Cute_demon_attacks/meng_yao/Assets/communal/camera/Cinemachine_2dCon.cs

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

public class Cinemachine_2dCon : MonoBehaviour
{
    public float cameraMaxSize;
    public float cameraMinSize;
    public float zoomSpeed;

    public CinemachineVirtualCamera v_cam;
    public Camera m_cam;
    private Transform m_selfTrans;
    private bool m_fingerDown = false;

    //<2F>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڿ<EFBFBD><DABF><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD><D8B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD>
    public static Action<bool> SetCameraContorl;
    private bool IsCan = true;

    /// <summary>
    /// <20><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָλ<D6B8><CEBB>
    /// </summary>
    private Vector3 m_oneFingerDragStartPos;
    /// <summary>
    /// ˫ָ<CBAB><D6B8><EFBFBD>ŵ<EFBFBD><C5B5><EFBFBD>һ֡<D2BB><D6A1>˫ָ<CBAB><D6B8><EFBFBD><EFBFBD>
    /// </summary>
    private float m_twoFingerLastDistance = -1;


    

    private void Awake()
    {
        m_selfTrans = transform;
    }

    private void Update()
    {
        if (!IsCan)
        {
            return;
        }

#if UNITY_EDITOR || UNITY_STANDALONE
        //// <20><><EFBFBD><EFBFBD><EFBFBD>ˣ<EFBFBD><CBA3><EFBFBD><EFBFBD>갴<EFBFBD><EAB0B4>ʱ
        //if (Input.GetMouseButtonDown(0))
        //{
        //    m_fingerDown = true;
        //    m_oneFingerDragStartPos = GetWorldPos(Input.mousePosition); // <20><>ȡ<EFBFBD><C8A1><EFBFBD>갴<EFBFBD>µ<EFBFBD><C2B5><EFBFBD>ʼλ<CABC><CEBB>
        //}

        //// <20><><EFBFBD><EFBFBD><EFBFBD>ˣ<EFBFBD><CBA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɿ<EFBFBD>ʱ
        //if (Input.GetMouseButtonUp(0))
        //{
        //    m_fingerDown = false;
        //    m_twoFingerLastDistance = -1;
        //}

        // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>϶<EFBFBD>
        //if (m_fingerDown)
        //{
        //    HandleFingerDragMove(Input.mousePosition);
        //}

        // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        //var distance = Input.GetAxis("Mouse ScrollWheel");
        //HandleMouseScrollWheel(distance * 10);

#else
        // <20>ƶ<EFBFBD><C6B6>ˣ<EFBFBD>˫ָ<CBAB><D6B8><EFBFBD><EFBFBD>
        if (Input.touchCount == 2)
        {
            HandleTwoFingerScale();
            m_fingerDown = false; // <20><><EFBFBD><EFBFBD>˫ָ<CBAB><D6B8><EFBFBD><EFBFBD>ʱ<EFBFBD>󴥵<EFBFBD>ָ<EFBFBD>϶<EFBFBD>
        }
        // <20>ƶ<EFBFBD><C6B6>ˣ<EFBFBD><CBA3><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>
        else if (Input.touchCount == 1)
        {
            Touch touch = Input.touches[0];

            // <20><>ָ<EFBFBD>մ<EFBFBD><D5B4><EFBFBD><EFBFBD><EFBFBD>Ļʱ
            if (touch.phase == TouchPhase.Began)
            {
                m_fingerDown = true;
                m_oneFingerDragStartPos = GetWorldPos(touch.position); // <20><>ȡ<EFBFBD><C8A1>ָ<EFBFBD><D6B8><EFBFBD>µ<EFBFBD><C2B5><EFBFBD>ʼλ<CABC><CEBB>
            }
            // <20><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>Ļ<EFBFBD>ϻ<EFBFBD><CFBB><EFBFBD>ʱ
            else if (touch.phase == TouchPhase.Moved)
            {
                HandleFingerDragMove(touch.position); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD>϶<EFBFBD>
            }

            m_twoFingerLastDistance = -1; // <20><>λ˫ָ<CBAB><D6B8><EFBFBD>ž<EFBFBD><C5BE><EFBFBD>
        }
        else
        {
            m_fingerDown = false;
            m_twoFingerLastDistance = -1;
        }
#endif
    }


    /// <summary>
    /// <20><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>
    /// </summary>
    private void HandleFingerDragMove(Vector2 fingerPos)
    {
        ////<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        //Vector3 cha = m_oneFingerDragStartPos - GetWorldPos(fingerPos);
        //Vector3 newP = m_cam.transform.position;
        //newP.x = newP.x + cha.x;
        //newP.y = newP.y + cha.y;
        //m_selfTrans.position = newP;
    }

    /// <summary>
    /// ˫ָ<CBAB><D6B8><EFBFBD><EFBFBD>
    /// </summary>
    private void HandleTwoFingerScale()
    {
        float distance = Vector2.Distance(Input.touches[0].position, Input.touches[1].position);
        if (m_twoFingerLastDistance == -1)
        {
            m_twoFingerLastDistance = distance;
            return; // <20><><EFBFBD><EFBFBD><EFBFBD>״<EFBFBD>ִ<EFBFBD><D6B4>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        }

        // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>
        float scale = 0.1f * (distance - m_twoFingerLastDistance);
        ScaleCamere(scale);

        m_twoFingerLastDistance = distance;
    }

    /// <summary>
    /// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    /// </summary>
    /// <param name="distance"></param>
    //private void HandleMouseScrollWheel(float distance)
    //{
    //    if (0 == distance) return;
    //    ScaleCamere(distance);
    //}

    /// <summary>
    /// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
    /// </summary>
    /// <param name="scale"></param>
    private void ScaleCamere(float scale)
    {
        v_cam.m_Lens.OrthographicSize -= scale * zoomSpeed;
        if (v_cam.m_Lens.OrthographicSize < cameraMinSize)
        {
            v_cam.m_Lens.OrthographicSize = cameraMinSize;
        }
        if (v_cam.m_Lens.OrthographicSize > cameraMaxSize)
        {
            v_cam.m_Lens.OrthographicSize = cameraMaxSize;
        }
    }

    /// <summary>
    /// <20><>Ļ<EFBFBD><C4BB><EFBFBD>껻<EFBFBD><EABBBB><EFBFBD><EFBFBD>3D<33><44><EFBFBD><EFBFBD>
    /// </summary>
    /// <param name="screenPos"><3E><>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD></param>
    /// <returns></returns>
    Vector3 GetWorldPos(Vector2 screenPos)
    {
        return m_cam.ScreenToWorldPoint(new Vector3(screenPos.x, screenPos.y, Mathf.Abs(m_cam.transform.position.z)));
    }


   //<2F><><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD>й¶
    private void OnEnable()
    {
        SetCameraContorl += ToggleCameraControl;
    }
    private void OnDisable()
    {
        SetCameraContorl -= ToggleCameraControl;
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="isActive"><3E><><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD></param>
    private void ToggleCameraControl(bool TorF)
    {
        IsCan = TorF;
    }
}