }

    public void Info(GameObject fO, float sTX, float sTY, float nCS){
        focusOn = fO;
        smoothTimeX = sTX;
        smoothTimeY = sTY;
        if (nCS != 0) {
            newCameraSize = nCS;
        }
    }

    void FixedUpdate(){
        float posX = Mathf.SmoothDamp (transform.position.x, focusOn.transform.position.x, ref velocity.x, smoothTimeX);
        float posY = Mathf.SmoothDamp (transform.position.y, focusOn.transform.position.y, ref velocity.y, smoothTimeY);

        float cSize = Mathf.SmoothDamp (cameraSize, newCameraSize, ref vel,  sT);
		cameraSize = cSize;

        transform.position = new Vector3 (posX, posY, transform.position.z);

        Camera.main.orthographicSize = cSize;
    }
}