Method update

examples/docs.py:135–139

(self)

@define
class Steady(ExampleScene):
    def update(self):
        ExampleScene.update(self)
        self.steady_plane = True
        self.state.steady = 0.32
        self.state.offset = (1.5 * math.sin(self.cycle), 0.0)

@define
class Isometric(ExampleScene):