using UnityEngine;
using System.Collections;

public class FPS : MonoBehaviour
{
    private GUIStyle guiStyle = new GUIStyle();
    int oldFPS=0;
    int cnt = 0;
    void OnGUI()
    {
        int fps = (int)(1.0f / Time.deltaTime);
        if (fps != oldFPS) cnt++;
        if(cnt > 40)
        {
            cnt = 0; oldFPS = fps;
        }
        guiStyle.fontSize = 22;
        GUILayout.Label("FPS = " + oldFPS, guiStyle); 
    }
}