using UnityEngine;
using System.Collections;

[ExecuteInEditMode]
public class RatioFix : MonoBehaviour
{

    Resolution[] resolutions;

    void Awake()
    {
        //StartCoroutine("Do");
        Do();
    }

    void Do()
    {
        //yield return new WaitForFixedUpdate();

        resolutions = Screen.resolutions;

        float targetaspect = 16.0f / 9.0f;
        float windowaspect = (float) resolutions[resolutions.Length - 1].width / (float)resolutions[resolutions.Length - 1].height;
        //float windowaspect = Screen.width / Screen.height;
        float scaleheight = windowaspect / targetaspect;

        Camera[] camArray = FindObjectsOfType(typeof(Camera)) as Camera[];

        foreach (Camera camera in camArray)
        {
            if (camera.gameObject.layer != 10 && camera.gameObject.layer != 13)
            {

                if (scaleheight < 1.0f)
                {
                    Rect rect = camera.rect;
                    rect.width = 1.0f;
                    rect.height = scaleheight;
                    rect.x = 0;
                    rect.y = (1.0f - scaleheight) / 2.0f;
                    camera.rect = rect;
                }

                else
                {
                    float scalewidth = 1.0f / scaleheight;
                    Rect rect = camera.rect;
                    rect.width = scalewidth;
                    rect.height = 1.0f;
                    rect.x = (1.0f - scalewidth) / 2.0f;
                    rect.y = 0;
                    camera.rect = rect;
                }
            }
        }
    }
}