1 using System;
2 using
UnityEngine;
3 using
UnityEngine.UI;
4
5 namespace
UnityStandardAssets.Utility
6 {
7     
[RequireComponent(typeof (Text))]
8     
public class FPSCounter : MonoBehaviour
9     {
10         
const float fpsMeasurePeriod = 0.5f;
11         
private int m_FpsAccumulator = 0;
12         
private float m_FpsNextPeriod = 0;
13         
private int m_CurrentFps;
14         
const string display = "{0} FPS";
15         
private Text m_Text;
16
17
18         
private void Start()
19         {
20             m_FpsNextPeriod = Time.realtimeSinceStartup + fpsMeasurePeriod;
21             m_Text = GetComponent<Text>();
22         }
23
24
25         
private void Update()
26         {
27             
// measure average frames per second
28             m_FpsAccumulator++;
29             
if (Time.realtimeSinceStartup > m_FpsNextPeriod)
30             {
31                 m_CurrentFps = (
int) (m_FpsAccumulator/fpsMeasurePeriod);
32                 m_FpsAccumulator =
0;
33                 m_FpsNextPeriod += fpsMeasurePeriod;
34                 m_Text.text =
string.Format(display, m_CurrentFps);
35             }
36         }
37     }
38 }


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