FireDrillSystem_GuiGang_WDGC/Assets/Scripts/Common/Editor/SceneTool.cs

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

public class SceneTool : EditorWindow
{
    [MenuItem("Tool/ChangePivot")]
    //绘制窗口
    static void tranPoint()
    {
        SceneTool win = (SceneTool)EditorWindow.GetWindow(typeof(SceneTool), false, "Tool", false);
        win.Show();
    }
    void OnGUI()
    {
        //设置字体类型
        GUIStyle style1 = new GUIStyle();
        //字体大小为15
        style1.fontSize = 15;
        //字体颜色为灰白色
        style1.normal.textColor = new Color(0.7f, 0.7f, 0.7f);

        GUIStyle style2 = new GUIStyle();
        style2.fontSize = 13;
        style2.normal.textColor = new Color(0.7f, 0.7f, 0.7f);

        //垂直绘制
        GUILayout.BeginHorizontal();
        {
            //lab的绘制
            EditorGUILayout.LabelField("▼TransformPoint", style1);


            //控制坐标位置的按钮绘制

            if (GUI.Button(new Rect(60, 40, 70, 25), "Top"))
            {
                if (Selection.activeGameObject)
                    TopPoint();

            }
            if (GUI.Button(new Rect(60, 70, 70, 25), "Center"))
            {
                if (Selection.activeGameObject)
                    CenterPoint();
            }
            if (GUI.Button(new Rect(60, 100, 70, 25), "Button"))
            {
                if (Selection.activeGameObject)
                    Buttom();
            }

        }
    }

    //坐标放在物体中心
    void CenterPoint()
    {

        Transform parent = Selection.activeGameObject.transform;
        if (parent.GetComponent<Renderer>() != null)
        {
            GameObject parent02 = new GameObject("A");

            parent02.transform.position = parent.position;
            parent02.transform.SetParent(parent.parent);
            parent.SetParent(parent02.transform);
            Selection.activeGameObject = parent02;
            parent = parent02.transform;

        }

        Vector3 position = parent.position;
        Vector3 scale = parent.localScale;
        //Vector3 rotate = parent.localEulerAngles;


        parent.position = Vector3.zero;
        parent.localScale = Vector3.one;
        //parent.localEulerAngles = Vector3.zero;


        Renderer[] m_renderer = parent.GetComponentsInChildren<Renderer>();
        Vector3 center = Vector3.zero;

        foreach (Renderer child in m_renderer)
        {
            center += child.bounds.center;
        }
        center /= m_renderer.Length;



        Bounds m_bounds = new Bounds(center, Vector3.zero);
        foreach (Renderer b in m_renderer)
        {
            m_bounds.Encapsulate(b.bounds);
        }
        foreach (Transform t in parent)
        {
            t.position = t.position - m_bounds.center;
        }

        parent.position = position + m_bounds.center;
        parent.localScale = scale;
        //parent.localEulerAngles = rotate;
    }

    //坐标放在物体中心的最顶端
    void TopPoint()
    {
        Transform parent = Selection.activeGameObject.transform;
        if (parent.GetComponent<Renderer>() != null)
        {
            GameObject parent02 = new GameObject("A");

            parent02.transform.position = parent.position;
            parent02.transform.SetParent(parent.parent);
            parent.SetParent(parent02.transform);
            Selection.activeGameObject = parent02;
            parent = parent02.transform;
        }

        Vector3 position = parent.position;
        Vector3 scale = parent.localScale;
        //Vector3 rotate = parent.localEulerAngles;


        parent.position = Vector3.zero;
        parent.localScale = Vector3.one;
        //parent.localEulerAngles = Vector3.zero;


        Renderer[] m_renderer = parent.GetComponentsInChildren<Renderer>();
        Vector3 center = Vector3.zero;

        foreach (Renderer child in m_renderer)
        {
            center += child.bounds.center;
        }
        center /= m_renderer.Length;


        Bounds m_bounds = new Bounds(center, Vector3.zero);
        foreach (Renderer b in m_renderer)
        {
            m_bounds.Encapsulate(b.bounds);
        }

        Vector3 V = m_bounds.center + new Vector3(0, m_bounds.size.y / 2, 0);

        foreach (Transform t in parent)
        {
            t.position -= V;
        }

        parent.position = position + V;
        parent.localScale = scale;
        //parent.localEulerAngles = rotate;
    }

    //坐标放在物体中心的最底端
    void Buttom()
    {
        Transform parent = Selection.activeGameObject.transform;
        if (parent.GetComponent<Renderer>() != null)
        {
            GameObject parent02 = new GameObject("A");

            parent02.transform.position = parent.position;
            parent02.transform.SetParent(parent.parent);
            parent.SetParent(parent02.transform);
            Selection.activeGameObject = parent02;
            parent = parent02.transform;
        }

        Vector3 position = parent.position;
        Vector3 scale = parent.localScale;
        //Vector3 rotate = parent.localEulerAngles;


        parent.position = Vector3.zero;
        parent.localScale = Vector3.one;
        //parent.localEulerAngles = Vector3.zero;


        Renderer[] m_renderer = parent.GetComponentsInChildren<Renderer>();
        Vector3 center = Vector3.zero;

        foreach (Renderer child in m_renderer)
        {
            center += child.bounds.center;
        }
        center /= m_renderer.Length;


        Bounds m_bounds = new Bounds(center, Vector3.zero);
        foreach (Renderer b in m_renderer)
        {
            m_bounds.Encapsulate(b.bounds);
        }

        Vector3 V = m_bounds.center - new Vector3(0, m_bounds.size.y / 2, 0);

        foreach (Transform t in parent)
        {
            t.position -= V;
        }

        parent.position = position + V;
        parent.localScale = scale;
        //parent.localEulerAngles = rotate;
    }


}