Limiting On screen bullets

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

public class PlayerMovement : MonoBehaviour
{
public float speed = 5.0f;
public Rigidbody2D rb;
public Weapon weapon;

Vector2 mousePosition;

void Update()
{
    // Get input from the horizontal and vertical axes
    float horizontal = Input.GetAxis("Horizontal");
    float vertical = Input.GetAxis("Vertical");
    
    if (Input.GetMouseButtonDown(0))
    {
        weapon.Fire();
    }

   

    // Create a new vector to store the player's movement
    Vector3 movement = new Vector3(horizontal, vertical, 0);

    // Move the player by the given speed in the direction of the movement vector
    transform.position += movement * speed * Time.deltaTime;

}

}

Thanks for the information… TigerIsHome