GGJ_2022/Assets/Scripts/Parallax.cs

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

public class Parallax : MonoBehaviour
{
    private float startpos_x, startpos_y;
    public GameObject cam;
    public float parallaxEffect_x;
    public float parallaxEffect_y;

    void Start()
    {
        startpos_x = transform.position.x;
        startpos_y = transform.position.y;
    }

    // Update is called once per frame
    void FixedUpdate()
    {
        float dist_x = (cam.transform.position.x * parallaxEffect_x);
        float dist_y = (cam.transform.position.y * parallaxEffect_y);

        transform.position = new Vector3(startpos_x + dist_x, startpos_y + dist_y, transform.position.z);
    }
}