Merge pull request #710 from 3b1b/windmill

Windmill

active_projects/diffyq/part2/fourier_series.py

@@ -372,7 +372,7 @@ class FourierOfPiSymbol(FourierCirclesScene):
         return path
 
 
-class FourierOfName(FourierOfPiSymbol):
+class FourierOfName(FourierOfPiSymbol, MovingCameraScene):
     CONFIG = {
         "n_vectors": 100,
         "name_color": WHITE,
@@ -390,6 +390,9 @@ class FourierOfName(FourierOfPiSymbol):
         if name.get_height() > max_height:
             name.set_height(max_height)
 
+        frame = self.camera.frame
+        frame.save_state()
+
         vectors = VGroup(VectorizedPoint())
         circles = VGroup(VectorizedPoint())
         for path in name.family_members_with_points():
@@ -416,6 +419,8 @@ class FourierOfName(FourierOfPiSymbol):
                 self.play(
                     Transform(vectors, static_vectors, remover=True),
                     Transform(circles, static_circles, remover=True),
+                    frame.set_height, 1.5 * name.get_height(),
+                    frame.move_to, path,
                 )
 
                 self.add(new_vectors, new_circles)
@@ -431,7 +436,9 @@ class FourierOfName(FourierOfPiSymbol):
                 vectors = static_vectors
                 circles = static_circles
         self.play(
-            FadeOut(vectors)
+            FadeOut(vectors),
+            Restore(frame),
+            run_time=2
         )
         self.wait(3)
 

manimlib/for_3b1b_videos/common_scenes.py

@@ -154,7 +154,8 @@ class PatreonEndScreen(PatreonThanks, PiCreatureScene):
         "randomize_order": True,
         "capitalize": True,
         "name_y_spacing": 0.7,
-        "thanks_words": "Funded by the community, with special thanks to:",
+        # "thanks_words": "Funded by the community, with special thanks to:",
+        "thanks_words": "Early access, name in credits and more at 3b1b.org/support",
     }
 
     def construct(self):

old_projects/eoc/chapter1.py

@@ -2760,7 +2760,7 @@ class Thumbnail(AlternateAreaUnderCurve):
     CONFIG = {
         "x_axis_label" : "",
         "y_axis_label" : "",
-        "graph_origin" : 2.4*DOWN + 3*LEFT,
+        "graph_origin" : 2.4 * DOWN + 3 * LEFT,
     }
     def construct(self):
         self.setup_axes()
@@ -2775,8 +2775,8 @@ class Thumbnail(AlternateAreaUnderCurve):
             start_color = BLUE_E,
         )
         words = TextMobject("""
-            Essence of
-            calculus
+            Could \\emph{you} invent
+            calculus?
         """)
         words.set_width(9)
         words.to_edge(UP)

stage_scenes.py

@@ -45,7 +45,7 @@ def stage_scenes(module_name):
     animation_dir = os.path.join(
         os.path.expanduser('~'),
         "Dropbox (3Blue1Brown)/3Blue1Brown Team Folder/videos",
-        "diffyq", "part5", "1440p60"
+        "windmill", "1440p60"
     )
     # 
     files = os.listdir(animation_dir)