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finished prob dist visuals
This commit is contained in:
Ben Hambrecht
parent
ecea2d6671
commit
31fc87f499
1 changed files with 49 additions and 43 deletions
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@ -58,7 +58,7 @@ class ProbabilityDistributions(PiCreatureScene):
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p_rain_whole_label.next_to(brace_rain, UP)
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brace_sun = Brace(sun_rect, DOWN)
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p_sun_label = TextMobject("$P($sun$)=$").scale(text_scale)
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p_sun_label = TextMobject("$P($sunshine$)=$").scale(text_scale)
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p_sun_decimal = DecimalNumber(p_sun).scale(text_scale)
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p_sun_decimal.next_to(p_sun_label)
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p_sun_whole_label = VGroup(p_sun_label, p_sun_decimal)
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@ -97,7 +97,7 @@ class ProbabilityDistributions(PiCreatureScene):
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new_brace_sun = Brace(new_sun_rect, DOWN)
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new_p_sun_label = TextMobject("$P($sun$)=$").scale(text_scale)
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new_p_sun_label = TextMobject("$P($sunshine$)=$").scale(text_scale)
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new_p_sun_decimal = DecimalNumber(new_p_sun).scale(text_scale)
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new_p_sun_decimal.next_to(new_p_sun_label)
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new_p_sun_whole_label = VGroup(new_p_sun_label, new_p_sun_decimal)
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@ -147,20 +147,28 @@ class ProbabilityDistributions(PiCreatureScene):
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self.play(MoveToTarget(forecast))
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self.play(
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FadeOut(brace_rain),
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FadeOut(brace_sun),
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FadeOut(p_rain_whole_label),
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FadeOut(p_sun_whole_label),
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)
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# COIN FLIP
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coin_flip_rect = BrickRow(3)
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coin_flip_rect = BrickRow(3, height = 2, width = 10)
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for (i, brick) in enumerate(coin_flip_rect.rects):
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tally = TallyStack(3 - i, i)
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tally.next_to(brick, UP)
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tally.move_to(brick)
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coin_flip_rect.add(tally)
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coin_flip_rect.scale(0.7)
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coin_flip_rect.scale(0.8).shift(2*RIGHT)
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self.play(FadeIn(coin_flip_rect))
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counts = [1, 3, 3, 1]
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@ -180,75 +188,72 @@ class ProbabilityDistributions(PiCreatureScene):
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coin_flip_rect.add(braces, labels)
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self.play(coin_flip_rect.to_corner,UR)
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coin_flip_rect.target = coin_flip_rect.copy().scale(0.6)
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coin_flip_rect.target.to_corner(UR, buff = LARGE_BUFF)
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self.play(
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MoveToTarget(coin_flip_rect)
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)
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self.play(
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FadeOut(braces),
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FadeOut(labels)
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)
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# DOUBLE DICE THROW
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cell_size = 0.5
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dice_table = TwoDiceTable(cell_size = cell_size, label_scale = 0.7)
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dice_table.shift(DOWN)
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dice_table.shift(0.8 * DOWN)
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dice_unit_rect = SurroundingRectangle(dice_table.cells, buff = 0,
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stroke_color = WHITE)
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self.play(FadeIn(dice_table))
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self.wait()
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self.play(
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FadeOut(dice_table.rows),
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FadeOut(dice_table.labels),
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dice_table.cells.fade, 0.8
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)
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dice_table_braces = VGroup()
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dice_table_probs = VGroup()
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dice_table_grouped_cells = VGroup()
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for i in range(6):
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cell = dice_table.cells[6 * i]
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start = cell.get_center()
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color = cell.get_fill_color()
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brace = Brace(cell, LEFT, buff = 0, color = color)
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brace.stretch(0.5,0)
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stop = start + cell_size * LEFT + cell_size * DOWN
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p_label = TexMobject("{" + str(i + 1) + "\over 36}", color = color)
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p_label.scale(0.35)
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p_label.next_to(brace, LEFT)
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dice_table_probs.add(p_label)
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dice_table_braces.add(brace)
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dice_table_grouped_cells.add(VGroup(*[
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dice_table.cells[6 * i - 5 * k]
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for k in range(i + 1)
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]))
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for i in range(5):
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cell = dice_table.cells[31 + i]
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start = cell.get_center()
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color = cell.get_fill_color()
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brace = Brace(cell, DOWN, buff = 0, color = color)
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brace.stretch(0.5, 1)
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stop = start + cell_size * LEFT + cell_size * DOWN
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p_label = TexMobject("{" + str(5 - i) + "\over 36}", color = color)
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p_label.scale(0.35)
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p_label.next_to(brace, DOWN)
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dice_table_probs.add(p_label)
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dice_table_braces.add(brace)
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dice_table_grouped_cells.add(VGroup(*[
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dice_table.cells[31 + i - 5 * k]
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for k in range(5 - i)
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]))
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self.play(
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FadeIn(dice_unit_rect),
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FadeIn(dice_table.rows)
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)
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# group the dice table cells to make them appear in the right order
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for (cell, label) in zip(dice_table.cells, dice_table.labels):
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cell.add(label)
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self.play(
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LaggedStart(ShowCreation, dice_table_braces, lag_ratio = lag_ratio, run_time = run_time),
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LaggedStart(Write, dice_table_probs, lag_ratio = lag_ratio, run_time = run_time),
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LaggedStart(ApplyMethod, dice_table_grouped_cells, arg_creator =
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lambda m : (m.fade, -4), lag_ratio = lag_ratio, run_time = run_time
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)
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LaggedStart(FadeIn, dice_table_grouped_cells,
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lag_ratio = lag_ratio, run_time = run_time)
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)
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self.wait()
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self.play(
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FadeOut(dice_table.rows),
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FadeOut(dice_unit_rect),
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)
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self.play(
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dice_table_grouped_cells.space_out_submobjects, {"factor" : 1.9},
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rate_func=there_and_back_with_pause,
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run_time=run_time
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)
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@ -269,5 +274,6 @@ class ProbabilityDistributions(PiCreatureScene):
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