using UnityEngine;
using System.Collections;

public class CameraScript : MonoBehaviour
{
    private Transform[] playerTransform;
    public float yOffset;
    public float minDist;
    private float xMin, yMin, xMax, yMax;

    void Start()
    {
        GameObject[] players = GameObject.FindGameObjectsWithTag("Player");
        playerTransform = new Transform[players.Length];
        for (int i = 0; i < players.Length; i++)
        {
            playerTransform[i] = players[i].transform;
        }
    }

    void LateUpdate()
    {

        if (playerTransform.Length == 0)
        {
            Debug.Log("No Player");
            return;
        }

        xMin = xMax = playerTransform[0].position.x;
        yMin = yMax = playerTransform[0].position.x;

        for (int i = 0; i < playerTransform.Length; i++)
        {
            if (playerTransform[i].position.x < xMin)
                xMin = playerTransform[i].position.x;
            if (playerTransform[i].position.x > xMax)
                xMax = playerTransform[i].position.x;
            if (playerTransform[i].position.y < yMin)
                yMin = playerTransform[i].position.y;
            if (playerTransform[i].position.x > yMax)
                yMax = playerTransform[i].position.y;
        }

        float xMid = (xMin + xMax) / 2;
        float yMid = (yMin + yMax) / 2;

        float dist = xMax - xMin;
        float maxDist = xMax + xMin;
        if(dist < minDist)
        {
            dist = minDist;
        }

        Vector3 tempPos = new Vector3(xMid, (yMid + yOffset), -dist);
        transform.position = tempPos;
    }


}