[Displaying dynamic complex numbers] Displaying complex numbers from value trackers. #manim #decimalnumber #complexnumber #animation #complexvaluetracker #valuetracker

20240809_cplxnumber.py

# https://discord.com/channels/581738731934056449/1271400215525724162/1271400215525724162
from manim import *

class cplxNumber(Scene):
    def construct(self):
        ax = ComplexPlane().add_coordinates()
        self.add(ax)
        ctr = ComplexValueTracker(1+1j)
        cdisp = always_redraw(lambda:
            VGroup(
                DecimalNumber(number=ctr.get_value().real),
                DecimalNumber(number=ctr.get_value().imag, unit="i", include_sign=True)
            ).arrange(RIGHT,buff=0.1).to_corner(UR).add_background_rectangle()
        )
        dot = always_redraw(lambda:
            Dot(point=ax.n2p(ctr.get_value()), color=YELLOW)
        )
        self.add(cdisp,dot)
        self.wait()
        for _ in range(5):
            self.play(ctr.animate.set_value(np.random.uniform(-6,6)+1j*np.random.uniform(-3,3)))
            self.wait()

readme.md