Unity3D实现旋钮控制灯光效果

public void RotateAround(Vector3 point, Vector3 axis, float angle); //通过给定一个世界坐标、轴向以及一个角度，使物体以该角度旋转绕世界坐标点的轴向的变换  public T GetComponent<T>(); //获取对象的组件  public bool enabled { get; set; } //设置激活状态 

using System.Collections;using System.Collections.Generic;using UnityEngine; public class RotateControl : MonoBehaviour {  public GameObject RedLight;//红灯 public GameObject GreenLight;//绿灯 public GameObject Center;//旋转中心，若为自身则指定自身  private bool isOn = false;//正在开启 private bool isOff = false;//正在关闭 [Range(0,180)] public float onLine = 80;//旋钮最大角度 [Range(0,180)] private float offLine = 0;//旋钮最小角度 [Range(0,3)] public float speed = 1;//旋转速度 [Range(0, 20)] public float LightingRange = 10;//亮灯角度与旋钮最大角度的角度差  // Use this for initialization void Start () { isOn = false; isOff = false; offLine = Center.transform.rotation.z;//设定起始位置即为最小角度 RedLight.GetComponent<Renderer>().enabled = false;//关闭红灯渲染 GreenLight.GetComponent<Renderer>().enabled = false;//关闭绿灯渲染 }  // Update is called once per frame void Update () { if (Input.GetKeyDown(KeyCode.R))//关闭 {  isOn = false;  isOff = true; } if (Input.GetKeyDown(KeyCode.G))//开启 {  isOn = true;  isOff = false; }  if (isOn == true) {  if (this.transform.eulerAngles.z < onLine)//旋钮旋转至最大角度  {  this.transform.RotateAround(this.transform.position, this.transform.forward, speed);  }  else  {  isOn = false;  } } if (isOff == true) {  if (this.transform.eulerAngles.z > offLine + 1)//旋转至最小角度+1°的角度，当物体旋转到0时继续旋转则变为360度  {  this.transform.RotateAround(this.transform.position, this.transform.forward, -speed);  }  else  {  isOff = false;  } }  //检测旋转角度控制灯光 if (this.transform.eulerAngles.z >= onLine - LightingRange)//当旋钮旋转角度大于阈值则渲染绿灯，关闭红灯 {  RedLight.GetComponent<Renderer>().enabled = false;  GreenLight.GetComponent<Renderer>().enabled = true; } else {  RedLight.GetComponent<Renderer>().enabled = true;  GreenLight.GetComponent<Renderer>().enabled = false; } }}