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;
 }
 }
}