Example #1
0
def demo_boxes(scene: CodeScene):
    scene.add_background(f"{example_dir}/resources/blackboard.jpg")

    title = Text("examples/boxes.py", font=DEFAULT_FONT)
    title.to_edge(UP)
    scene.add(title)
    comp1 = TextBox("Component A", shadow=False)
    comp2 = TextBox("Component B", shadow=False)
    comp3 = TextBox("Component C", shadow=False)
    comp1.next_to(title, DOWN, buff=2)
    comp1.to_edge(LEFT)
    comp2.next_to(comp1, DOWN, buff=1)
    comp3.next_to(comp1, RIGHT, buff=4)
    arrow1 = Connection(comp2, comp1, "Do something")
    arrow2 = Connection(comp1, comp3, "Do another thing")

    scene.play(FadeIn(comp2))
    scene.wait_until_beat(1)
    scene.play(Create(arrow1))
    scene.play(FadeIn(comp1))
    scene.wait_until_beat(1)
    scene.play(Create(arrow2))
    scene.play(FadeIn(comp3))

    scene.wait_until_beat(4)
    scene.clear()
Example #2
0
def demo_sequence(scene: CodeScene):
    title = Text(
        """
        You can use Code Video Generator to also illustrate
        high-level concepts through sequence diagrams, or
        if you want more control, your own block diagrams:
        """,
        font=DEFAULT_FONT,
        line_spacing=0.5,
    ).scale(0.7)
    scene.play(Create(title, run_time=4, rate_func=linear))
    scene.wait(3)
    scene.clear()

    scene.add_background(f"{example_dir}/resources/blackboard.jpg")

    title = Text("examples/sequence-diagrams.py", font=DEFAULT_FONT)
    title.to_edge(UP)
    scene.add(title)

    diagram = AutoScaled(SequenceDiagram())
    browser, web, app = diagram.add_objects("Browser", "Web", "App")

    browser.to(web, "Make a request")
    web.to(app, "Request with no response")
    web.to(app, "Retrieve a json object")
    app.to(app, "Calls itself")
    app.note("Do lots and lots and lots of thinking")
    app.to(web, "Value from db")
    web.to(browser, "HTML response")

    diagram.next_to(title, DOWN)
    scene.play(Create(diagram))
    for interaction in diagram.get_interactions():
        scene.play(Create(interaction))
    scene.wait(3)
    scene.play(FadeOut(diagram),
               *[FadeOut(item) for item in diagram.interactions])
    scene.clear()