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Just starting Bayes video for eop
This commit is contained in:
Grant Sanderson
0
eop/__init__.py
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0
eop/__init__.py
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369
eop/bayes.py
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369
eop/bayes.py
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@ -0,0 +1,369 @@
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from helpers import *
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from mobject.tex_mobject import TexMobject
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from mobject import Mobject
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from mobject.image_mobject import ImageMobject
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from mobject.vectorized_mobject import *
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from animation.animation import Animation
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from animation.transform import *
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from animation.simple_animations import *
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from animation.playground import *
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from topics.geometry import *
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from topics.characters import *
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from topics.functions import *
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from topics.fractals import *
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from topics.number_line import *
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from topics.combinatorics import *
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from topics.numerals import *
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from topics.three_dimensions import *
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from topics.objects import *
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from topics.complex_numbers import *
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from topics.common_scenes import *
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from topics.probability import *
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from scene import Scene
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from scene.reconfigurable_scene import ReconfigurableScene
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from scene.zoomed_scene import *
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from camera import Camera
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from mobject.svg_mobject import *
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from mobject.tex_mobject import *
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#revert_to_original_skipping_status
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#########
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class BayesOpeningQuote(OpeningQuote):
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CONFIG = {
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"quote" : [
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"Inside every non-Bayesian there \\\\ is a Bayesian struggling to get out."
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],
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"author" : "Dennis V. Lindley",
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}
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class IntroducePokerHand(PiCreatureScene):
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CONFIG = {
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"community_cards_center" : 1.5*DOWN,
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"community_card_values" : ["AS", "QH", "10H", "2C", "5H"],
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"your_hand_values" : ["JS", "KC"],
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}
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def construct(self):
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self.force_skipping()
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self.add_cards()
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# self.indicate_straight()
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self.show_flush_potential()
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self.compute_flush_probability()
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self.show_flush_sample_space()
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self.place_high_bet()
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def add_cards(self):
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you, her = self.you, self.her
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community_cards = VGroup(*map(
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PlayingCard, self.community_card_values
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))
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community_cards.arrange_submobjects(RIGHT)
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community_cards.move_to(self.community_cards_center)
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deck = VGroup(*[
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PlayingCard(turned_over = True)
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for x in range(5)
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])
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for i, card in enumerate(deck):
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card.shift(i*(0.03*RIGHT + 0.015*DOWN))
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deck.next_to(community_cards, LEFT)
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you.hand = self.get_hand(you, self.your_hand_values)
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her.hand = self.get_hand(her, None)
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hand_cards = VGroup(*it.chain(*zip(you.hand, her.hand)))
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self.add(deck)
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for group in hand_cards, community_cards:
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for card in group:
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card.generate_target()
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card.scale(0.01)
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card.move_to(deck[-1], UP+RIGHT)
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self.play(LaggedStart(MoveToTarget, group, lag_ratio = 0.8))
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self.dither()
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self.dither()
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self.community_cards = community_cards
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def indicate_straight(self):
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you = self.you
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community_cards = self.community_cards
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you.hand.save_state()
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you.hand.generate_target()
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for card in you.hand.target:
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card.scale_to_fit_height(community_cards.get_height())
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selected_community_cards = VGroup(*filter(
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lambda card : card.numerical_value >= 10,
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community_cards
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))
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card_cmp = lambda c1, c2 : cmp(
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c1.numerical_value, c2.numerical_value
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)
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selected_community_cards.submobjects.sort(card_cmp)
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selected_community_cards.save_state()
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for card in selected_community_cards:
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card.generate_target()
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straight_cards = VGroup(*it.chain(
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you.hand.target,
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[c.target for c in selected_community_cards]
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))
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straight_cards.submobjects.sort(card_cmp)
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straight_cards.arrange_submobjects(RIGHT, buff = SMALL_BUFF)
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straight_cards.next_to(community_cards, UP, aligned_edge = LEFT)
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self.play(LaggedStart(
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MoveToTarget,
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selected_community_cards,
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run_time = 1.5
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))
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self.play(MoveToTarget(you.hand))
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self.play(you.change, "hooray", straight_cards)
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self.play(LaggedStart(
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ApplyMethod,
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straight_cards,
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lambda m : (m.highlight, YELLOW),
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rate_func = there_and_back,
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run_time = 1.5,
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lag_ratio = 0.5,
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remover = True,
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))
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self.dither(2)
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self.play(
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selected_community_cards.restore,
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you.hand.restore,
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you.change_mode, "happy"
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)
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def show_flush_potential(self):
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you, her = self.you, self.her
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heart_cards = VGroup(*filter(
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lambda c : c.suit == "hearts",
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self.community_cards
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))
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heart_cards.save_state()
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her.hand.save_state()
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her.hand.generate_target()
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her.hand.target.arrange_submobjects(RIGHT)
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her.hand.target.next_to(heart_cards, UP)
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her.hand.target.to_edge(UP)
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heart_qs = VGroup()
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hearts = VGroup()
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q_marks = VGroup()
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for target in her.hand.target:
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heart = SuitSymbol("hearts")
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q_mark = TexMobject("?")
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heart_q = VGroup(heart, q_mark)
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for mob in heart_q:
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mob.scale_to_fit_height(0.5)
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heart_q.arrange_submobjects(RIGHT, buff = SMALL_BUFF)
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heart_q.move_to(target)
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heart_qs.add(heart, q_mark)
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hearts.add(heart)
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q_marks.add(q_mark)
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self.play(heart_cards.shift, heart_cards.get_height()*UP)
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self.play(you.change_mode, "hesitant")
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self.play(MoveToTarget(her.hand))
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self.play(LaggedStart(DrawBorderThenFill, heart_qs))
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self.play(
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her.change, "happy",
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DrawBorderThenFill(her.glasses)
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)
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self.pi_creatures.remove(her)
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new_suit_pairs = [
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("clubs", "diamonds"),
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("diamonds", "spades"),
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("spades", "clubs"),
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("hearts", "hearts"),
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]
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for new_suit_pair in new_suit_pairs:
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new_symbols = VGroup(*map(SuitSymbol, new_suit_pair))
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for new_symbol, heart in zip(new_symbols, hearts):
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new_symbol.replace(heart, dim_to_match = 1)
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self.play(Transform(
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hearts, new_symbols,
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submobject_mode = "lagged_start"
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))
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self.dither()
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self.play(FadeOut(heart_qs))
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self.play(
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heart_cards.restore,
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her.hand.restore,
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you.change_mode, "pondering",
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)
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self.q_marks = q_marks
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def compute_flush_probability(self):
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you, her = self.you, self.her
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equation = TexMobject(
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"{ {10 \\choose 2}", "\\over", "{45 \\choose 2} }",
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"=", "{1 \\over 22}", "\\approx", "4.5\\%"
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)
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equation.next_to(self.community_cards, UP, buff = LARGE_BUFF)
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percentage = equation.get_part_by_tex("4.5")
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ten = VGroup(*equation[0][1:3])
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num_hearts = TextMobject("\\# Remaining hearts")
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num_hearts.scale(0.75)
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num_hearts.next_to(
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ten, UP, aligned_edge = LEFT
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)
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num_hearts.to_edge(UP)
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num_hearts.highlight(RED)
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num_hearts_arrow = Arrow(
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num_hearts.get_bottom(), ten.get_right(),
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color = RED, buff = SMALL_BUFF
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)
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fourty_five = VGroup(*equation[2][1:3])
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num_cards = TextMobject("\\# Remaining cards")
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num_cards.scale(0.75)
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num_cards.next_to(fourty_five, LEFT)
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num_cards.to_edge(LEFT)
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num_cards.highlight(BLUE)
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num_cards_arrow = Arrow(
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num_cards, fourty_five,
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color = BLUE, buff = SMALL_BUFF
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)
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self.revert_to_original_skipping_status()
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self.play(LaggedStart(FadeIn, equation))
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self.dither(2)
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self.play(
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FadeIn(num_hearts),
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ShowCreation(num_hearts_arrow),
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ten.highlight, RED,
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)
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self.play(
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FadeIn(num_cards),
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ShowCreation(num_cards_arrow),
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fourty_five.highlight, BLUE
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)
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self.dither(3)
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equation.remove(percentage)
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self.play(*map(FadeOut, [
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equation,
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num_hearts, num_hearts_arrow,
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num_cards, num_cards_arrow,
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]))
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self.percentage = percentage
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def show_flush_sample_space(self):
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you, her = self.you, self.her
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percentage = self.percentage
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sample_space = SampleSpace()
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sample_space.add_title()
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sample_space.move_to(VGroup(you.hand, her.hand))
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sample_space.to_edge(UP, buff = MED_SMALL_BUFF)
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sample_space.shift(RIGHT)
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p = 1./22
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top_part, bottom_part = sample_space.divide_horizontally(
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p, colors = [SuitSymbol.CONFIG["red"], BLUE_E]
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)
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self.revert_to_original_skipping_status()
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self.play(FadeIn(sample_space))
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self.dither()
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self.add(top_part, bottom_part)
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def place_high_bet(self):
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pass
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######
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def create_pi_creatures(self):
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shift_val = 3
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you = PiCreature(color = BLUE_D)
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her = PiCreature(color = BLUE_B).flip()
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for pi in you, her:
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pi.scale(0.5)
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you.to_corner(UP+LEFT)
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her.to_corner(UP+RIGHT)
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you.make_eye_contact(her)
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glasses = SVGMobject(file_name = "sunglasses")
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glasses.set_stroke(WHITE, width = 0)
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glasses.set_fill(GREY, 1)
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glasses.scale_to_fit_width(
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1.1*her.eyes.get_width()
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)
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glasses.move_to(her.eyes, UP)
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her.glasses = glasses
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self.you = you
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self.her = her
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return VGroup(you, her)
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def get_hand(self, pi_creature, keys = None):
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if keys is not None:
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hand = VGroup(*map(PlayingCard, keys))
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else:
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hand = VGroup(*[
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PlayingCard(turned_over = True)
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for x in range(2)
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])
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hand.scale(0.7)
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card1, card2 = hand
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vect = np.sign(pi_creature.get_center()[0])*LEFT
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card2.move_to(card1)
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card2.shift(MED_SMALL_BUFF*RIGHT + SMALL_BUFF*DOWN)
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hand.next_to(
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pi_creature, vect,
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buff = MED_LARGE_BUFF,
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aligned_edge = UP
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)
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return hand
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class HowDoesPokerWork(TeacherStudentsScene):
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def construct(self):
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self.student_says(
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"Wait, how does \\\\ poker work again?",
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target_mode = "confused",
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run_time = 1
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)
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self.change_student_modes(*["confused"]*3)
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self.dither(2)
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class ShowCountingArgument(IntroducePokerHand):
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def construct(self):
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pass
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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@ -186,8 +186,8 @@ def main():
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try:
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handle_scene(SceneClass(**scene_kwargs), **config)
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play_finish_sound()
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except RuntimeError:
|
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play_finish_sound()
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# except RuntimeError as e:
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# play_finish_sound()
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except:
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print "\n\n"
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traceback.print_exc()
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@ -20,6 +20,7 @@ class SVGMobject(VMobject):
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"should_center" : True,
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#Must be filled in in a subclass, or when called
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||||
"file_name" : None,
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"propogate_style_to_family" : True,
|
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}
|
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def __init__(self, **kwargs):
|
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digest_config(self, kwargs, locals())
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|
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@ -1,7 +1,7 @@
|
||||
from helpers import *
|
||||
|
||||
from mobject import Mobject
|
||||
from mobject.vectorized_mobject import VGroup, VMobject
|
||||
from mobject.vectorized_mobject import VGroup, VMobject, VectorizedPoint
|
||||
from mobject.svg_mobject import SVGMobject
|
||||
from mobject.tex_mobject import TextMobject, TexMobject
|
||||
|
||||
@ -26,13 +26,21 @@ class PlayingCard(VGroup):
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||||
CONFIG = {
|
||||
"value" : None,
|
||||
"suit" : None,
|
||||
"height" : 1.5,
|
||||
"key" : None, ##String like "8H" or "KS"
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||||
"height" : 2,
|
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"height_to_width" : 3.5/2.5,
|
||||
"card_height_to_symbol_height" : 7,
|
||||
"card_width_to_corner_num_width" : 10,
|
||||
"card_height_to_corner_num_height" : 10,
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||||
"color" : LIGHT_GREY,
|
||||
"turned_over" : False,
|
||||
"possible_suits" : ["hearts", "diamonds", "spades", "clubs"],
|
||||
"possible_values" : map(str, range(2, 11)) + ["J", "Q", "K", "A"],
|
||||
}
|
||||
|
||||
def __init__(self, key = None, **kwargs):
|
||||
VGroup.__init__(self, key = key, **kwargs)
|
||||
|
||||
def generate_points(self):
|
||||
self.add(Rectangle(
|
||||
height = self.height,
|
||||
@ -42,32 +50,58 @@ class PlayingCard(VGroup):
|
||||
fill_color = self.color,
|
||||
fill_opacity = 1,
|
||||
))
|
||||
if self.turned_over:
|
||||
self.set_fill(DARK_GREY)
|
||||
self.set_stroke(LIGHT_GREY)
|
||||
contents = VectorizedPoint(self.get_center())
|
||||
else:
|
||||
value = self.get_value()
|
||||
symbol = self.get_symbol()
|
||||
design = self.get_design(value, symbol)
|
||||
corner_numbers = self.get_corner_numbers(value, symbol)
|
||||
self.add(design, corner_numbers)
|
||||
contents = VGroup(design, corner_numbers)
|
||||
self.design = design
|
||||
self.corner_numbers = corner_numbers
|
||||
self.add(contents)
|
||||
|
||||
def get_value(self):
|
||||
value = self.value
|
||||
possible_values = map(str, range(1, 11)) + ["J", "Q", "K"]
|
||||
if value is None:
|
||||
value = random.choice(possible_values)
|
||||
value = str(value)
|
||||
if value not in possible_values:
|
||||
raise Exception("Invalid card value")
|
||||
value = value.capitalize()
|
||||
if self.key is not None:
|
||||
value = self.key[:-1]
|
||||
else:
|
||||
value = random.choice(self.possible_values)
|
||||
value = string.upper(str(value))
|
||||
if value == "1":
|
||||
value = "A"
|
||||
if value not in self.possible_values:
|
||||
raise Exception("Invalid card value")
|
||||
|
||||
face_card_to_value = {
|
||||
"J" : 11,
|
||||
"Q" : 12,
|
||||
"K" : 13,
|
||||
"A" : 14,
|
||||
}
|
||||
try:
|
||||
self.numerical_value = int(value)
|
||||
except:
|
||||
self.numerical_value = face_card_to_value[value]
|
||||
return value
|
||||
|
||||
def get_symbol(self):
|
||||
suit = self.suit
|
||||
possible_suits = ["hearts", "diamonds", "spades", "clubs"]
|
||||
if suit is None:
|
||||
suit = random.choice(possible_suits)
|
||||
if suit not in possible_suits:
|
||||
if self.key is not None:
|
||||
suit = dict([
|
||||
(string.upper(s[0]), s)
|
||||
for s in self.possible_suits
|
||||
])[string.upper(self.key[-1])]
|
||||
else:
|
||||
suit = random.choice(self.possible_suits)
|
||||
if suit not in self.possible_suits:
|
||||
raise Exception("Invalud suit value")
|
||||
self.suit = suit
|
||||
symbol_height = float(self.height) / self.card_height_to_symbol_height
|
||||
symbol = SuitSymbol(suit, height = symbol_height)
|
||||
return symbol
|
||||
@ -225,7 +259,6 @@ class SuitSymbol(SVGMobject):
|
||||
self.set_fill(color, 1)
|
||||
self.scale_to_fit_height(self.height)
|
||||
|
||||
|
||||
class Speedometer(VMobject):
|
||||
CONFIG = {
|
||||
"arc_angle" : 4*np.pi/3,
|
||||
|
||||
307
topics/probability.py
Normal file
307
topics/probability.py
Normal file
@ -0,0 +1,307 @@
|
||||
from helpers import *
|
||||
|
||||
from mobject import Mobject
|
||||
from mobject.vectorized_mobject import VGroup, VMobject, VectorizedPoint
|
||||
from mobject.svg_mobject import SVGMobject
|
||||
from mobject.tex_mobject import TextMobject, TexMobject
|
||||
|
||||
from topics.geometry import Circle, Line, Rectangle, Square, Arc, Polygon
|
||||
|
||||
|
||||
class SampleSpace(VGroup):
|
||||
CONFIG = {
|
||||
"full_space_config" : {
|
||||
"height" : 3,
|
||||
"width" : 3,
|
||||
"fill_color" : DARK_GREY,
|
||||
"fill_opacity" : 0.8,
|
||||
"stroke_width" : 0,
|
||||
}
|
||||
}
|
||||
def __init__(self, **kwargs):
|
||||
VGroup.__init__(self, **kwargs)
|
||||
full_space = Rectangle(**self.full_space_config)
|
||||
self.full_space = full_space
|
||||
self.add(full_space)
|
||||
|
||||
def add_title(self, title = "Sample space", buff = MED_SMALL_BUFF):
|
||||
title_mob = TextMobject(title)
|
||||
if title_mob.get_width() > self.get_width():
|
||||
title_mob.scale_to_fit_width(self.get_width())
|
||||
title_mob.next_to(self.full_space, UP, buff = buff)
|
||||
self.title = title_mob
|
||||
self.add(title_mob)
|
||||
|
||||
def divide_along_dimension(self, p, dim, colors):
|
||||
perp_dim = 1-dim
|
||||
if dim == 0:
|
||||
vects = [UP, DOWN]
|
||||
else:
|
||||
vects = [LEFT, RIGHT]
|
||||
parts = VGroup()
|
||||
for factor, vect, color in zip([p, 1-p], vects, colors):
|
||||
part = self.full_space.copy()
|
||||
part.set_fill(color, 1)
|
||||
part.stretch(factor, perp_dim)
|
||||
part.move_to(self.full_space, vect)
|
||||
parts.add(part)
|
||||
return parts
|
||||
|
||||
def divide_horizontally(self, p, colors = [GREEN_E, RED_E]):
|
||||
result = self.divide_along_dimension(p, 0, colors)
|
||||
self.top_part, self.bottom_part = result
|
||||
return result
|
||||
|
||||
def divide_vertically(self, p, colors = [MAROON_B, YELLOW]):
|
||||
result = self.divide_along_dimension(p, 1, colors)
|
||||
self.left_part, self.right_part = result
|
||||
return result
|
||||
|
||||
### Cards ###
|
||||
|
||||
class DeckOfCards(VGroup):
|
||||
def __init__(self, **kwargs):
|
||||
possible_values = map(str, range(1, 11)) + ["J", "Q", "K"]
|
||||
possible_suits = ["hearts", "diamonds", "spades", "clubs"]
|
||||
VGroup.__init__(self, *[
|
||||
PlayingCard(value = value, suit = suit, **kwargs)
|
||||
for value in possible_values
|
||||
for suit in possible_suits
|
||||
])
|
||||
|
||||
class PlayingCard(VGroup):
|
||||
CONFIG = {
|
||||
"value" : None,
|
||||
"suit" : None,
|
||||
"key" : None, ##String like "8H" or "KS"
|
||||
"height" : 2,
|
||||
"height_to_width" : 3.5/2.5,
|
||||
"card_height_to_symbol_height" : 7,
|
||||
"card_width_to_corner_num_width" : 10,
|
||||
"card_height_to_corner_num_height" : 10,
|
||||
"color" : LIGHT_GREY,
|
||||
"turned_over" : False,
|
||||
"possible_suits" : ["hearts", "diamonds", "spades", "clubs"],
|
||||
"possible_values" : map(str, range(2, 11)) + ["J", "Q", "K", "A"],
|
||||
}
|
||||
|
||||
def __init__(self, key = None, **kwargs):
|
||||
VGroup.__init__(self, key = key, **kwargs)
|
||||
|
||||
def generate_points(self):
|
||||
self.add(Rectangle(
|
||||
height = self.height,
|
||||
width = self.height/self.height_to_width,
|
||||
stroke_color = WHITE,
|
||||
stroke_width = 2,
|
||||
fill_color = self.color,
|
||||
fill_opacity = 1,
|
||||
))
|
||||
if self.turned_over:
|
||||
self.set_fill(DARK_GREY)
|
||||
self.set_stroke(LIGHT_GREY)
|
||||
contents = VectorizedPoint(self.get_center())
|
||||
else:
|
||||
value = self.get_value()
|
||||
symbol = self.get_symbol()
|
||||
design = self.get_design(value, symbol)
|
||||
corner_numbers = self.get_corner_numbers(value, symbol)
|
||||
contents = VGroup(design, corner_numbers)
|
||||
self.design = design
|
||||
self.corner_numbers = corner_numbers
|
||||
self.add(contents)
|
||||
|
||||
def get_value(self):
|
||||
value = self.value
|
||||
if value is None:
|
||||
if self.key is not None:
|
||||
value = self.key[:-1]
|
||||
else:
|
||||
value = random.choice(self.possible_values)
|
||||
value = string.upper(str(value))
|
||||
if value == "1":
|
||||
value = "A"
|
||||
if value not in self.possible_values:
|
||||
raise Exception("Invalid card value")
|
||||
|
||||
face_card_to_value = {
|
||||
"J" : 11,
|
||||
"Q" : 12,
|
||||
"K" : 13,
|
||||
"A" : 14,
|
||||
}
|
||||
try:
|
||||
self.numerical_value = int(value)
|
||||
except:
|
||||
self.numerical_value = face_card_to_value[value]
|
||||
return value
|
||||
|
||||
def get_symbol(self):
|
||||
suit = self.suit
|
||||
if suit is None:
|
||||
if self.key is not None:
|
||||
suit = dict([
|
||||
(string.upper(s[0]), s)
|
||||
for s in self.possible_suits
|
||||
])[string.upper(self.key[-1])]
|
||||
else:
|
||||
suit = random.choice(self.possible_suits)
|
||||
if suit not in self.possible_suits:
|
||||
raise Exception("Invalud suit value")
|
||||
self.suit = suit
|
||||
symbol_height = float(self.height) / self.card_height_to_symbol_height
|
||||
symbol = SuitSymbol(suit, height = symbol_height)
|
||||
return symbol
|
||||
|
||||
def get_design(self, value, symbol):
|
||||
if value == "A":
|
||||
return self.get_ace_design(symbol)
|
||||
if value in map(str, range(2, 11)):
|
||||
return self.get_number_design(value, symbol)
|
||||
else:
|
||||
return self.get_face_card_design(value, symbol)
|
||||
|
||||
def get_ace_design(self, symbol):
|
||||
design = symbol.copy().scale(1.5)
|
||||
design.move_to(self)
|
||||
return design
|
||||
|
||||
def get_number_design(self, value, symbol):
|
||||
num = int(value)
|
||||
n_rows = {
|
||||
2 : 2,
|
||||
3 : 3,
|
||||
4 : 2,
|
||||
5 : 2,
|
||||
6 : 3,
|
||||
7 : 3,
|
||||
8 : 3,
|
||||
9 : 4,
|
||||
10 : 4,
|
||||
}[num]
|
||||
n_cols = 1 if num in [2, 3] else 2
|
||||
insertion_indices = {
|
||||
5 : [0],
|
||||
7 : [0],
|
||||
8 : [0, 1],
|
||||
9 : [1],
|
||||
10 : [0, 2],
|
||||
}.get(num, [])
|
||||
|
||||
top = self.get_top() + symbol.get_height()*DOWN
|
||||
bottom = self.get_bottom() + symbol.get_height()*UP
|
||||
column_points = [
|
||||
interpolate(top, bottom, alpha)
|
||||
for alpha in np.linspace(0, 1, n_rows)
|
||||
]
|
||||
|
||||
design = VGroup(*[
|
||||
symbol.copy().move_to(point)
|
||||
for point in column_points
|
||||
])
|
||||
if n_cols == 2:
|
||||
space = 0.2*self.get_width()
|
||||
column_copy = design.copy().shift(space*RIGHT)
|
||||
design.shift(space*LEFT)
|
||||
design.add(*column_copy)
|
||||
design.add(*[
|
||||
symbol.copy().move_to(
|
||||
center_of_mass(column_points[i:i+2])
|
||||
)
|
||||
for i in insertion_indices
|
||||
])
|
||||
for symbol in design:
|
||||
if symbol.get_center()[1] < self.get_center()[1]:
|
||||
symbol.rotate_in_place(np.pi)
|
||||
return design
|
||||
|
||||
def get_face_card_design(self, value, symbol):
|
||||
from topics.characters import PiCreature
|
||||
sub_rect = Rectangle(
|
||||
stroke_color = BLACK,
|
||||
fill_opacity = 0,
|
||||
height = 0.9*self.get_height(),
|
||||
width = 0.6*self.get_width(),
|
||||
)
|
||||
sub_rect.move_to(self)
|
||||
|
||||
pi_color = average_color(symbol.get_color(), GREY)
|
||||
pi_mode = {
|
||||
"J" : "plain",
|
||||
"Q" : "thinking",
|
||||
"K" : "hooray"
|
||||
}[value]
|
||||
pi_creature = PiCreature(
|
||||
mode = pi_mode,
|
||||
color = pi_color,
|
||||
)
|
||||
pi_creature.scale_to_fit_width(0.8*sub_rect.get_width())
|
||||
if value in ["Q", "K"]:
|
||||
prefix = "king" if value == "K" else "queen"
|
||||
crown = SVGMobject(file_name = prefix + "_crown")
|
||||
crown.set_stroke(width = 0)
|
||||
crown.set_fill(YELLOW, 1)
|
||||
crown.stretch_to_fit_width(0.5*sub_rect.get_width())
|
||||
crown.stretch_to_fit_height(0.17*sub_rect.get_height())
|
||||
crown.move_to(pi_creature.eyes.get_center(), DOWN)
|
||||
pi_creature.add_to_back(crown)
|
||||
to_top_buff = 0
|
||||
else:
|
||||
to_top_buff = SMALL_BUFF*sub_rect.get_height()
|
||||
pi_creature.next_to(sub_rect.get_top(), DOWN, to_top_buff)
|
||||
# pi_creature.shift(0.05*sub_rect.get_width()*RIGHT)
|
||||
|
||||
pi_copy = pi_creature.copy()
|
||||
pi_copy.rotate(np.pi, about_point = sub_rect.get_center())
|
||||
|
||||
return VGroup(sub_rect, pi_creature, pi_copy)
|
||||
|
||||
def get_corner_numbers(self, value, symbol):
|
||||
value_mob = TextMobject(value)
|
||||
width = self.get_width()/self.card_width_to_corner_num_width
|
||||
height = self.get_height()/self.card_height_to_corner_num_height
|
||||
value_mob.scale_to_fit_width(width)
|
||||
value_mob.stretch_to_fit_height(height)
|
||||
value_mob.next_to(
|
||||
self.get_corner(UP+LEFT), DOWN+RIGHT,
|
||||
buff = MED_LARGE_BUFF*width
|
||||
)
|
||||
value_mob.highlight(symbol.get_color())
|
||||
corner_symbol = symbol.copy()
|
||||
corner_symbol.scale_to_fit_width(width)
|
||||
corner_symbol.next_to(
|
||||
value_mob, DOWN,
|
||||
buff = MED_SMALL_BUFF*width
|
||||
)
|
||||
corner_group = VGroup(value_mob, corner_symbol)
|
||||
opposite_corner_group = corner_group.copy()
|
||||
opposite_corner_group.rotate(
|
||||
np.pi, about_point = self.get_center()
|
||||
)
|
||||
|
||||
return VGroup(corner_group, opposite_corner_group)
|
||||
|
||||
class SuitSymbol(SVGMobject):
|
||||
CONFIG = {
|
||||
"height" : 0.5,
|
||||
"fill_opacity" : 1,
|
||||
"stroke_width" : 0,
|
||||
"red" : "#D02028",
|
||||
"black" : BLACK,
|
||||
}
|
||||
def __init__(self, suit_name, **kwargs):
|
||||
digest_config(self, kwargs)
|
||||
suits_to_colors = {
|
||||
"hearts" : self.red,
|
||||
"diamonds" : self.red,
|
||||
"spades" : self.black,
|
||||
"clubs" : self.black,
|
||||
}
|
||||
if suit_name not in suits_to_colors:
|
||||
raise Exception("Invalid suit name")
|
||||
SVGMobject.__init__(self, file_name = suit_name, **kwargs)
|
||||
|
||||
color = suits_to_colors[suit_name]
|
||||
self.set_stroke(width = 0)
|
||||
self.set_fill(color, 1)
|
||||
self.scale_to_fit_height(self.height)
|
||||
Reference in New Issue
Block a user