BGJ-2022.1/Assets/Scripts/Platforms/CollapsingPlatform.cs

using System.Collections;
using Movement;
using UnityEngine;

namespace Platforms
{
    public class CollapsingPlatform : MonoBehaviour
    {
        private const float TimeBeforeCollapse = 2.0f;
        private const float TimeBeforeReset = 4.0f;

        private CollisionChecker _collidingTriggerCheck;

        private bool _onCollision;

        private void Awake()
        {
            _collidingTriggerCheck = GetComponentInChildren<CollisionChecker>();
        }

        private void Update()
        {
            if (!_collidingTriggerCheck.IsCollided || _onCollision) return;
            _onCollision = true;
            StartCoroutine(Collapse());
        }

        private void ChangeState(bool state)
        {
            GetComponent<SpriteRenderer>().enabled = state;
            GetComponent<Collider2D>().enabled = state;
        }

        private IEnumerator Collapse()
        {
            GetComponent<SpriteRenderer>().color = Color.red;
            yield return new WaitForSeconds(TimeBeforeCollapse);
            ChangeState(false);
            StartCoroutine(Reset());
        }

        // ReSharper disable once Unity.IncorrectMethodSignature
        private IEnumerator Reset()
        {
            yield return new WaitForSeconds(TimeBeforeReset);
            _onCollision = false;
            GetComponent<SpriteRenderer>().color = Color.white;
            ChangeState(true);
        }
    }
}