[Buff("RandomBulletSpeed", 
    "子弹增加随机速度 buff, " +
    "参数‘1’为增加子弹速度下限, " +
    "参数‘2’为增加子弹速度上限, 会从上限和下限随机抽取值")]
public class Buff_RandomBulletSpeed : BuffFragment
{
    private float _min;
    private float _max;
    
    public override void InitParam(float arg1, float arg2)
    {
        _min = arg1;
        _max = arg2;
    }
    
    public override void OnPickUpItem()
    {
        Role.RoleState.CalcBulletSpeedEvent += CalcBulletSpeedEvent;
    }
    
    public override void OnRemoveItem()
    {
        Role.RoleState.CalcBulletSpeedEvent -= CalcBulletSpeedEvent;
    }
    
    private void CalcBulletSpeedEvent(float originSpeed, RefValue<float> speed)
    {
        speed.Value += originSpeed * Utils.Random.RandomRangeFloat(_min, _max);
    }
}