/// <summary>
/// ZWN-XHJ
/// 左右手的手腕点的显示和隐藏
/// 20211013
/// </summary>
using UnityEngine;
using System.Collections;

public class JointFollow : MonoBehaviour
{
    public static JointFollow single;
    void Awake()
    {
        single = this;
        default_pos = new Vector2(-Screen.width, -Screen.height);
        prepos = default_pos;
        prepos2 = default_pos;
        left.gameObject.SetActive(false);
        right.gameObject.SetActive(false);
    }
    Vector2 default_pos = new Vector2(-Screen.width, -Screen.height);
    Vector2 curpos = new Vector2(0, 0), curpos2 = new Vector2(0, 0);
    Vector2 prepos = new Vector2(-1920, -1080), prepos2 = new Vector2(-1920, -1080);
    [HideInInspector]
    public bool left_flag = false, right_flag = false;
    bool leftlist_flag = false, rightlist_flag = false;
    [HideInInspector]
    public Vector3 left_vec, right_vec;
    public Transform left, right;
    bool ret = false;
    bool follow_flag = false;
    public void init_follow()
    {
        follow_flag = true;
    }
    public void end_follow()
    {
        follow_flag = false;
        left.gameObject.SetActive(false);
        prepos = default_pos;
        right.gameObject.SetActive(false);
        prepos2 = default_pos;
    }
    void Update()
    {
        if (follow_flag)
        {
            ret = true;
            if (ret)
            {
                left_flag = Tra_Pos();
                right_flag = Tra_Pos2();
                if (Application.platform == RuntimePlatform.Android)
                {
                    if (left_flag && ZwnAmlogicHelperData.isSomeone == true)
                    {
                        prepos = curpos;
                        left.localPosition = leftdistance();
                        curpos = left_vec;
                        if (prepos == default_pos)
                        {
                            prepos = curpos;
                        }
                        left.gameObject.SetActive(true);
                    }
                    else
                    {
                        left.gameObject.SetActive(false);
                        prepos = default_pos;
                    }
                }
                if (right_flag && ZwnAmlogicHelperData.isSomeone == true)
                {
                    prepos2 = curpos2;
                    right.localPosition = rightdistance();
                    curpos2 = right_vec;
                    if (prepos2 == default_pos)
                    {
                        prepos2 = curpos2;
                    }                  
                    right.gameObject.SetActive(true);
                }
                else
                {
                    right.gameObject.SetActive(false);
                    prepos2 = default_pos;
                }
            }
            if (Application.platform == RuntimePlatform.WindowsEditor || Application.platform == RuntimePlatform.WindowsPlayer)
            {
                if (right_flag)
                {
                    prepos2 = curpos2;
                    right.localPosition = rightdistance();      
                    curpos2 = right_vec;
                    if (prepos2 == default_pos)
                    {
                        prepos2 = curpos2;
                    }
                    right.gameObject.SetActive(true);;
                }
                else
                {
                    right.gameObject.SetActive(false);
                    prepos2 = default_pos;
                }
                if (left_flag && ZwnAmlogicHelperData.isSomeone == true)
                {
                    prepos = curpos;
                    left.localPosition = leftdistance();
                    curpos = left_vec;
                    if (prepos == default_pos)
                    {
                        prepos = curpos;
                    }

                    left.gameObject.SetActive(true);
                }
                else
                {
                    left.gameObject.SetActive(false);
                    prepos = default_pos;
                }
            }
        }
    }

    /// <summary>
    /// 第一个点
    /// </summary>
    /// <returns></returns>
    bool Tra_Pos()
    {
        if (zwn_common_data.single.zwn_transform_pose != null)
        {
            if (Application.platform == RuntimePlatform.WindowsEditor
                          || Application.platform == RuntimePlatform.WindowsPlayer)
            {
                if (zwn_common_data.single.zwn_transform_pose.Length >= 17)
                {
                    left_vec = zwn_common_data.single.zwn_transform_pose[9];
                }
            }
            if (Application.platform == RuntimePlatform.Android)// 使用Unity切换Platform无法模拟
            {
                if (zwn_common_data.single.zwn_transform_pose.Length >= 17)
                {
                    left_vec = zwn_common_data.single.zwn_transform_pose[9];
                }
            }
        }
        else
        {
            left_vec = new Vector3(-Screen.width, -Screen.height, 0);
        }
        if (left_vec.x < -1920 / 2 || left_vec.x > 1920 / 2
               || left_vec.y < -1080 / 2 || left_vec.y > 1080 / 2)
        {
            return false;
        }
        return true;
    }
    /// <summary>
    /// 第二个点
    /// </summary>
    /// <returns></returns>
    bool Tra_Pos2()
    {
        if (zwn_common_data.single.zwn_transform_pose != null)
        {
            if (Application.platform == RuntimePlatform.WindowsEditor
                          || Application.platform == RuntimePlatform.WindowsPlayer)
            {
                if (zwn_common_data.single.zwn_transform_pose.Length >= 17)
                {
                    right_vec = zwn_common_data.single.zwn_transform_pose[10];
                }
            }
            if (Application.platform == RuntimePlatform.Android)// 使用Unity切换Platform无法模拟
            {
                if (zwn_common_data.single.zwn_transform_pose.Length >= 17)
                {
                    right_vec = zwn_common_data.single.zwn_transform_pose[10];
                }
            }
        }
        else
        {
            right_vec = new Vector3(-Screen.width, -Screen.height, 0);
        }
        if (right_vec.x < -1920 / 2 || right_vec.x > 1920 / 2
                  || right_vec.y < -1080 / 2 || right_vec.y > 1080 / 2)
        {
            return false;
        }
        return true;
    }   
    /// <summary>
    /// 左手掌位置
    /// </summary>
    /// <returns></returns>
    Vector3 leftdistance()
    {
        Vector3 vec_left;
        Vector3 leftelbow = Vector3.zero;

        if (zwn_common_data.single.zwn_transform_pose.Length >= 17)
        {
            leftelbow = zwn_common_data.single.zwn_transform_pose[7];
        }
        vec_left = left_vec - ((leftelbow + left_vec) / 2 - left_vec) / 2;
        return vec_left;
    }
    /// <summary>
    /// 左手掌位置
    /// </summary>
    /// <returns></returns>
    Vector3 rightdistance()
    {
        Vector3 vec_right;
        Vector3 rightelbow = Vector3.zero;

        if (zwn_common_data.single.zwn_transform_pose.Length >= 17)
        {
            rightelbow = zwn_common_data.single.zwn_transform_pose[8];
        }
        vec_right = right_vec - ((rightelbow + right_vec) / 2 - right_vec) / 2;
        return vec_right;
    }




}