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这个插件可以在Hierarchy面板中显示此物体身上的所有组件图标(美观+清晰)

Window—AssetStore—Hierponent

插件的源码：

namespace Hierponent{    using UnityEngine;    using UnityEditor;    using System.Collections.Generic;    public class Hierponent    {        #region --- VAR ---        private const int MAX_ICON_NUM = 4;        private static List
   
     HideTypes =            new List
    
     () {typeof(Transform), typeof(ParticleSystemRenderer), typeof(CanvasRenderer),};        private static Transform OffsetObject = null;        private static int Offset = 0;        #endregion        #region --- MSG ---        [InitializeOnLoadMethod]        public static void Init()        {            EditorApplication.hierarchyWindowItemOnGUI += HieGUI;        }        public static void HieGUI(int instanceID, Rect rect)        {            // Check            Object tempObj = EditorUtility.InstanceIDToObject(instanceID);            if (!tempObj)            {                return;            }                        // fix rect            rect.width += rect.x;            rect.x = 0;                        // Logic            GameObject obj = tempObj as GameObject;            List
     
       coms = new List
      
       (obj.GetComponents
       
        ());            for (int i = 0; i < coms.Count; i++)            {                if (!coms[i])                {                    continue;                }                if (TypeCheck(coms[i].GetType()))                {                    coms.RemoveAt(i);                    i--;                }            }            int iconSize = 16;            int y = 1;            int offset = obj.transform == OffsetObject ? Offset : 0;            // Main            for (int i = 0; i + offset < coms.Count && i < MAX_ICON_NUM; i++)            {                Component com = coms[i + offset];                // Logic                Texture2D texture = AssetPreview.GetMiniThumbnail(com);                if (texture)                {                    GUI.DrawTexture(new Rect(rect.width - (iconSize + 1) * (i + 1), rect.y + y, iconSize, iconSize), texture);                }            }                        // More Button            if (coms.Count == MAX_ICON_NUM + 1)            {                Texture2D texture = AssetPreview.GetMiniThumbnail(coms[coms.Count - 1]);                if (texture)                {                    GUI.DrawTexture(new Rect(rect.width - (iconSize + 1) * (coms.Count - 1 + 1), rect.y + y, iconSize, iconSize),                        texture);                }            }            else if (coms.Count > MAX_ICON_NUM)            {                GUIStyle style = new GUIStyle(GUI.skin.label);                style.fontSize = 9;                style.alignment = TextAnchor.MiddleCenter;                if (GUI.Button(new Rect(rect.width - (iconSize + 2) * (MAX_ICON_NUM + 1), rect.y + y, 22, iconSize), "•••",                    style))                {                    if (OffsetObject != obj.transform)                    {                        OffsetObject = obj.transform;                        Offset = 0;                    }                    Offset += MAX_ICON_NUM;                    if (Offset >= coms.Count)                    {                        Offset = 0;                    }                }            }        }        #endregion        #region --- LGC ---        private static bool TypeCheck(System.Type type)        {            for (int i = 0; i < HideTypes.Count; i++)            {                if (type == HideTypes[i] || type.IsSubclassOf(HideTypes[i]))                {                    return true;                }            }            return false;        }        #endregion    }}
       
      
     
    
   

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