plugin-library/Assets/00.StaryEvo/Runtime/Tool/EventKit/EventTrigger/Physics/OnCollisionEnter2DEventTrigger.cs

using System;
using UnityEngine;

namespace Stary.Evo
{
    public class OnCollisionEnter2DEventTrigger : MonoBehaviour
    {
        public readonly EasyEvent<Collision2D> OnCollisionEnter2DEvent = new EasyEvent<Collision2D>();
        private void OnCollisionEnter2D(Collision2D col)
        {
            OnCollisionEnter2DEvent.Trigger(col);         
        }
    }

    public static class OnCollisionEnter2DEventTriggerExtension
    {
        public static IUnRegister OnCollisionEnter2DEvent<T>(this T self, Action<Collision2D> onCollisionEnter2D)
            where T : Component
        {
            return self.GetOrAddComponent<OnCollisionEnter2DEventTrigger>().OnCollisionEnter2DEvent
                .Register(onCollisionEnter2D);
        }
        
        public static IUnRegister OnCollisionEnter2DEvent(this GameObject self, Action<Collision2D> onCollisionEnter2D)
        {
            return self.GetOrAddComponent<OnCollisionEnter2DEventTrigger>().OnCollisionEnter2DEvent
                .Register(onCollisionEnter2D);
        }
    }
}