ヽ｜∵｜ゝ(Fantom) の 開発blog？

using UnityEngine;

#if UNITY_EDITOR
using UnityEditor;
#endif

namespace Example
{
    public class DebugFieldAttribute : PropertyAttribute
    {
        //※中身は空で良い
    }

#if UNITY_EDITOR
    [CustomPropertyDrawer(typeof(DebugFieldAttribute))]
    public class DebugFieldDrawer : PropertyDrawer
    {
        static readonly Color _color = Color.green;  //色を指定

        public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
        {
            return EditorGUI.GetPropertyHeight(property, label, true);
        }

        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
        {
            var tmpColor = GUI.color;  //一時退避
            GUI.color = _color;
            EditorGUI.PropertyField(position, property, label, true);
            GUI.color = tmpColor;
        }
    }
#endif
}

using UnityEngine;

#if UNITY_EDITOR
using UnityEditor;
#endif

namespace Example
{
    public class InternalFieldAttribute : PropertyAttribute
    {
        //※中身は空で良い
    }

#if UNITY_EDITOR
    [CustomPropertyDrawer(typeof(InternalFieldAttribute))]
    public class InternalFieldDrawer : PropertyDrawer
    {
        static readonly Color _color = Color.cyan;  //色を指定

        public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
        {
            return EditorGUI.GetPropertyHeight(property, label, true);
        }

        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
        {
            var tmpColor = GUI.color;  //一時退避
            GUI.color = _color;
            EditorGUI.PropertyField(position, property, label, true);
            GUI.color = tmpColor;
        }
    }
#endif
}

using UnityEngine;

public class FieldColorTest : MonoBehaviour
{
    [SerializeField, DebugField] string debugValue = "hoge";
    [SerializeField, InternalField] int internalValue = 123;
    [SerializeField, Disable] float disableValue = 3.141592f;  //Disable 属性は以前に作ったもの
    [SerializeField] string normalValue = "piyo";
}

using System;
using UnityEngine;

public static partial class Extensions  //※クラス名は任意
{
    public static void SetEnableHalo(this Light light, bool isOn)
    {
        if (light == null)
            return;

        var halo = (Behaviour)light.gameObject.GetComponent("Halo");  //Behaviour 型
        //var halo = light.gameObject.GetComponent("Halo");  //Component 型
        if (halo != null)
        {
            halo.enabled = isOn;  //Behaviour 型
            //halo.GetType().GetProperty("enabled")?.SetValue(halo, isOn, null);  //Component 型
       }
    }
}

using UnityEngine;

public class SetEnableHaloTest : MonoBehaviour
{
    public Light _light;  //インスペクタでアタッチしておく

    //Button の OnClick 等からコールバックする
    public void HaloOnClick()
    {
        _light.SetEnableHalo(true);
    }

    //Button の OnClick 等からコールバックする
    public void HaloOffClick()
    {
        _light.SetEnableHalo(false);
    }
}

using UnityEngine;

#if UNITY_EDITOR
using UnityEditor;

public static partial class Utils  //※クラス名は任意
{
    /// <summary>
    /// Game View の解像度を取得する (戻値：Vector2Int 型)
    /// 2023/09/02 Fantom
    /// http://fantom1x.blog130.fc2.com/blog-entry-431.html
    /// </summary>
    /// <returns>x = width, y = height</returns>
    public static Vector2Int GetGameViewResolution()
    {
        var res = UnityStats.screenRes.Split('x');  //"1920x1080" 等
        return new Vector2Int(int.Parse(res[0]), int.Parse(res[1]));
    }
}
#endif

using UnityEngine;
using UnityEditor;

[CustomEditor(typeof(GameViweResoTest))]  //クラス名は任意(ヒエラルキーにアタッチ)
public class GameViweResoTestEditor : Editor  //クラス名は任意(※Editorフォルダに置く)
{
    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();

        GUILayout.Space(15);

        if (GUILayout.Button("GameViewResolution"))
        {
            Debug.Log($"Screen: {Screen.width}x{Screen.height}");
            var reso = Utils.GetGameViewResolution();
            Debug.Log($"GameViewResolution: {reso.x}x{reso.y}");
        }

        GUILayout.Space(15);
    }
}

using UnityEngine;

#if UNITY_EDITOR
using UnityEditor;

public static partial class Utils  //※クラス名は任意
{
    /// <summary>
    /// Game View の解像度を取得する (戻値：Tuple 型)
    /// 2023/09/02 Fantom
    /// http://fantom1x.blog130.fc2.com/blog-entry-431.html
    /// </summary>
    /// <returns>w = width, h = height</returns>
    public static (int w, int h) GetGameViewResolutionAsTuple()
    {
        var res = UnityStats.screenRes.Split('x');  //"1920x1080" 等
        return (int.Parse(res[0]), int.Parse(res[1]));
    }
}
#endif

using UnityEngine;
using UnityEditor;

[CustomEditor(typeof(GameViweResoTest))]  //クラス名は任意(ヒエラルキーにアタッチ)
public class GameViweResoTestEditor : Editor  //クラス名は任意(※Editorフォルダに置く)
{
    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();

        GUILayout.Space(15);

        if (GUILayout.Button("GameViewResolution"))
        {
            Debug.Log($"Screen: {Screen.width}x{Screen.height}");
            var (w, h) = Utils.GetGameViewResolutionAsTuple();
            Debug.Log($"GameViewResolution (Tuple): {w}x{h}");
        }

        GUILayout.Space(15);
    }
}

using UnityEngine;

public static partial class Extensions  //※クラス名は任意
{
    /// <summary>
    /// カメラの Viewport 内に表示されているか？
    /// 2023/08/01 Fantom
    /// http://fantom1x.blog130.fc2.com/blog-entry-430.html
    /// </summary>
    /// <param name="cam">判定するカメラ</param>
    /// <param name="pos">対象ワールド位置(transform.position)</param>
    /// <returns></returns>
    public static bool InCamera(this Camera cam, Vector3 pos)
    {
        if (cam == null)
            return false;

        var vp = cam.WorldToViewportPoint(pos);
        return (0f <= vp.x && vp.x <= 1f && 0f <= vp.y && vp.y <= 1f);
    }
}

using UnityEngine;

public static partial class Extensions  //※クラス名は任意
{
    /// <summary>
    /// カメラの Viewport 内に表示されているか？
    /// 2023/08/01 Fantom
    /// http://fantom1x.blog130.fc2.com/blog-entry-430.html
    /// </summary>
    /// <param name="cam">判定するカメラ</param>
    /// <param name="tr">対象Transform</param>
    /// <returns></returns>
    public static bool InCamera(this Camera cam, Transform tr)
    {
        if (cam == null || tr == null)
            return false;

        var vp = cam.WorldToViewportPoint(tr.position);
        return (0f <= vp.x && vp.x <= 1f && 0f <= vp.y && vp.y <= 1f);
    }
}