BananaMovement.cs

using UnityEngine;
using System.Collections;

public class BananaMovement : MonoBehaviour {

    float maxSpeed = 5f;
    int BulletHealth = 1;

    // Update is called once per frame
    void Update() {

        //move the bullet straight according to the direction its facing
        if (EnemyAI.LookRight == true) {
            float rotation = 360 * Time.deltaTime;
            float curRotation = transform.localRotation.eulerAngles.z;
            transform.localRotation = Quaternion.Euler(new Vector3(0, 0, curRotation + -rotation));
            Vector3 position = transform.position;
            Vector3 movement = new Vector3(maxSpeed * Time.deltaTime, 0, 0);
            position += movement;
            transform.position = position;
        }

        else {
            float rotation = 360 * Time.deltaTime;
            float curRotation = transform.localRotation.eulerAngles.z;
            transform.localRotation = Quaternion.Euler(new Vector3(0, 0, curRotation + rotation));
            Vector3 position = transform.position;
            Vector3 movement = new Vector3(-maxSpeed * Time.deltaTime, 0, 0);
            position += movement;
            transform.position = position;
        }

    }

	void OnTriggerEnter2D() {
		Destroy(gameObject);
	}



}