Major_Project_A/Assets/Scripts/Traps/CubeWithCrystals.cs

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

public class CubeWithCrystals : MonoBehaviour
{
    bool characterInWater = false;
    public GameObject crystals;

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

    public void Animate()
    {
        StartCoroutine(GrowShrinkCoroutine(new Vector3(0, 1, 0)));
    }
    public void returnToPosition()
    {
        StartCoroutine(GrowShrinkCoroutine(new Vector3(0, 0, 0)));
    }
}