Basic player movement

Assets/Scripts/Bullet1.cs

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+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Bullet1 : MonoBehaviour {
+    [SerializeField] float speed;
+
+    public void AddForce(int direction) {
+        Rigidbody2D rb = GetComponent<Rigidbody2D>();
+        rb.velocity = Vector2.right * direction * speed;
+    }
+
+    void OnCollisionEnter2D(Collision2D other) {
+        Destroy(gameObject);
+    }
+}