/***

 *

 *

 *

 *  滑动面板的移动控制

 *

 *

 *

 *

 *

 *

 *

 */

using System.Collections;

using UnityEngine.UI;                                      //UI命名空间

using UnityEngine.EventSystems;                            //事件系统命名空间

using System.Collections.Generic;

using UnityEngine;

public class SliderPanelMovingControl : MonoBehaviour,IBeginDragHandler,IDragHandler {

    public float FloSliderPanelSmoothPara = 5F;            //滑动面板弹性系数

    private float _FloStartPositionX;                      //开始的鼠标X的位置

    private float _FloPosX;                                //鼠标移动的位置偏移量

    // Use this for initialization

    void Start () {

    }

    //开始拖拽

   public void OnBeginDrag(PointerEventData eventData)

   {

       _FloStartPositionX = eventData.position.x;

   }

    //拖拽中

   public void OnDrag(PointerEventData eventData)

   {

       _FloPosX = eventData.position.x - _FloStartPositionX;

       //移动面板，需要偏移量

       this.transform.Translate(new Vector3(_FloPosX/, , ), Space.World);

   }

    // Update is called once per frame

    void Update () {

        if (this.transform.localPosition.x > )

        {

            //移动范围受限处理（左边缘）

            this.transform.localPosition = Vector3.Lerp(this.transform.localPosition, new Vector3(, , ), Time.deltaTime * FloSliderPanelSmoothPara);

        }

        if (this.transform.localPosition.x < -)

        {

            //移动范围受限处理（右边缘）

            this.transform.localPosition = Vector3.Lerp(this.transform.localPosition, new Vector3(-, , ), Time.deltaTime * FloSliderPanelSmoothPara);

        }

        //整版“卡位”

        if (this.transform.localPosition.x <  && this.transform.localPosition.x>=-)

        {

            this.transform.localPosition = Vector3.Lerp(this.transform.localPosition, new Vector3(-, , ), Time.deltaTime * FloSliderPanelSmoothPara);

        }

        else if (this.transform.localPosition.x < - && this.transform.localPosition.x >= -)

        {

            this.transform.localPosition = Vector3.Lerp(this.transform.localPosition, new Vector3(-, , ), Time.deltaTime * FloSliderPanelSmoothPara);

        }

        else if (this.transform.localPosition.x < - && this.transform.localPosition.x >= -)

        {

            this.transform.localPosition = Vector3.Lerp(this.transform.localPosition, new Vector3(-, , ), Time.deltaTime * FloSliderPanelSmoothPara);

        }

        else if (this.transform.localPosition.x < - && this.transform.localPosition.x >= -)

        {

            this.transform.localPosition = Vector3.Lerp(this.transform.localPosition, new Vector3(-, , ), Time.deltaTime * FloSliderPanelSmoothPara);

        }

    }

}