forked from jeertmans/manim-slides
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathexample.py
360 lines (266 loc) · 9.49 KB
/
example.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
# flake8: noqa: F403, F405
# type: ignore
import sys
if "manimlib" in sys.modules:
from manimlib import *
MANIMGL = True
else:
from manim import *
MANIMGL = False
from manim_slides import Slide, ThreeDSlide
class BasicExample(Slide):
def construct(self):
circle = Circle(radius=3, color=BLUE)
dot = Dot()
self.play(GrowFromCenter(circle))
self.next_slide() # Waits user to press continue to go to the next slide
self.start_loop() # Start loop
self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
self.end_loop() # This will loop until user inputs a key
self.play(dot.animate.move_to(ORIGIN))
self.next_slide() # Waits user to press continue to go to the next slide
class MultipleAnimationsInLastSlide(Slide):
"""This is used to check against solution for issue #161."""
def construct(self):
circle = Circle(color=BLUE)
dot = Dot()
self.play(GrowFromCenter(circle))
self.play(FadeIn(dot))
self.next_slide()
self.play(dot.animate.move_to(RIGHT))
self.play(dot.animate.move_to(UP))
self.play(dot.animate.move_to(LEFT))
self.play(dot.animate.move_to(DOWN))
self.next_slide()
class TestFileTooLong(Slide):
"""This is used to check against solution for issue #123."""
def construct(self):
import random
circle = Circle(radius=3, color=BLUE)
dot = Dot()
self.play(GrowFromCenter(circle), run_time=0.1)
for _ in range(30):
direction = (random.random() - 0.5) * LEFT + (random.random() - 0.5) * UP
self.play(dot.animate.move_to(direction), run_time=0.1)
self.play(dot.animate.move_to(ORIGIN), run_time=0.1)
self.next_slide()
class ConvertExample(Slide):
"""WARNING: this example does not seem to work with ManimGL."""
def construct(self):
self.wait_time_between_slides = 0.1
title = VGroup(
Text("From Manim animations", t2c={"From": BLUE}),
Text("to slides presentation", t2c={"to": BLUE}),
Text("with Manim Slides", t2w={"[-12:]": BOLD}, t2c={"[-13:]": YELLOW}),
).arrange(DOWN)
step_1 = Text("1. In your scenes file, import Manim Slides")
step_2 = Text("2. Replace Scene with Slide")
step_3 = Text("3. In construct, add pauses where you need")
step_4 = Text("4. You can also create loops")
step_5 = Text("5. Render you scene with Manim")
step_6 = Text("6. Open your presentation with Manim Slides")
for step in [step_1, step_2, step_3, step_4, step_5, step_6]:
step.scale(0.5).to_corner(UL)
step = step_1
self.play(FadeIn(title))
self.next_slide()
code = Code(
code="""from manim import *
class Example(Scene):
def construct(self):
dot = Dot()
self.add(dot)
self.play(Indicate(dot, scale_factor=2))
square = Square()
self.play(Transform(dot, square))
self.play(Rotate(square, angle=PI/2))
""",
language="python",
)
code_step_1 = Code(
code="""from manim import *
from manim_slides import Slide
class Example(Scene):
def construct(self):
dot = Dot()
self.add(dot)
self.play(Indicate(dot, scale_factor=2))
square = Square()
self.play(Transform(dot, square))
self.play(Rotate(square, angle=PI/2))
""",
language="python",
)
code_step_2 = Code(
code="""from manim import *
from manim_slides import Slide
class Example(Slide):
def construct(self):
dot = Dot()
self.add(dot)
self.play(Indicate(dot, scale_factor=2))
square = Square()
self.play(Transform(dot, square))
self.play(Rotate(square, angle=PI/2))
""",
language="python",
)
code_step_3 = Code(
code="""from manim import *
from manim_slides import Slide
class Example(Slide):
def construct(self):
dot = Dot()
self.add(dot)
self.play(Indicate(dot, scale_factor=2))
self.next_slide()
square = Square()
self.play(Transform(dot, square))
self.next_slide()
self.play(Rotate(square, angle=PI/2))
""",
language="python",
)
code_step_4 = Code(
code="""from manim import *
from manim_slides import Slide
class Example(Slide):
def construct(self):
dot = Dot()
self.add(dot)
self.start_loop()
self.play(Indicate(dot, scale_factor=2))
self.end_loop()
square = Square()
self.play(Transform(dot, square))
self.next_slide()
self.play(Rotate(square, angle=PI/2))
""",
language="python",
)
code_step_5 = Code(
code="manim example.py Example",
language="console",
)
code_step_6 = Code(
code="manim-slides Example",
language="console",
)
or_text = Text("or generate HTML presentation").scale(0.5)
code_step_7 = Code(
code="manim-slides convert Example slides.html --open",
language="console",
).shift(DOWN)
self.play(self.wipe(title, code))
self.next_slide()
self.play(FadeIn(step, shift=RIGHT))
self.play(Transform(code, code_step_1))
self.next_slide()
self.play(Transform(step, step_2))
self.play(Transform(code, code_step_2))
self.next_slide()
self.play(Transform(step, step_3))
self.play(Transform(code, code_step_3))
self.next_slide()
self.play(Transform(step, step_4))
self.play(Transform(code, code_step_4))
self.next_slide()
self.play(Transform(step, step_5))
self.play(Transform(code, code_step_5))
self.next_slide()
self.play(Transform(step, step_6))
self.play(Transform(code, code_step_6))
self.play(code.animate.shift(UP), FadeIn(code_step_7), FadeIn(or_text))
self.next_slide()
watch_text = Text("Watch result on next slides!").shift(2 * DOWN).scale(0.5)
self.start_loop()
self.play(FadeIn(watch_text))
self.play(FadeOut(watch_text))
self.end_loop()
self.clear()
dot = Dot()
self.add(dot)
self.start_loop()
self.play(Indicate(dot, scale_factor=2))
self.end_loop()
square = Square()
self.play(Transform(dot, square))
self.remove(dot)
self.add(square)
self.next_slide()
self.play(Rotate(square, angle=PI / 4))
self.next_slide()
learn_more_text = (
VGroup(
Text("Learn more about Manim Slides:"),
Text("https://github.com/jeertmans/manim-slides", color=YELLOW),
)
.arrange(DOWN)
.scale(0.75)
)
self.play(Transform(square, learn_more_text))
# For ThreeDExample, things are different
if not MANIMGL:
# [manim-3d]
class ThreeDExample(ThreeDSlide):
def construct(self):
axes = ThreeDAxes()
circle = Circle(radius=3, color=BLUE)
dot = Dot(color=RED)
self.add(axes)
self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
self.play(GrowFromCenter(circle))
self.begin_ambient_camera_rotation(rate=75 * DEGREES / 4)
self.next_slide()
self.start_loop()
self.play(MoveAlongPath(dot, circle), run_time=4, rate_func=linear)
self.end_loop()
self.stop_ambient_camera_rotation()
self.move_camera(phi=75 * DEGREES, theta=30 * DEGREES)
self.play(dot.animate.move_to(ORIGIN))
self.next_slide()
self.play(dot.animate.move_to(RIGHT * 3))
self.next_slide()
self.start_loop()
self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
self.end_loop()
self.play(dot.animate.move_to(ORIGIN))
# [manim-3d]
else:
# [manimgl-3d]
# WARNING: 3b1b's manim change how ThreeDScene work,
# this is why things have to be managed differently.
class ThreeDExample(Slide):
CONFIG = {
"camera_class": ThreeDCamera,
}
def construct(self):
axes = ThreeDAxes()
circle = Circle(radius=3, color=BLUE)
dot = Dot(color=RED)
self.add(axes)
frame = self.camera.frame
frame.set_euler_angles(
theta=30 * DEGREES,
phi=75 * DEGREES,
gamma=0,
)
self.play(GrowFromCenter(circle))
def updater(m, dt):
return m.increment_theta((75 * DEGREES / 4) * dt)
frame.add_updater(updater)
self.next_slide()
self.start_loop()
self.play(MoveAlongPath(dot, circle), run_time=4, rate_func=linear)
self.end_loop()
frame.remove_updater(updater)
self.play(frame.animate.set_theta(30 * DEGREES))
self.play(dot.animate.move_to(ORIGIN))
self.next_slide()
self.play(dot.animate.move_to(RIGHT * 3))
self.next_slide()
self.start_loop()
self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear)
self.end_loop()
self.play(dot.animate.move_to(ORIGIN))
# [manimgl-3d]