摄像机围绕0.0.0点旋转并显示FPS值

转载于 2014-07-14 13:07:28 发布 · 692 阅读

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本文提供了一个Unity中实现第一人称视角(FPS)摄像机的脚本示例。通过该脚本，可以轻松地为游戏场景添加FPS摄像机功能，并实时显示当前帧率(FPS)。

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将脚本绑定到摄像机上就OK！

using UnityEngine;
using System.Collections;

public class CameraFPS : MonoBehaviour {

	public float updateInterval = 0.5f;
	private float lastInterval; // Last interval end time
	private int frames = 0; // Frames over current interval
	private float fps; // Current FPS
	private float sum = 0.0f;
	private float num = 0.0f;
	
	// Use this for initialization
	void Start()
	{
		lastInterval = Time.realtimeSinceStartup;
		frames = 0;
	}
	
	void OnGUI()
	{
		GUILayout.Label("fps:" + fps.ToString("f0") + "      " + (sum / num).ToString("f0"));
	}
	// Update is called once per frame
	void Update()
	{
		transform.RotateAround(Vector3.zero, Vector3.up, 100 * Time.deltaTime);
		++frames;
		float timeNow = Time.realtimeSinceStartup;
		if (timeNow > lastInterval + updateInterval)
		{
			fps = frames / (timeNow - lastInterval);
			frames = 0;
			lastInterval = timeNow;
			sum += fps;
			num++;
		}
	}
}

转载自博客 http://blog.youkuaiyun.com/goodai007/article/details/8474134