Client/GameClient/Assets/Game/HotUpdate/Views/LuckyBox/LuckyBoxStarView.cs

using System.Collections;
using UnityEngine;
using UI.LuckyBox;
using System.Collections.Generic;
using FairyGUI;
using System.Threading;
using System.Threading.Tasks;

namespace GFGGame
{
    public class LuckyBoxStarView : BaseWindow
    {
        private UI_LuckyBoxStarUI _ui;
        private List<GObject> comStars = new List<GObject>();


        private GObject curComStar;//当前选中的星星
        private Vector2 lastPos;//鼠标的上一个位置，每颗星星初始时默认为Vector2.right;

        private List<ItemData> _rewardList;

        private const int checkDistance = 40;//鼠标靠近星星周围加减40都算选中星星
        private const int imgLineWidth = 10;//线的原始长度
        public override void Dispose()
        {
            base.Dispose();
        }

        protected override void OnInit()
        {
            base.OnInit();
            _ui = UI_LuckyBoxStarUI.Create();
            this.viewCom = _ui.target;
            isfullScreen = true;


            _ui.m_btnBack.onClick.Add(OnClickBtnBack);
        }
        protected override void OnShown()
        {
            base.OnShown();
            _ui.target.onTouchBegin.Add(OnClickUIBegin);
            _ui.target.onTouchMove.Add(OnClickUIMove);
            _ui.target.onTouchEnd.Add(OnClickUIEnd);

            _rewardList = LuckyBoxDataManager.Instance.RewardList;
            _ui.m_ctrlBuyType.selectedIndex = _rewardList != null && _rewardList.Count > 1 ? 1 : 0;
            _ui.m_ctrlRewardsType.selectedIndex = (int)viewData;

            ResetStartView();

        }
        private void ResetStartView()
        {
            curComStar = null;
            comStars.Clear();
            int index = 0;
            GObject star = _ui.target.GetChild(string.Format("comStar{0}_{1}_{2}", _ui.m_ctrlBuyType.selectedIndex, _ui.m_ctrlRewardsType.selectedIndex, index));


            while (star != null && star.visible == true)
            {
                UI_ComStar comStar = UI_ComStar.Proxy(star);
                comStar.m_c1.selectedIndex = 0;
                comStar.m_imgLine.width = imgLineWidth;
                comStar.m_imgLine.rotation = 0;

                star.data = new Vector2(comStar.target.x, comStar.target.y);
                comStars.Add(star);

                index++;
                star = _ui.target.GetChild(string.Format("comStar{0}_{1}_{2}", _ui.m_ctrlBuyType.selectedIndex, _ui.m_ctrlRewardsType.selectedIndex, index));
            }

        }
        private void OnClickUIBegin(EventContext context)
        {
            context.CaptureTouch();
            InputEvent inputEvent = (InputEvent)context.data;
            Vector2 mousePos = this.viewCom.GlobalToLocal(new Vector2(inputEvent.x, inputEvent.y));
            CheckNearbyPos(mousePos);
        }
        private void OnClickUIMove(EventContext context)
        {
            InputEvent inputEvent = (InputEvent)context.data;
            Vector2 mousePos = this.viewCom.GlobalToLocal(new Vector2(inputEvent.x, inputEvent.y));

            CheckNearbyPos(mousePos);

            if (comStars.Count == 0)//所有星星都点亮了主动结束
            {
                this.OnClickUIEnd();
            }
        }

        //检测鼠标附近的星星
        private void CheckNearbyPos(Vector2 mousePos)
        {
            for (int i = comStars.Count - 1; i >= 0; i--)
            {
                Vector2 comStarPos = (Vector2)comStars[i].data;
                if (IsSamePos(mousePos, comStarPos))
                {
                    if (curComStar != null)
                    {
                        SetCurComStarTransfrom(comStarPos);
                    }
                    UI_ComStar comStar = UI_ComStar.Proxy(comStars[i]);
                    comStar.m_c1.selectedIndex = 1;
                    curComStar = comStars[i];
                    lastPos = Vector2.right;

                    comStars.RemoveAt(i);
                }
                else
                {
                    if (curComStar != null)
                    {
                        Vector2 curPos = mousePos - (Vector2)curComStar.data;
                        SetCurComStarTransfrom(mousePos);
                        lastPos = curPos;
                    }
                }
            }


        }
        private void SetCurComStarTransfrom(Vector2 targetPos)
        {

            Vector2 curPos = targetPos - (Vector2)curComStar.data;
            float angle = Vector3.Angle(lastPos, curPos); //求出两向量之间的夹角 
            Vector3 normal = Vector3.Cross(lastPos, curPos);//叉乘求出法线向量 
            angle *= Mathf.Sign(Vector3.Dot(normal, Vector3.forward));  //Mathf.Sign()求符号，Vector3.Dot()求方向，求法线向量与物体上方向向量点乘，结果为1或-1，修正旋转方向 

            UI_ComStar comStar = UI_ComStar.Proxy(curComStar);
            comStar.m_imgLine.rotation += angle;
            comStar.m_imgLine.width = Vector2.Distance(targetPos, (Vector2)curComStar.data);


        }
        //private async void OnClickUIEnd()
        //{
        //    if (curComStar != null)
        //    {
        //        if (curComStar != null)
        //        {
        //            await Task.Delay(1000);

        //            RemoveListener();
        //            ViewManager.Show(ViewName.LUCKY_BOX_CARD_VIEW, new object[] { _rewardList, 0 });
        //            this.Hide();
        //        }
        //    }
        //}

        private void OnClickUIEnd()
        {
            Timers.inst.Add(0.3f, 1, ClickUIEnd);
        }
        private void ClickUIEnd(object param)
        {
            if (curComStar != null)
            {

                RemoveListener();
                ViewManager.Show(ViewName.LUCKY_BOX_CARD_VIEW, new object[] { _rewardList, FirstGetCardViewType.JUMP });
                this.Hide();
            }
        }

        private bool IsSamePos(Vector2 mousePos, Vector2 comStarPos)
        {
            return (mousePos.x < comStarPos.x + checkDistance) && (mousePos.x > comStarPos.x - checkDistance) && (mousePos.y < comStarPos.y + checkDistance) && (mousePos.y > comStarPos.y - checkDistance);
        }

        private void RemoveListener()
        {
            _ui.target.onTouchBegin.Remove(OnClickUIBegin);
            _ui.target.onTouchMove.Remove(OnClickUIMove);
            _ui.target.onTouchEnd.Remove(OnClickUIEnd);

        }

        private void OnClickBtnBack()
        {
            this.Hide();
            RemoveListener();

            ViewManager.Show(ViewName.LUCKY_BOX_VIEW);
        }
        protected override void OnHide()
        {
            base.OnHide();
        }
    }
}