Unity2D 旋转转盘（拖动左键）

此处所描述的技巧并非类似于抽奖活动中常见的随机旋转转盘方式，需特别注意

此处所描述的操作方式为通过持续按压鼠标左键来实现转盘的旋转

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[RequireComponent(typeof(AudioSource))]
public class Rotate : MonoBehaviour
{
// Start is called before the first frame update

    private bool isTouch = false;
    private AudioSource Player;
    public float speed = 100f;
    public AudioClip select;
    private GameObject aud;
    
    void Start()
    {
    this.Player = th