cnam-geometry-dash/Assets/Scripts/PlayerCamera.cs

using UnityEngine;

public class PlayerCamera : MonoBehaviour
{
    public GameObject playerObject;
    public float normalMinYFollow = 2.0f;
    public float shipMinYFollow = 6.0f;
    public float smoothSpeed = 5.0f;
    private float initialY;

    private void Start()
    {
        initialY = transform.position.y;
    }

    private void Update()
    {
        Player player = playerObject.GetComponent<Player>();

        float minYFollow = normalMinYFollow;
        if (player.CurrentGameMode is ShipGameMode)
        {
            minYFollow = shipMinYFollow;
        }

        float targetY = initialY;
        if (playerObject.transform.position.y > minYFollow)
        {
            targetY = playerObject.transform.position.y;
        }

        float newY = Mathf.Lerp(transform.position.y, targetY, smoothSpeed * Time.deltaTime);

        transform.position = new Vector3(playerObject.transform.position.x, newY, transform.position.z);
    }
}