cirnogodot/Scripts/Actors/BulletSpawner3D.cs

using Cirno.Scripts.Components;
using Cirno.Scripts.Controllers;
using Cirno.Scripts.Weapons;
using Godot;

namespace Cirno.Scripts.Actors;

public partial class BulletSpawner3D : Node3D
{
    [Export] public PackedScene BulletScene;

    public void SpawnBullet(BulletInfo bulletInfo, Vector3 position)
    {
        var bulletScene = bulletInfo.BulletScene ?? BulletScene;
        Bullet3D bullet;
        int count = bulletInfo.BulletCount;
        float spreadRadians = Mathf.DegToRad(bulletInfo.Spread);
        float step = count > 1 ? spreadRadians / (count - 1) : 0;

        for (int i = 0; i < count; i++)
        {
           
            bullet = PoolingManager.Instance.SpawnBullet<Bullet3D>(bulletInfo.OriginalBulletResource);
            bullet.GlobalPosition = position;
            
            if (bulletInfo.Modifier is not null)
            {
                bulletInfo = bulletInfo.Modifier.ModifyBullet(bulletInfo, i, count);
            }
            
            bullet.Initialize(bulletInfo);

            Vector2 baseDirection = bulletInfo.Direction == Vector2.Zero ? Vector2.Right : bulletInfo.Direction.Normalized();
            float baseAngle = Mathf.Atan2(baseDirection.Y, baseDirection.X);

            // Spread centered: offset from center
            float offsetFromCenter = (i - (count - 1) / 2.0f) * step;
            float angle = baseAngle + Mathf.DegToRad(bulletInfo.RotationOffset) + offsetFromCenter;

            Vector2 bulletDirection = new Vector2(Mathf.Cos(angle), Mathf.Sin(angle));
            bullet.SetDirection(bulletDirection);
            
            // float offsetRadians = Mathf.DegToRad(bulletInfo.RotationOffset);
            // float spreadStep = Mathf.DegToRad(bulletInfo.Spread) / Mathf.Max(1, bulletInfo.BulletCount - 1); // Ensure proper spread spacing, also add 1 if 0
            // float angle = baseAngle + offsetRadians + (spreadStep * i);
            //
            //
            // Vector2 bulletDirection = new Vector2(Mathf.Cos(angle), Mathf.Sin(angle));
            //
            // bullet.SetDirection(bulletDirection);
        }
    }

   
}