Bar functionality

Bar.cs

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

public class Bar : MonoBehaviour
{

    public float fr = 1;
    float climbValue;
    float climbItensity = 1;
    public Gradient barColour;
    public GameObject bar;

    // Update is called once per frame
    void Update()
    {
        climbValue = Mathf.Abs(Mathf.Cos(Time.time * fr));
        transform.localScale = new Vector3(1, climbValue, 1);
        bar.GetComponent<SpriteRenderer>().color = barColour.Evaluate(climbValue);

        if (Input.GetKeyDown(KeyCode.Space))
        {
            //pass into velocity rb.velocty = new vec2 (pos.x ,climbValue * climbItensity);
            print(climbValue);
        }
    }
}