[008]align_to/arrange/arrange_in_grid

align_to

class AlignToTest(Scene):
    def construct(self):
        dir_str = [ 'UP', 'DOWN', 'LEFT', 'RIGHT']
        dir_list = [ UP, DOWN, LEFT, RIGHT]

        rect = Rectangle(width=1, height=0.4)
        rect_tgt = Rectangle(width=3, height=2).shift(RIGHT * 3, UP * 2)

        self.add(rect, rect_tgt)

        for str, dir in zip(dir_str, dir_list):
            new_rect = rect.copy()
            obj = self.get_text_rect(str, new_rect)
            self.play(obj.align_to, rect_tgt, dir)
        self.wait()

    def get_text_rect(self, str, rect):
        text = Text(str, font='Arial', stroke_width=0.1, size=0.2)

        text.move_to(rect)
        return VGroup(rect,text)

 

---

 

arrange (1)

class ArrangeTest(Scene):
    def construct(self):
        str = ['Hello', 'This', 'is', 'Arrange', 'Test']
        self.display_text1(str)
        # self.display_text2(str)

    def display_text1(self, str):
        text = VGroup()
        for s in str:
            t = self.get_text(s)
            text.add(t)

        text.to_edge(UP, buff=1)
        text.arrange(DOWN, buff=0.5)
        self.play(Write(text), run_time=3)
        self.wait()
        self.remove(text)

        text.move_to(ORIGIN).to_edge(LEFT, buff=1)
        text.arrange(RIGHT, buff=0.2)
        
    def get_text(self,str):
        return Text(str, font='굴림', stroke_width=0, size=0.5)        
        self.play(Write(text), run_time=3)
        self.wait()
        self.remove(text)

 

---

 

arrange (2)

class ArrangeTest(Scene):
    def construct(self):
        str = ['Hello', 'This', 'is', 'Arrange', 'Test']
        # self.display_text1(str)
        self.display_text2(str)

    def display_text2(self, str):
        text = VGroup(*[self.get_text(s) for s in str ])

        text.move_to(ORIGIN).to_edge(UP, buff=1)
        text.arrange(DOWN, center=False, aligned_edge = LEFT, buff=0.5)
        self.play(Write(text), run_time=3)
        self.wait()
        self.remove(text)

        text.move_to(ORIGIN).to_edge(LEFT, buff=1)
        text.arrange(LEFT, buff=0.2)
        # text.arrange(RIGHT, buff=0.2)
        self.play(Write(text), run_time=3)
        self.wait()

    def get_text(self,str):
        return Text(str, font='굴림', stroke_width=0, size=0.5)

 

---

arrange_in_grid

class ArrangeInGridTest(Scene):
    def construct(self):
        y = 20
        x = 30
        colors = [RED, GREEN, BLUE]
        dots = VGroup(*[Dot() for x in range(y * x)])
        dots.arrange_in_grid(y, x, buff=SMALL_BUFF)
        for i in range(0, y*x):
            dots[i].set_color(colors[i % 3])

        self.add(dots)
        self.wait()