PGiZ3/Assets/Code/Gameplay/Weapons/Bullet.cs

using UnityEngine;
using Code.Gameplay.Core;

namespace Code.Gameplay.Weapons
{
    public class Bullet : MonoBehaviour
    {
        [SerializeField] private float lifeTime = 3f;
        [SerializeField] private LayerMask hitLayers = -1;
        [SerializeField] private GameObject impactEffect;
        [SerializeField] private AudioClip impactSound;
        
        private float _speed;
        private float _damage;
        private Vector3 _direction;
        private bool _isInitialized;
        private AudioSource _audioSource;

        public void Initialize(float speed, float damage, Vector3 direction)
        {
            _speed = speed;
            _damage = damage;
            _direction = direction.normalized;
            _isInitialized = true;
            
            _audioSource = GetComponent<AudioSource>();
            
            Destroy(gameObject, lifeTime);
        }

        private void Update()
        {
            if (!_isInitialized) return;

            transform.position += _direction * (_speed * Time.deltaTime);

            transform.rotation = Quaternion.LookRotation(_direction);

            if (Physics.Raycast(transform.position, _direction, out var hit, _speed * Time.deltaTime, hitLayers))
            {
                HitTarget(hit);
            }
        }

        private void HitTarget(RaycastHit hit)
        {
            var damageable = hit.collider.GetComponentInParent<IDamageable>();
            damageable?.TakeDamage(_damage);

            if (impactEffect != null)
            {
                Instantiate(impactEffect, hit.point, Quaternion.LookRotation(hit.normal));
            }

            if (impactSound != null && _audioSource != null)
            {
                _audioSource.PlayOneShot(impactSound);
            }
            
            Destroy(gameObject);
        }

        private void OnTriggerEnter(Collider other)
        {
            var damageable = other.GetComponentInParent<IDamageable>();
            damageable?.TakeDamage(_damage);

            if (impactEffect != null)
            {
                Instantiate(impactEffect, transform.position, Quaternion.identity);
            }
            
            Destroy(gameObject);
        }
    }
}