EditorGUI.Foldout

Parameters

Returns

bool 用户选择的折叠状态。如果为 true，则应渲染子对象。

Description

Makes a label with a foldout arrow to the left of it.

这适用于创建树或文件夹之类的结构，其中子对象仅在父项展开时显示。


Foldout in an Editor Window.

using UnityEditor;
using UnityEngine;
using System.Collections;

// Create a foldable menu that hides/shows the selected transform position.
// if no Transform is selected, the Foldout item will be folded until a transform is selected.
public class EditorGUIFoldout : EditorWindow
{
    public bool showPosition = true;
    public string status = "Select a GameObject";
    [MenuItem("Examples/Foldout Usage")]
    static void Init()
    {
        UnityEditor.EditorWindow window = GetWindow(typeof(EditorGUIFoldout));
        window.position = new Rect(0, 0, 150, 60);
        window.Show();
    }

    void OnGUI()
    {
        showPosition = EditorGUI.Foldout(new Rect(3, 3, position.width - 6, 15), showPosition, status);
        if (showPosition)
            if (Selection.activeTransform)
            {
                Selection.activeTransform.position = EditorGUI.Vector3Field(new Rect(3, 25, position.width - 6, 40), "Position", Selection.activeTransform.position);
                status = Selection.activeTransform.name;
            }

        if (!Selection.activeTransform)
        {
            status = "Select a GameObject";
            showPosition = false;
        }
    }

    void OnInspectorUpdate()
    {
        Repaint();
    }
}