CapersProject/Assets/02.Scripts/BlueWater/Tycoon/LiquidIngredient.cs

using System;
using UnityEngine;
using UnityEngine.Serialization;

namespace DDD.Tycoons
{
    public abstract class LiquidIngredient : MonoBehaviour
    {
        [FormerlySerializedAs("_spriteRenderer")]
        [SerializeField]
        protected SpriteRenderer SpriteRenderer;

        [FormerlySerializedAs("_rigidbody2D")]
        [SerializeField]
        protected Rigidbody2D Rigidbody2D;

        [SerializeField, Range(0f, 2f)]
        protected float _distanceThreshold = 0.5f;

        protected bool CanInteraction;
        protected Collider2D TargetCollider;

        public static event Action OnReachedTarget;

        private void Update()
        {
            if (!TargetCollider || !CanInteraction) return;

            var closestPoint = TargetCollider.ClosestPoint(transform.position);
            var distance = Vector2.Distance(transform.position, closestPoint);

            if (distance < _distanceThreshold)
            {
                ReachedObject();
            }
        }

        public virtual void ReachedObject()
        {
            OnReachedTarget?.Invoke();
        }
    }
}