Major_Project_A/Assets/Scripts/Traps/CrushingBoulder.cs

using System.Collections;
using System.Collections.Generic;
using TMPro;
using UnityEngine;

public class CrushingBoulder : ActiveBlock
{
    public int countdowntimer;
    public TextMeshPro counter;
    int countdown;

    public override int GetInitative()
    {
        return 3;
    }
    private void Start()
    {
        countdown = countdowntimer;
    }
    private void Update()
    {
        counter.text = countdown.ToString();
    }
    public override IEnumerator OnEnvironmentTurn(PlayerData[] allPlayers)
    {
        countdown--;
        if (countdown == 0)
        {
            StartCoroutine(FallRaiseCoroutine(-2.0f));
            yield return new WaitForSeconds(0.5f);
            StartCoroutine(FallRaiseCoroutine(2.0f));
            countdown = countdowntimer;
        }
        isFinished = true;
    }

    IEnumerator FallRaiseCoroutine(float dropDistance)
    {
        float elapsedTime = 0;
        Vector3 startPosition = transform.position;
        Vector3 endPosition = new Vector3(transform.position.x, transform.position.y + dropDistance, transform.position.z);
        float time = 0.8f;
        while (elapsedTime < time)
        {
            transform.position = Vector3.Lerp(startPosition, endPosition, (elapsedTime / time));
            yield return new WaitForEndOfFrame();
            elapsedTime += Time.deltaTime;
        }
        transform.position = endPosition;
    }
}