ZHGD_Web/Assets/Script/Controller.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using static UnityEngine.Rendering.DebugUI.Table;

public class Controller : MonoBehaviour
{

    public Transform Left;
    public Transform Center;
    public Transform Right;
    public Transform Temp;
    public Transform Next;
    public Transform[] Models;
    public int index = 0;
    public Button LeftButton;
    public Button RightButton;

    private Transform Rot;

    void Start()
    {
        Rot = Temp;
    }

    public void CutRight()
    {
        RightButton.interactable = false;
        index += 1;
        Rot = null;
        if (index >= 0)
        {
            Next = Models[index % Models.Length];
        }
        else
        {
            Next = Models[Models.Length + (index % Models.Length == 0 ? -3 : index % Models.Length)];
        }

        StartCoroutine(RightMove());
    }
    public void CutLeft()
    {
        LeftButton.interactable = false;
        index -= 1;
        Rot = null;
        if (index >= 0)
        {
            Next = Models[index % Models.Length];
        }
        else
        {
            Next = Models[Models.Length + (index % Models.Length == 0 ? -3 : index % Models.Length)];
        }

        StartCoroutine(LeftMove());
    }

    IEnumerator LeftMove()
    {
        float time = 0;
        while (time < 1)
        {
            time += Time.deltaTime;
            Next.position = Vector3.Lerp(Right.position, Center.position, time);
            Temp.position = Vector3.Lerp(Center.position, Left.position, time);
            yield return 0;
        }

        Temp = Rot = Next;
        LeftButton.interactable = true;
    }

    IEnumerator RightMove()
    {
        float time = 0;
        while (time < 1)
        {
            time += Time.deltaTime;
            Next.position = Vector3.Lerp(Left.position, Center.position, time);
            Temp.position = Vector3.Lerp(Center.position, Right.position, time);
            yield return 0;
        }

        Temp = Rot = Next;
        RightButton.interactable = true;
    }

    void Update()
    {
        if (Rot)
        {
            if (Input.GetMouseButton(0))
            {
                Rot.rotation = Quaternion.Euler(Rot.rotation.eulerAngles + new Vector3(0, -Input.GetAxis("Mouse X") * Time.deltaTime * 500, 0));
            }
            else
            {
                Rot.RotateAround(Rot.position, Vector3.up, Time.deltaTime * 25);
            }

            Rot.localScale += (Rot.localScale + Vector3.one * Input.GetAxis("Mouse ScrollWheel")).x < 0 ? Vector3.zero : (Vector3.one * Input.GetAxis("Mouse ScrollWheel"));
        }
    }
}