def get_transformable_plane(self, x_range=None, y_range=None):
"""
x_range and y_range would be tuples (min, max)
"""
plane_config = dict(self.plane_config)
shift_val = ORIGIN
if x_range is not None:
x_min, x_max = x_range
plane_config["x_radius"] = x_max - x_min
shift_val += (x_max + x_min) * RIGHT / 2.
if y_range is not None:
y_min, y_max = y_range
plane_config["y_radius"] = y_max - y_min
shift_val += (y_max + y_min) * UP / 2.
plane = ComplexPlane(**plane_config)
plane.shift(shift_val)
if self.use_multicolored_plane:
self.paint_plane(plane)
return plane
def add_background_plane(self):
background = ComplexPlane(**self.plane_config)
background.fade(self.background_fade_factor)
self.add(background)
self.background = background