Retire clacks to old_projects

old_projects/clacks/solution2/pi_creature_scenes.py

@@ -0,0 +1,118 @@
+from big_ol_pile_of_manim_imports import *
+
+
+class OnAnsweringTwice(TeacherStudentsScene):
+    def construct(self):
+        question = TextMobject("Why $\\pi$?")
+        question.move_to(self.screen)
+        question.to_edge(UP)
+        other_questions = VGroup(
+            TextMobject("Frequency of collisions?"),
+            TextMobject("Efficient simulation?"),
+            TextMobject("Time until last collision?"),
+        )
+        for mob in other_questions:
+            mob.move_to(self.hold_up_spot, DOWN)
+
+        self.add(question)
+
+        self.student_says(
+            "But we already \\\\ solved it",
+            bubble_kwargs={"direction": LEFT},
+            target_mode="raise_left_hand",
+            added_anims=[self.teacher.change, "thinking"]
+        )
+        self.change_student_modes("sassy", "angry")
+        self.wait()
+        self.play(
+            RemovePiCreatureBubble(self.students[2]),
+            self.get_student_changes("erm", "erm"),
+            ApplyMethod(
+                question.move_to, self.hold_up_spot, DOWN,
+                path_arc=-90 * DEGREES,
+            ),
+            self.teacher.change, "raise_right_hand",
+        )
+        shown_questions = VGroup(question)
+        for oq in other_questions:
+            self.play(
+                shown_questions.shift, 0.85 * UP,
+                FadeInFromDown(oq),
+                self.get_student_changes(
+                    *["pondering"] * 3,
+                    look_at_arg=oq
+                )
+            )
+            shown_questions.add(oq)
+        self.wait(3)
+
+
+class AskAboutEqualMassMomentumTransfer(TeacherStudentsScene):
+    def construct(self):
+        self.student_says("Why?")
+        self.change_student_modes("confused", "confused")
+        self.wait()
+        self.play(
+            RemovePiCreatureBubble(self.students[2]),
+            self.teacher.change, "raise_right_hand"
+        )
+        self.change_all_student_modes("pondering")
+        self.look_at(self.hold_up_spot + 2 * UP)
+        self.wait(5)
+
+
+class ComplainAboutRelevanceOfAnalogy(TeacherStudentsScene):
+    def construct(self):
+        self.student_says(
+            "Why would \\\\ you care",
+            target_mode="maybe"
+        )
+        self.change_student_modes(
+            "angry", "sassy", "maybe",
+            added_anims=[self.teacher.change, "guilty"]
+        )
+        self.wait(2)
+        self.play(
+            self.teacher.change, "raise_right_hand",
+            self.get_student_changes(
+                "pondering", "erm", "pondering",
+                look_at_arg=self.hold_up_spot,
+            ),
+            RemovePiCreatureBubble(self.students[2])
+        )
+        self.play(
+            self.students[2].change, "thinking",
+            self.hold_up_spot + UP,
+        )
+        self.wait(3)
+
+
+class ReplaceOneTrickySceneWithAnother(TeacherStudentsScene):
+    def construct(self):
+        self.student_says(
+            "This replaces one tricky\\\\problem with another",
+            student_index=1,
+            target_mode="sassy",
+            added_anims=[self.teacher.change, "happy"],
+        )
+        self.change_student_modes("erm", "sassy", "angry")
+        self.wait(4)
+        self.play(
+            RemovePiCreatureBubble(self.students[1]),
+            self.teacher.change, "raise_right_hand",
+            self.get_student_changes(*3 * ["pondering"])
+        )
+        self.look_at(self.hold_up_spot + 2 * UP)
+        self.wait(5)
+
+
+class NowForTheGoodPart(TeacherStudentsScene):
+    def construct(self):
+        self.teacher_says(
+            r"Now for the \\ good part!",
+            target_mode="hooray",
+            added_anims=[self.get_student_changes(
+                "hooray", "surprised", "happy"
+            )],
+        )
+        self.wait(2)