XiuXianGame/Assets/Scripts/GameLogic/Combat/Skill/MagicSkill/SkillShow/StraightLineShow.cs

using Common.Utility.CombatEvent;
using Core.Utility;
using Fort23.Core;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Logical;
using UnityEngine;
using Utility.CTween;

namespace GameLogic.Combat.Skill.MagicSkill
{
    public class StraightLineShow : MagicAttShowBasic
    {
        private CombatHeroEntity target;
        private BesselPath _besselPath;
        private float allTime;
        private float speed = 15;

        private float addTime;
        private System.Action callBack;

        public void SetTarget(CombatHeroEntity target, System.Action callBack)
        {
            this.callBack = callBack;
            this.target = target;
            _besselPath = CObjectPool.Instance.Fetch<BesselPath>();
            _skillBasic.CombatHeroEntity.GameObject.transform.eulerAngles = Vector3.zero;
            Vector3 p1 =
                _skillBasic.CombatHeroEntity.GameObject.transform.TransformPoint(new Vector3(-5f, 5f, 5f));
            Vector3 p2 = SetTargetPos2();
            _besselPath.controlPoints.Add(_skillBasic.CombatHeroEntity.GameObject.transform.position);
            _besselPath.controlPoints.Add(p1);
            _besselPath.controlPoints.Add(p2);
            _besselPath.controlPoints.Add(target.dotPos);
            float d = _besselPath.GetLengthAtT(allTime);
     
            addTime = 1.0f / (d / speed);
            allTime = 0;
        }

        protected Vector3 SetTargetPos2()
        {
            Vector3 p2 = target.GameObject.transform.TransformPoint(new Vector3(-5f, 1f, 5f));
            return p2;
        }

        protected override void ProUpdate(float t)
        {
            Vector3 p2 = SetTargetPos2();
            _besselPath.controlPoints[2] = p2;
            _besselPath.controlPoints[3] = target.dotPos;

            allTime += t * addTime;
            float v = CustomTweenManager.AnimationCurveLibrary.fabaoAtt.Evaluate(allTime);
            Vector3 lasetPos = _besselPath.CalculatePoint(v - 0.01f);
            Vector3 p = _besselPath.CalculatePoint(v);
            _skillBasic.CombatHeroEntity.combatHeroGameObject.SetPosition(p);
            Quaternion quaternion = Quaternion.LookRotation((p - lasetPos).normalized);
            _skillBasic.CombatHeroEntity.GameObject.transform.rotation =
                Quaternion.Lerp(_skillBasic.CombatHeroEntity.GameObject.transform.rotation, quaternion, 0.5f);
            if (allTime >= 1)
            {
                isUpdate = false;
                callBack?.Invoke();
            }
        }
    }
}