def get_real_2d_coords_from_theoretical_3d_coords(self, point: QVector3D):
z = point.x()
y = point.y()
x = point.z()
x_2 = -(x - z) * sqrt(3) / 2
y_2 = -((x + z) / 2 - y)
return self.get_real_coord(QPointF(x_2, y_2))
def get_coords_from_3d(self, point: QVector3D, k):
return QPointF(point.x() - k * point.z() / 2,
point.y() - k * point.z() / 2)
