[Displaying dynamic coordinates] Displaying x,y coordinates from value trackers. #manim #decimalnumber #coordinates #animation #valuetracker

20240809_coordnumber.py

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

class coordNumber(Scene):
    def construct(self):
        ax = NumberPlane().add_coordinates()
        self.add(ax)
        x = ValueTracker(1)
        y = ValueTracker(1)
        cdisp = always_redraw(lambda:
            VGroup(
                Text("("),
                DecimalNumber(number=x.get_value(),),
                VGroup(
                    Text(",)")[0],
                    Rectangle(width=0.2,height=0.5).set_opacity(0),
                ),
                DecimalNumber(number=y.get_value()),
                Text(")"),
            ).arrange(RIGHT,buff=0.1).to_corner(UR).add_background_rectangle()
        )
        dot = always_redraw(lambda:
            Dot(point=ax.c2p(x.get_value(),y.get_value()), color=YELLOW)
        )
        self.add(cdisp,dot)
        self.wait()
        for _ in range(5):
            self.play(
                x.animate.set_value(np.random.uniform(-6,6)),
                y.animate.set_value(np.random.uniform(-3,3))
            )
            self.wait()

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