OldBlueWater/BlueWater/Assets/02.Scripts/Player/Cannon.cs

using Sirenix.OdinInspector;
using Unity.Mathematics;
using UnityEngine;
using Random = UnityEngine.Random;

// ReSharper disable once CheckNamespace
namespace BlueWaterProject
{
    public class Cannon : MonoBehaviour
    {
        [Title("초기화 방식")]
        [SerializeField] private bool autoInit = true;
        
        [Title("캐논 변수")]
        [SerializeField] private GameObject projectileObj;
        [SerializeField] private Transform firePos;
        [Range(0f, 0.5f)]
        [SerializeField] private float fireAngle = 0.2f;
        [SerializeField] private float speed = 75f;
        [SerializeField] private float height = 20f;
        [SerializeField] private Vector2 randomCatch = new(1, 4);
        
        [Title("캐논 발사 카메라 효과")]
        [SerializeField] private float cameraShakePower = 2f;
        [SerializeField] private float cameraShakeDuration = 0.3f;

        private float cannonRadius;
        private LayerMask boidsLayer;

        private void Awake()
        {
            if (autoInit)
            {
                Init();
            }
        }

        [Button("셋팅 초기화")]
        private void Init()
        {
            projectileObj = Utils.LoadFromFolder<GameObject>("Assets/05.Prefabs/Particles/GrenadeFire", "GrenadeFireOBJ", ".prefab");
            firePos = transform.Find("FirePos");
            cannonRadius = projectileObj.GetComponent<SphereCollider>()?.radius ??
                           projectileObj.GetComponent<ParticleWeapon>().colliderRadius;
            boidsLayer = LayerMask.GetMask("Boids");
        }

        public void Fire(float chargingGauge)
        {
            VisualFeedbackManager.Inst.CameraShake(CameraManager.Inst.OceanCamera.BaseShipCam, cameraShakePower, cameraShakeDuration);
            var addAngle = chargingGauge * fireAngle;
            var firePosRotation = firePos.rotation.eulerAngles;
            firePosRotation.x -= addAngle;
            var projectile = Instantiate(projectileObj, firePos.position, Quaternion.Euler(firePosRotation));
            var particleWeapon = projectile.GetComponent<ParticleWeapon>();
            particleWeapon.onHitAction.AddListener(HandleCannonHit);
            //projectile.GetComponent<Rigidbody>().AddForce(projectile.transform.forward * (chargingGauge * speed));
            projectile.GetComponent<Rigidbody>().velocity = projectile.transform.forward * speed;
        }
        
        private void HandleCannonHit(RaycastHit hit, float power)
        {
            if (hit.collider.gameObject.layer == LayerMask.NameToLayer("Water"))
            {
                var start = hit.point;
                var direction = Vector3.down;
                var radius = cannonRadius;
                var maxDistance = height;
                
                if (Physics.SphereCast(start, radius, direction, out var hitInfo, maxDistance,
                        boidsLayer, QueryTriggerInteraction.Collide))
                {
                    Debug.DrawRay(start, direction * height, Color.green, 3f);

                    var hitBoids = hitInfo.collider.GetComponentInParent<Boids>();
                    hitBoids.CatchBoid(Random.Range((int)randomCatch.x, (int)randomCatch.y));
                }
                else
                {
                    Debug.DrawRay(start, direction * height, Color.red, 3f);
                }
            }
            else
            {
                hit.transform.GetComponent<IDamageable>()?.TakeDamage(power);
            }
        }
    }
}