三、编辑器开发之CustomEditor

public CustomEditor (Type inspectedType);
public CustomEditor (Type inspectedType, bool editorForChildClasses);

using UnityEngine;

public class Person : MonoBehaviour
{
    public string Name;
    public int Age;
    public float Weight;
}

using UnityEditor;

[CustomEditor(typeof(Person))]
public class PersonInspector : Editor {}

using UnityEngine;
using UnityEditor;

[CustomEditor(typeof(Person))]
public class PersonInspector : Editor
{
    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();
        GUILayout.Label("Editor Extension...");
    }
}

using UnityEngine; 
using UnityEditor;

[CustomEditor(typeof(Person))]
public class PersonInspector : Editor
{
    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();
        GUILayout.Label("Editor Extension...");
        GUILayout.Button("Button");
    }
}