Bullet

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

public class Bullet : MonoBehaviour {

    public float maxDistance = 500f;
    public int damage = 1;

    Vector3 startCoords;

    private void Start() {
        startCoords = transform.position;
    }

    private void Update() {
        if (Vector3.Distance(transform.position, startCoords) >= maxDistance) {
            Destroy(gameObject);
        }
    }

    private void OnCollisionEnter(Collision collision) {
        if (collision.gameObject.TryGetComponent(out Health health)) {
            health.Damage(damage);
        }

        Destroy(gameObject);
    }
}