using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public enum MoveDir
{
    Up, Down, Left, Right
}
public class UIMove : MonoBehaviour
{
    private Vector2 AnchoredPosition;
    private Vector2 EndPositon;
    private bool CanMove = false;
    private float alltime;
    private MoveDir Dirc;
    private float MoveDis;
    private float timmer = 0;
    private float Swidth;
    private float Sheight;
    public void SetPos()
    {
        AnchoredPosition = GetComponent<RectTransform>().anchoredPosition;
        Swidth = Screen.width;
        Sheight = Screen.height;
    }
    void Update()
    {
        if (CanMove)
        {
            timmer += Time.deltaTime;
            if (AnchoredPosition != EndPositon)
            {
                GetComponent<RectTransform>().anchoredPosition = Vector2.Lerp(AnchoredPosition, EndPositon, timmer / alltime);
            }
            if (timmer >= alltime)
            {
                AnchoredPosition = EndPositon;
                CanMove = false;
                timmer = 0;
            }
        }
        else
        {
            if (Swidth != Screen.width || Sheight != Screen.height)
            {
                AnchoredPosition = GetComponent<RectTransform>().anchoredPosition;
                Swidth = Screen.width;
                Sheight = Screen.height;
            }
        }
    }
    public void AnchorMove(RectTransform rec, float time, MoveDir Dir, float Offset)
    {
        alltime = time;
        Dirc = Dir;
        GetEndPos(Offset);
        CanMove = true;
    }
    public void GetEndPos(float Offset)
    {
        switch (Dirc)
        {
            case MoveDir.Up:
                MoveDis = gameObject.GetComponent<RectTransform>().rect.height;
                EndPositon = AnchoredPosition + Vector2.up * (MoveDis - Offset);
                break;
            case MoveDir.Down:
                MoveDis = gameObject.GetComponent<RectTransform>().rect.height;
                EndPositon = AnchoredPosition + Vector2.down * (MoveDis - Offset);
                break;
            case MoveDir.Left:
                MoveDis = gameObject.GetComponent<RectTransform>().rect.width;
                EndPositon = AnchoredPosition + Vector2.left * (MoveDis - Offset);
                break;
            case MoveDir.Right:
                MoveDis = gameObject.GetComponent<RectTransform>().rect.width;
                EndPositon = AnchoredPosition + Vector2.right * (MoveDis - Offset);
                break;
        }
    }
}