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working on final scene

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This commit is contained in:
Ben Hambrecht 2018-02-22 23:03:05 +01:00
parent d416890fbc
commit 4f8bc1fee9
1 changed files with 153 additions and 32 deletions
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185
active_projects/basel.py
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@ -2133,22 +2133,7 @@ class IPTScene2(Scene):
BASELINE_YPOS = -2.5
OBSERVER_POINT = [0,BASELINE_YPOS,0]
LAKE0_RADIUS = 1.5
INDICATOR_RADIUS = 0.6
TICK_SIZE = 0.5
LIGHTHOUSE_HEIGHT = 0.2
LAKE_COLOR = BLUE
LAKE_OPACITY = 0.15
LAKE_STROKE_WIDTH = 5.0
LAKE_STROKE_COLOR = BLUE
TEX_SCALE = 0.8
DOT_COLOR = BLUE
LIGHT_MAX_INT = 1
LIGHT_SCALE = 5
LIGHT_CUTOFF = 1
@ -2160,10 +2145,26 @@ class PondScene(ThreeDScene):
def construct(self):
BASELINE_YPOS = -2.5
OBSERVER_POINT = [0,BASELINE_YPOS,0]
LAKE0_RADIUS = 1.5
INDICATOR_RADIUS = 0.6
TICK_SIZE = 0.5
LIGHTHOUSE_HEIGHT = 0.2
LAKE_COLOR = BLUE
LAKE_OPACITY = 0.15
LAKE_STROKE_WIDTH = 5.0
LAKE_STROKE_COLOR = BLUE
TEX_SCALE = 0.8
DOT_COLOR = BLUE
LIGHT_MAX_INT = 1
LIGHT_SCALE = 5
LIGHT_CUTOFF = 1
self.cumulated_zoom_factor = 1
self.force_skipping()
#self.force_skipping()
def zoom_out_scene(factor):
@ -2600,7 +2601,7 @@ class PondScene(ThreeDScene):
for i in range(3,max_it + 1):
construction_step(i, show_steps = False, run_time = 4.0/2**i)
self.revert_to_original_skipping_status()
#self.revert_to_original_skipping_status()
# Now create a straight number line and transform into it
MAX_N = 17
@ -2718,7 +2719,7 @@ class PondScene(ThreeDScene):
self.add_foreground_mobject(indicator_reading)
half_indicator_reading = TexMobject("{\pi^2 \over 8}").scale(TEX_SCALE)
half_indicator_reading.move_to(half_indicator)
half_indicator_reading.move_to(indicator)
central_plus_sign = two_sided_sum[13]
@ -2756,42 +2757,159 @@ class WaitScene(TeacherStudentsScene):
full_sum.next_to(student_q,RIGHT)
student_q.add(full_sum)
self.student_says(student_q)
self.student_says(student_q, target_mode = "angry")
class FinalSumManipulationScene(PiCreatureScene):
def construct(self):
odd_range = range(1,11,2)
even_range = range(2,12,2)
full_range = range(1,12,1)
LAKE_COLOR = BLUE
LAKE_OPACITY = 0.15
LAKE_STROKE_WIDTH = 5.0
LAKE_STROKE_COLOR = BLUE
TEX_SCALE = 0.8
self.number_line = NumberLine(
unit_length = 1.5
vertical_spacing = 1.8 * DOWN
switch_on_time = 0.2
randy = self.get_primary_pi_creature()
randy.scale(0.7).to_edge(DOWN + RIGHT)
ls_template = LightSource(
radius = 2,
max_opacity_ambient = 0.5,
opacity_function = inverse_quadratic(1,0.5,1)
)
odd_range = np.arange(1,13,2)
even_range = np.arange(2,28,2)
full_range = np.arange(1,14,1)
self.number_line1 = NumberLine(
x_min = 0,
x_max = 10,
x_max = 11,
color = LAKE_STROKE_COLOR,
number_at_center = 0,
stroke_width = LAKE_STROKE_WIDTH,
stroke_color = LAKE_STROKE_COLOR,
numbers_to_show = odd_range,
unit_size = 1,
unit_size = unit_length,
tick_frequency = 1,
line_to_number_buff = LARGE_BUFF,
label_direction = UP,
line_to_number_buff = MED_LARGE_BUFF,
include_tip = True
)
self.number_line1.next_to(3 * UP + 3 * LEFT, RIGHT, buff = 0)
odd_lights = VMobject()
for i in odd_range:
pos = self.number_line.number_to_point(i)
ls = LightSource()
pos = self.number_line1.number_to_point(i)
ls = ls_template.copy()
ls.move_source_to(pos)
odd_lights.add(ls)
self.play(ShowCreation(self.number_line))
self.play(FadeIn(odd_lights))
labels1 = self.number_line1.get_labels()
self.play(
ShowCreation(self.number_line1),
ShowCreation(labels1)
)
for ls in odd_lights.submobjects:
self.play(SwitchOn(ls.ambient_light), run_time = switch_on_time)
result1 = TexMobject("{\pi^2\over 8} =")
result1.next_to(self.number_line1, LEFT, buff = 2)
self.play(Write(result1))
self.number_line2 = self.number_line1.copy()
self.number_line2.numbers_to_show = full_range
self.number_line2.shift(2 * vertical_spacing)
labels2 = self.number_line2.get_labels()
full_lights = VMobject()
for i in full_range:
pos = self.number_line2.number_to_point(i)
ls = ls_template.copy()
ls.move_source_to(pos)
full_lights.add(ls)
self.play(
ShowCreation(self.number_line2),
ShowCreation(labels2)
)
for ls in full_lights.submobjects:
self.play(SwitchOn(ls.ambient_light, run_time = 0.1 * switch_on_time))
self.number_line3 = self.number_line1.copy()
self.number_line3.numbers_to_show = even_range
self.number_line3.shift(vertical_spacing)
labels3 = self.number_line3.get_labels()
missing_text = TextMobject("missing:")
missing_text.next_to(self.number_line3, LEFT, buff = 2)
even_lights = VMobject()
for i in even_range:
pos = self.number_line3.number_to_point(i)
ls = ls_template.copy()
ls.move_source_to(pos)
even_lights.add(ls)
self.play(Write(missing_text))
self.play(
ShowCreation(self.number_line3),
ShowCreation(labels3),
)
for ls in even_lights.submobjects:
self.play(SwitchOn(ls.ambient_light), run_time = switch_on_time)
# now morph the even lights into the full lights
even_lights_line = VMobject()
even_lights_line.add(even_lights, self.number_line2)
even_lights_line_copy = even_lights_line.copy()
full_lights_line = VMobject()
number_line2p = self.number_line2
number_line2p.tick_frequency = 0.5
full_lights_line.add(full_lights.copy(), number_line2p)
self.play(
Transform(even_lights_line,full_lights_line)
)
self.play(
Transform(even_lights_line,even_lights_line_copy)
)
@ -2826,6 +2944,9 @@ class LabeledArc(Arc):
class ArcHighlightOverlayScene(Scene):
def construct(self):