gistfile1.cs

using UnityEditor;
using UnityEngine;

public class Question2_practical : EditorWindow
{

    [MenuItem("Window/Question2")]
    static void OpenWindow()
    {
        GetWindow<Question2>();
    }


    private Texture2D texture;
    private string username;
    private int hp, atk, agi;

    void OnGUI()
    {
                EditorGUILayout.BeginHorizontal("box");
                EditorGUILayout.BeginVertical();

                username = EditorGUILayout.TextField("名前", username);
                hp = EditorGUILayout.IntSlider("HP", hp, 0, 10);
                atk = EditorGUILayout.IntSlider("力", atk, 0, 10);
                agi = EditorGUILayout.IntSlider("すばやさ", agi, 0, 10);
                EditorGUILayout.EndVertical();
        
                texture = (Texture2D)EditorGUILayout.ObjectField(texture, typeof(Texture2D), false, GUILayout.Width(64), GUILayout.Height(64));
        
                EditorGUILayout.EndHorizontal();
    }
}