def DrawX(self, dc: wx.BufferedPaintDC, colour: wx.Colour, x, y): pen = wx.Pen(colour) pen.SetWidth(self.d / 20) dc.SetPen(pen) dc.SetBrush(wx.Brush(colour)) dc.DrawLine((x + 0.4) * self.d, (y + 0.4) * self.d, (x + 0.6) * self.d, (y + 0.6) * self.d) dc.DrawLine((x + 0.4) * self.d, (y + 0.6) * self.d, (x + 0.6) * self.d, (y + 0.4) * self.d)