public void RotateAround(Vector3 point, Vector3 axis, float angle); //通過(guò)給定一個(gè)世界坐標(biāo)、軸向以及一個(gè)角度，使物體以該角度旋轉(zhuǎn)繞世界坐標(biāo)點(diǎn)的軸向的變換  public T GetComponent<T>(); //獲取對(duì)象的組件  public bool enabled { get; set; } //設(shè)置激活狀態(tài) 

using System.Collections;using System.Collections.Generic;using UnityEngine; public class RotateControl : MonoBehaviour {  public GameObject RedLight;//紅燈 public GameObject GreenLight;//綠燈 public GameObject Center;//旋轉(zhuǎn)中心，若為自身則指定自身  private bool isOn = false;//正在開(kāi)啟 private bool isOff = false;//正在關(guān)閉 [Range(0,180)] public float onLine = 80;//旋鈕最大角度 [Range(0,180)] private float offLine = 0;//旋鈕最小角度 [Range(0,3)] public float speed = 1;//旋轉(zhuǎn)速度 [Range(0, 20)] public float LightingRange = 10;//亮燈角度與旋鈕最大角度的角度差  // Use this for initialization void Start () { isOn = false; isOff = false; offLine = Center.transform.rotation.z;//設(shè)定起始位置即為最小角度 RedLight.GetComponent<Renderer>().enabled = false;//關(guān)閉紅燈渲染 GreenLight.GetComponent<Renderer>().enabled = false;//關(guān)閉綠燈渲染 }  // Update is called once per frame void Update () { if (Input.GetKeyDown(KeyCode.R))//關(guān)閉 {  isOn = false;  isOff = true; } if (Input.GetKeyDown(KeyCode.G))//開(kāi)啟 {  isOn = true;  isOff = false; }  if (isOn == true) {  if (this.transform.eulerAngles.z < onLine)//旋鈕旋轉(zhuǎn)至最大角度  {  this.transform.RotateAround(this.transform.position, this.transform.forward, speed);  }  else  {  isOn = false;  } } if (isOff == true) {  if (this.transform.eulerAngles.z > offLine + 1)//旋轉(zhuǎn)至最小角度+1°的角度，當(dāng)物體旋轉(zhuǎn)到0時(shí)繼續(xù)旋轉(zhuǎn)則變?yōu)?60度  {  this.transform.RotateAround(this.transform.position, this.transform.forward, -speed);  }  else  {  isOff = false;  } }  //檢測(cè)旋轉(zhuǎn)角度控制燈光 if (this.transform.eulerAngles.z >= onLine - LightingRange)//當(dāng)旋鈕旋轉(zhuǎn)角度大于閾值則渲染綠燈，關(guān)閉紅燈 {  RedLight.GetComponent<Renderer>().enabled = false;  GreenLight.GetComponent<Renderer>().enabled = true; } else {  RedLight.GetComponent<Renderer>().enabled = true;  GreenLight.GetComponent<Renderer>().enabled = false; } }}