using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using System;

using TMPro;

public class FPSCounter : MonoBehaviour

{

//Reference to UI to show elasped time

? ? public TextMeshProUGUI measureTime;

//References to current,min,max and avg fps

? ? public TextMeshProUGUI current;

? ? public TextMeshProUGUI min;

? ? public TextMeshProUGUI max;

? ? public TextMeshProUGUI avg;

//floats to cache values

? ? float minFps;

? ? float avgFps;

? ? float maxFps;

//List of cached readings to calclulcate avg,max...etc

? ? List<float> fpsCounts = new List<float>();

//Time to wait to read fps to avoid unnessesary reads

? ? public float queryRate;

//Decimal places to format readings

? ? public int roundDecimals = 1;

//cache elapsedTime

? ? float elapsedTime;

//bools to control how fps is queried

? ? bool isFps=true;

? ? bool isStart;

? ? [Tooltip("Seconds to measure FPS")]

//time to query fps in general. Stops quering after this //duration has elasped

? ? public float measureSeconds = 10;

? ? public void StartTimer()

? ? {

? ? ? ? isStart = true;

? ? }

? ? void Update()

? ? {

? ? ? ? if (isStart)

? ? ? ? {

? ? ? ? ? ? elapsedTime += Time.deltaTime;

? ? ? ? ? ? if (elapsedTime <= measureSeconds)

? ? ? ? ? ? {

? ? ? ? ? ? ? ? if (isFps)

? ? ? ? ? ? ? ? {

? ? ? ? ? ? ? ? ? ? StartCoroutine(QueryFPS());

? ? ? ? ? ? ? ? ? ? isFps = false;

? ? ? ? ? ? ? ? }

? ? ? ? ? ? ? ? measureTime.text = "Elapsed Time: " + Mathf.RoundToInt(elapsedTime) + " s";

? ? ? ? ? ? }

? ? ? ? ? ? else

? ? ? ? ? ? {

? ? ? ? ? ? ? ? measureTime.transform.GetComponent<Animator>().enabled = true;

? ? ? ? ? ? }

? ? ? ? }

? ? }

? ? IEnumerator QueryFPS()

? ? {

? ? ? ? yield return new WaitForSeconds(queryRate);

/*

Delta time is time taken to render a single frame of the game. So its inverse should give us frames rendered in a second

*/

? ? ? ? float reading=1 / Time.deltaTime;

//Add to the list

? ? ? ? fpsCounts.Add(reading);

//Find min and max

? ? ? ? maxFps=Mathf.Max(fpsCounts.ToArray());

? ? ? ? minFps=Mathf.Min(fpsCounts.ToArray());

//Loop to find average

? ? ? ? for (int i = 0; i < fpsCounts.Count; i++)

? ? ? ? {

? ? ? ? ? ? avgFps += fpsCounts[i];

? ? ? ? }

//Fill values on UI Components

? ? ? ? current.text = "" + Math.Round(reading, roundDecimals) + " FPS";

? ? ? ? max.text=""+Math.Round(maxFps,roundDecimals)+" FPS";

? ? ? ? min.text = "" + Math.Round(minFps,roundDecimals) + " FPS";

? ? ? ? avg.text = "" + Math.Round((avgFps / fpsCounts.Count),roundDecimals) + " FPS";

? ? ? ??

//Reset averages and bool

? ? ? ? avgFps = 0;

? ? ? ? isFps = true;

? ? }

}