Unity3D通过脚本修改游戏对象图标Select Icon

using System;
using System.Reflection;
using UnityEditor;
using UnityEngine;
/// <summary>
/// 对象Icon管理设置
/// </summary>
public class IconManager
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    #region 数据定义
    private static GUIContent[] labelIcons;
    private static GUIContent[] largeIcons;
    /// <summary>
    /// Label类型icon 显示文字的
    /// </summary>
    public enum LabelIcon
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        Gray = 0,
        Blue,
        Teal,
        Green,
        Yellow,
        Orange,
        Red,
        Purple
    ｝
    /// <summary>
    /// 其他icon不显示文字
    /// </summary>
    public enum Icon
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        CircleGray = 0,
        CircleBlue,
        CircleTeal,
        CircleGreen,
        CircleYellow,
        CircleOrange,
        CircleRed,
        CirclePurple,
        DiamondGray,
        DiamondBlue,
        DiamondTeal,
        DiamondGreen,
        DiamondYellow,
        DiamondOrange,
        DiamondRed,
        DiamondPurple
    ｝
    #endregion
    #region 外部接口
    public static void SetIcon(GameObject gObj, LabelIcon icon)
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        if (labelIcons == null)
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            labelIcons = GetTextures("sv_label_", string.Empty, 0, 8);
        ｝
        SetIcon(gObj, labelIcons[(int)icon].image as Texture2D);
    ｝
    public static void SetIcon(GameObject gObj, Icon icon)
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        if (largeIcons == null)
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            largeIcons = GetTextures("sv_icon_dot", "_pix16_gizmo", 0, 16);
        ｝
        SetIcon(gObj, largeIcons[(int)icon].image as Texture2D);
    ｝
    private static void SetIcon(GameObject gObj, Texture2D texture)
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        var ty = typeof(EditorGUIUtility);
        var mi = ty.GetMethod("SetIconForObject", BindingFlags.NonPublic | BindingFlags.Static);
        mi.Invoke(null, new object[] ｛ gObj, texture ｝);
    ｝
    #endregion
    #region 内部
    private static GUIContent[] GetTextures(string baseName, string postFix, int startIndex, int count)
    ｛
        GUIContent[] guiContentArray = new GUIContent[count];
        var t = typeof(EditorGUIUtility);
        var mi = t.GetMethod("IconContent", BindingFlags.Public | BindingFlags.Static, null, new Type[] ｛ typeof(string) ｝, null);
        for (int index = 0; index < count; ++index)
        ｛
            guiContentArray[index] = mi.Invoke(null, new object[] ｛ baseName + (object)(startIndex + index) + postFix ｝) as GUIContent;
        ｝
        return guiContentArray;
    ｝
    #endregion
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IconManager.SetIcon(obj, IconManager.LabelIcon.Blue);