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tweaking the zoomed IPTScene1

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This commit is contained in:
Ben Hambrecht
2018-02-16 16:49:38 +01:00
parent 29cdd3e8d7
commit c2468865e2
1 changed files with 69 additions and 33 deletions
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102
active_projects/basel.py
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@@ -661,6 +661,8 @@ class FirstLighthouseScene(PiCreatureScene):
@@ -999,17 +1001,19 @@ class ScreenShapingScene(ThreeDScene):
def construct(self):
self.force_skipping()
self.setup_elements()
# self.deform_screen()
# self.create_brightness_rect()
# self.slant_screen()
# self.unslant_screen()
# self.left_shift_screen_while_showing_light_indicator()
# self.add_distance_arrow()
# self.right_shift_screen_while_showing_light_indicator_and_distance_arrow()
# self.left_shift_again()
# self.morph_into_3d()
self.deform_screen()
self.create_brightness_rect()
self.slant_screen()
self.unslant_screen()
self.left_shift_screen_while_showing_light_indicator()
self.add_distance_arrow()
self.right_shift_screen_while_showing_light_indicator_and_distance_arrow()
self.left_shift_again()
self.revert_to_original_skipping_status()
self.morph_into_3d()
def setup_elements(self):
@@ -1247,8 +1251,8 @@ class ScreenShapingScene(ThreeDScene):
def morph_into_3d(self):
#axes = ThreeDAxes()
#self.add(axes)
axes = ThreeDAxes()
self.add(axes)
phi0 = self.camera.get_phi() # default is 0 degs
theta0 = self.camera.get_theta() # default is -90 degs
@@ -1271,18 +1275,20 @@ class ScreenShapingScene(ThreeDScene):
projection_direction = self.camera.spherical_coords_to_point(phi1,theta1, 1)
new_screen0 = Rectangle(height = self.screen_height,
width = 0.5, stroke_color = RED)
width = 3, stroke_color = RED)
new_screen0.rotate(TAU/4,axis = DOWN)
new_screen0.move_to(self.screen.get_center())
self.add(new_screen0)
self.remove(self.screen)
self.light_source.set_screen(new_screen0)
# # new_screen = new_screen0.deepcopy()
# # new_screen.width = new_screen.height
new_screen = new_screen0.deepcopy()
new_screen.width = new_screen.height
self.play(Transform(new_screen0,new_screen))
self.play(
ApplyMethod(self.camera.rotation_mobject.move_to, camera_target_point),
# #Transform(new_screen0,new_screen)
)
self.wait()
@@ -1697,14 +1703,31 @@ class IPTScene1(PiCreatureScene):
def construct(self):
show_detail = True
SCREEN_SCALE = 0.1
SCREEN_THICKNESS = 0.2
# use the following for the zoomed inset
if show_detail:
self.camera.space_shape = (0.02 * SPACE_HEIGHT, 0.02 * SPACE_WIDTH)
self.camera.space_center = C
SCREEN_SCALE = 0.01
SCREEN_THICKNESS = 0.02
morty = self.get_primary_pi_creature()
self.remove(morty)
morty.scale(0.3).flip()
right_pupil = morty.pupils[1]
morty.next_to(C, LEFT, buff = 0, submobject_to_align = right_pupil)
self.add_foreground_mobject(morty)
if not show_detail:
self.add_foreground_mobject(morty)
stroke_width = 6
line_a = Line(B,C,stroke_width = stroke_width)
@@ -1732,16 +1755,18 @@ class IPTScene1(PiCreatureScene):
self.add_foreground_mobject(label_b)
self.add_foreground_mobject(label_h)
self.add_foreground_mobject(morty)
if not show_detail:
self.add_foreground_mobject(morty)
ls1 = LightSource(radius = 10)
ls1.move_source_to(B)
self.add(ls1.lighthouse)
self.play(
SwitchOn(ls1.ambient_light)
)
if not show_detail:
self.play(
SwitchOn(ls1.ambient_light)
)
self.wait()
@@ -1762,7 +1787,8 @@ class IPTScene1(PiCreatureScene):
fill_opacity = 1.0)
screen1.move_to(C + screen_width_b/2 * RIGHT + screen_thickness_b/2 * DOWN)
self.add_foreground_mobject(morty)
if not show_detail:
self.add_foreground_mobject(morty)
self.play(
FadeIn(screen1)
@@ -1774,6 +1800,11 @@ class IPTScene1(PiCreatureScene):
self.add(screen_tracker)
#self.add(ls1.shadow)
if not show_detail:
self.play(
SwitchOn(ls1.ambient_light)
)
self.play(
SwitchOn(ls1.spotlight),
SwitchOff(ls1.ambient_light)
@@ -1787,12 +1818,11 @@ class IPTScene1(PiCreatureScene):
screen1pp = screen1.deepcopy()
#self.add(screen1p)
angle = np.arccos(length_b / length_c)
vector = (H - C) * SCREEN_SCALE * 0.5
screen1p.stretch_to_fit_width(screen_width_bp)
screen1p.rotate(-angle)
screen1p.shift(vector)
screen1p.move_to(C + (screen_width_b - screen_width_bp/2) * RIGHT + SCREEN_THICKNESS/2 * DOWN)
screen1p.rotate(-angle, about_point = C + screen_width_b * RIGHT)
self.play(
ls1.move_source_to,H,
@@ -1813,17 +1843,21 @@ class IPTScene1(PiCreatureScene):
FadeIn(screen2)
)
self.add_foreground_mobject(screen2)
self.add_foreground_mobject(morty)
if not show_detail:
self.add_foreground_mobject(morty)
# the same scene adding sequence as before
ls2.set_screen(screen2)
screen_tracker2 = ScreenTracker(ls2)
self.add(screen_tracker2)
self.play(
SwitchOn(ls2.ambient_light)
)
if not show_detail:
self.play(
SwitchOn(ls2.ambient_light)
)
self.wait()
self.play(
SwitchOn(ls2.spotlight),
@@ -1838,9 +1872,10 @@ class IPTScene1(PiCreatureScene):
screen2pp = screen2.deepcopy()
angle = np.arccos(length_a / length_c)
screen2p.stretch_to_fit_height(screen_width_ap)
screen2p.rotate(angle, about_point = C + screen_width_ap * UP)
screen2p.move_to(C + (screen_width_a - screen_width_ap/2) * UP + screen_thickness_a/2 * LEFT)
screen2p.rotate(angle, about_point = C + screen_width_a * UP)
# we can reuse the translation vector
screen2p.shift(vector)
# screen2p.shift(vector)
self.play(
ls2.move_source_to,H,
@@ -1855,6 +1890,7 @@ class IPTScene1(PiCreatureScene):
)
class IPTScene2(Scene):
def construct(self):