Pawnship Attack

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

public class PawnshipAttack : MonoBehaviour
{
    public int attackDamage = 5;      // The pawn ship's damage that it deals.

    public GameObject bluePlayer;     // References the blue player game object.
    public GameObject pawnShip;       // References the pawn ship game object.
    PlayerHealth playerHealth;        // References the PlayerHealth script.
    public bool playerInRange;        // Determines if the player is in range or not.

    private void Awake()
    {
        bluePlayer = GameObject.FindGameObjectWithTag("Player");   // Finds the game object that is assigned the tag "Player".
        playerHealth = GetComponent<PlayerHealth>();               // References the PlayerHealth script.
    }

    private void OnTriggerEnter2D(Collider2D other)
    {
        if (other.gameObject == bluePlayer)             // If the pawn ship's collider is in range of the player's collider...
        {
            playerInRange = true;                       // ... the player is in range.
        }
    }

    private void OnTriggerExit2D(Collider2D other)
    {
        if (other.gameObject == bluePlayer)             // If the pawn ship's collider is not in range of the player's collider...
        {
            playerInRange = false;                      // ... the player is not in range.
        }
    }

    private void Update()
    {
        if (playerInRange)            // If the player is in range...
        {
            Attack();                 // ... attack.
        }
    }

    void Attack()
    {
        if (playerHealth.currentHealth > 0)             // If the player's health is greater than 0 and the game object is the blue player...
        {
            playerHealth.TakeDamage(attackDamage);      // ... deal damage equivalent to the attackDamage specified earlier in this script.
        }
        Destroy(pawnShip);
    }
}