using UnityEngine;

public class SawBlade : MonoBehaviour
{
    public float speed = 3f;
    public Vector2 direction = Vector2.up; // Set in Inspector (up, down, left, right)

    private void Update()
    {
        transform.Translate(direction * speed * Time.deltaTime);
    }

    private void OnCollisionEnter2D(Collision2D collision)
    {
        direction *= -1;
    }
}