public void StepOfShots()
        {
            while (DeltaShots != MainForm.sizeCell + 5)
            {
                for (int i = 0; i < ShotsKolobok.Count; i++)
                {
                    Move(ShotsKolobok[i], DeltaShots);
                }

                for (int i = 0; i < ShotsTanks.Count; i++)
                {
                    Move(ShotsTanks[i], DeltaShots);
                }

                for (int i = 0; i < Apples.Count; i++)
                {
                    mapGraphics.DrawImage(Apples[i].Img, Apples[i].X * MainForm.sizeCell, Apples[i].Y * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                }
                for (int i = 0; i < Obstacles.Count; i++)
                {
                    if (Obstacles[i].Ability == 1)
                    {
                        mapGraphics.DrawImage(Obstacles[i].Img, Obstacles[i].X * MainForm.sizeCell, Obstacles[i].Y * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                    }
                }

                DeltaShots += 5;
                map.Image   = backgroundMap;
                return;
            }


            DeltaShots = 5;

            for (int j = 0; j < ShotsTanks.Count; j++)
            {
                if (kolobok.Collide(ShotsTanks[j]))
                {
                    gameOver = true;
                    break;
                }
            }

            for (int i = 0; i < Tanks.Count; i++)
            {
                for (int j = 0; j < ShotsKolobok.Count; j++)
                {
                    if (Tanks[i].Collide(ShotsKolobok[j]))
                    {
                        mapGraphics.FillRectangle(Brushes.Black, Tanks[i].PrevX * MainForm.sizeCell, Tanks[i].PrevY * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                        mapGraphics.FillRectangle(Brushes.Black, ShotsKolobok[j].X * MainForm.sizeCell, ShotsKolobok[j].Y * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                        mapGraphics.FillRectangle(Brushes.Black, Tanks[i].X * MainForm.sizeCell, Tanks[i].Y * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                        mapGraphics.FillRectangle(Brushes.Black, ShotsKolobok[j].PrevX * MainForm.sizeCell, ShotsKolobok[j].PrevY * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                        Tanks.RemoveAt(i);
                        ShotsKolobok.RemoveAt(j);
                        i--;
                        j--;
                        break;
                    }
                }
            }


            for (int i = 0; i < ShotsKolobok.Count; i++)
            {
                ShotsKolobok[i].Move();
                var index = ShotsKolobok[i].InteractWithFixedObjects(Obstacles);
                if (index > 0)
                {
                    mapGraphics.FillRectangle(Brushes.Black, ShotsKolobok[i].PrevX * MainForm.sizeCell, ShotsKolobok[i].PrevY * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                    mapGraphics.FillRectangle(Brushes.Black, Obstacles[index].X * MainForm.sizeCell, Obstacles[index].Y * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                    Obstacles.RemoveAt(index);
                    ShotsKolobok.RemoveAt(i);
                }
            }

            for (int i = 0; i < ShotsTanks.Count; i++)
            {
                ShotsTanks[i].Move();

                /*if (ShotsTanks[i].CollideWithFixedObjects(Obstacles))
                 * {
                 *  mapGraphics.FillRectangle(Brushes.Black, ShotsTanks[i].PrevX * MainForm.sizeCell, ShotsTanks[i].PrevY * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                 *  ShotsTanks.RemoveAt(i);
                 *  i--;
                 *  continue;
                 * }*/
                var index = ShotsTanks[i].InteractWithFixedObjects(Obstacles);
                if (index > 0)
                {
                    mapGraphics.FillRectangle(Brushes.Black, ShotsTanks[i].PrevX * MainForm.sizeCell, ShotsTanks[i].PrevY * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                    mapGraphics.FillRectangle(Brushes.Black, Obstacles[index].X * MainForm.sizeCell, Obstacles[index].Y * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                    Obstacles.RemoveAt(index);
                    ShotsTanks.RemoveAt(i);
                    i--;
                    continue;
                }
                if (kolobok.Collide(ShotsTanks[i]))
                {
                    gameOver = true;
                    break;
                }
            }


            for (int i = 0; i < Tanks.Count; i++)
            {
                for (int j = 0; j < ShotsKolobok.Count; j++)
                {
                    if (Tanks[i].Collide(ShotsKolobok[j]))
                    {
                        mapGraphics.FillRectangle(Brushes.Black, Tanks[i].PrevX * MainForm.sizeCell, Tanks[i].PrevY * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                        mapGraphics.FillRectangle(Brushes.Black, ShotsKolobok[j].X * MainForm.sizeCell, ShotsKolobok[j].Y * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                        mapGraphics.FillRectangle(Brushes.Black, Tanks[i].X * MainForm.sizeCell, Tanks[i].Y * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                        mapGraphics.FillRectangle(Brushes.Black, ShotsKolobok[j].PrevX * MainForm.sizeCell, ShotsKolobok[j].PrevY * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
                        Tanks.RemoveAt(i);
                        ShotsKolobok.RemoveAt(j);
                        i--;
                        j--;
                        break;
                    }
                }
            }



            for (int i = 0; i < Apples.Count; i++)
            {
                if (Apples[i].Collide(kolobok))
                {
                    Apples.RemoveAt(i);
                    Score++;
                    break;
                }
                mapGraphics.DrawImage(Apples[i].Img, Apples[i].X * MainForm.sizeCell, Apples[i].Y * MainForm.sizeCell, MainForm.sizeCell, MainForm.sizeCell);
            }

            RespOfApples();
            DeltaShots += 5;
            map.Image   = backgroundMap;
        }