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# -*- coding: utf-8 -*-
import sys, os
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
from manim import *
from tiktok import *
# datos reales (Charig et al., 1986): tratamiento A vs B para calculos renales
LEV = (("A", 81, 87), ("B", 234, 270))
GRA = (("A", 192, 263), ("B", 55, 80))
TOT = (("A", 81 + 192, 87 + 263), ("B", 234 + 55, 270 + 80))
BARW = 4.05 # ancho de barra al 100%
XL = -1.55 # borde izquierdo de las barras
class Simpson(TikTok):
NAME = "simpson"
def barra(self, letra, num, den, y, gana):
pct = 100.0 * num / den
col = VERDE if gana else GRIS
lab = Text(letra, font=FONT, font_size=50, weight=BOLD,
color=CELESTE if letra == "A" else ROSA)
lab.move_to([-3.65, y, 0])
track = RoundedRectangle(corner_radius=0.12, width=BARW, height=0.62,
stroke_width=0, fill_color="#1B2233", fill_opacity=1)
track.move_to([XL, y, 0], LEFT)
fill = RoundedRectangle(corner_radius=0.12, width=max(pct / 100 * BARW, 0.2),
height=0.62, stroke_width=0, fill_color=col, fill_opacity=1)
fill.move_to([XL, y, 0], LEFT)
val = Text(f"{pct:.0f}%", font=FONT, font_size=42, weight=BOLD, color=col)
val.next_to(track, RIGHT, buff=0.22)
return VGroup(lab, track, fill, val)
def bloque(self, titulo, datos, ytop, ganador):
t = Text(titulo, font=FONT, font_size=40, weight=BOLD, color=WHITE)
t.move_to([-3.85, ytop, 0], LEFT)
b1 = self.barra(datos[0][0], datos[0][1], datos[0][2], ytop - 0.85,
datos[0][0] == ganador)
b2 = self.barra(datos[1][0], datos[1][1], datos[1][2], ytop - 1.70,
datos[1][0] == ganador)
return VGroup(t, b1, b2)
def construct(self):
self.prepare()
chip = self.chip("Estadística que engaña", ROSA)
with self.beat(0) as b:
b.play(FadeIn(chip, shift=DOWN * 0.3), run_time=0.45)
cab = VGroup(
self.fit(Text("dos tratamientos", font=FONT, font_size=52,
weight=BOLD, color=WHITE), 8.2),
VGroup(
Text("A", font=FONT, font_size=90, weight=BOLD, color=CELESTE),
Text("vs", font=FONT, font_size=44, color=GRIS),
Text("B", font=FONT, font_size=90, weight=BOLD, color=ROSA),
).arrange(RIGHT, buff=0.7),
).arrange(DOWN, buff=0.45).move_to(UP * 3.0)
b.play(FadeIn(cab[0], shift=UP * 0.15), run_time=0.6)
b.play(FadeIn(cab[1][0], scale=0.6), run_time=0.35)
b.play(FadeIn(cab[1][1]), run_time=0.2)
b.play(FadeIn(cab[1][2], scale=0.6), run_time=0.35)
lev = self.bloque("casos LEVES", LEV, 2.55, "A")
with self.beat(1) as b:
b.play(cab.animate.scale(0.5).move_to(UP * 5.4), run_time=0.5)
b.play(FadeIn(lev[0], shift=RIGHT * 0.2), run_time=0.4)
for bb in (lev[1], lev[2]):
b.play(FadeIn(bb[0]), FadeIn(bb[1]),
GrowFromEdge(bb[2], LEFT), FadeIn(bb[3]), run_time=0.55)
gra = self.bloque("casos GRAVES", GRA, -0.35, "A")
with self.beat(2) as b:
b.play(FadeIn(gra[0], shift=RIGHT * 0.2), run_time=0.4)
for bb in (gra[1], gra[2]):
b.play(FadeIn(bb[0]), FadeIn(bb[1]),
GrowFromEdge(bb[2], LEFT), FadeIn(bb[3]), run_time=0.55)
def tilde(col=VERDE):
m = VMobject(stroke_color=col, stroke_width=9)
m.set_points_as_corners([[-0.20, 0.02, 0], [-0.05, -0.18, 0], [0.24, 0.26, 0]])
return m
with self.beat(3) as b:
tick = VGroup(*[tilde() for _ in range(2)])
tick[0].next_to(lev[1][3], RIGHT, buff=0.25)
tick[1].next_to(gra[1][3], RIGHT, buff=0.25)
b.play(FadeIn(tick[0], scale=0.5), run_time=0.4)
b.play(FadeIn(tick[1], scale=0.5), run_time=0.4)
pre = self.fit(Text("A gana 2 de 2", font=FONT, font_size=48,
weight=BOLD, color=CELESTE), 8.0).move_to(DOWN * 2.80)
b.play(FadeIn(pre, shift=UP * 0.15), run_time=0.5)
tot = self.bloque("TODOS juntos", TOT, 2.55, "B")
with self.beat(4) as b:
b.play(FadeOut(VGroup(lev, gra, tick, pre)), run_time=0.45)
b.play(FadeIn(tot[0], shift=RIGHT * 0.2), run_time=0.4)
for bb in (tot[1], tot[2]):
b.play(FadeIn(bb[0]), FadeIn(bb[1]),
GrowFromEdge(bb[2], LEFT), FadeIn(bb[3]), run_time=0.6)
with self.beat(5) as b:
b.play(Circumscribe(tot[2], color=VERDE, buff=0.18, stroke_width=6),
run_time=0.8)
g = self.fit(Text("gana B", font=FONT, font_size=70, weight=BOLD,
color=ROSA), 8.0).move_to(DOWN * 0.75)
ne = self.fit(Text("y no hay ningún error", font=FONT, font_size=44,
weight=BOLD, color=WHITE), 8.0).next_to(g, DOWN, buff=0.4)
b.play(FadeIn(g, scale=0.7), run_time=0.6)
b.play(FadeIn(ne, shift=UP * 0.15), run_time=0.5)
with self.beat(6) as b:
b.play(FadeOut(VGroup(tot, g, ne, cab)), run_time=0.4)
nom = VGroup(
self.fit(Text("PARADOJA", font=FONT, font_size=72, weight=BOLD,
color=AMBAR), 8.2),
self.fit(Text("DE SIMPSON", font=FONT, font_size=72, weight=BOLD,
color=AMBAR), 8.2),
).arrange(DOWN, buff=0.2).move_to(UP * 2.6)
b.play(FadeIn(nom, scale=0.75), run_time=0.8)
b.play(Flash(nom, color=AMBAR, line_length=0.6, num_lines=20,
flash_radius=3.0), run_time=0.7)
def reparto(letra, col, leves, graves, y):
lab = Text(letra, font=FONT, font_size=50, weight=BOLD, color=col)
lab.move_to([-3.65, y, 0])
n = leves + graves
wl = leves / n * BARW
a = Rectangle(width=max(wl, 0.05), height=0.7, stroke_width=0,
fill_color=VERDE, fill_opacity=1).move_to([XL, y, 0], LEFT)
c = Rectangle(width=max(BARW - wl, 0.05), height=0.7, stroke_width=0,
fill_color=ROSA, fill_opacity=1).next_to(a, RIGHT, buff=0)
nl = Text(str(leves), font=FONT, font_size=30, weight=BOLD, color="#0B0F1A").move_to(a)
ng = Text(str(graves), font=FONT, font_size=30, weight=BOLD, color="#0B0F1A").move_to(c)
return VGroup(lab, a, c, nl, ng)
leyenda = VGroup(
VGroup(Square(0.34, stroke_width=0, fill_color=VERDE, fill_opacity=1),
Text("leves", font=FONT, font_size=32, color=WHITE)).arrange(RIGHT, buff=0.18),
VGroup(Square(0.34, stroke_width=0, fill_color=ROSA, fill_opacity=1),
Text("graves", font=FONT, font_size=32, color=WHITE)).arrange(RIGHT, buff=0.18),
).arrange(RIGHT, buff=0.8).move_to(UP * 0.55)
rA = reparto("A", CELESTE, 87, 263, -0.65)
rB = reparto("B", ROSA, 270, 80, -1.75)
with self.beat(7) as b:
b.play(nom.animate.scale(0.55).move_to(UP * 5.3), run_time=0.5)
b.play(FadeIn(leyenda), run_time=0.4)
b.play(FadeIn(rA[0]), GrowFromEdge(VGroup(rA[1], rA[2]), LEFT),
FadeIn(VGroup(rA[3], rA[4])), run_time=0.8)
b.play(Circumscribe(rA[2], color=ROSA, buff=0.1, stroke_width=5), run_time=0.7)
with self.beat(8) as b:
b.play(FadeIn(rB[0]), GrowFromEdge(VGroup(rB[1], rB[2]), LEFT),
FadeIn(VGroup(rB[3], rB[4])), run_time=0.8)
b.play(Circumscribe(rB[1], color=VERDE, buff=0.1, stroke_width=5), run_time=0.7)
with self.beat(9) as b
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