编辑器下动态更换对象材质

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

[ExecuteInEditMode]
public class SetMaterial : MonoBehaviour {

#if UNITY_EDITOR
    [ContextMenu("SetMaterial")]
    void SetObjsMaterial()
    {
        MeshRenderer[] renders = gameObject.GetComponentsInChildren<MeshRenderer>();

        Material resMat = Resources.Load<Material>("Default_Materiall");

        foreach (MeshRenderer render in renders)
        {
            render.material = resMat;
        }
    }

    private void OnGUI()
    {
        MeshRenderer[] renders = gameObject.GetComponentsInChildren<MeshRenderer>();

        Material resMat = Resources.Load<Material>("Default_Materiall");

        foreach (MeshRenderer render in renders)
        {
            render.material = resMat;
        }
    }
#endif
}

 说明：

[ExecuteInEditMode] ： 表示在编辑器模式下执行OnGUI和Update

[ContextMenu("SetMaterial")] ： 在编辑器下手动执行自定义方法