using Unity.VisualScripting;
using UnityEngine;

namespace Game.Component.EnemyFSM_AI
{
    public class RandomWalk : EnemyFSMState
    {
        private Vector2 target;
        public override void OnEnter ()
        {
            this.Entity.AnimState.SetState (EnemyAnimStateType.Walk);
            this.target = this.CreateRandomPos ();
            this.SetAiTarget (this.target);
        }

        public override void OnUpdate ()
        {
            if (Vector2.Distance (this.Entity.transform.position, this.target) < 0.5f)
            {
                this.target = this.CreateRandomPos ();
                this.SetAiTarget (this.target);
            }
        }

        private Vector2 CreateRandomPos ()
        {
            var point = this.Entity.CreatePos;
            var area = this.Entity.WalkArea.Abs ();
            //随机生成一个位置
            var x = Random.Range(point.x - area.x / 2, point.x + area.x / 2);
            var y = Random.Range(point.y - area.y / 2, point.y + area.y / 2);
            return new Vector2(x, y);
        }
    }
}