GGJ_2022/Assets/Scripts/Float.cs

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

public class Float : MonoBehaviour
{
    [SerializeField]
    private Vector3 m_direction;

    [SerializeField]
    private float m_speed;

    private Vector3 m_startPosition;
    private float m_randomOffset;

    // Start is called before the first frame update
    void Start()
    {
        m_startPosition = transform.position;
        m_randomOffset = Random.Range(0.0f, 1.0f);
    }

    // Update is called once per frame
    void Update()
    {
        transform.position = m_startPosition + Mathf.Sin(Time.time * m_speed + m_randomOffset) * m_direction;
    }
}