public void Reperage(float mvtx, float mvty, float destinationx, float destinationy, int speed, int persovit, int Rayon, int persotaille)
        {
            {
                Fantomebullet fantomebullet;
                fantomebullet = new Fantomebullet();

                float deltaX = (mvtx - destinationx); //calcul distance entre les deux instances en X
                float deltaY = (mvty - destinationy); //En Y

                int nstep = Rayon / fantomebullet.balleSpeed;
                int dpJoueurMax = nstep * persovit;
                int nballe = dpJoueurMax / (persotaille-2); //marge d'erreur 2px

                double Alpha = Math.Atan2(deltaY,deltaX);
                double HYP = Math.Sqrt((deltaX * deltaX) + (deltaY * deltaY));
                double Beta = Math.Atan2(HYP, dpJoueurMax);

                double deltaZ = (Alpha + Beta) - (Alpha - Beta);
                double Aincrementer = deltaZ / nballe;

                for(double i2 = Alpha-Beta; i2 <= (Alpha+Beta); i2+= Aincrementer )
                {
                    fantomebullet.position = new Vector2(mvtx, mvty);
                    fantomebullet.balleVitesse = new Vector2(Convert.ToSingle(Math.Cos(i2)) * -speed, Convert.ToSingle(Math.Sin(i2)) * -speed);
                    lstfballe.Add(fantomebullet);



                for (int i = lstfballe.Count - 1; i >= 0; i--)
                    {
                        fantomebullet = lstfballe[i];
                        if (fantomebullet.isRemoved == true)
                        {
                            lstfballe.Remove(fantomebullet);
                        }
                    }
                    retir = false;
                }


            }