using UnityEngine;

public class InformationShower : MonoBehaviour
{
    [SerializeField]
    private float _fpsRefreshTime = 0.1f;
    private float _tickTime;
    private int _tickFrameCount;
    private int _frameRate;
    private GUIStyle _labelStyle;
    
    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        _tickTime += Time.deltaTime;
        _tickFrameCount++;
        if (_tickTime >= _fpsRefreshTime)
        {
            _frameRate = Mathf.RoundToInt(1f/(_tickTime / _tickFrameCount));
            _tickTime = 0;
            _tickFrameCount = 0;
        }
    }

    private void OnGUI()
    {
        _labelStyle = _labelStyle ?? GUI.skin.label;
        _labelStyle.fontSize = 60;
        GUI.Label(new Rect(Screen.width/2f - 100f,20f,300f,200f), $"FPS:{_frameRate}",_labelStyle);
    }
}