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

public class RollingByTime : MonoBehaviour
{
    public RectTransform m_RectTransform;

    public float m_ParentWidth;

    private bool m_Point;

    private Tweener m_Tweener;
    private float m_lerp;
    private float m_time;
    private float m_targetPosx;

    public void Play(float time)
    {
        m_RectTransform.localPosition = Vector3.zero;
        //if (m_RectTransform.sizeDelta.x <= m_ParentWidth) return;

        m_time = time;
        m_Point = true;
        m_lerp = 0;
    }

    public void Stop()
    {
        m_Point = false;

        m_RectTransform.localPosition = new Vector2(Mathf.Clamp(m_RectTransform.sizeDelta.x / 2 - m_ParentWidth / 2, 0, m_RectTransform.sizeDelta.x / 2), m_RectTransform.localPosition.y);
    }

    private void Update()
    {
        if (m_Point)
        {
            m_lerp += Time.deltaTime / m_time;
            float posX = Mathf.Clamp(m_RectTransform.sizeDelta.x / 2 - m_ParentWidth / 2, 0, m_RectTransform.sizeDelta.x / 2);

            m_RectTransform.localPosition = Vector2.Lerp(new Vector2(posX, m_RectTransform.localPosition.y),
                new Vector2(-posX, m_RectTransform.localPosition.y), m_lerp);

            if (m_lerp >= 1)
            {
                m_lerp= 0;
                Stop();
            }
        }
    }
}