ShanxiKnowledgeBase/SXElectricalInspection/Assets/Art/8.23/Wires/Scripts/WireCreater.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

/// <summary>
/// 电线管理
/// </summary>
public class WireCreater : MonoBehaviour
{
    public static WireCreater Instance;
    /// <summary>
    /// 实时连线（消耗性能）
    /// </summary>
    public bool realTimeWire = false;
    /// <summary>
    /// 弧垂
    /// </summary>
    public float wireRatio = 0.03f;
    /// <summary>
    /// 线宽
    /// </summary>
    public float wireWidth = 0.2f;
    /// <summary>
    /// 线色
    /// </summary>
    public Color wireColor;
    /// <summary>
    /// 碰撞数量
    /// </summary>
    public int positionCount = 13;
    public Material linmaterial;

    void Awake()
    {
        Instance = this;
    }

    /// <summary>
    /// 创建电线模型
    /// </summary>
    /// <param name="fatherGo">父物体</param>
    /// <param name="wireName">名称</param>
    /// <param name="start"></param>
    /// <param name="end"></param>
    /// <param name="SagRatio">弧垂比例</param>
    private void CreateNewLineObj(GameObject fatherGo, Vector3 start, Vector3 end, float SagRatio = 0.03f)
    {
        GameObject newLine = new GameObject("line");
        LineRenderer lr = newLine.AddComponent<LineRenderer>();
        lr.startWidth = wireWidth;
        lr.endWidth = wireWidth;
        lr.positionCount = positionCount;
        //Material mat = new Material(linmaterial);
        //mat.color = new Color32(56, 56, 56, 255);
        lr.material = linmaterial;
        for (int i = 0; i < lr.positionCount; i++)
        {
            lr.SetPosition(i, SagHeight(i, start, end, SagRatio, lr.positionCount - 1));
        }
        CreateColliderLine(lr, "ChildCom");
    }

    /// <summary>
    /// 电线弧度的计算方式
    /// </summary>
    /// <param name="index"></param>
    /// <param name="start"></param>
    /// <param name="end"></param>
    /// <param name="SagRatio"></param>
    /// <param name="allNo"></param>
    /// <returns></returns>
    Vector3 SagHeight(int index, Vector3 start, Vector3 end, float SagRatio, int allNo)
    {
        float index2 = (float)index;
        float l = Vector3.Distance(start, end);//2电线杆之间的距离
        float h = Vector3.Distance(start, end) * SagRatio;//最大弧垂距离
        float a = (4 * (-h) / (l * l));//ax2+bx+c
        float b = (4 * h) / l;
        float f = l / allNo;//这个是分隔的每一段距离

        float HightDis = a * index * index * f * f + b * index * f;

        Vector3 h1 = start * (1 - index2 / allNo) + end * (index2 / allNo);//这个是不加弧垂时候的点
        h1 = h1 - new Vector3(0, HightDis, 0);
        return h1;
    }

    /// <summary>
    /// 创建电线模型
    /// </summary>
    /// <param name="fatherGo">父物体</param>
    /// <param name="wireName">名称</param>
    /// <param name="start"></param>
    /// <param name="end"></param>
    /// <param name="SagRatio">弧垂比例</param>
    public void CreateNewLine(WireObject dw, Vector3 start, Vector3 end, float SagRatio = 0.03f)
    {
        LineRenderer lr = dw.gameObject.GetComponent<LineRenderer>();
        lr.startWidth = wireWidth;
        lr.endWidth = wireWidth;
        lr.positionCount = positionCount;

        for (int i = 0; i < lr.positionCount; i++)
        {
            lr.SetPosition(i, SagHeight(i, start, end, SagRatio, lr.positionCount - 1));
        }
        CreateColliderLine(lr, "ChildCom");
    }

    /// <summary>
    /// 给lineRender
    /// </summary>
    /// <param name="lr"></param>
    public static void CreateColliderLine(LineRenderer lr, string ChildName)
    {
        return;
        GameObject line = lr.gameObject;
        List<Vector3> point = new List<Vector3>();
        for (int i = 0; i < lr.positionCount; i++)
        {
            point.Add(lr.GetPosition(i));
        }
        for (int i = 0; i < point.Count - 1; i++)
        {
            GameObject newgo = new GameObject(ChildName);
            //newgo = line;
            newgo.transform.SetParent(line.transform);
            CapsuleCollider capsule = newgo.AddComponent<CapsuleCollider>();
            capsule.direction = 2;
            capsule.radius = lr.startWidth * 2.5f;
            capsule.center = Vector3.zero;
            capsule.transform.position = point[i] + (point[i + 1] - point[i]) / 2;
            capsule.transform.LookAt(point[i]);
            capsule.height = (point[i + 1] - point[i]).magnitude;
        }
    }
}