using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using YHElectric;
public class InputController : MonoBehaviour
{
    [HideInInspector] public bool inputMouseKey0 = false;
    [HideInInspector] public bool inputMouseKeyDown0 = false;
    [HideInInspector] public bool inputMouseKey1 = false;
    [HideInInspector] public bool inputMouseKeyDown1 = false;
    [HideInInspector] public bool inputMouseKey2 = false;
    [HideInInspector] public bool inputMouseKeyDown2 = false;
    [HideInInspector] public static bool inputDoubleClick = false;
    [HideInInspector] public bool inputKeyShift = false;
    [HideInInspector] public bool inputKeySpace = false;
    [HideInInspector] public bool inputKeyW = false;
    [HideInInspector] public bool inputKeyA = false;
    [HideInInspector] public bool inputKeyS = false;
    [HideInInspector] public bool inputKeyD = false;
    [HideInInspector] public bool inputKeyF = false;
    [HideInInspector] public bool inputKeyQ = false;
    [HideInInspector] public bool inputKeyE = false;
    [HideInInspector] public bool inputKeyESC = false;
    [HideInInspector] public float inputMouseX = 0;
    [HideInInspector] public float inputMouseY = 0;
    [HideInInspector] public float inputMoveX = 0;
    [HideInInspector] public float inputMoveY = 0;
    [HideInInspector] public float inputMouseWheel = 0;

    [HideInInspector] public float udpRotX = 0;
    [HideInInspector] public float udpRotY = 0;
    [HideInInspector] public float udpMoveX = 0;
    [HideInInspector] public float udpMoveY = 0;

    private Vector3 mouseStart;
    Vector3 offset;
    float offset1;

    private Touch oldTouch1;  //上次触摸点1(手指1)  
    private Touch oldTouch2;  //上次触摸点2(手指2)

    bool twoToOne = false;

    float timer = 0.5f;

    private void Update()
    {
        inputDoubleClick = false;
        inputKeyW = Input.GetKey("w");
        inputKeyA = Input.GetKey("a");
        inputKeyS = Input.GetKey("s");
        inputKeyD = Input.GetKey("d");
        inputKeyF = Input.GetKey("f");
        inputKeyQ = Input.GetKey("q");
        inputKeyE = Input.GetKey("e");

        inputMouseKey0 = Input.GetKey("mouse 0");
        inputMouseKey1 = Input.GetKey("mouse 1");
        inputMouseKey2 = Input.GetKey("mouse 2");
        inputMouseKeyDown0 = Input.GetKeyDown("mouse 0");
        inputMouseKeyDown1 = Input.GetKeyDown("mouse 1");
        inputMouseKeyDown2 = Input.GetKeyDown("mouse 2");

        //inputMouseX = Input.GetAxisRaw("Mouse X");
        //inputMouseY = Input.GetAxisRaw("Mouse Y");
        //inputMouseWheel = Input.GetAxisRaw("Mouse ScrollWheel");
        inputMouseWheel = offset1;

        inputKeyShift = Input.GetKey("left shift");
        inputKeySpace = Input.GetKey("space");
        inputKeyESC = Input.GetKey("escape");

        if (HaveClickTwice(0.3f, ref twiceTime))
        {
            inputDoubleClick = true;
        }

        timer -= Time.deltaTime;

        if (inputMouseKeyDown0)
        {
            mouseStart = Input.mousePosition;
        }

        if (Input.touchCount == 1&&timer<0)
        {
            offset = Input.mousePosition - mouseStart;
            inputMouseX = offset.x;
            inputMouseY = offset.y;
            mouseStart = Input.mousePosition;
        }
        else if (Input.touchCount == 2)
        {
            timer = 0.4f;
            Touch newTouch1 = Input.GetTouch(0);
            Touch newTouch2 = Input.GetTouch(1);

            //第2点刚开始接触屏幕, 只记录，不做处理  
            if (newTouch2.phase == TouchPhase.Began)
            {
                oldTouch2 = newTouch2;
                oldTouch1 = newTouch1;
                return;
            }
            //计算老的两点距离和新的两点间距离，变大要放大模型，变小要缩放模型  
            float oldDistance = Vector2.Distance(oldTouch1.position, oldTouch2.position);
            float newDistance = Vector2.Distance(newTouch1.position, newTouch2.position);

            //两个距离之差，为正表示放大手势， 为负表示缩小手势  
            offset1 = newDistance - oldDistance;
            
            oldTouch1 = newTouch1;
            oldTouch2 = newTouch2;

            mouseStart = newTouch2.position;
        }
        //else if (Input.touchCount == 3)
        //{
        //    CameraOperate.controlType = ControlType.Move;
        //    offset = Input.mousePosition - mouseStart;
        //    inputMoveX = offset.x;
        //    inputMoveY = offset.y;
        //    mouseStart = Input.mousePosition;
        //}
        else
        {
            offset1 = 0;
        }
    }
    float twiceTime;
    /// <summary>
    /// 鼠标双击判断
    /// </summary>
    /// <param name="offsetTime"></param>
    /// <param name="timer"></param>
    /// <returns></returns>
    bool HaveClickTwice(float offsetTime, ref float timer)
    {
        if (inputMouseKeyDown0)
            return HaveExecuteTwiceAtTime(offsetTime, ref timer);
        else
            return false;
    }
    static bool HaveExecuteTwiceAtTime(float offsetTime, ref float timer)
    {
        if (Time.time - timer < offsetTime)
            return true;
        else
        {
            timer = Time.time;
            return false;
        }
    }
}