using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
/// <summary>
/// 空间测距脚本
/// </summary>
public class SpaceRanging : RangingLineType
{
    bool ControlRanging = false;//控制重复生成数字显示
    private void Start()
    {
        variableX = 5f;
        variableY = 18f;
        variableZ = 5f;
    }
    public override void HandleOther(bool flag)
    {
        if (ControlRanging)
        {
            EstimatePosY("Height");
            EstimatePosY("Width");
            ControlRanging = false;
            InstanceMeshText(placementPos, placementPos2);
            placementPos = new Vector3(0, 0, 0);
            placementPos2 = new Vector3(0, 0, 0);
        }
        else
        {
            ControlRanging = true;
        }
        if (!flag) { RangSpecialTreat(); }
    }
    /// <summary>
    /// 检查第一个碰撞点和第二个碰撞点的高度
    /// 从而判断哪个点是基础点
    /// </summary>
    Vector3 NewLine;
    public void EstimatePosY(string Value)
    {
        //根据新获取的点绘制线段
        if (placementPos.y < placementPos2.y)
        {
            if (Value.Equals("Height"))
            {
                NewLine = new Vector3(placementPos.x, placementPos2.y, placementPos.z);
            }
            else
            {
                NewLine = new Vector3(placementPos2.x, placementPos.y, placementPos2.z);
            }
            CreateLine(placementPos, NewLine);
            InstanceMeshText(placementPos, NewLine);
        }
        else
        {
            if (Value.Equals("Height"))
            {
                NewLine = new Vector3(placementPos2.x, placementPos.y, placementPos2.z);
            }
            else
            {
                NewLine = new Vector3(placementPos.x, placementPos2.y, placementPos.z);
            }
            CreateLine(placementPos2, NewLine);
            InstanceMeshText(placementPos2, NewLine);
        }
    }
    /// <summary>
    /// 实例化完成后显示米数
    /// </summary>
    /// <param name="placementPos">第一个碰撞点</param>
    /// <param name="placementPos2">第二个碰撞点</param>
    /// <param name="flag">标记起点米数</param>
    public void InstanceMeshText(Vector3 placementPos_, Vector3 placementPos2_)
    {
        float dis = Vector3.Distance(placementPos_, placementPos2_);
        float level = Vector2.Distance(new Vector2(placementPos_.x, placementPos_.z), new Vector2(placementPos2_.x, placementPos2_.z));
        float height = Mathf.Abs(placementPos_.y - placementPos2_.y);
        Vector3 vethight = new Vector3();
        Vector3 vetLow = new Vector3();

        //获取高低点
        if (placementPos_.y < placementPos2_.y)
        {
            vetLow = placementPos_;
            vethight = placementPos2_;
        }
        else
        {
            if (placementPos_.y == placementPos2_.y)//判断Y水平情况下
            {
                vetLow = placementPos_;
                vethight = placementPos2_;
            }
            else
            {
                vetLow = placementPos2_;
                vethight = placementPos_;
            }
        }

        if (ControlRanging)
        {
            //交叉点
            GameObject PointMeshText = Instantiate(Resources.Load<GameObject>("Prefab/Lines/Ranging"), vetLow, Quaternion.identity) as GameObject;
            PointMeshText.transform.parent = transform;
            PointMeshText.transform.localScale = new Vector3(2, 2, 1);
            PointMeshText.transform.Find("text").GetComponent<TextMesh>().text = "0";
            ControlRanging = false;
            RangList.Add(PointMeshText);
        }
        //顶点
        GameObject PointMeshText_ = Instantiate(Resources.Load<GameObject>("Prefab/Lines/Ranging"), vethight, Quaternion.identity) as GameObject;
        PointMeshText_.transform.parent = transform;
        PointMeshText_.transform.localScale = new Vector3(2, 2, 1);
        float distance = Vector3.Distance(vetLow, vethight);
        PointMeshText_.transform.Find("text").GetComponent<TextMesh>().text = Math.Round(distance, 2).ToString();
        RangList.Add(PointMeshText_);
    }

}