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

public class TouchController : BaseController
{
    /// <summary>
    /// 控制对象的Transform
    /// 若为空则控制当前脚本所在对象
    /// </summary>
    [Tooltip("控制对象的Transform，默认为当前对象")]
    public Transform tran;
    /// <summary>
    /// 移动速度（米/秒）
    /// </summary>
    [Tooltip("移动速度（米/秒）")]
    public float moveSpeed = 5;
    /// <summary>
    /// 旋转速度（角度/秒）
    /// </summary>
    [Tooltip("旋转速度（角度/秒）")]
    public float rotateSpeed = 10;

    /// <summary>
    /// 点击位置
    /// </summary>
    Vector2 startTouchPosition;
    void Start()
    {
        if (tran == null)
            tran = transform;
    }
        
    void Update()
    {
        if (CanControl)
        {
            if (Input.touchCount > 0)
            {
                Touch touch = Input.GetTouch(0);

                if (touch.phase == TouchPhase.Began)
                {
                    startTouchPosition = touch.position;
                }
                else if (touch.phase == TouchPhase.Moved)
                {
                    Vector2 deltaTouch = touch.position - startTouchPosition;

                    tran.position += tran.forward * moveSpeed * Time.deltaTime * deltaTouch.y;   // 移动

                    if (deltaTouch.x > 0)
                        tran.Rotate(Vector3.up * rotateSpeed * Time.deltaTime );             // 旋转
                    else
                        tran.Rotate(Vector3.up * -rotateSpeed * Time.deltaTime);             // 旋转

                    IsTouchOnControl = true;
                }
                else
                {
                    IsTouchOnControl = false;
                }
            }
            else
            {
                if(IsTouchOnControl)
                {
                    Invoke("SetTouch", 1f);
                }
            }
        }
    }

    void SetTouch()
    {
        IsTouchOnControl = false;
    }
}