using UnityEngine;

public class RootCrawler : MonoBehaviour
{

    public Transform target;
    public float maxHeight;
    public float crawlingSpeed;

    private float height = 0f;

    // Update is called once per frame
    void Update()
    {
        if (target == null)
            return;
        height += Time.deltaTime * crawlingSpeed;
        height = Mathf.Clamp(height, 0f, maxHeight);
        transform.position = target.position + Vector3.up * height;     
    }
}