using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;
using RootMotion.FinalIK;
namespace MetaClient
{
    public class AniBoneMove : MonoBehaviour, IDragHandler, IEndDragHandler, IBeginDragHandler
    {
        public Transform obj;
        public Transform target;
        public float dis;
        public Transform bone;
        public AniManager bonePicture;
        // Start is called before the first frame update
        public void ChangeDragImage(BonePicTarget _bonePicTarget, float _dis)
        {
            //tI = _tI;
            obj = _bonePicTarget.pic;
            target = _bonePicTarget.target;
            dis = _dis;
            bone = _bonePicTarget.bone;
        }

        public void OnDrag(PointerEventData eventData)
        {


            Vector3 imagePos = obj.transform.position;
            Vector3 imagePosNext = new Vector3(imagePos.x + eventData.delta.x, imagePos.y + eventData.delta.y, imagePos.z);

            Vector3 screenPos = Camera.main.ScreenToWorldPoint(imagePosNext);

            var boneParDis = Vector3.Distance(bone.transform.parent.position, screenPos);
            var boneDis = Vector3.Distance(bone.transform.position, bone.transform.parent.position);
            if ((boneDis + dis) < boneParDis)
            {
                return;
            }
            target.position = screenPos;
            obj.position = imagePosNext;

            //BoneRotateByTime boneRotateByTime = bone.gameObject.GetComponent<BoneRotateByTime>();
            // boneRotateByTime.NowRo();
            bonePicture.chooseImage.ForEach(i =>
            {
               // BoneRotateByTime boneRotateByTime = i.bone.gameObject.GetComponent<BoneRotateByTime>();
               // boneRotateByTime.NowRo();
            });


            bonePicture.bonePicTarget.ForEach(
                i =>
                {
                    if (i.pic.gameObject != this.gameObject)
                    {
                        i.target.position = i.bone.transform.position;
                        i.pic.position = Camera.main.WorldToScreenPoint(i.bone.transform.position);
                    };
                }
                );
        } 
        public void OnBeginDrag(PointerEventData eventData)
        {
            //LimbIK limbIK = target.gameObject.AddComponent<LimbIK>();
            ////limbIK.enabled = false;
            //limbIK.solver.bone1.transform = bone.parent.parent.transform;
            //limbIK.solver.bone2.transform = bone.transform;
            //limbIK.solver.bone3.transform = bone.GetChild(0).transform;
            //limbIK.solver.target = target.transform;
            //limbIK.solver.SetIKPositionWeight(1f);
            //limbIK.solver.SetIKRotationWeight(0);
            bonePicture.cCDIK.enabled = true;
           // bonePicture.MoveFun();
            Debug.Log("开始拖拽");
        }
        public void OnEndDrag(PointerEventData eventData)
        {
           // bonePicture.NotMoveFun();
            //bonePicture.cCDIK.enabled = false;
            ////Destroy(target.GetComponent<LimbIK>());
            //Debug.Log("结束拖拽");
        }
        // Update is called once per frame
        void Update()
        {

        }
    }
}