Script 2

public class EnemyPatrol : EnemyTouch
{
    public float minX;
    public float maxX;
    public float minY;
    public float maxY;
    Vector2 targetPosition;
    public float speed;
    public float speedTimer = 1f;
    public float speedBoost = 1f;

    // Start is called before the first frame update
    void Start()
    {
        targetPosition = GetRandomPosition();
    }
    // Update is called once per frame
    void Update()
    {
        if ((Vector2)transform.position != targetPosition)
        {
            transform.position = Vector2.MoveTowards(transform.position, targetPosition, speed * Time.deltaTime);


        }
        else
        {
            targetPosition = GetRandomPosition();
        }

       /* if ((Vector2)transform.position != targetPosition && EnemyTouchAndScore()==true )
        {
            StartCoroutine(BoostSpeedCo());


        }*/
    }
    Vector2 GetRandomPosition()
    {
        float randomX = Random.Range(minX, maxX);
        float randomY = Random.Range(minY, maxY);
        return new Vector2(randomX, randomY);
    }
    IEnumerator BoostSpeedCo()
    {
        transform.position = Vector2.MoveTowards(transform.position, targetPosition, speedBoost + speed * Time.deltaTime);
        yield return new WaitForSeconds(speedTimer);
        // transform.position = Vector2.MoveTowards(transform.position, targetPosition, speed * Time.deltaTime);

    }