显示帧数脚本

//
// Author:
//   Andreas Suter (andy@edelweissinteractive.com)
//
// Copyright (C) 2011-2012 Edelweiss Interactive (http://www.edelweissinteractive.com)
//

using UnityEngine;
using System.Collections;

public class ShowFPS : MonoBehaviour {

    public float fpsMeasuringDelta = 2.0f;

    private float timePassed;
    private int m_FrameCount = 0;
    private float m_FPS = 0.0f;
    
    private void Start () {
        timePassed = 0.0f;
    }
    
    private void Update () {
        m_FrameCount = m_FrameCount + 1;
        timePassed = timePassed + Time.deltaTime;
        
        if (timePassed > fpsMeasuringDelta) {
            m_FPS = m_FrameCount / timePassed;
            
            timePassed = 0.0f;
            m_FrameCount = 0;
        }
    }
    
    private void OnGUI () {
        GUI.color = new Color (1.0f, 0.5f, 0.0f);
        GUILayout.Label ("FPS: " + m_FPS);
    }
}