from manim import * import numpy as np config.frame_width = 16 config.frame_height = 9 config.pixel_width = 1920 config.pixel_height = 1080 config.background_color = "#0B1020" GOLD = "#F0C75E" CREAM = "#F4E8C1" TEAL = "#3DDC97" CORAL = "#FF6B6B" SKY = "#6EC6FF" LAVENDER = "#C4B5FD" SLATE = "#94A3B8" INK = "#0B1020" PANEL = "#141A2E" SOFT = "#1C2540" DIGIT_COLORS = [ "#94A3B8", "#F87171", "#FB923C", "#FBBF24", "#A3E635", "#34D399", "#22D3EE", "#60A5FA", "#A78BFA", "#F472B6", ] EVEN_DIGITS = {0, 2, 4, 6, 8} ODD_DIGITS = {1, 3, 5, 7, 9} _UID = 0 def next_uid(): global _UID _UID += 1 return _UID def make_digit_tile(d, color=None, radius=0.42, font_size=34, prefix="tile"): uid = next_uid() if color is None: color = DIGIT_COLORS[int(d) % 10] circ_id = f"{prefix}.circ.{uid}" txt_id = f"{prefix}.txt.{uid}" circ = Circle( radius=radius, fill_color=color, fill_opacity=0.95, stroke_color=WHITE, stroke_opacity=0.18, stroke_width=2, ) txt = Text(str(d), font_size=font_size, color=INK, weight=BOLD) txt.move_to(circ.get_center()) return VGroup(circ, txt) def make_number_row(digits, radius=0.42, font_size=34, buff=0.16, prefix="num"): tiles = VGroup(*[ make_digit_tile(d, radius=radius, font_size=font_size, prefix=prefix) for d in digits ]) tiles.arrange(RIGHT, buff=buff) return tiles def make_caption(text, font_size=32, color=CREAM): t = Text(text, font_size=font_size, color=color) if t.width > config.frame_width - 1.6: t.scale_to_fit_width(config.frame_width - 1.6) return t def make_title(text, font_size=40): t = Text(text, font_size=font_size, color=GOLD, weight=BOLD) if t.width > config.frame_width - 1.8: t.scale_to_fit_width(config.frame_width - 1.8) underline = Line( LEFT * (t.width * 0.42), RIGHT * (t.width * 0.42), color=GOLD, stroke_width=2, ) underline.set_opacity(0.7) underline.next_to(t, DOWN, buff=0.12) g = VGroup(t, underline) g.to_edge(UP, buff=0.42) return g class SoVaChuSo(Scene): def construct(self): SAFE_X = config.frame_width / 2 - 0.35 SAFE_Y = config.frame_height / 2 - 0.35 SAFE_Y_BOTTOM = config.frame_height / 2 - 0.7 TEXT_MAX_W = config.frame_width - 1.4 bg = self._build_background() self.add(bg) # ========================================================== # 1. Title # ========================================================== title = make_title("SỐ VÀ CHỮ SỐ", font_size=46) self.play(FadeIn(title, shift=UP * 0.2), run_time=0.9) self.wait(0.4) # ========================================================== # 2. Ten digits cascade # ========================================================== caption = make_caption("Có 10 chữ số", font_size=34) caption.next_to(title, DOWN, buff=0.45) caption.set_x(0) tiles = VGroup(*[ make_digit_tile(i, radius=0.46, font_size=36, prefix="ten") for i in range(10) ]) tiles.arrange(RIGHT, buff=0.20) tiles.next_to(caption, DOWN, buff=0.70) tiles.set_x(0) if tiles.width > TEXT_MAX_W: tiles.scale_to_fit_width(TEXT_MAX_W) self.play(FadeIn(caption, shift=DOWN * 0.15), run_time=0.5) self.play( LaggedStart( *[GrowFromCenter(t) for t in tiles], lag_ratio=0.10, ), run_time=2.0, ) self.play( LaggedStart( *[Indicate(t, color=WHITE, scale_factor=1.08) for t in tiles], lag_ratio=0.06, ), run_time=1.4, ) self.wait(0.5) # ========================================================== # 3. Building numbers from digits # ========================================================== self.play(FadeOut(caption), FadeOut(tiles), run_time=0.55) caption = make_caption("Chữ số ghép thành số", font_size=32) caption.next_to(title, DOWN, buff=0.42) caption.set_x(0) self.play(FadeIn(caption), run_time=0.4) examples = [ ([2, 5], "25", "hai chữ số"), ([3, 0, 8], "308", "ba chữ số"), ([1, 2, 4, 6], "1246", "bốn chữ số"), ] cards = VGroup() for digits, label, note in examples: row = make_number_row(digits, radius=0.40, font_size=32, buff=0.14, prefix="ex") name = Text(label, font_size=28, color=CREAM) sub = Text(note, font_size=22, color=SLATE) block = VGroup(row, name, sub).arrange(DOWN, buff=0.22) cards.add(block) cards.arrange(RIGHT, buff=1.10) cards.next_to(caption, DOWN, buff=0.70) cards.set_x(0) if cards.width > TEXT_MAX_W: cards.scale_to_fit_width(TEXT_MAX_W) self.play( LaggedStart(*[FadeIn(c, shift=UP * 0.25) for c in cards], lag_ratio=0.22), run_time=1.8, ) self.wait(1.1) # ========================================================== # 4. Leading zero rule # ========================================================== self.play(FadeOut(caption), FadeOut(cards), run_time=0.5) caption = make_caption("Chữ số đầu không được là 0", font_size=32) caption.next_to(title, DOWN, buff=0.42) caption.set_x(0) self.play(FadeIn(caption), run_time=0.4) bad = make_number_row([0, 2, 5], radius=0.48, font_size=36, buff=0.16, prefix="bad") good = make_number_row([2, 5], radius=0.48, font_size=36, buff=0.16, prefix="good") pair = VGroup(bad, good).arrange(RIGHT, buff=1.8) pair.next_to(caption, DOWN, buff=0.85) pair.set_x(0) ring0 = Circle(radius=0.58, color=CORAL, stroke_width=5) ring0.move_to(bad[0]) bang = Text("không", font_size=22, color=CORAL) bang.next_to(bad[0], UP, buff=0.18) bad_lab = Text("sai", font_size=26, color=CORAL) bad_lab.next_to(bad, DOWN, buff=0.32) good_lab = Text("đúng", font_size=26, color=TEAL) good_lab.next_to(good, DOWN, buff=0.32) arrow = Arrow( bad.get_right() + RIGHT * 0.12, good.get_left() + LEFT * 0.12, buff=0.08, color=GOLD, stroke_width=4, max_tip_length_to_length_ratio=0.18, ) self.play(FadeIn(bad, shift=LEFT * 0.2), FadeIn(bad_lab), run_time=0.6) self.play(Create(ring0), FadeIn(bang), run_time=0.45) self.play(GrowArrow(arrow), FadeIn(good, shift=RIGHT * 0.2), FadeIn(good_lab), run_time=0.7) self.wait(1.0) lead_group = VGroup(bad, good, ring0, bang, bad_lab, good_lab, arrow) # ========================================================== # 5. Comparison — Rule 1: more digits wins # ========================================================== self.play(FadeOut(caption), FadeOut(lead_group), FadeOut(title), run_time=0.55) title = make_title("SO SÁNH HAI SỐ", font_size=42) self.play(FadeIn(title, shift=UP * 0.15), run_time=0.55) caption = make_caption("Nhiều chữ số hơn thì lớn hơn", font_size=32) caption.next_to(title, DOWN, buff=0.42) caption.set_x(0) self.play(FadeIn(caption), run_time=0.4) n999 = make_number_row([9, 9, 9], radius=0.44, font_size=34, prefix="n999") n1000 = make_number_row([1, 0, 0, 0], radius=0.44, font_size=34, prefix="n1000") lab999 = Text("3 chữ số", font_size=24, color=SLATE) lab1000 = Text("4 chữ số", font_size=24, color=SLATE) col_a = VGroup(n999, lab999).arrange(DOWN, buff=0.28) col_b = VGroup(n1000, lab1000).arrange(DOWN, buff=0.28) cmp_row = VGroup(col_a, col_b).arrange(RIGHT, buff=1.6) cmp_row.next_to(caption, DOWN, buff=0.55) cmp_row.set_x(0) sign_slot = MathTex("<", font_size=64, color=GOLD) sign_slot.move_to((col_a.get_right() + col_b.get_left()) / 2) sign_slot.shift(UP * 0.18) self.play(FadeIn(col_a, shift=LEFT * 0.2), run_time=0.5) self.play(FadeIn(col_b, shift=RIGHT * 0.2), run_time=0.5) self.play(Write(sign_slot), run_time=0.5) result1 = MathTex(r"999 < 1000", font_size=44, color=CREAM) result1.next_to(cmp_row, DOWN, buff=0.50) result1.set_x(0) if result1.get_bottom()[1] < -SAFE_Y_BOTTOM: result1.shift(UP * (-SAFE_Y_BOTTOM - result1.get_bottom()[1] + 0.05)) self.play(FadeIn(result1, shift=UP * 0.12), run_time=0.5) self.wait(1.1) rule1 = VGroup(caption, cmp_row, sign_slot, result1) # ========================================================== # 6. Comparison — Rule 2: same length, scan left to right # ========================================================== self.play(FadeOut(rule1), run_time=0.5) caption = make_caption("Cùng số chữ số: so sánh từ trái", font_size=30) caption.next_to(title, DOWN, buff=0.40) caption.set_x(0) self.play(FadeIn(caption), run_time=0.4) top_digits = [3, 7, 2, 5] bot_digits = [3, 6, 8, 1] place_names = ["nghìn", "trăm", "chục", "đơn vị"] top_row = make_number_row(top_digits, radius=0.46, font_size=36, buff=0.38, prefix="top") bot_row = make_number_row(bot_digits, radius=0.46, font_size=36, buff=0.38, prefix="bot") top_row.set_x(0) bot_row.set_x(0) top_row.next_to(caption, DOWN, buff=0.85) bot_row.next_to(top_row, DOWN, buff=0.70) place_labs = VGroup() for i, name in enumerate(place_names): lab = Text(name, font_size=20, color=SLATE) lab.next_to(top_row[i], UP, buff=0.18) place_labs.add(lab) self.play(FadeIn(top_row), FadeIn(bot_row), FadeIn(place_labs), run_time=0.7) note_anchor_y = bot_row.get_bottom()[1] - 0.55 # Column 0: 3 = 3 note0 = Text("Hàng nghìn: 3 = 3", font_size=26, color=SLATE) note0.move_to([0, note_anchor_y, 0]) if note0.width > TEXT_MAX_W: note0.scale_to_fit_width(TEXT_MAX_W) self.play( top_row[0].animate.scale(1.12), bot_row[0].animate.scale(1.12), FadeIn(note0), run_time=0.55, ) self.wait(0.45) self.play( top_row[0].animate.scale(1 / 1.12), bot_row[0].animate.scale(1 / 1.12), FadeOut(note0), run_time=0.35, ) # Column 1: 7 > 6 — decision! glow_top = Circle(radius=0.58, color=GOLD, stroke_width=4, fill_opacity=0) glow_top.move_to(top_row[1]) note1 = Text("Hàng trăm: 7 > 6", font_size=28, color=GOLD) note1.move_to([0, note_anchor_y, 0]) if note1.width > TEXT_MAX_W: note1.scale_to_fit_width(TEXT_MAX_W) self.play( top_row[1].animate.scale(1.14), bot_row[1].animate.scale(1.14), Create(glow_top), FadeIn(note1), run_time=0.65, ) self.wait(0.55) result2 = MathTex(r"3725 > 3681", font_size=42, color=CREAM) result2.next_to(note1, DOWN, buff=0.32) result2.set_x(0) if result2.get_bottom()[1] < -SAFE_Y_BOTTOM: result2.next_to(note1, DOWN, buff=0.18) result2.set_x(0) self.play(FadeIn(result2, shift=UP * 0.1), run_time=0.5) self.wait(1.15) rule2 = VGroup( caption, top_row, bot_row, place_labs, glow_top, note1, result2 ) # ========================================================== # 7. Even and odd # ========================================================== self.play(FadeOut(rule2), FadeOut(title), run_time=0.55) title = make_title("SỐ CHẴN · SỐ LẺ", font_size=40) self.play(FadeIn(title, shift=UP * 0.15), run_time=0.55) caption = make_caption("Chỉ cần nhìn chữ số cuối", font_size=32) caption.next_to(title, DOWN, buff=0.40) caption.set_x(0) self.play(FadeIn(caption), run_time=0.4) even_header = Text("CHẴN", font_size=30, color=TEAL, weight=BOLD) odd_header = Text("LẺ", font_size=30, color=CORAL, weight=BOLD) even_digits_row = make_number_row( [0, 2, 4, 6, 8], radius=0.36, font_size=28, buff=0.14, prefix="even" ) odd_digits_row = make_number_row( [1, 3, 5, 7, 9], radius=0.36, font_size=28, buff=0.14, prefix="odd" ) even_card = VGroup(even_header, even_digits_row).arrange(DOWN, buff=0.32) odd_card = VGroup(odd_header, odd_digits_row).arrange(DOWN, buff=0.32) parity_cards = VGroup(even_card, odd_card).arrange(RIGHT, buff=1.40) parity_cards.next_to(caption, DOWN, buff=0.55) parity_cards.set_x(0) self.play( FadeIn(even_card, shift=LEFT * 0.2), FadeIn(odd_card, shift=RIGHT * 0.2), run_time=0.75, ) self.wait(0.35) # Spotlight last digit of two examples ex_even = make_number_row([2, 4, 8], radius=0.36, font_size=28, prefix="pe") ex_odd = make_number_row([9, 9, 9], radius=0.36, font_size=28, prefix="po") tag_e = Text("248 → chẵn", font_size=22, color=TEAL) tag_o = Text("999 → lẻ", font_size=22, color=CORAL) ev_block = VGroup(ex_even, tag_e).arrange(DOWN, buff=0.22) od_block = VGroup(ex_odd, tag_o).arrange(DOWN, buff=0.22) ex_row = VGroup(ev_block, od_block).arrange(RIGHT, buff=1.4) ex_row.next_to(parity_cards, DOWN, buff=0.42) ex_row.set_x(0) if ex_row.get_bottom()[1] < -SAFE_Y_BOTTOM: ex_row.next_to(parity_cards, DOWN, buff=0.28) ring_e = Circle(radius=0.48, color=TEAL, stroke_width=5) ring_e.move_to(ex_even[-1]) ring_o = Circle(radius=0.48, color=CORAL, stroke_width=5) ring_o.move_to(ex_odd[-1]) self.play(FadeIn(ex_row), run_time=0.5) self.play(Create(ring_e), Create(ring_o), run_time=0.5) self.play( Indicate(ex_even[-1], color=TEAL, scale_factor=1.12), Indicate(ex_odd[-1], color=CORAL, scale_factor=1.12), run_time=0.7, ) self.wait(1.0) evenodd = VGroup(caption, parity_cards, ex_row, ring_e, ring_o) # ========================================================== # 8. Practice # ========================================================== self.play(FadeOut(evenodd), FadeOut(title), run_time=0.55) title = make_title("THỬ SỨC", font_size=42) self.play(FadeIn(title, shift=UP * 0.15), run_time=0.5) questions = [ self._q_count_digits, self._q_compare, self._q_parity, self._q_largest, self._q_smallest, ] for i, qfn in enumerate(questions): qfn(title, i + 1, SAFE_Y_BOTTOM, TEXT_MAX_W) # ========================================================== # 9. Closing # ========================================================== self.play(FadeOut(title), run_time=0.4) finale = Text("Giỏi lắm!", font_size=56, color=GOLD, weight=BOLD) finale.move_to(ORIGIN) spark = VGroup(*[ make_digit_tile(d, radius=0.28, font_size=22, prefix="fin") for d in range(10) ]) spark.arrange(RIGHT, buff=0.14) spark.next_to(finale, DOWN, buff=0.55) spark.set_x(0) self.play(FadeIn(finale, scale=0.85), run_time=0.6) self.play( LaggedStart(*[GrowFromCenter(t) for t in spark], lag_ratio=0.07), run_time=1.1, ) self.wait(1.4) self.play(FadeOut(finale), FadeOut(spark), run_time=0.7) self.wait(0.2) # ------------------------------------------------------------------ # Background # ------------------------------------------------------------------ def _build_background(self): items = VGroup() fw, fh = config.frame_width, config.frame_height rng = np.random.default_rng(7) for _ in range(36): p = Dot( point=[ rng.uniform(-fw / 2 + 0.5, fw / 2 - 0.5), rng.uniform(-fh / 2 + 0.9, fh / 2 - 0.6), 0, ], radius=0.016, color=GOLD, ) p.set_opacity(0.22) items.add(p) return items # ------------------------------------------------------------------ # Practice helpers # ------------------------------------------------------------------ def _badge(self, n): uid = next_uid() circ_id = f"qbadge.circ.{uid}" txt_id = f"qbadge.txt.{uid}" circ = Circle( radius=0.28, fill_color=GOLD, fill_opacity=0.95, stroke_width=0, ) num = Text(str(n), font_size=22, color=INK, weight=BOLD) num.move_to(circ.get_center()) return VGroup(circ, num) def _place_question_header(self, title, n, prompt_text): badge = self._badge(n) prompt = Text(prompt_text, font_size=30, color=CREAM) if prompt.width > config.frame_width - 3.0: prompt.scale_to_fit_width(config.frame_width - 3.0) header = VGroup(badge, prompt).arrange(RIGHT, buff=0.28) header.next_to(title, DOWN, buff=0.48) header.set_x(0) return header def _q_count_digits(self, title, n, safe_bottom, text_max_w): header = self._place_question_header(title, n, "4 205 có bao nhiêu chữ số?") self.play(FadeIn(header, shift=DOWN * 0.12), run_time=0.5) row = make_number_row([4, 2, 0, 5], radius=0.50, font_size=38, buff=0.22, prefix="q1") row.next_to(header, DOWN, buff=0.70) row.set_x(0) self.play( LaggedStart(*[GrowFromCenter(t) for t in row], lag_ratio=0.12), run_time=0.9, ) counts = VGroup(*[ Text(str(i + 1), font_size=20, color=GOLD) for i in range(4) ]) for i, c in enumerate(counts): c.next_to(row[i], DOWN, buff=0.22) self.play(LaggedStart(*[FadeIn(c) for c in counts], lag_ratio=0.12), run_time=0.7) ans = Text("4 chữ số", font_size=36, color=TEAL, weight=BOLD) ans.next_to(row, DOWN, buff=0.85) ans.set_x(0) if ans.get_bottom()[1] < -safe_bottom: ans.next_to(VGroup(row, counts), DOWN, buff=0.40) ans.set_x(0) self.play(FadeIn(ans, shift=UP * 0.12), run_time=0.45) self.wait(1.0) self.play(FadeOut(VGroup(header, row, counts, ans)), run_time=0.45) def _q_compare(self, title, n, safe_bottom, text_max_w): header = self._place_question_header(title, n, "Điền dấu so sánh") self.play(FadeIn(header, shift=DOWN * 0.12), run_time=0.45) left = make_number_row([3, 9, 9, 8], radius=0.42, font_size=32, prefix="q2a") right = make_number_row([4, 0, 0, 1], radius=0.42, font_size=32, prefix="q2b") box = RoundedRectangle( width=0.72, height=0.72, corner_radius=0.1, stroke_color=GOLD, stroke_width=3, fill_color=SOFT, fill_opacity=0.9, ) qmark = Text("?", font_size=32, color=GOLD) qmark.move_to(box.get_center()) slot = VGroup(box, qmark) row = VGroup(left, slot, right).arrange(RIGHT, buff=0.45) row.next_to(header, DOWN, buff=0.70) row.set_x(0) self.play(FadeIn(row), run_time=0.55) self.wait(0.45) hint = Text("3 998 có 4 chữ số, 4 001 có 4 chữ số", font_size=22, color=SLATE) if hint.width > text_max_w: hint.scale_to_fit_width(text_max_w) hint.next_to(row, DOWN, buff=0.40) hint.set_x(0) self.play(FadeIn(hint), run_time=0.4) hint2 = Text("Hàng nghìn: 3 < 4", font_size=24, color=GOLD) hint2.next_to(hint, DOWN, buff=0.32) hint2.set_x(0) self.play(FadeIn(hint2), run_time=0.4) lt = MathTex("<", font_size=48, color=TEAL) lt.move_to(box.get_center()) self.play(FadeOut(qmark), run_time=0.25) slot.remove(qmark) self.remove(qmark) self.play(FadeIn(lt, scale=0.7), box.animate.set_stroke(TEAL), run_time=0.45) ans = MathTex(r"3998 < 4001", font_size=40, color=TEAL) ans.next_to(hint2, DOWN, buff=0.32) ans.set_x(0) if ans.get_bottom()[1] < -safe_bottom: ans.next_to(hint2, DOWN, buff=0.18) self.play(FadeIn(ans), run_time=0.4) self.wait(1.05) self.play(FadeOut(VGroup(header, row, hint, hint2, lt, ans)), run_time=0.45) def _q_parity(self, title, n, safe_bottom, text_max_w): header = self._place_question_header(title, n, "2 357 là số chẵn hay lẻ?") self.play(FadeIn(header, shift=DOWN * 0.12), run_time=0.45) row = make_number_row([2, 3, 5, 7], radius=0.50, font_size=38, buff=0.22, prefix="q3") row.next_to(header, DOWN, buff=0.75) row.set_x(0) self.play(FadeIn(row), run_time=0.5) ring = Circle(radius=0.62, color=CORAL, stroke_width=5) ring.move_to(row[-1]) pointer = Text("chữ số cuối", font_size=22, color=CORAL) pointer.next_to(row[-1], DOWN, buff=0.28) self.play(Create(ring), FadeIn(pointer), run_time=0.5) self.play(Indicate(row[-1], color=CORAL, scale_factor=1.12), run_time=0.55) ans = Text("Số lẻ", font_size=40, color=CORAL, weight=BOLD) ans.next_to(pointer, DOWN, buff=0.40) ans.set_x(0) if ans.get_bottom()[1] < -safe_bottom: ans.next_to(VGroup(row, pointer), DOWN, buff=0.28) ans.set_x(0) self.play(FadeIn(ans, shift=UP * 0.1), run_time=0.45) self.wait(1.0) self.play(FadeOut(VGroup(header, row, ring, pointer, ans)), run_time=0.45) def _q_largest(self, title, n, safe_bottom, text_max_w): header = self._place_question_header(title, n, "Số lớn nhất từ 2, 5, 8") self.play(FadeIn(header, shift=DOWN * 0.12), run_time=0.45) src = make_number_row([2, 5, 8], radius=0.48, font_size=36, buff=0.28, prefix="q4s") src.next_to(header, DOWN, buff=0.70) src.set_x(0) self.play( LaggedStart(*[GrowFromCenter(t) for t in src], lag_ratio=0.14), run_time=0.8, ) self.wait(0.25) dst = make_number_row([8, 5, 2], radius=0.48, font_size=36, buff=0.28, prefix="q4d") dst.move_to(src.get_center()) hint = Text("Xếp từ lớn đến bé", font_size=24, color=SLATE) hint.next_to(src, DOWN, buff=0.45) hint.set_x(0) self.play(FadeIn(hint), run_time=0.35) self.play(ReplacementTransform(src, dst), run_time=0.85) ans = Text("852", font_size=44, color=TEAL, weight=BOLD) ans.next_to(hint, DOWN, buff=0.38) ans.set_x(0) if ans.get_bottom()[1] < -safe_bottom: ans.next_to(hint, DOWN, buff=0.22) self.play(FadeIn(ans), run_time=0.4) self.wait(1.0) self.play(FadeOut(VGroup(header, dst, hint, ans)), run_time=0.45) def _q_smallest(self, title, n, safe_bottom, text_max_w): header = self._place_question_header(title, n, "Số nhỏ nhất từ 0, 3, 7") self.play(FadeIn(header, shift=DOWN * 0.12), run_time=0.45) src = make_number_row([0, 3, 7], radius=0.48, font_size=36, buff=0.28, prefix="q5s") src.next_to(header, DOWN, buff=0.65) src.set_x(0) self.play( LaggedStart(*[GrowFromCenter(t) for t in src], lag_ratio=0.14), run_time=0.8, ) # Show the trap: 037 is not a 3-digit number trap = make_number_row([0, 3, 7], radius=0.36, font_size=28, buff=0.16, prefix="q5t") trap_lab = Text("không phải 3 chữ số", font_size=20, color=CORAL) trap_block = VGroup(trap, trap_lab).arrange(DOWN, buff=0.16) trap_ring = Circle(radius=0.46, color=CORAL, stroke_width=4) trap_ring.move_to(trap[0]) good = make_number_row([3, 0, 7], radius=0.48, font_size=36, buff=0.22, prefix="q5g") good_lab = Text("chữ số đầu nhỏ nhất ≠ 0", font_size=22, color=TEAL) good_block = VGroup(good, good_lab).arrange(DOWN, buff=0.20) both = VGroup(trap_block, good_block).arrange(RIGHT, buff=1.3) both.next_to(src, DOWN, buff=0.50) both.set_x(0) trap_ring.move_to(trap[0]) if both.get_bottom()[1] < -safe_bottom: both.scale(0.9) both.next_to(src, DOWN, buff=0.35) both.set_x(0) trap_ring.move_to(trap[0]) self.play(FadeIn(trap_block), run_time=0.4) self.play(Create(trap_ring), run_time=0.35) self.play(FadeIn(good_block, shift=RIGHT * 0.15), run_time=0.5) ans = Text("307", font_size=42, color=TEAL, weight=BOLD) ans.next_to(both, DOWN, buff=0.32) ans.set_x(0) if ans.get_bottom()[1] < -safe_bottom: ans.next_to(both, DOWN, buff=0.16) ans.set_x(0) self.play(FadeIn(ans), run_time=0.4) self.wait(1.2) self.play( FadeOut(VGroup(header, src, trap_block, trap_ring, good_block, ans)), run_time=0.5, )

Untitled Fragment