EditorGUILayout.LayerField

public static int LayerField(int layer, params GUILayoutOption[] options);

public static int LayerField(int layer, GUIStyle style, params GUILayoutOption[] options);

public static int LayerField(string label, int layer, params GUILayoutOption[] options);

public static int LayerField(string label, int layer, GUIStyle style, params GUILayoutOption[] options);

public static int LayerField(GUIContent label, int layer, params GUILayoutOption[] options);

public static int LayerField(GUIContent label, int layer, GUIStyle style, params GUILayoutOption[] options);

Parameters

label		Optional label in front of the field.
layer		The layer shown in the field.
style		Optional GUIStyle.
options		An optional list of layout options that specify extra layout properties. Any values passed in here will override settings defined by the `style`. See Also: GUILayout.Width, GUILayout.Height, GUILayout.MinWidth, GUILayout.MaxWidth, GUILayout.MinHeight, GUILayout.MaxHeight, GUILayout.ExpandWidth, GUILayout.ExpandHeight.

Returns

int The layer selected by the user.

Description 描述

Make a layer selection field.

Set the layer of the selected GameObjects.

// Simple editor script that lets you set the layer for the
// selected GameObjects.

using UnityEngine;
using UnityEditor;

public class LayerFieldExample : EditorWindow
{
    static int selectedLayer = 0;

    [MenuItem("Examples/Layer Field usage")]
    static void Init()
    {
        LayerFieldExample window = (LayerFieldExample)GetWindow(typeof(LayerFieldExample));
        window.Show();
    }

    // Disable menu if we dont have at least 1 gameobject selected
    [MenuItem("Examples/Layer Field usage", true)]
    static bool ValidateSelection()
    {
        return Selection.activeGameObject != null;
    }

    void OnGUI()
    {
        selectedLayer = EditorGUILayout.LayerField("Layer for Objects:", selectedLayer);
        if (GUILayout.Button("Set Layer!"))
            SetLayer();
    }

    static void SetLayer()
    {
        foreach (var go in Selection.gameObjects)
            go.layer = selectedLayer;
    }
}