EditorGUILayout.BeginFadeGroup

Parameters

Description

Begins a group that can be be hidden/shown and the transition will be animated.

Returns if the group is visible or not.

using UnityEngine;
using UnityEditor;
using UnityEditor.AnimatedValues;
public class MyWindow : EditorWindow {
	AnimBool m_ShowExtraFields;
	string m_String;
	Color m_Color = Color.white;
	int m_Number = 0;
	[MenuItem("Window/My Window")]
	static void Init()
	{
		MyWindow window = (MyWindow)EditorWindow.GetWindow (typeof (MyWindow));
	}
	void OnEnable(){
		m_ShowExtraFields = new AnimBool(true);
		m_ShowExtraFields.valueChanged = Repaint;
	}
	void OnGUI () {
		m_ShowExtraFields.target = EditorGUILayout.ToggleLeft("Show extra fields", m_ShowExtraFields.target);
		//Extra block that can be toggled on and off.
		if (EditorGUILayout.BeginFadeGroup(m_ShowExtraFields.faded))
		{
			EditorGUI.indentLevel++;
			EditorGUILayout.PrefixLabel("Color");
			m_Color = EditorGUILayout.ColorField(m_Color);
			EditorGUILayout.PrefixLabel("Text");
			m_String = EditorGUILayout.TextField(m_String);
			EditorGUILayout.PrefixLabel("Number");
			m_Number = EditorGUILayout.IntSlider(m_Number,0,10);
			EditorGUI.indentLevel--;
		}
		EditorGUILayout.EndFadeGroup();
	}
}