Unity3D 移动摇杆处理

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using System;
public class JoyStickController : MonoBehaviour,IDragHandler,IEndDragHandler,IBeginDragHandler{

    public float maxDragDistance = 50f;
    public Vector3 direction;
    public Vector3 initPos;
    public Vector3 dragPos;
    // Use this for initialization
    private static JoyStickController _instance;

    public static JoyStickController instance
    {
        get 
        { 
            return _instance; 
        }
    }
    public Vector3 GetDirction()
    {
        return direction.normalized;
    }
    void Awake()
    {
        _instance = this;
    }
    void Start () {
        initPos = transform.position;
        Debug.Log(initPos);
    }
    
    // Update is called once per frame
    void Update () {
        
    }

    public void OnBeginDrag(PointerEventData eventData)
    {
        //Debug.Log(Input.mousePosition);
        dragPos = Input.mousePosition;
        Debug.Log("OnBeginDrag");
    }

    public void OnDrag(PointerEventData eventData)
    {
        float dis = Vector3.Distance(dragPos, Input.mousePosition);
        direction = Input.mousePosition - dragPos;
        if(dis>=maxDragDistance)
        { dis = maxDragDistance; }
        transform.localPosition = direction.normalized * dis;

        Debug.Log("OnDrag");

    }
    public void OnEndDrag(PointerEventData eventData)
    {
        this.transform.position = initPos;
        direction = Vector3.zero;

        Debug.Log("OnEndDrag");
        Debug.Log(transform.position);

    }
}

移动处理

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

public class HatControl : MonoBehaviour
{
    public GameObject effect;
    public float fMoveSpeed = 5.0f;
    private Vector3 rawPosition;
    private Vector3 hatPosition;
    private float fMaxWidth;

    private Vector3 deltaPos;
    // Start is called before the first frame update
    void Start()
    {
        Vector3 sceenPos = new Vector3(Screen.width, 0, 0);
        Vector3 moveWidth = Camera.main.ScreenToWorldPoint(sceenPos);
        float fBallWidth = GetComponent<Renderer>().bounds.extents.x;

        fMaxWidth = moveWidth.x - fBallWidth;

        deltaPos = Camera.main.transform.position - transform.position;
    }

    private void Update()
    {
        Vector3 headPos = gameObject.transform.localPosition;
        Vector3 normal = JoyStickController.instance.GetDirction();

        float tickTime = Time.deltaTime * fMoveSpeed;
        gameObject.transform.localPosition = new Vector3(headPos.x + normal.x * tickTime, headPos.y + normal.y * tickTime, headPos.z);

        Camera.main.transform.position = transform.position + deltaPos;
    }

    private void OnTriggerEnter2D(Collider2D collision)
    {
        if(collision.gameObject.CompareTag("ball"))
        {
            GameObject newEffect = Instantiate(effect, transform.position, transform.rotation);
            newEffect.transform.parent = transform;

            Destroy(newEffect, 1.0f);
            Destroy(collision.gameObject);
        }
        
    }
}

 demo下载地址：

链接:https://pan.baidu.com/s/1sQBm2dPJLEUFB5A5zWPQ2A  密码:3jcg