Geomtry Dash camera follow

GD3DCameraFollow.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using DG.Tweening;

[ExecuteInEditMode]
public class GD3DCameraFollow : MonoBehaviour
{
    [SerializeField]
    private Transform playerTransform;

    [SerializeField]
    private Vector3 cameraOffset;

    [SerializeField]
    private float deadZone = 5;

    [SerializeField]
    [Range(0.1f, 3f)]
    private float tweenTime = 1f;

    private float camY = 0;
    private float targetCamY = 0;
    private float baseCamY = 0;
    private sbyte camStep = 1;
    private bool isTweening = false;

    // Update is called once per frame
    void Update()
    {
        if( playerTransform.position.y > camStep * deadZone ) {
            // camStep++ & lerp
            targetCamY = camStep * deadZone;

            camStep++;
            baseCamY = camY;
        } else if( playerTransform.position.y < (camStep * deadZone - deadZone / 2)) {
            // camStep-- & lerp
            camStep--;

            targetCamY = camStep * deadZone;
            baseCamY = camY;
        }

        if(camY != targetCamY && !isTweening) {
            // tween
            DOTween.To(() => baseCamY, x => camY = x, targetCamY, tweenTime).OnComplete(() => isTweening = false);
            isTweening = true;
        }

        transform.position = new Vector3(playerTransform.position.x, camY, playerTransform.position.z) + cameraOffset;
    }
}