unity手势控制、放大缩小、拖拽、滑动。单击

最新推荐文章于 2025-01-21 00:00:00 发布

su9257_海澜

最新推荐文章于 2025-01-21 00:00:00 发布

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分类专栏： Unity3D unity工具、插件 unity_插件_控制

本文链接：https://blog.youkuaiyun.com/su9257/article/details/72565980

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这篇博客介绍了如何在Unity中实现手势控制，包括单指触摸的放大、缩小、拖拽、滑动以及旋转操作。同时，它还涵盖了双指触控的缩放和旋转功能，以及使用陀螺仪进行设备方向感应。代码示例详细展示了实现这些功能的方法和逻辑。

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

public class TouchManager_Template : MonoBehaviour
{

    private TouchManager_Template() { }
    private static TouchManager_Template _instance = null;
    public static TouchManager_Template Instance
    {
        get { return _instance; }
        set { _instance = value; }
    }
    private GameObject _curModel;


    private Vector3 _ModelScreenPos;
    private Vector3 _ModelWorldPos;
    private Vector3 _MouseScreenPos;
    private Vector3 _Offset;

    private bool _Moved;

    private bool _Selected;

    private float _Scale = 5.0f;
    private float _ZoomDifference = 0;
    private float _ZoomSpeed = 100f;
    private float _ZoomMin = 1.0f;
    private float _ZoomMax = 2.0f;

    private float _StartAngle;
    private float _LastAngle;
    private Quaternion _curModelRotation;
    private Quaternion q = Quaternion.identity;
    private float _TurnAngle;

    private float _xMove;
    private float _yMove;

    public float _UpdateRotate = 220.00f;

    private Vector2 _TouchBegan = Vector2.zero;
    private Vector2 _TouchEnd = Vector2.zero;
    [Header("滑动误差")][Range(0,10)]
    public float _DragTolerance = 10.0f;
#if UNITY_EDITOR
    private float _MoveSpeed = 1.0f;
#elif UNITY_ANDROID
        private float _MoveSpeed = 2.0f;
#elif UNITY_IPHONE
            private float _MoveSpeed = 1.0f;
#endif



    public bool OneFingerRotate = true;
    void Awake()
    {
        _instance = this;
    }
    void Start()
    {
        _TurnAngle = 0;
        subscribeEvent();
        Input.gyro.enabled = true;
    }

    public static void subscribeEvent()
    {

    }
    public static void UnsubscribeEvent()
    {

    }

    void OnDestroy()
    {
        UnsubscribeEvent();
        Input.gyro.enabled = false;
    }

    GameObject getClosestObject(Vector3 _MousePos)
    {
        GameObject _go = null;

        List<GameObject> OnCardModelList = new List<GameObject>();

        if (OnCardModelList.Count > 0)
        {
            float _dis = 0;
            Vector3 p0 = new Vector3(_MousePos.x, _MousePos.y, 0f);

            foreach (var dic in OnCardModelList)
            {

                GameObject _tempGo = dic;

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