BloodAndGore/Assets/Scripts/Guns/RevolverBullet.cs

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

namespace Saltosion.OneWeapon.Bullets {
    [RequireComponent(typeof(Bullet))]
    public class RevolverBullet : MonoBehaviour {

        public Rigidbody2D Body;
        public GameObject Sprite;

        public ParticleSystem Trail;
        public ParticleSystem Explosion;

        private float DeathTimer = 0;

        void Start() {
            Vector2 Direction = GetComponent<Bullet>().Direction;
            float Rot = GetComponent<Bullet>().InitialRotation;

            Body.velocity = Direction * 15;
            Body.rotation = Rot - 90;

            Explosion.Stop();
        }

        void Update() {
            DeathTimer += Time.deltaTime;
            if (DeathTimer > 20) {
                Destroy(gameObject);
            }
        }

        void OnTriggerEnter2D(Collider2D collider) {
            if (collider.GetComponent<Player>() != null) {
                // don't hit the player!
                return;
            }
            Destroy(Sprite);
            Destroy(Body);
            Destroy(GetComponent<CapsuleCollider2D>());
            Explosion.Play();
            Trail.Stop();
            DeathTimer = 19;

            // Do damage here, kill everyone
            Explodable Explodable = collider.GetComponent<Explodable>();
            Health Health = collider.GetComponent<Health>();
            Vector2 Direction = (collider.transform.position - transform.position).normalized;
            if (Health != null) {
                Health.Damage(12f, -Direction);
            } else if (Explodable != null) {
                Explodable.Explode(true);
            } else if (collider.tag == "Environment") {
                BloodLauncher.DebrisExplode(transform.position, Body.velocity.normalized * 0.7f, 5, 30f, 360);
            }
            if (collider.attachedRigidbody != null && collider.attachedRigidbody.bodyType == RigidbodyType2D.Dynamic) {
                collider.attachedRigidbody.AddForce(Direction * 4f, ForceMode2D.Impulse);
            }
        }
    }
}