【Unity】フレームレートの計算

public class Fps
{
	//測定用
	private float   m_fps;
	private float   m_updateInterval = 1.0f;
	private float   m_accumulated = 0.0f;
	private float   m_timeUntilNextInterval = 0.0f;
	private int     m_numFrames = 0;
	public float GetFPS()
	{
		return m_fps;
	}
	public void Update()
	{
		var deltaTime = Time.deltaTime;
		m_timeUntilNextInterval -= deltaTime;
		m_accumulated += Time.timeScale / deltaTime;
		++m_numFrames;
		if (m_timeUntilNextInterval <= 0.0f)
		{
			m_fps = m_accumulated / m_numFrames;
			m_timeUntilNextInterval = m_updateInterval;
			m_accumulated = 0.0f;
			m_numFrames = 0;
		}
	}
}