From 8b9a40fb07b90f0f3435b4f73565cac6f4682f36 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Sun, 20 Sep 2020 00:12:21 +0200
Subject: [PATCH 01/34] #added some examples to the camera scene

---
 docs/source/examples/camera_settings.rst | 125 ++++++++++++++++++++---
 1 file changed, 113 insertions(+), 12 deletions(-)

diff --git a/docs/source/examples/camera_settings.rst b/docs/source/examples/camera_settings.rst
index 0f1df6a412..5c335d87af 100644
--- a/docs/source/examples/camera_settings.rst
+++ b/docs/source/examples/camera_settings.rst
@@ -1,18 +1,119 @@
 Camera Settings
 =================================
 
-.. manim:: TestZoom1
+.. manim:: Example1
     :quality: medium
 
-    class TestZoom1(ZoomedScene):
-        CONFIG = {
-            "zoomed_camera_frame_starting_position": [0, 0, 0],
-            "zoomed_display_corner": [0, 0, 0],
-            "zoomed_display_height": config['frame_height'],
-            "zoomed_display_width": config['frame_width'],
-            "zoom_factor": 0.1,
-        }
+    class Example1(MovingCameraScene):
         def construct(self):
-            self.activate_zooming(animate=True)
-            d = Dot()
-            self.add(d)
+            text = Text("Hello World")
+            self.add(text)
+            self.play(self.camera_frame.set_width, text.get_width() * 1.2)
+            self.wait()
+
+.. manim:: Example2a
+    :quality: medium
+
+    class Example2a(MovingCameraScene):
+        def construct(self):
+            text = Text("Hello World").set_color(BLUE)
+            self.add(text)
+            self.camera_frame.save_state()
+            self.play(self.camera_frame.set_width, text.get_width() * 1.2)
+            self.wait(0.3)
+            self.play(Restore(self.camera_frame))
+
+.. manim:: Example2b
+    :quality: medium
+
+    class Example2b(MovingCameraScene):
+        def construct(self):
+            text = Text("Hello World").set_color(BLUE)
+            self.add(text)
+            self.play(self.camera_frame.set_width, text.get_width() * 1.2)
+            self.wait(0.3)
+            self.play(self.camera_frame.set_width, 14)
+
+
+.. manim:: Example3
+    :quality: medium
+
+    class Example3(MovingCameraScene):
+        def construct(self):
+            s = Square(color=RED, fill_opacity=0.5).move_to(2 * LEFT)
+            t = Triangle(color=GREEN, fill_opacity=0.5).move_to(2 * RIGHT)
+            self.add(s, t)
+            self.play(self.camera_frame.move_to, s)
+            self.wait(0.3)
+            self.play(self.camera_frame.move_to, t)
+
+.. manim:: Example4
+    :quality: medium
+
+    class Example4(MovingCameraScene):
+        def construct(self):
+            s = Square(color=BLUE, fill_opacity=0.5).move_to(2 * LEFT)
+            t = Triangle(color=YELLOW, fill_opacity=0.5).move_to(2 * RIGHT)
+            self.add(s, t)
+            self.play(self.camera_frame.move_to, s,
+                      self.camera_frame.set_width,s.get_width()*2)
+            self.wait(0.3)
+            self.play(self.camera_frame.move_to, t,
+                      self.camera_frame.set_width,t.get_width()*2)
+
+            self.play(self.camera_frame.move_to, ORIGIN,
+                      self.camera_frame.set_width,14)
+
+.. manim:: Example5
+    :quality: medium
+
+    class Example5(GraphScene, MovingCameraScene):
+        def setup(self):
+            GraphScene.setup(self)
+            MovingCameraScene.setup(self)
+        def construct(self):
+            self.camera_frame.save_state()
+            self.setup_axes(animate=False)
+            graph = self.get_graph(lambda x: np.sin(x),
+                                   color=WHITE,
+                                   x_min=0,
+                                   x_max=3 * PI
+                                   )
+            dot_at_start_graph = Dot().move_to(graph.points[0])
+            dot_at_end_grap = Dot().move_to(graph.points[-1])
+            self.add(graph, dot_at_end_grap, dot_at_start_graph)
+            self.play(self.camera_frame.scale, 0.5, self.camera_frame.move_to, dot_at_start_graph)
+            self.play(self.camera_frame.move_to, dot_at_end_grap)
+            self.play(Restore(self.camera_frame))
+            self.wait()
+
+.. manim:: Example6
+    :quality: medium
+
+    class Example6(GraphScene, MovingCameraScene):
+        def setup(self):
+            GraphScene.setup(self)
+            MovingCameraScene.setup(self)
+        def construct(self):
+            self.camera_frame.save_state()
+            self.setup_axes(animate=False)
+            graph = self.get_graph(lambda x: np.sin(x),
+                                   color=BLUE,
+                                   x_min=0,
+                                   x_max=3 * PI
+                                   )
+            moving_dot = Dot().move_to(graph.points[0]).set_color(ORANGE)
+
+            dot_at_start_graph = Dot().move_to(graph.points[0])
+            dot_at_end_grap = Dot().move_to(graph.points[-1])
+            self.add(graph, dot_at_end_grap, dot_at_start_graph, moving_dot)
+            self.play( self.camera_frame.scale,0.5,self.camera_frame.move_to,moving_dot)
+
+            def update_curve(mob):
+                mob.move_to(moving_dot.get_center())
+
+            self.camera_frame.add_updater(update_curve)
+            self.play(MoveAlongPath(moving_dot, graph, rate_func=linear))
+            self.camera_frame.remove_updater(update_curve)
+
+            self.play(Restore(self.camera_frame))
\ No newline at end of file

From 219c8f6ec6989301828443ef23256f5c11303b5b Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Sun, 20 Sep 2020 00:58:12 +0200
Subject: [PATCH 02/34] #added 3 ZoomedScene examples

---
 docs/source/examples/camera_settings.rst      | 107 +++++++++++++++++-
 .../examplesspython/zoomed_with_rect_01.py    |  22 ++++
 .../examplesspython/zoomed_with_rect_02.py    |  35 ++++++
 .../examplesspython/zoomed_with_rect_03.py    |  73 ++++++++++++
 4 files changed, 236 insertions(+), 1 deletion(-)
 create mode 100644 docs/source/examplesspython/zoomed_with_rect_01.py
 create mode 100644 docs/source/examplesspython/zoomed_with_rect_02.py
 create mode 100644 docs/source/examplesspython/zoomed_with_rect_03.py

diff --git a/docs/source/examples/camera_settings.rst b/docs/source/examples/camera_settings.rst
index 5c335d87af..3193dbc81e 100644
--- a/docs/source/examples/camera_settings.rst
+++ b/docs/source/examples/camera_settings.rst
@@ -116,4 +116,109 @@ Camera Settings
             self.play(MoveAlongPath(moving_dot, graph, rate_func=linear))
             self.camera_frame.remove_updater(update_curve)
 
-            self.play(Restore(self.camera_frame))
\ No newline at end of file
+            self.play(Restore(self.camera_frame))
+
+
+Note: ZoomedScene is derived class of MovingCameraScene,
+so one can use all functionality that were used before in the MovingCameraScene examples.
+
+.. manim:: ExampleZoom1
+    :quality: medium
+
+    class ExampleZoom1(ZoomedScene):
+        def construct(self):
+            dot = Dot().set_color(GREEN)
+            self.add(dot)
+            self.wait(1)
+            self.activate_zooming(animate=False)
+            self.wait(1)
+            self.play(dot.shift, LEFT)
+
+.. manim:: ExampleZoom2
+    :quality: medium
+
+    class ExampleZoom2(ZoomedScene):
+        CONFIG = {
+            "zoom_factor": 0.3,
+            "zoomed_display_height": 1,
+            "zoomed_display_width": 3,
+            "image_frame_stroke_width": 20,
+            "zoomed_camera_config": {
+                "default_frame_stroke_width": 3,
+            },
+        }
+        def construct(self):
+            dot = Dot().set_color(GREEN)
+            sq = Circle(fill_opacity=1, radius=0.2).next_to(dot, RIGHT)
+            self.add(dot, sq)
+            self.wait(1)
+            self.activate_zooming(animate=False)
+            self.wait(1)
+            self.play(dot.shift, LEFT * 0.3)
+
+            self.play(self.zoomed_camera.frame.scale, 4)
+            self.play(self.zoomed_camera.frame.shift, 0.5 * DOWN)
+
+
+.. manim:: ExampleZoom3
+    :quality: medium
+
+    class ExampleZoom3(ZoomedScene):
+        CONFIG = {
+            "zoom_factor": 0.3,
+            "zoomed_display_height": 1,
+            "zoomed_display_width": 6,
+            "image_frame_stroke_width": 20,
+            "zoomed_camera_config": {
+                "default_frame_stroke_width": 3,
+            },
+        }
+
+        def construct(self):
+            dot = Dot().shift(UL * 2)
+            image = ImageMobject(np.uint8([[0, 100, 30, 200],
+                                           [255, 0, 5, 33]]))
+            image.set_height(7)
+            frame_text = TextMobject("Frame", color=PURPLE).scale(1.4)
+            zoomed_camera_text = TextMobject("Zoomed camera", color=RED).scale(1.4)
+
+            self.add(image, dot)
+            zoomed_camera = self.zoomed_camera
+            zoomed_display = self.zoomed_display
+            frame = zoomed_camera.frame
+            zoomed_display_frame = zoomed_display.display_frame
+
+            frame.move_to(dot)
+            frame.set_color(PURPLE)
+            zoomed_display_frame.set_color(RED)
+            zoomed_display.shift(DOWN)
+
+            zd_rect = BackgroundRectangle(zoomed_display, fill_opacity=0, buff=MED_SMALL_BUFF)
+            self.add_foreground_mobject(zd_rect)
+
+            unfold_camera = UpdateFromFunc(zd_rect, lambda rect: rect.replace(zoomed_display))
+
+            frame_text.next_to(frame, DOWN)
+
+            self.play(ShowCreation(frame), FadeInFromDown(frame_text))
+            self.activate_zooming()
+
+            self.play(self.get_zoomed_display_pop_out_animation(), unfold_camera)
+            zoomed_camera_text.next_to(zoomed_display_frame, DOWN)
+            self.play(FadeInFromDown(zoomed_camera_text))
+            # Scale in        x   y  z
+            scale_factor = [0.5, 1.5, 0]
+            self.play(
+                frame.scale, scale_factor,
+                zoomed_display.scale, scale_factor,
+                FadeOut(zoomed_camera_text),
+                FadeOut(frame_text)
+            )
+            self.wait()
+            self.play(ScaleInPlace(zoomed_display, 2))
+            self.wait()
+            self.play(frame.shift, 2.5 * DOWN)
+            self.wait()
+            self.play(self.get_zoomed_display_pop_out_animation(), unfold_camera, rate_func=lambda t: smooth(1 - t))
+            self.play(Uncreate(zoomed_display_frame), FadeOut(frame))
+            self.wait()
\ No newline at end of file
diff --git a/docs/source/examplesspython/zoomed_with_rect_01.py b/docs/source/examplesspython/zoomed_with_rect_01.py
new file mode 100644
index 0000000000..dbebf337ae
--- /dev/null
+++ b/docs/source/examplesspython/zoomed_with_rect_01.py
@@ -0,0 +1,22 @@
+from manim import *
+
+
+class ExampleZoom1(ZoomedScene):
+    def construct(self):
+        dot = Dot().set_color(GREEN)
+        self.add(dot)
+        self.wait(1)
+        self.activate_zooming(animate=False)
+        self.wait(1)
+        self.play(dot.shift, LEFT)
+
+
+import os;
+import sys
+from pathlib import Path
+
+if __name__ == "__main__":
+    project_path = Path(sys.path[1]).parent
+    script_name = f"{Path(__file__).resolve()}"
+    os.system(
+        f"manim  -m --custom_folders  --disable_caching  -p -c 'BLACK' --config_file '{project_path}/manim_settings.cfg' " + script_name)
diff --git a/docs/source/examplesspython/zoomed_with_rect_02.py b/docs/source/examplesspython/zoomed_with_rect_02.py
new file mode 100644
index 0000000000..1ca0e469dd
--- /dev/null
+++ b/docs/source/examplesspython/zoomed_with_rect_02.py
@@ -0,0 +1,35 @@
+from manim import *
+
+
+class ExampleZoom2(ZoomedScene):
+    CONFIG = {
+        "zoom_factor": 0.3,
+        "zoomed_display_height": 1,
+        "zoomed_display_width": 3,
+        "image_frame_stroke_width": 20,
+        "zoomed_camera_config": {
+            "default_frame_stroke_width": 3,
+        },
+    }
+    def construct(self):
+        dot = Dot().set_color(GREEN)
+        sq = Circle(fill_opacity=1, radius=0.2).next_to(dot, RIGHT)
+        self.add(dot, sq)
+        self.wait(1)
+        self.activate_zooming(animate=False)
+        self.wait(1)
+        self.play(dot.shift, LEFT * 0.3)
+
+        self.play(self.zoomed_camera.frame.scale, 4)
+        self.play(self.zoomed_camera.frame.shift, 0.5 * DOWN)
+
+
+import os;
+import sys
+from pathlib import Path
+
+if __name__ == "__main__":
+    project_path = Path(sys.path[1]).parent
+    script_name = f"{Path(__file__).resolve()}"
+    os.system(
+        f"manim  -m --custom_folders  --disable_caching  -p -c 'BLACK' --config_file '{project_path}/manim_settings.cfg' " + script_name)
diff --git a/docs/source/examplesspython/zoomed_with_rect_03.py b/docs/source/examplesspython/zoomed_with_rect_03.py
new file mode 100644
index 0000000000..e56875d7a5
--- /dev/null
+++ b/docs/source/examplesspython/zoomed_with_rect_03.py
@@ -0,0 +1,73 @@
+from manim import *
+
+
+class ExampleZoom3(ZoomedScene):
+    CONFIG = {
+        "zoom_factor": 0.3,
+        "zoomed_display_height": 1,
+        "zoomed_display_width": 6,
+        "image_frame_stroke_width": 20,
+        "zoomed_camera_config": {
+            "default_frame_stroke_width": 3,
+        },
+    }
+
+    def construct(self):
+        dot = Dot().shift(UL * 2)
+        image = ImageMobject(np.uint8([[0, 100, 30, 200],
+                                       [255, 0, 5, 33]]))
+        image.set_height(7)
+        frame_text = TextMobject("Frame", color=PURPLE).scale(1.4)
+        zoomed_camera_text = TextMobject("Zoomed camera", color=RED).scale(1.4)
+
+        self.add(image, dot)
+        zoomed_camera = self.zoomed_camera
+        zoomed_display = self.zoomed_display
+        frame = zoomed_camera.frame
+        zoomed_display_frame = zoomed_display.display_frame
+
+        frame.move_to(dot)
+        frame.set_color(PURPLE)
+        zoomed_display_frame.set_color(RED)
+        zoomed_display.shift(DOWN)
+
+        zd_rect = BackgroundRectangle(zoomed_display, fill_opacity=0, buff=MED_SMALL_BUFF)
+        self.add_foreground_mobject(zd_rect)
+
+        unfold_camera = UpdateFromFunc(zd_rect, lambda rect: rect.replace(zoomed_display))
+
+        frame_text.next_to(frame, DOWN)
+
+        self.play(ShowCreation(frame), FadeInFromDown(frame_text))
+        self.activate_zooming()
+
+        self.play(self.get_zoomed_display_pop_out_animation(), unfold_camera)
+        zoomed_camera_text.next_to(zoomed_display_frame, DOWN)
+        self.play(FadeInFromDown(zoomed_camera_text))
+        # Scale in        x   y  z
+        scale_factor = [0.5, 1.5, 0]
+        self.play(
+            frame.scale, scale_factor,
+            zoomed_display.scale, scale_factor,
+            FadeOut(zoomed_camera_text),
+            FadeOut(frame_text)
+        )
+        self.wait()
+        self.play(ScaleInPlace(zoomed_display, 2))
+        self.wait()
+        self.play(frame.shift, 2.5 * DOWN)
+        self.wait()
+        self.play(self.get_zoomed_display_pop_out_animation(), unfold_camera, rate_func=lambda t: smooth(1 - t))
+        self.play(Uncreate(zoomed_display_frame), FadeOut(frame))
+        self.wait()
+
+
+import os;
+import sys
+from pathlib import Path
+
+if __name__ == "__main__":
+    project_path = Path(sys.path[1]).parent
+    script_name = f"{Path(__file__).resolve()}"
+    os.system(
+        f"manim  -l --custom_folders  --disable_caching  -p -c 'BLACK' --config_file '{project_path}/manim_settings.cfg' " + script_name)

From e9621873781a039ed44f4e32981129b41f491717 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Sun, 20 Sep 2020 01:01:07 +0200
Subject: [PATCH 03/34] #removed accidentally added files

---
 .../examplesspython/zoomed_with_rect_01.py    | 22 ------
 .../examplesspython/zoomed_with_rect_02.py    | 35 ---------
 .../examplesspython/zoomed_with_rect_03.py    | 73 -------------------
 3 files changed, 130 deletions(-)
 delete mode 100644 docs/source/examplesspython/zoomed_with_rect_01.py
 delete mode 100644 docs/source/examplesspython/zoomed_with_rect_02.py
 delete mode 100644 docs/source/examplesspython/zoomed_with_rect_03.py

diff --git a/docs/source/examplesspython/zoomed_with_rect_01.py b/docs/source/examplesspython/zoomed_with_rect_01.py
deleted file mode 100644
index dbebf337ae..0000000000
--- a/docs/source/examplesspython/zoomed_with_rect_01.py
+++ /dev/null
@@ -1,22 +0,0 @@
-from manim import *
-
-
-class ExampleZoom1(ZoomedScene):
-    def construct(self):
-        dot = Dot().set_color(GREEN)
-        self.add(dot)
-        self.wait(1)
-        self.activate_zooming(animate=False)
-        self.wait(1)
-        self.play(dot.shift, LEFT)
-
-
-import os;
-import sys
-from pathlib import Path
-
-if __name__ == "__main__":
-    project_path = Path(sys.path[1]).parent
-    script_name = f"{Path(__file__).resolve()}"
-    os.system(
-        f"manim  -m --custom_folders  --disable_caching  -p -c 'BLACK' --config_file '{project_path}/manim_settings.cfg' " + script_name)
diff --git a/docs/source/examplesspython/zoomed_with_rect_02.py b/docs/source/examplesspython/zoomed_with_rect_02.py
deleted file mode 100644
index 1ca0e469dd..0000000000
--- a/docs/source/examplesspython/zoomed_with_rect_02.py
+++ /dev/null
@@ -1,35 +0,0 @@
-from manim import *
-
-
-class ExampleZoom2(ZoomedScene):
-    CONFIG = {
-        "zoom_factor": 0.3,
-        "zoomed_display_height": 1,
-        "zoomed_display_width": 3,
-        "image_frame_stroke_width": 20,
-        "zoomed_camera_config": {
-            "default_frame_stroke_width": 3,
-        },
-    }
-    def construct(self):
-        dot = Dot().set_color(GREEN)
-        sq = Circle(fill_opacity=1, radius=0.2).next_to(dot, RIGHT)
-        self.add(dot, sq)
-        self.wait(1)
-        self.activate_zooming(animate=False)
-        self.wait(1)
-        self.play(dot.shift, LEFT * 0.3)
-
-        self.play(self.zoomed_camera.frame.scale, 4)
-        self.play(self.zoomed_camera.frame.shift, 0.5 * DOWN)
-
-
-import os;
-import sys
-from pathlib import Path
-
-if __name__ == "__main__":
-    project_path = Path(sys.path[1]).parent
-    script_name = f"{Path(__file__).resolve()}"
-    os.system(
-        f"manim  -m --custom_folders  --disable_caching  -p -c 'BLACK' --config_file '{project_path}/manim_settings.cfg' " + script_name)
diff --git a/docs/source/examplesspython/zoomed_with_rect_03.py b/docs/source/examplesspython/zoomed_with_rect_03.py
deleted file mode 100644
index e56875d7a5..0000000000
--- a/docs/source/examplesspython/zoomed_with_rect_03.py
+++ /dev/null
@@ -1,73 +0,0 @@
-from manim import *
-
-
-class ExampleZoom3(ZoomedScene):
-    CONFIG = {
-        "zoom_factor": 0.3,
-        "zoomed_display_height": 1,
-        "zoomed_display_width": 6,
-        "image_frame_stroke_width": 20,
-        "zoomed_camera_config": {
-            "default_frame_stroke_width": 3,
-        },
-    }
-
-    def construct(self):
-        dot = Dot().shift(UL * 2)
-        image = ImageMobject(np.uint8([[0, 100, 30, 200],
-                                       [255, 0, 5, 33]]))
-        image.set_height(7)
-        frame_text = TextMobject("Frame", color=PURPLE).scale(1.4)
-        zoomed_camera_text = TextMobject("Zoomed camera", color=RED).scale(1.4)
-
-        self.add(image, dot)
-        zoomed_camera = self.zoomed_camera
-        zoomed_display = self.zoomed_display
-        frame = zoomed_camera.frame
-        zoomed_display_frame = zoomed_display.display_frame
-
-        frame.move_to(dot)
-        frame.set_color(PURPLE)
-        zoomed_display_frame.set_color(RED)
-        zoomed_display.shift(DOWN)
-
-        zd_rect = BackgroundRectangle(zoomed_display, fill_opacity=0, buff=MED_SMALL_BUFF)
-        self.add_foreground_mobject(zd_rect)
-
-        unfold_camera = UpdateFromFunc(zd_rect, lambda rect: rect.replace(zoomed_display))
-
-        frame_text.next_to(frame, DOWN)
-
-        self.play(ShowCreation(frame), FadeInFromDown(frame_text))
-        self.activate_zooming()
-
-        self.play(self.get_zoomed_display_pop_out_animation(), unfold_camera)
-        zoomed_camera_text.next_to(zoomed_display_frame, DOWN)
-        self.play(FadeInFromDown(zoomed_camera_text))
-        # Scale in        x   y  z
-        scale_factor = [0.5, 1.5, 0]
-        self.play(
-            frame.scale, scale_factor,
-            zoomed_display.scale, scale_factor,
-            FadeOut(zoomed_camera_text),
-            FadeOut(frame_text)
-        )
-        self.wait()
-        self.play(ScaleInPlace(zoomed_display, 2))
-        self.wait()
-        self.play(frame.shift, 2.5 * DOWN)
-        self.wait()
-        self.play(self.get_zoomed_display_pop_out_animation(), unfold_camera, rate_func=lambda t: smooth(1 - t))
-        self.play(Uncreate(zoomed_display_frame), FadeOut(frame))
-        self.wait()
-
-
-import os;
-import sys
-from pathlib import Path
-
-if __name__ == "__main__":
-    project_path = Path(sys.path[1]).parent
-    script_name = f"{Path(__file__).resolve()}"
-    os.system(
-        f"manim  -l --custom_folders  --disable_caching  -p -c 'BLACK' --config_file '{project_path}/manim_settings.cfg' " + script_name)

From ab0b262c20aaa459eef31bcb2cec7483524b780f Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Sun, 20 Sep 2020 15:12:05 +0200
Subject: [PATCH 04/34] #added updater examples

---
 docs/source/examples/animations.rst | 103 +++++++++++++++++++++++++---
 1 file changed, 95 insertions(+), 8 deletions(-)

diff --git a/docs/source/examples/animations.rst b/docs/source/examples/animations.rst
index 7dea2d1b64..40f7c91615 100644
--- a/docs/source/examples/animations.rst
+++ b/docs/source/examples/animations.rst
@@ -15,13 +15,100 @@ Updaters
 
     class Updater1Example(Scene):
         def construct(self):
-            curve_reference = Line(ORIGIN, LEFT).set_color(GREEN)
-            self.add(curve_reference)
+            def my_rotation_updater(mobj,dt):
+                mobj.rotate_about_origin(dt)
+            line_reference = Line(ORIGIN, LEFT).set_color(WHITE)
+            line_moving = Line(ORIGIN, LEFT).set_color(BLUE)
+            line_moving.add_updater(my_rotation_updater)
+            self.add(line_reference, line_moving)
+            self.wait(PI)
 
-            def update_curve(mob, dt):
-                mob.rotate_about_origin(dt)
+.. manim:: Updater2Example
+    :quality: medium
 
-            curve2 = Line(ORIGIN, LEFT)
-            curve2.add_updater(update_curve)
-            self.add(curve_reference, curve2)
-            self.wait(PI)
+    class Updater2Example(Scene):
+        def construct(self):
+            def updater_forth(mobj, dt):
+                mobj.rotate_about_origin(dt)
+            def updater_back(mobj, dt):
+                mobj.rotate_about_origin(-dt)
+            line_reference = Line(ORIGIN, LEFT).set_color(WHITE)
+            line_moving = Line(ORIGIN, LEFT).set_color(YELLOW)
+            line_moving.add_updater(updater_forth)
+            self.add(line_reference, line_moving)
+            self.wait(2)
+            line_moving.remove_updater(updater_forth)
+            line_moving.add_updater(updater_back)
+            self.wait(2)
+            line_moving.remove_updater(updater_back)
+            self.wait(0.5)
+
+.. manim:: Example3
+    :quality: medium
+
+    class Example3(Scene):
+        def construct(self):
+            number_line = NumberLine()  ##with all your parameters and stuff
+            pointer = Vector(DOWN)
+            label = MathTex("x").add_updater(lambda m: m.next_to(pointer, UP))
+
+            pointer_value = ValueTracker(0)
+            pointer.add_updater(
+                lambda m: m.next_to( number_line.n2p(pointer_value.get_value()), UP)
+            )
+            self.add(number_line, pointer, label)
+            self.play(pointer_value.set_value, 5)
+            self.wait()
+            self.play(pointer_value.set_value, 3)
+
+.. manim:: Example4
+    :quality: medium
+
+    class Example4(Scene):
+        def construct(self):
+            path = VMobject()
+            dot = Dot()
+            path.set_points_as_corners([dot.get_center(), dot.get_center()])
+            def update_path(path):
+                previus_path = path.copy()
+                previus_path.add_points_as_corners([dot.get_center()])
+                path.become(previus_path)
+            path.add_updater(update_path)
+            self.add(path, dot)
+            self.play(Rotating(dot, radians=PI, about_point=RIGHT, run_time=2))
+            self.wait()
+            self.play(dot.shift, UP)
+            self.play(dot.shift, LEFT)
+            self.wait()
+
+.. manim:: Example1ValTracker
+    :quality: medium
+
+    class Example1ValTracker(Scene):
+        def construct(self):
+            dot_disp = Dot().set_color(RED)
+            self.add(dot_disp)
+            tick_start = 1
+            tick_end = 2
+            val_tracker = ValueTracker(tick_start)
+            def dot_updater(mob):
+                mob.set_y(val_tracker.get_value())
+            dot_disp.add_updater(dot_updater)
+            self.play(val_tracker.set_value, tick_end, rate_func=linear)
+            self.wait()
+
+.. manim:: Example2ValTracker
+    :quality: medium
+
+    class Example2ValTracker(Scene):
+        def construct(self):
+            tick_start = 0
+            tick_end = 2 * PI
+            val_tracker = ValueTracker(tick_start)
+            def my_rotation_updater(mobj):
+                mobj.rotate_about_origin(1 / 30) # be careful: This is framerate dependent!
+            line_reference = Line(ORIGIN, LEFT).set_color(WHITE)
+            line_moving = Line(ORIGIN, LEFT).set_color(ORANGE)
+            line_moving.add_updater(my_rotation_updater)
+            self.add(line_reference, line_moving)
+            self.play(val_tracker.set_value, tick_end, run_time=PI)
\ No newline at end of file

From f207cba30336c6bc7ea87787feeb590c177c4870 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Mon, 21 Sep 2020 11:08:21 +0200
Subject: [PATCH 05/34] #added text examples

---
 docs/source/examples/text.rst | 121 ++++++++++++++++++++++++++++++++--
 1 file changed, 117 insertions(+), 4 deletions(-)

diff --git a/docs/source/examples/text.rst b/docs/source/examples/text.rst
index f9813a57c1..d0783bf3c0 100644
--- a/docs/source/examples/text.rst
+++ b/docs/source/examples/text.rst
@@ -1,12 +1,125 @@
 Text
 =================================
 
-.. manim:: Text1
+.. manim:: Example1Text
     :quality: medium
     :save_last_frame:
 
-    class Text1(Scene):
+    class Example1Text(Scene):
         def construct(self):
-            t = TextMobject("Hello World")
-            self.add(t)
+            text = Text('Hello world').scale(3)
+            self.add(text)
 
+.. manim:: Example2Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example2Text(Scene):
+        def construct(self):
+            text = Text('Hello world', color=BLUE).scale(3)
+            self.add(text)
+
+
+.. manim:: Example3Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example3Text(Scene):
+        def construct(self):
+            text = Text('Hello world', gradient=(BLUE, GREEN)).scale(3)
+            self.add(text)
+
+
+.. manim:: Example4Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example4Text(Scene):
+        def construct(self):
+            text = Text('Hello world', t2g={'world':(BLUE, GREEN)}).scale(3)
+            self.add(text)
+
+.. manim:: Example5Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example5Text(Scene):
+        def construct(self):
+            text = Text('Hello world', font='Source Han Sans').scale(3)
+            self.add(text)
+
+.. manim:: Example6Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example6Text(Scene):
+        def construct(self):
+            text = Text('Hello world', t2f={'world':'Forte'}).scale(3)
+            self.add(text)
+
+.. manim:: Example6Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example6Text(Scene):
+        def construct(self):
+            text = Text('Hello world', slant=ITALIC).scale(3)
+            self.add(text)
+
+.. manim:: Example7Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example7Text(Scene):
+        def construct(self):
+            text = Text('Hello world!', t2s={'world':ITALIC}).scale(3)
+            self.add(text)
+
+.. manim:: Example8Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example8Text(Scene):
+        def construct(self):
+            text = Text('Hello world', weight=BOLD).scale(3)
+            self.add(text)
+
+.. manim:: Example9Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example9Text(Scene):
+        def construct(self):
+            text = Text('Hello world', t2w={'world':BOLD}).scale(3)
+            self.add(text)
+
+.. manim:: Example10Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example10Text(Scene):
+        def construct(self):
+            text = Text('Hello', size=0.3).scale(3)
+            self.add(text)
+
+.. manim:: Example11Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example11Text(Scene):
+        def construct(self):
+            text = Text('Hello\nWorld', lsh=1.5).scale(3)
+            self.add(text)
+
+.. manim:: Example12Text
+    :quality: medium
+    :save_last_frame:
+
+    class Example12Text(Scene):
+        def construct(self):
+            text = Text(
+                'Google',
+                t2c={'[:1]':'#3174f0', '[1:2]':'#e53125',
+                     '[2:3]':'#fbb003', '[3:4]':'#3174f0',
+                     '[4:5]':'#269a43', '[5:]':'#e53125', }).scale(3)
+            self.add(text)
\ No newline at end of file

From ff6ef7b923a3e637f12e6f6b6de69455d3adbef2 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Mon, 21 Sep 2020 11:33:12 +0200
Subject: [PATCH 06/34] #renamed example

---
 docs/source/examples/text.rst | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/docs/source/examples/text.rst b/docs/source/examples/text.rst
index d0783bf3c0..8141818b6b 100644
--- a/docs/source/examples/text.rst
+++ b/docs/source/examples/text.rst
@@ -48,11 +48,11 @@ Text
             text = Text('Hello world', font='Source Han Sans').scale(3)
             self.add(text)
 
-.. manim:: Example6Text
+.. manim:: Example5bText
     :quality: medium
     :save_last_frame:
 
-    class Example6Text(Scene):
+    class Example5bText(Scene):
         def construct(self):
             text = Text('Hello world', t2f={'world':'Forte'}).scale(3)
             self.add(text)
@@ -122,4 +122,8 @@ Text
                 t2c={'[:1]':'#3174f0', '[1:2]':'#e53125',
                      '[2:3]':'#fbb003', '[3:4]':'#3174f0',
                      '[4:5]':'#269a43', '[5:]':'#e53125', }).scale(3)
-            self.add(text)
\ No newline at end of file
+            self.add(text)
+
+`Text` works also with other languages like `你好` `こんにちは` `안녕하세요`
+Be sure you have the font that supports those languages!
+

From 2e0df5093aabaaae8a0fc4ec7269092b4fc9b6d4 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Mon, 21 Sep 2020 12:03:27 +0200
Subject: [PATCH 07/34] #added 3d example with other light source

---
 docs/source/examples/3d.rst | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/docs/source/examples/3d.rst b/docs/source/examples/3d.rst
index e6614c576a..2c12df71e8 100644
--- a/docs/source/examples/3d.rst
+++ b/docs/source/examples/3d.rst
@@ -19,3 +19,21 @@
             self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
             self.add(axes, sphere)
 
+.. manim:: Example3DNo2
+    :quality: medium
+    :save_last_frame:
+
+    class Example3DNo2(ThreeDScene):
+        def construct(self):
+            axes = ThreeDAxes()
+            sphere = ParametricSurface(
+                lambda u, v: np.array([
+                    1.5 * np.cos(u) * np.cos(v),
+                    1.5 * np.cos(u) * np.sin(v),
+                    1.5 * np.sin(u)
+                ]), v_min=0, v_max=TAU, u_min=-PI / 2, u_max=PI / 2,
+                checkerboard_colors=[RED_D, RED_E], resolution=(15, 32)
+            )
+            self.camera.light_source.move_to(3*IN)
+            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.add(axes, sphere)
\ No newline at end of file

From 494e57c08c84cde1accc2745f5fd016cd0905df3 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Mon, 21 Sep 2020 12:20:12 +0200
Subject: [PATCH 08/34] #added imagemobject examples

---
 docs/source/examples/shapes.rst | 30 +++++++++++++++++++++++++++++-
 docs/source/examples/text.rst   |  2 +-
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/docs/source/examples/shapes.rst b/docs/source/examples/shapes.rst
index 88888e1077..f0508c4b6c 100644
--- a/docs/source/examples/shapes.rst
+++ b/docs/source/examples/shapes.rst
@@ -1,7 +1,7 @@
 Shapes
 =================================
 
-.. manim:: Shape1
+.. manim:: Example1Shape
     :quality: medium
     :save_last_frame:
 
@@ -16,3 +16,31 @@ Shapes
             t.next_to(c, DOWN)
             self.add(d, c, s, t)
             self.wait(1)
+
+.. manim:: Example1ImageFromArray
+    :quality: medium
+    :save_last_frame:
+
+    class Example1ImageFromArray(Scene):
+        def construct(self):
+            image = ImageMobject(np.uint8([[0, 100, 30, 200],
+                                           [255, 0, 5, 33]]))
+            image.set_height(7)
+            self.add(image)
+
+.. manim:: Example1ImageFromArray
+    :quality: medium
+    :save_last_frame:
+
+    class Example2ImageFromFile(Scene):
+        def construct(self):
+            # these four lines, when you want to import an image from the web
+            import requests
+            from PIL import Image
+            img = Image.open(requests.get("https://raw.githubusercontent.com/ManimCommunity/manim/master/logo/cropped.png",
+                                          stream=True).raw)
+            img_mobject = ImageMobject(img)
+            # this line, when you want to import your Image on your machine
+            # img_mobject = ImageMobject("<your image address>")
+            img_mobject.scale(3)
+            self.add(img_mobject)
\ No newline at end of file
diff --git a/docs/source/examples/text.rst b/docs/source/examples/text.rst
index 8141818b6b..20d5322d01 100644
--- a/docs/source/examples/text.rst
+++ b/docs/source/examples/text.rst
@@ -124,6 +124,6 @@ Text
                      '[4:5]':'#269a43', '[5:]':'#e53125', }).scale(3)
             self.add(text)
 
-`Text` works also with other languages like `你好` `こんにちは` `안녕하세요`
+`Text` works also with other languages like `你好` or  `こんにちは` or `안녕하세요` or `مرحبا بالعالم`.
 Be sure you have the font that supports those languages!
 

From b9325040774e1cdeafe4c4d4601d0a09809061af Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Mon, 21 Sep 2020 12:35:27 +0200
Subject: [PATCH 09/34] # added one line of code

---
 docs/source/examples/shapes.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/source/examples/shapes.rst b/docs/source/examples/shapes.rst
index f0508c4b6c..087dbea1dd 100644
--- a/docs/source/examples/shapes.rst
+++ b/docs/source/examples/shapes.rst
@@ -5,7 +5,7 @@ Shapes
     :quality: medium
     :save_last_frame:
 
-    class Shape1(Scene):
+    class Example1Shape(Scene):
         def construct(self):
             d = Dot()
             c = Circle()

From 29c1539c5e3eda366a9459e28395547b20165275 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Mon, 21 Sep 2020 13:07:57 +0200
Subject: [PATCH 10/34] # small fix

---
 docs/source/examples/shapes.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/source/examples/shapes.rst b/docs/source/examples/shapes.rst
index 087dbea1dd..9ac281f319 100644
--- a/docs/source/examples/shapes.rst
+++ b/docs/source/examples/shapes.rst
@@ -28,7 +28,7 @@ Shapes
             image.set_height(7)
             self.add(image)
 
-.. manim:: Example1ImageFromArray
+.. manim:: Example2ImageFromFile
     :quality: medium
     :save_last_frame:
 

From 436ea3ccdb1b70aa7251a0eb795bc0f00dc502d6 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Thu, 24 Sep 2020 11:32:55 +0200
Subject: [PATCH 11/34] # added 3d examples

---
 docs/source/examples/3d.rst | 46 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

diff --git a/docs/source/examples/3d.rst b/docs/source/examples/3d.rst
index 2c12df71e8..f0f77d8fb7 100644
--- a/docs/source/examples/3d.rst
+++ b/docs/source/examples/3d.rst
@@ -36,4 +36,48 @@
             )
             self.camera.light_source.move_to(3*IN)
             self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
-            self.add(axes, sphere)
\ No newline at end of file
+            self.add(axes, sphere)
+
+.. manim:: Example3DNo3
+    :quality: medium
+
+    class Example3DNo3(ThreeDScene):
+        def construct(self):
+            axes = ThreeDAxes()
+            circle=Circle()
+            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.add(circle,axes)
+            self.begin_ambient_camera_rotation(rate=0.1)
+            self.wait(3)
+            self.stop_ambient_camera_rotation()
+            self.move_camera(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.wait()
+
+.. manim:: Example3DNo4
+    :quality: medium
+
+    class Example3DNo4(ThreeDScene):
+        def construct(self):
+            axes = ThreeDAxes()
+            circle=Circle()
+            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.add(circle,axes)
+            self.begin_3dillusion_camera_rotation(rate=2)
+            self.wait(PI)
+            self.stop_3dillusion_camera_rotation()
+
+.. manim:: ParametricCurve1
+    :quality: medium
+
+    class ParametricCurve1(ThreeDScene):
+        def construct(self):
+            curve1 = ParametricFunction(
+                lambda u: np.array([
+                    1.2 * np.cos(u),
+                    1.2 * np.sin(u),
+                    u * 0.05
+                ]), color=RED, t_min=-3 * TAU, t_max=5 * TAU,
+            ).set_shade_in_3d(True)
+            axes = ThreeDAxes()
+            self.add(axes, curve1)
+            self.set_camera_orientation(phi=80 * DEGREES, theta=-60 * DEGREES)

From 2e32d9656553b386272d7e181d24ec9433652ecd Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Thu, 24 Sep 2020 11:42:57 +0200
Subject: [PATCH 12/34] # added one advanced project

---
 docs/source/examples/advanced_projects.rst | 89 +++++++++++++++++++++-
 1 file changed, 88 insertions(+), 1 deletion(-)

diff --git a/docs/source/examples/advanced_projects.rst b/docs/source/examples/advanced_projects.rst
index 1e59381970..d3934d2bea 100644
--- a/docs/source/examples/advanced_projects.rst
+++ b/docs/source/examples/advanced_projects.rst
@@ -1,4 +1,91 @@
 Advanced Projects
 =================================
 
-This page is currently under construction. It will feature a selection of advanced projects built with manim.
+.. manim:: ExampleSineCurve
+    :quality: medium
+
+    class ExampleSineCurve(Scene):
+        def construct(self):
+            self.show_axis()
+            self.show_circle()
+            self.move_dot_and_draw_curve()
+            self.wait()
+
+        def show_axis(self):
+            x_start = np.array([-6,0,0])
+            x_end = np.array([6,0,0])
+
+            y_start = np.array([-4,-2,0])
+            y_end = np.array([-4,2,0])
+
+            x_axis = Line(x_start, x_end)
+            y_axis = Line(y_start, y_end)
+
+            self.add(x_axis, y_axis)
+            self.add_x_labels()
+
+            self.orgin_point = np.array([-4,0,0])
+            self.curve_start = np.array([-3,0,0])
+
+        def add_x_labels(self):
+            x_labels = [
+                TexMobject("\pi"), TexMobject("2 \pi"),
+                TexMobject("3 \pi"), TexMobject("4 \pi"),
+            ]
+
+            for i in range(len(x_labels)):
+                x_labels[i].next_to(np.array([-1+2*i,0,0]), DOWN )
+                self.add(x_labels[i])
+
+        def show_circle(self):
+            circle = Circle(radius=1)
+            circle.move_to(self.orgin_point)
+
+            self.add(circle)
+            self.circle = circle
+
+        def move_dot_and_draw_curve(self):
+            orbit = self.circle
+            orgin_point = self.orgin_point
+
+            dot = Dot(radius=0.08, color=YELLOW)
+            dot.move_to(orbit.point_from_proportion(0))
+            self.t_offset = 0
+            rate = 0.25
+
+            def go_around_circle(mob, dt):
+                self.t_offset += (dt * rate)
+                # print(self.t_offset)
+                mob.move_to(orbit.point_from_proportion(self.t_offset % 1))
+
+            def get_line_to_circle():
+                return Line(orgin_point, dot.get_center(), color=BLUE)
+
+            def get_line_to_curve():
+                x = self.curve_start[0] + self.t_offset * 4
+                y = dot.get_center()[1]
+                return Line(dot.get_center(), np.array([x,y,0]), color=YELLOW_A, stroke_width=2 )
+
+
+            self.curve = VGroup()
+            self.curve.add(Line(self.curve_start,self.curve_start))
+            def get_curve():
+                last_line = self.curve[-1]
+                x = self.curve_start[0] + self.t_offset * 4
+                y = dot.get_center()[1]
+                new_line = Line(last_line.get_end(),np.array([x,y,0]), color=YELLOW_D)
+                self.curve.add(new_line)
+
+                return self.curve
+
+            dot.add_updater(go_around_circle)
+
+            origin_to_circle_line = always_redraw(get_line_to_circle)
+            dot_to_curve_line = always_redraw(get_line_to_curve)
+            sine_curve_line = always_redraw(get_curve)
+
+            self.add(dot)
+            self.add(orbit, origin_to_circle_line, dot_to_curve_line, sine_curve_line)
+            self.wait(8.5)
+
+            dot.remove_updater(go_around_circle)

From 58b4233656c6fb9f47cf6531c4e8709d2dd627d4 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Thu, 24 Sep 2020 11:46:11 +0200
Subject: [PATCH 13/34] fixed error

---
 docs/source/examples/3d.rst | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/docs/source/examples/3d.rst b/docs/source/examples/3d.rst
index f0f77d8fb7..69771797e4 100644
--- a/docs/source/examples/3d.rst
+++ b/docs/source/examples/3d.rst
@@ -66,10 +66,11 @@
             self.wait(PI)
             self.stop_3dillusion_camera_rotation()
 
-.. manim:: ParametricCurve1
+.. manim:: Example3DNo5
     :quality: medium
+    :save_last_frame:
 
-    class ParametricCurve1(ThreeDScene):
+    class Example3DNo5(ThreeDScene):
         def construct(self):
             curve1 = ParametricFunction(
                 lambda u: np.array([
@@ -81,3 +82,5 @@
             axes = ThreeDAxes()
             self.add(axes, curve1)
             self.set_camera_orientation(phi=80 * DEGREES, theta=-60 * DEGREES)
+            self.wait()
+

From ee0c1c3b19d77bd2621b6ca760391b25af7e64d4 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Thu, 24 Sep 2020 12:06:53 +0200
Subject: [PATCH 14/34] small changes

---
 docs/source/examples/3d.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/docs/source/examples/3d.rst b/docs/source/examples/3d.rst
index 69771797e4..1ee313617e 100644
--- a/docs/source/examples/3d.rst
+++ b/docs/source/examples/3d.rst
@@ -19,6 +19,8 @@
             self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
             self.add(axes, sphere)
 
+
+
 .. manim:: Example3DNo2
     :quality: medium
     :save_last_frame:
@@ -38,6 +40,8 @@
             self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
             self.add(axes, sphere)
 
+and one more example:
+
 .. manim:: Example3DNo3
     :quality: medium
 
@@ -53,6 +57,8 @@
             self.move_camera(phi=75 * DEGREES, theta=30 * DEGREES)
             self.wait()
 
+and further:
+
 .. manim:: Example3DNo4
     :quality: medium
 

From 3e8145e22f1935fd99ff117ce31472e9ba3fdde7 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Thu, 24 Sep 2020 12:20:22 +0200
Subject: [PATCH 15/34] 3d render

---
 docs/source/examples/3d.rst | 28 +++++++++++++++-------------
 1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/docs/source/examples/3d.rst b/docs/source/examples/3d.rst
index 1ee313617e..c65a36fd4c 100644
--- a/docs/source/examples/3d.rst
+++ b/docs/source/examples/3d.rst
@@ -1,6 +1,8 @@
 3D Scenes
 =================================
 
+Hello World
+
 .. manim:: Example3DNo1
     :quality: medium
     :save_last_frame:
@@ -19,7 +21,20 @@
             self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
             self.add(axes, sphere)
 
+.. manim:: Example3DNo3
+    :quality: medium
 
+    class Example3DNo3(ThreeDScene):
+        def construct(self):
+            axes = ThreeDAxes()
+            circle=Circle()
+            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.add(circle,axes)
+            self.begin_ambient_camera_rotation(rate=0.1)
+            self.wait(3)
+            self.stop_ambient_camera_rotation()
+            self.move_camera(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.wait()
 
 .. manim:: Example3DNo2
     :quality: medium
@@ -42,20 +57,7 @@
 
 and one more example:
 
-.. manim:: Example3DNo3
-    :quality: medium
 
-    class Example3DNo3(ThreeDScene):
-        def construct(self):
-            axes = ThreeDAxes()
-            circle=Circle()
-            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
-            self.add(circle,axes)
-            self.begin_ambient_camera_rotation(rate=0.1)
-            self.wait(3)
-            self.stop_ambient_camera_rotation()
-            self.move_camera(phi=75 * DEGREES, theta=30 * DEGREES)
-            self.wait()
 
 and further:
 

From 0ce2ba179b8a36bb48a113c7f4e9feba271c2185 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Thu, 24 Sep 2020 12:33:55 +0200
Subject: [PATCH 16/34] another idea with the file 3d_fix.rst

---
 docs/source/examples.rst        |  1 +
 docs/source/examples/3d_fix.rst | 94 +++++++++++++++++++++++++++++++++
 2 files changed, 95 insertions(+)
 create mode 100644 docs/source/examples/3d_fix.rst

diff --git a/docs/source/examples.rst b/docs/source/examples.rst
index 7aa8dc1d30..4c38c41e77 100644
--- a/docs/source/examples.rst
+++ b/docs/source/examples.rst
@@ -9,6 +9,7 @@ Examples
    examples/text
    examples/formulas
    examples/3d
+   examples/3d_fix
    examples/camera_settings
    examples/animations
    examples/neat_projects
diff --git a/docs/source/examples/3d_fix.rst b/docs/source/examples/3d_fix.rst
new file mode 100644
index 0000000000..c65a36fd4c
--- /dev/null
+++ b/docs/source/examples/3d_fix.rst
@@ -0,0 +1,94 @@
+3D Scenes
+=================================
+
+Hello World
+
+.. manim:: Example3DNo1
+    :quality: medium
+    :save_last_frame:
+
+    class Example3DNo1(ThreeDScene):
+        def construct(self):
+            axes = ThreeDAxes()
+            sphere = ParametricSurface(
+                lambda u, v: np.array([
+                    1.5 * np.cos(u) * np.cos(v),
+                    1.5 * np.cos(u) * np.sin(v),
+                    1.5 * np.sin(u)
+                ]), v_min=0, v_max=TAU, u_min=-PI / 2, u_max=PI / 2,
+                checkerboard_colors=[RED_D, RED_E], resolution=(15, 32)
+            )
+            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.add(axes, sphere)
+
+.. manim:: Example3DNo3
+    :quality: medium
+
+    class Example3DNo3(ThreeDScene):
+        def construct(self):
+            axes = ThreeDAxes()
+            circle=Circle()
+            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.add(circle,axes)
+            self.begin_ambient_camera_rotation(rate=0.1)
+            self.wait(3)
+            self.stop_ambient_camera_rotation()
+            self.move_camera(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.wait()
+
+.. manim:: Example3DNo2
+    :quality: medium
+    :save_last_frame:
+
+    class Example3DNo2(ThreeDScene):
+        def construct(self):
+            axes = ThreeDAxes()
+            sphere = ParametricSurface(
+                lambda u, v: np.array([
+                    1.5 * np.cos(u) * np.cos(v),
+                    1.5 * np.cos(u) * np.sin(v),
+                    1.5 * np.sin(u)
+                ]), v_min=0, v_max=TAU, u_min=-PI / 2, u_max=PI / 2,
+                checkerboard_colors=[RED_D, RED_E], resolution=(15, 32)
+            )
+            self.camera.light_source.move_to(3*IN)
+            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.add(axes, sphere)
+
+and one more example:
+
+
+
+and further:
+
+.. manim:: Example3DNo4
+    :quality: medium
+
+    class Example3DNo4(ThreeDScene):
+        def construct(self):
+            axes = ThreeDAxes()
+            circle=Circle()
+            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.add(circle,axes)
+            self.begin_3dillusion_camera_rotation(rate=2)
+            self.wait(PI)
+            self.stop_3dillusion_camera_rotation()
+
+.. manim:: Example3DNo5
+    :quality: medium
+    :save_last_frame:
+
+    class Example3DNo5(ThreeDScene):
+        def construct(self):
+            curve1 = ParametricFunction(
+                lambda u: np.array([
+                    1.2 * np.cos(u),
+                    1.2 * np.sin(u),
+                    u * 0.05
+                ]), color=RED, t_min=-3 * TAU, t_max=5 * TAU,
+            ).set_shade_in_3d(True)
+            axes = ThreeDAxes()
+            self.add(axes, curve1)
+            self.set_camera_orientation(phi=80 * DEGREES, theta=-60 * DEGREES)
+            self.wait()
+

From 38fa13d13d95c900874b7a8167c4c296bfacc22e Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Thu, 24 Sep 2020 13:32:27 +0200
Subject: [PATCH 17/34] # one more change

---
 docs/source/examples/3d.rst     | 34 +++++-------
 docs/source/examples/3d_fix.rst | 94 ---------------------------------
 2 files changed, 13 insertions(+), 115 deletions(-)
 delete mode 100644 docs/source/examples/3d_fix.rst

diff --git a/docs/source/examples/3d.rst b/docs/source/examples/3d.rst
index c65a36fd4c..69771797e4 100644
--- a/docs/source/examples/3d.rst
+++ b/docs/source/examples/3d.rst
@@ -1,8 +1,6 @@
 3D Scenes
 =================================
 
-Hello World
-
 .. manim:: Example3DNo1
     :quality: medium
     :save_last_frame:
@@ -21,21 +19,6 @@ Hello World
             self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
             self.add(axes, sphere)
 
-.. manim:: Example3DNo3
-    :quality: medium
-
-    class Example3DNo3(ThreeDScene):
-        def construct(self):
-            axes = ThreeDAxes()
-            circle=Circle()
-            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
-            self.add(circle,axes)
-            self.begin_ambient_camera_rotation(rate=0.1)
-            self.wait(3)
-            self.stop_ambient_camera_rotation()
-            self.move_camera(phi=75 * DEGREES, theta=30 * DEGREES)
-            self.wait()
-
 .. manim:: Example3DNo2
     :quality: medium
     :save_last_frame:
@@ -55,11 +38,20 @@ Hello World
             self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
             self.add(axes, sphere)
 
-and one more example:
-
-
+.. manim:: Example3DNo3
+    :quality: medium
 
-and further:
+    class Example3DNo3(ThreeDScene):
+        def construct(self):
+            axes = ThreeDAxes()
+            circle=Circle()
+            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.add(circle,axes)
+            self.begin_ambient_camera_rotation(rate=0.1)
+            self.wait(3)
+            self.stop_ambient_camera_rotation()
+            self.move_camera(phi=75 * DEGREES, theta=30 * DEGREES)
+            self.wait()
 
 .. manim:: Example3DNo4
     :quality: medium
diff --git a/docs/source/examples/3d_fix.rst b/docs/source/examples/3d_fix.rst
deleted file mode 100644
index c65a36fd4c..0000000000
--- a/docs/source/examples/3d_fix.rst
+++ /dev/null
@@ -1,94 +0,0 @@
-3D Scenes
-=================================
-
-Hello World
-
-.. manim:: Example3DNo1
-    :quality: medium
-    :save_last_frame:
-
-    class Example3DNo1(ThreeDScene):
-        def construct(self):
-            axes = ThreeDAxes()
-            sphere = ParametricSurface(
-                lambda u, v: np.array([
-                    1.5 * np.cos(u) * np.cos(v),
-                    1.5 * np.cos(u) * np.sin(v),
-                    1.5 * np.sin(u)
-                ]), v_min=0, v_max=TAU, u_min=-PI / 2, u_max=PI / 2,
-                checkerboard_colors=[RED_D, RED_E], resolution=(15, 32)
-            )
-            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
-            self.add(axes, sphere)
-
-.. manim:: Example3DNo3
-    :quality: medium
-
-    class Example3DNo3(ThreeDScene):
-        def construct(self):
-            axes = ThreeDAxes()
-            circle=Circle()
-            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
-            self.add(circle,axes)
-            self.begin_ambient_camera_rotation(rate=0.1)
-            self.wait(3)
-            self.stop_ambient_camera_rotation()
-            self.move_camera(phi=75 * DEGREES, theta=30 * DEGREES)
-            self.wait()
-
-.. manim:: Example3DNo2
-    :quality: medium
-    :save_last_frame:
-
-    class Example3DNo2(ThreeDScene):
-        def construct(self):
-            axes = ThreeDAxes()
-            sphere = ParametricSurface(
-                lambda u, v: np.array([
-                    1.5 * np.cos(u) * np.cos(v),
-                    1.5 * np.cos(u) * np.sin(v),
-                    1.5 * np.sin(u)
-                ]), v_min=0, v_max=TAU, u_min=-PI / 2, u_max=PI / 2,
-                checkerboard_colors=[RED_D, RED_E], resolution=(15, 32)
-            )
-            self.camera.light_source.move_to(3*IN)
-            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
-            self.add(axes, sphere)
-
-and one more example:
-
-
-
-and further:
-
-.. manim:: Example3DNo4
-    :quality: medium
-
-    class Example3DNo4(ThreeDScene):
-        def construct(self):
-            axes = ThreeDAxes()
-            circle=Circle()
-            self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
-            self.add(circle,axes)
-            self.begin_3dillusion_camera_rotation(rate=2)
-            self.wait(PI)
-            self.stop_3dillusion_camera_rotation()
-
-.. manim:: Example3DNo5
-    :quality: medium
-    :save_last_frame:
-
-    class Example3DNo5(ThreeDScene):
-        def construct(self):
-            curve1 = ParametricFunction(
-                lambda u: np.array([
-                    1.2 * np.cos(u),
-                    1.2 * np.sin(u),
-                    u * 0.05
-                ]), color=RED, t_min=-3 * TAU, t_max=5 * TAU,
-            ).set_shade_in_3d(True)
-            axes = ThreeDAxes()
-            self.add(axes, curve1)
-            self.set_camera_orientation(phi=80 * DEGREES, theta=-60 * DEGREES)
-            self.wait()
-

From 2978804bdf0f167bf93c7f97371b56e9079e2260 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Thu, 24 Sep 2020 13:41:16 +0200
Subject: [PATCH 18/34] some more formula examples

---
 docs/source/examples/formulas.rst | 49 +++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/docs/source/examples/formulas.rst b/docs/source/examples/formulas.rst
index be99a83fd9..740c9ce66e 100644
--- a/docs/source/examples/formulas.rst
+++ b/docs/source/examples/formulas.rst
@@ -10,3 +10,52 @@ Formulas
             t = MathTex(r"\int_a^b f'(x) dx = f(b)- f(a)")
             self.add(t)
             self.wait(1)
+
+
+.. manim:: MoveFrameBox
+    :quality: medium
+
+    class MoveFrameBox(Scene):
+        def construct(self):
+            text=TexMobject(
+                "\\frac{d}{dx}f(x)g(x)=","f(x)\\frac{d}{dx}g(x)","+",
+                "g(x)\\frac{d}{dx}f(x)"
+            )
+            self.play(Write(text))
+            framebox1 = SurroundingRectangle(text[1], buff = .1)
+            framebox2 = SurroundingRectangle(text[3], buff = .1)
+            self.play(
+                ShowCreation(framebox1),
+            )
+            self.wait()
+            self.play(
+                ReplacementTransform(framebox1,framebox2),
+            )
+            self.wait()
+
+.. manim:: MoveBraces
+    :quality: medium
+
+    class MoveBraces(Scene):
+    def construct(self):
+        text=TexMobject(
+            "\\frac{d}{dx}f(x)g(x)=",       #0
+            "f(x)\\frac{d}{dx}g(x)",        #1
+            "+",                            #2
+            "g(x)\\frac{d}{dx}f(x)"         #3
+        )
+        self.play(Write(text))
+        brace1 = Brace(text[1], UP, buff = SMALL_BUFF)
+        brace2 = Brace(text[3], UP, buff = SMALL_BUFF)
+        t1 = brace1.get_text("$g'f$")
+        t2 = brace2.get_text("$f'g$")
+        self.play(
+            GrowFromCenter(brace1),
+            FadeIn(t1),
+            )
+        self.wait()
+        self.play(
+        	ReplacementTransform(brace1,brace2),
+        	ReplacementTransform(t1,t2)
+        	)
+        self.wait()

From 9305baf54e57bcd7b4791e30846baeb4b8fa6c79 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Thu, 24 Sep 2020 13:55:07 +0200
Subject: [PATCH 19/34] fix indent

---
 docs/source/examples/formulas.rst | 42 +++++++++++++++----------------
 1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/docs/source/examples/formulas.rst b/docs/source/examples/formulas.rst
index 740c9ce66e..ffccf9cbfd 100644
--- a/docs/source/examples/formulas.rst
+++ b/docs/source/examples/formulas.rst
@@ -37,25 +37,25 @@ Formulas
     :quality: medium
 
     class MoveBraces(Scene):
-    def construct(self):
-        text=TexMobject(
-            "\\frac{d}{dx}f(x)g(x)=",       #0
-            "f(x)\\frac{d}{dx}g(x)",        #1
-            "+",                            #2
-            "g(x)\\frac{d}{dx}f(x)"         #3
-        )
-        self.play(Write(text))
-        brace1 = Brace(text[1], UP, buff = SMALL_BUFF)
-        brace2 = Brace(text[3], UP, buff = SMALL_BUFF)
-        t1 = brace1.get_text("$g'f$")
-        t2 = brace2.get_text("$f'g$")
-        self.play(
-            GrowFromCenter(brace1),
-            FadeIn(t1),
+        def construct(self):
+            text=TexMobject(
+                "\\frac{d}{dx}f(x)g(x)=",       #0
+                "f(x)\\frac{d}{dx}g(x)",        #1
+                "+",                            #2
+                "g(x)\\frac{d}{dx}f(x)"         #3
             )
-        self.wait()
-        self.play(
-        	ReplacementTransform(brace1,brace2),
-        	ReplacementTransform(t1,t2)
-        	)
-        self.wait()
+            self.play(Write(text))
+            brace1 = Brace(text[1], UP, buff = SMALL_BUFF)
+            brace2 = Brace(text[3], UP, buff = SMALL_BUFF)
+            t1 = brace1.get_text("$g'f$")
+            t2 = brace2.get_text("$f'g$")
+            self.play(
+                GrowFromCenter(brace1),
+                FadeIn(t1),
+                )
+            self.wait()
+            self.play(
+                ReplacementTransform(brace1,brace2),
+                ReplacementTransform(t1,t2)
+                )
+            self.wait()

From f5aa9a0f839ac17a3477e5a58e9ad5a82b2ded40 Mon Sep 17 00:00:00 2001
From: Benjamin Hackl <devel@benjamin-hackl.at>
Date: Sun, 27 Sep 2020 23:42:10 +0200
Subject: [PATCH 20/34] remove reference to examples/3d_fix

---
 docs/source/examples.rst | 1 -
 1 file changed, 1 deletion(-)

diff --git a/docs/source/examples.rst b/docs/source/examples.rst
index 4c38c41e77..7aa8dc1d30 100644
--- a/docs/source/examples.rst
+++ b/docs/source/examples.rst
@@ -9,7 +9,6 @@ Examples
    examples/text
    examples/formulas
    examples/3d
-   examples/3d_fix
    examples/camera_settings
    examples/animations
    examples/neat_projects

From 0673f1d873bdc01b7b192ab6068bf2a5332c5ee7 Mon Sep 17 00:00:00 2001
From: Benjamin Hackl <devel@benjamin-hackl.at>
Date: Sun, 27 Sep 2020 23:44:47 +0200
Subject: [PATCH 21/34] change default resolution for videos in doc to 480p30

---
 docs/source/examples/3d.rst                |  5 -----
 docs/source/examples/advanced_projects.rst |  1 -
 docs/source/examples/animations.rst        |  6 ------
 docs/source/examples/annotations.rst       |  1 -
 docs/source/examples/camera_settings.rst   | 10 ----------
 docs/source/examples/formulas.rst          |  3 ---
 docs/source/examples/plots.rst             |  9 ---------
 docs/source/examples/shapes.rst            |  3 ---
 docs/source/examples/text.rst              | 13 -------------
 docs/source/manim_directive.py             |  6 +++---
 docs/source/tutorials/building_blocks.rst  |  8 --------
 docs/source/tutorials/quickstart.rst       |  2 --
 manim/mobject/changing.py                  |  2 --
 manim/mobject/geometry.py                  |  1 -
 manim/mobject/value_tracker.py             |  1 -
 15 files changed, 3 insertions(+), 68 deletions(-)

diff --git a/docs/source/examples/3d.rst b/docs/source/examples/3d.rst
index 69771797e4..f43de3057d 100644
--- a/docs/source/examples/3d.rst
+++ b/docs/source/examples/3d.rst
@@ -2,7 +2,6 @@
 =================================
 
 .. manim:: Example3DNo1
-    :quality: medium
     :save_last_frame:
 
     class Example3DNo1(ThreeDScene):
@@ -20,7 +19,6 @@
             self.add(axes, sphere)
 
 .. manim:: Example3DNo2
-    :quality: medium
     :save_last_frame:
 
     class Example3DNo2(ThreeDScene):
@@ -39,7 +37,6 @@
             self.add(axes, sphere)
 
 .. manim:: Example3DNo3
-    :quality: medium
 
     class Example3DNo3(ThreeDScene):
         def construct(self):
@@ -54,7 +51,6 @@
             self.wait()
 
 .. manim:: Example3DNo4
-    :quality: medium
 
     class Example3DNo4(ThreeDScene):
         def construct(self):
@@ -67,7 +63,6 @@
             self.stop_3dillusion_camera_rotation()
 
 .. manim:: Example3DNo5
-    :quality: medium
     :save_last_frame:
 
     class Example3DNo5(ThreeDScene):
diff --git a/docs/source/examples/advanced_projects.rst b/docs/source/examples/advanced_projects.rst
index d3934d2bea..51d4cbce9d 100644
--- a/docs/source/examples/advanced_projects.rst
+++ b/docs/source/examples/advanced_projects.rst
@@ -2,7 +2,6 @@ Advanced Projects
 =================================
 
 .. manim:: ExampleSineCurve
-    :quality: medium
 
     class ExampleSineCurve(Scene):
         def construct(self):
diff --git a/docs/source/examples/animations.rst b/docs/source/examples/animations.rst
index 40f7c91615..33eab8e9ca 100644
--- a/docs/source/examples/animations.rst
+++ b/docs/source/examples/animations.rst
@@ -11,7 +11,6 @@ Updaters
 ##########
 
 .. manim:: Updater1Example
-    :quality: medium
 
     class Updater1Example(Scene):
         def construct(self):
@@ -24,7 +23,6 @@ Updaters
             self.wait(PI)
 
 .. manim:: Updater2Example
-    :quality: medium
 
     class Updater2Example(Scene):
         def construct(self):
@@ -44,7 +42,6 @@ Updaters
             self.wait(0.5)
 
 .. manim:: Example3
-    :quality: medium
 
     class Example3(Scene):
         def construct(self):
@@ -62,7 +59,6 @@ Updaters
             self.play(pointer_value.set_value, 3)
 
 .. manim:: Example4
-    :quality: medium
 
     class Example4(Scene):
         def construct(self):
@@ -82,7 +78,6 @@ Updaters
             self.wait()
 
 .. manim:: Example1ValTracker
-    :quality: medium
 
     class Example1ValTracker(Scene):
         def construct(self):
@@ -98,7 +93,6 @@ Updaters
             self.wait()
 
 .. manim:: Example2ValTracker
-    :quality: medium
 
     class Example2ValTracker(Scene):
         def construct(self):
diff --git a/docs/source/examples/annotations.rst b/docs/source/examples/annotations.rst
index d325eedc24..1d1783386f 100644
--- a/docs/source/examples/annotations.rst
+++ b/docs/source/examples/annotations.rst
@@ -2,7 +2,6 @@ Annotations
 =================================
 
 .. manim:: AnnotateBrace
-    :quality: medium
     :save_last_frame:
 
     class AnnotateBrace(Scene):
diff --git a/docs/source/examples/camera_settings.rst b/docs/source/examples/camera_settings.rst
index 3193dbc81e..ac8e5dcc34 100644
--- a/docs/source/examples/camera_settings.rst
+++ b/docs/source/examples/camera_settings.rst
@@ -2,7 +2,6 @@ Camera Settings
 =================================
 
 .. manim:: Example1
-    :quality: medium
 
     class Example1(MovingCameraScene):
         def construct(self):
@@ -12,7 +11,6 @@ Camera Settings
             self.wait()
 
 .. manim:: Example2a
-    :quality: medium
 
     class Example2a(MovingCameraScene):
         def construct(self):
@@ -24,7 +22,6 @@ Camera Settings
             self.play(Restore(self.camera_frame))
 
 .. manim:: Example2b
-    :quality: medium
 
     class Example2b(MovingCameraScene):
         def construct(self):
@@ -36,7 +33,6 @@ Camera Settings
 
 
 .. manim:: Example3
-    :quality: medium
 
     class Example3(MovingCameraScene):
         def construct(self):
@@ -48,7 +44,6 @@ Camera Settings
             self.play(self.camera_frame.move_to, t)
 
 .. manim:: Example4
-    :quality: medium
 
     class Example4(MovingCameraScene):
         def construct(self):
@@ -65,7 +60,6 @@ Camera Settings
                       self.camera_frame.set_width,14)
 
 .. manim:: Example5
-    :quality: medium
 
     class Example5(GraphScene, MovingCameraScene):
         def setup(self):
@@ -88,7 +82,6 @@ Camera Settings
             self.wait()
 
 .. manim:: Example6
-    :quality: medium
 
     class Example6(GraphScene, MovingCameraScene):
         def setup(self):
@@ -123,7 +116,6 @@ Note: ZoomedScene is derived class of MovingCameraScene,
 so one can use all functionality that were used before in the MovingCameraScene examples.
 
 .. manim:: ExampleZoom1
-    :quality: medium
 
     class ExampleZoom1(ZoomedScene):
         def construct(self):
@@ -135,7 +127,6 @@ so one can use all functionality that were used before in the MovingCameraScene
             self.play(dot.shift, LEFT)
 
 .. manim:: ExampleZoom2
-    :quality: medium
 
     class ExampleZoom2(ZoomedScene):
         CONFIG = {
@@ -161,7 +152,6 @@ so one can use all functionality that were used before in the MovingCameraScene
 
 
 .. manim:: ExampleZoom3
-    :quality: medium
 
     class ExampleZoom3(ZoomedScene):
         CONFIG = {
diff --git a/docs/source/examples/formulas.rst b/docs/source/examples/formulas.rst
index ffccf9cbfd..05482980b5 100644
--- a/docs/source/examples/formulas.rst
+++ b/docs/source/examples/formulas.rst
@@ -2,7 +2,6 @@ Formulas
 =================================
 
 .. manim:: Formula1
-    :quality: medium
     :save_last_frame:
 
     class Formula1(Scene):
@@ -13,7 +12,6 @@ Formulas
 
 
 .. manim:: MoveFrameBox
-    :quality: medium
 
     class MoveFrameBox(Scene):
         def construct(self):
@@ -34,7 +32,6 @@ Formulas
             self.wait()
 
 .. manim:: MoveBraces
-    :quality: medium
 
     class MoveBraces(Scene):
         def construct(self):
diff --git a/docs/source/examples/plots.rst b/docs/source/examples/plots.rst
index 35428a414a..6be9699ae8 100644
--- a/docs/source/examples/plots.rst
+++ b/docs/source/examples/plots.rst
@@ -5,7 +5,6 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
 
 
 .. manim:: Plot1
-    :quality: medium
     :save_last_frame:
 
     class Plot1(GraphScene):
@@ -15,7 +14,6 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
             self.add(func_graph)
 
 .. manim:: Plot2yLabel
-    :quality: medium
     :save_last_frame:
 
     class Plot2yLabel(GraphScene):
@@ -34,7 +32,6 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
             self.add(dot)
 
 .. manim:: Plot3DataPoints
-    :quality: medium
     :save_last_frame:
 
     class Plot3DataPoints(GraphScene):
@@ -51,7 +48,6 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
                 self.add(dot)
 
 .. manim:: Plot3bGaussian
-    :quality: medium
     :save_last_frame:
 
     amp = 5
@@ -68,7 +64,6 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
             self.add(graph)
 
 .. manim:: Plot3cGaussian
-    :quality: medium
     :save_last_frame:
 
     class Plot3cGaussian(GraphScene):
@@ -84,7 +79,6 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
 
 
 .. manim:: Plot4SinCos
-    :quality: medium
     :save_last_frame:
 
     class Plot4SinCos(GraphScene):
@@ -120,7 +114,6 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
             self.add(func_graph, func_graph2, vert_line, graph_lab, graph_lab2, two_pi)
 
 .. manim:: Plot5Area
-    :quality: medium
     :save_last_frame:
 
     class Plot5Area(GraphScene):
@@ -144,7 +137,6 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
             self.add(curve1, curve2, line1, line2, area1, area2)
 
 .. manim:: Plot6HeatDiagram
-    :quality: medium
     :save_last_frame:
 
     class Plot6HeatDiagram(GraphScene):
@@ -178,7 +170,6 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
 The following example illustrates how to draw parametric function plots.
 
 .. manim:: ParamFunc1
-    :quality: medium
     :save_last_frame:
 
     class ParamFunc1(Scene):
diff --git a/docs/source/examples/shapes.rst b/docs/source/examples/shapes.rst
index 9ac281f319..918cba95d6 100644
--- a/docs/source/examples/shapes.rst
+++ b/docs/source/examples/shapes.rst
@@ -2,7 +2,6 @@ Shapes
 =================================
 
 .. manim:: Example1Shape
-    :quality: medium
     :save_last_frame:
 
     class Example1Shape(Scene):
@@ -18,7 +17,6 @@ Shapes
             self.wait(1)
 
 .. manim:: Example1ImageFromArray
-    :quality: medium
     :save_last_frame:
 
     class Example1ImageFromArray(Scene):
@@ -29,7 +27,6 @@ Shapes
             self.add(image)
 
 .. manim:: Example2ImageFromFile
-    :quality: medium
     :save_last_frame:
 
     class Example2ImageFromFile(Scene):
diff --git a/docs/source/examples/text.rst b/docs/source/examples/text.rst
index 20d5322d01..724dea4452 100644
--- a/docs/source/examples/text.rst
+++ b/docs/source/examples/text.rst
@@ -2,7 +2,6 @@ Text
 =================================
 
 .. manim:: Example1Text
-    :quality: medium
     :save_last_frame:
 
     class Example1Text(Scene):
@@ -11,7 +10,6 @@ Text
             self.add(text)
 
 .. manim:: Example2Text
-    :quality: medium
     :save_last_frame:
 
     class Example2Text(Scene):
@@ -21,7 +19,6 @@ Text
 
 
 .. manim:: Example3Text
-    :quality: medium
     :save_last_frame:
 
     class Example3Text(Scene):
@@ -31,7 +28,6 @@ Text
 
 
 .. manim:: Example4Text
-    :quality: medium
     :save_last_frame:
 
     class Example4Text(Scene):
@@ -40,7 +36,6 @@ Text
             self.add(text)
 
 .. manim:: Example5Text
-    :quality: medium
     :save_last_frame:
 
     class Example5Text(Scene):
@@ -49,7 +44,6 @@ Text
             self.add(text)
 
 .. manim:: Example5bText
-    :quality: medium
     :save_last_frame:
 
     class Example5bText(Scene):
@@ -58,7 +52,6 @@ Text
             self.add(text)
 
 .. manim:: Example6Text
-    :quality: medium
     :save_last_frame:
 
     class Example6Text(Scene):
@@ -67,7 +60,6 @@ Text
             self.add(text)
 
 .. manim:: Example7Text
-    :quality: medium
     :save_last_frame:
 
     class Example7Text(Scene):
@@ -76,7 +68,6 @@ Text
             self.add(text)
 
 .. manim:: Example8Text
-    :quality: medium
     :save_last_frame:
 
     class Example8Text(Scene):
@@ -85,7 +76,6 @@ Text
             self.add(text)
 
 .. manim:: Example9Text
-    :quality: medium
     :save_last_frame:
 
     class Example9Text(Scene):
@@ -94,7 +84,6 @@ Text
             self.add(text)
 
 .. manim:: Example10Text
-    :quality: medium
     :save_last_frame:
 
     class Example10Text(Scene):
@@ -103,7 +92,6 @@ Text
             self.add(text)
 
 .. manim:: Example11Text
-    :quality: medium
     :save_last_frame:
 
     class Example11Text(Scene):
@@ -112,7 +100,6 @@ Text
             self.add(text)
 
 .. manim:: Example12Text
-    :quality: medium
     :save_last_frame:
 
     class Example12Text(Scene):
diff --git a/docs/source/manim_directive.py b/docs/source/manim_directive.py
index cf92b4c0d4..882512b3c3 100644
--- a/docs/source/manim_directive.py
+++ b/docs/source/manim_directive.py
@@ -106,9 +106,9 @@ def run(self):
         save_last_frame = "save_last_frame" in self.options
         assert not (save_as_gif and save_last_frame)
 
-        frame_rate = config["frame_rate"]
-        pixel_height = config["pixel_height"]
-        pixel_width = config["pixel_width"]
+        frame_rate = 30
+        pixel_height = 480
+        pixel_width = 854
 
         if "quality" in self.options:
             quality = self.options["quality"]
diff --git a/docs/source/tutorials/building_blocks.rst b/docs/source/tutorials/building_blocks.rst
index 96a4f8a27e..41f4ad5a5d 100644
--- a/docs/source/tutorials/building_blocks.rst
+++ b/docs/source/tutorials/building_blocks.rst
@@ -61,7 +61,6 @@ screen, simply call the :meth:`~.Scene.remove` method from the containing
 :class:`.Scene`.
 
 .. manim:: CreatingMobjects
-   :quality: medium
 
    class CreatingMobjects(Scene):
        def construct(self):
@@ -80,7 +79,6 @@ some mobjects to it.  This script generates a static picture that displays a
 circle, a square, and a triangle:
 
 .. manim:: Shapes
-   :quality: medium
 
    class Shapes(Scene):
        def construct(self):
@@ -112,7 +110,6 @@ There are many other possible ways to place mobjects on the screen, for example
 ``MobjectPlacement`` uses all three.
 
 .. manim:: MobjectPlacement
-   :quality: medium
 
    class MobjectPlacement(Scene):
        def construct(self):
@@ -160,7 +157,6 @@ Styling mobjects
 The following scene changes the default aesthetics of the mobjects.
 
 .. manim:: MobjectStyling
-   :quality: medium
 
    class MobjectStyling(Scene):
        def construct(self):
@@ -196,7 +192,6 @@ The next scene is exactly the same as the ``MobjectStyling`` scene from the
 previous section, except for exactly one line.
 
 .. manim:: MobjectZOrder
-   :quality: medium
 
    class MobjectZOrder(Scene):
        def construct(self):
@@ -229,7 +224,6 @@ At the heart of manim is animation.  Generally, you can add an animation to
 your scene by calling the :meth:`~.Scene.play` method.
 
 .. manim:: SomeAnimations
-   :quality: medium
 
    class SomeAnimations(Scene):
        def construct(self):
@@ -265,7 +259,6 @@ method that changes a mobject's property can be used as an animation, through
 the use of :class:`.ApplyMethod`.
 
 .. manim:: ApplyMethodExample
-   :quality: medium
 
    class ApplyMethodExample(Scene):
        def construct(self):
@@ -293,7 +286,6 @@ By default, any animation passed to :meth:`play` lasts for exactly one second.
 Use the :code:`run_time` argument to control the duration.
 
 .. manim:: RunTime
-   :quality: medium
 
    class RunTime(Scene):
        def construct(self):
diff --git a/docs/source/tutorials/quickstart.rst b/docs/source/tutorials/quickstart.rst
index 5f16145977..79a8341000 100644
--- a/docs/source/tutorials/quickstart.rst
+++ b/docs/source/tutorials/quickstart.rst
@@ -59,7 +59,6 @@ video playing the following animation.
 
 .. manim:: SquareToCircle
    :hide_source:
-   :quality: low
 
    class SquareToCircle(Scene):
        def construct(self):
@@ -155,7 +154,6 @@ The output should look as follows.
 
 .. manim:: SquareToCircle2
    :hide_source:
-   :quality: low
 
    class SquareToCircle2(Scene):
        def construct(self):
diff --git a/manim/mobject/changing.py b/manim/mobject/changing.py
index db73ac5660..ab0fab971d 100644
--- a/manim/mobject/changing.py
+++ b/manim/mobject/changing.py
@@ -16,7 +16,6 @@ class AnimatedBoundary(VGroup):
     Examples
     --------
     .. manim:: AnimatedBoundaryExample
-        :quality: low
 
         class AnimatedBoundaryExample(Scene):
             def construct(self):
@@ -89,7 +88,6 @@ class TracedPath(VMobject):
     Examples
     --------
     .. manim:: TracedPathExample
-        :quality: low
 
         class TracedPathExample(Scene):
             def construct(self):
diff --git a/manim/mobject/geometry.py b/manim/mobject/geometry.py
index 74ab65e9ed..6f332c0721 100644
--- a/manim/mobject/geometry.py
+++ b/manim/mobject/geometry.py
@@ -897,7 +897,6 @@ class ArrowTip(VMobject):
     a custom one like this:
 
     .. manim:: CustomTipExample
-        :quality: low
 
         >>> class MyCustomArrowTip(ArrowTip, RegularPolygon):
         ...     def __init__(self, **kwargs):
diff --git a/manim/mobject/value_tracker.py b/manim/mobject/value_tracker.py
index aeeac1478b..13ae1d7586 100644
--- a/manim/mobject/value_tracker.py
+++ b/manim/mobject/value_tracker.py
@@ -21,7 +21,6 @@ class ValueTracker(Mobject):
     Examples
     --------
     .. manim:: ValueTrackerExample
-        :quality: low
 
         class ValueTrackerExample(Scene):
             def construct(self):

From 40ae5d7bd4e888a1cd0ded938183e254e69e4c85 Mon Sep 17 00:00:00 2001
From: kolibril13 <44469195+kolibril13@users.noreply.github.com>
Date: Mon, 28 Sep 2020 20:37:53 +0200
Subject: [PATCH 22/34] Apply suggestions leotrs

Co-authored-by: Leo Torres <leo@leotrs.com>
---
 docs/source/examples/advanced_projects.rst | 2 +-
 docs/source/examples/formulas.rst          | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/docs/source/examples/advanced_projects.rst b/docs/source/examples/advanced_projects.rst
index 51d4cbce9d..1b4054abc2 100644
--- a/docs/source/examples/advanced_projects.rst
+++ b/docs/source/examples/advanced_projects.rst
@@ -33,7 +33,7 @@ Advanced Projects
             ]
 
             for i in range(len(x_labels)):
-                x_labels[i].next_to(np.array([-1+2*i,0,0]), DOWN )
+                x_labels[i].next_to(np.array([-1 + 2*i, 0, 0]), DOWN)
                 self.add(x_labels[i])
 
         def show_circle(self):
diff --git a/docs/source/examples/formulas.rst b/docs/source/examples/formulas.rst
index 05482980b5..c28eefca0d 100644
--- a/docs/source/examples/formulas.rst
+++ b/docs/source/examples/formulas.rst
@@ -42,8 +42,8 @@ Formulas
                 "g(x)\\frac{d}{dx}f(x)"         #3
             )
             self.play(Write(text))
-            brace1 = Brace(text[1], UP, buff = SMALL_BUFF)
-            brace2 = Brace(text[3], UP, buff = SMALL_BUFF)
+            brace1 = Brace(text[1], UP, buff=SMALL_BUFF)
+            brace2 = Brace(text[3], UP, buff=SMALL_BUFF)
             t1 = brace1.get_text("$g'f$")
             t2 = brace2.get_text("$f'g$")
             self.play(

From 7ad3136de2d124bc1aa85fc28bf0ce94b6457d8c Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Mon, 28 Sep 2020 21:02:57 +0200
Subject: [PATCH 23/34] Added credits and 3d scene changes

---
 docs/source/examples.rst    | 2 ++
 docs/source/examples/3d.rst | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/docs/source/examples.rst b/docs/source/examples.rst
index 7aa8dc1d30..99d1818112 100644
--- a/docs/source/examples.rst
+++ b/docs/source/examples.rst
@@ -1,6 +1,8 @@
 Examples
 ============
 
+Special thanks to @theoremofbeethoven ,heejin_park, leotrs and behackl for collecting these examples.
+
 .. toctree::
 
    examples/shapes
diff --git a/docs/source/examples/3d.rst b/docs/source/examples/3d.rst
index f43de3057d..b6546d294a 100644
--- a/docs/source/examples/3d.rst
+++ b/docs/source/examples/3d.rst
@@ -18,7 +18,7 @@
             self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
             self.add(axes, sphere)
 
-.. manim:: Example3DNo2
+.. manim:: Example3DLightSourcePosition
     :save_last_frame:
 
     class Example3DNo2(ThreeDScene):
@@ -32,7 +32,7 @@
                 ]), v_min=0, v_max=TAU, u_min=-PI / 2, u_max=PI / 2,
                 checkerboard_colors=[RED_D, RED_E], resolution=(15, 32)
             )
-            self.camera.light_source.move_to(3*IN)
+            self.camera.light_source.move_to(3*IN) # changes the source of the light
             self.set_camera_orientation(phi=75 * DEGREES, theta=30 * DEGREES)
             self.add(axes, sphere)
 

From 0ef84277039c182fe4cfecbf9087818123d4304c Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Mon, 28 Sep 2020 21:10:17 +0200
Subject: [PATCH 24/34] # removed unnecessary lines

---
 docs/source/examples/plots.rst | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/docs/source/examples/plots.rst b/docs/source/examples/plots.rst
index 6be9699ae8..d87bf75c16 100644
--- a/docs/source/examples/plots.rst
+++ b/docs/source/examples/plots.rst
@@ -25,7 +25,7 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
         }
 
         def construct(self):
-            self.setup_axes(animate=True)
+            self.setup_axes()
             dot = Dot().move_to(self.coords_to_point(PI / 2, 20))
             func_graph = self.get_graph(lambda x: 20 * np.sin(x))
             self.add(func_graph)
@@ -42,7 +42,7 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
 
         def construct(self):
             data = [1, 2, 2, 4, 4, 1, 3]
-            self.setup_axes(animate=True)
+            self.setup_axes()
             for time, dat in enumerate(data):
                 dot = Dot().move_to(self.coords_to_point(time, dat))
                 self.add(dot)
@@ -127,7 +127,7 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
             "x_labeled_nums" : [0,2,3]
         }
         def construct(self):
-            self.setup_axes(animate=False)
+            self.setup_axes()
             curve1 = self.get_graph(lambda x : 4*x-x**2, x_min=0,x_max=4)
             curve2 = self.get_graph(lambda x : 0.8*x**2-3*x+4, x_min=0,x_max=4)
             line1 = self.get_vertical_line_to_graph(2, curve1, DashedLine, color=YELLOW)
@@ -155,7 +155,7 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
         def construct(self):
             data = [20, 0, 0, -5]
             x = [0, 8, 38, 39]
-            self.setup_axes(animate=True)
+            self.setup_axes()
             dot_collection = VGroup()
             for time, val in enumerate(data):
                 dot = Dot().move_to(self.coords_to_point(x[time], val))

From db8cd79c946d35451a86fd81190a2a3ca8e65977 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Mon, 28 Sep 2020 21:30:50 +0200
Subject: [PATCH 25/34] # implemented lots of changes suggested be leotrs

---
 docs/source/examples/plots.rst | 42 +++++++++++++++-------------------
 1 file changed, 18 insertions(+), 24 deletions(-)

diff --git a/docs/source/examples/plots.rst b/docs/source/examples/plots.rst
index d87bf75c16..88cc4ce234 100644
--- a/docs/source/examples/plots.rst
+++ b/docs/source/examples/plots.rst
@@ -13,7 +13,7 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
             func_graph=self.get_graph(lambda x: np.sin(x))
             self.add(func_graph)
 
-.. manim:: Plot2yLabel
+.. manim:: Plot2yLabelNumbers
     :save_last_frame:
 
     class Plot2yLabel(GraphScene):
@@ -28,15 +28,14 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
             self.setup_axes()
             dot = Dot().move_to(self.coords_to_point(PI / 2, 20))
             func_graph = self.get_graph(lambda x: 20 * np.sin(x))
-            self.add(func_graph)
-            self.add(dot)
+            self.add(dot,func_graph)
 
 .. manim:: Plot3DataPoints
     :save_last_frame:
 
     class Plot3DataPoints(GraphScene):
         CONFIG = {
-            "y_axis_label": r"Concentration[\%]",
+            "y_axis_label": r"Concentration [\%]",
             "x_axis_label": "Time [s]",
             }
 
@@ -74,7 +73,8 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
                 sig = 1
                 return amp * np.exp((-1 / 2 * ((x - mu) / sig) ** 2))
             self.setup_axes()
-            graph = self.get_graph(gaussian, x_min=-1, x_max=10).set_style(stroke_width=5, stroke_color=GREEN)
+            graph = self.get_graph(gaussian, x_min=-1, x_max=10)
+            graph.set_style(stroke_width=5, stroke_color=GREEN)
             self.add(graph)
 
 
@@ -96,18 +96,12 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
 
         def construct(self):
             self.setup_axes(animate=False)
-
-            def func_cos(x):
-                return np.cos(x)
-
-            def func_sin(x):
-                return np.sin(x)
-
-            func_graph = self.get_graph(func_cos, self.function_color)
-            func_graph2 = self.get_graph(func_sin)
+            func_graph = self.get_graph(np.cos, self.function_color)
+            func_graph2 = self.get_graph(np.sin)
             vert_line = self.get_vertical_line_to_graph(TAU, func_graph, color=YELLOW)
             graph_lab = self.get_graph_label(func_graph, label="\\cos(x)")
-            graph_lab2 = self.get_graph_label(func_graph2, label="\\sin(x)", x_val=-10, direction=UP / 2)
+            graph_lab2 = self.get_graph_label(func_graph2, label="\\sin(x)",
+                                x_val=-10, direction=UP / 2)
             two_pi = MathTex(r"x = 2 \pi")
             label_coord = self.input_to_graph_point(TAU, func_graph)
             two_pi.next_to(label_coord, RIGHT + UP)
@@ -128,8 +122,8 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
         }
         def construct(self):
             self.setup_axes()
-            curve1 = self.get_graph(lambda x : 4*x-x**2, x_min=0,x_max=4)
-            curve2 = self.get_graph(lambda x : 0.8*x**2-3*x+4, x_min=0,x_max=4)
+            curve1 = self.get_graph(lambda x: 4 * x - x ** 2, x_min=0, x_max=4)
+            curve2 = self.get_graph(lambda x: 0.8 * x ** 2 - 3 * x + 4, x_min=0, x_max=4)
             line1 = self.get_vertical_line_to_graph(2, curve1, DashedLine, color=YELLOW)
             line2 = self.get_vertical_line_to_graph(3, curve1, DashedLine, color=YELLOW)
             area1 = self.get_area(curve1, 0.3, 0.6, dx_scaling=10, area_color=BLUE)
@@ -149,7 +143,6 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
             "x_max": 40,
             "y_labeled_nums": np.arange(-5, 34, 5),
             "x_labeled_nums": np.arange(0, 40, 5),
-
         }
 
         def construct(self):
@@ -167,14 +160,15 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
             self.add(l1, l2, l3)
 
 
-The following example illustrates how to draw parametric function plots.
+The following example illustrates how to draw parametric function plots, which does not use `GraphScene`
 
 .. manim:: ParamFunc1
     :save_last_frame:
 
     class ParamFunc1(Scene):
-       def func(self,t):
-           return np.array((np.sin(2*t), np.sin(3*t),0))
-       def construct(self):
-           func=ParametricFunction(self.func, t_max=TAU, fill_opacity=0).set_color(RED)
-           self.add(func.scale(3))
+        def func(self, t):
+            return np.array((np.sin(2 * t), np.sin(3 * t), 0))
+
+        def construct(self):
+            func = ParametricFunction(self.func, t_max = TAU, fill_opacity=0).set_color(RED)
+            self.add(func.scale(3))
\ No newline at end of file

From 69737f8c229358cd084f606111c42bdeeefc7f7d Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Mon, 28 Sep 2020 21:31:53 +0200
Subject: [PATCH 26/34] # updated credits

---
 docs/source/examples.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/source/examples.rst b/docs/source/examples.rst
index 99d1818112..2e77a82ddd 100644
--- a/docs/source/examples.rst
+++ b/docs/source/examples.rst
@@ -1,7 +1,7 @@
 Examples
 ============
 
-Special thanks to @theoremofbeethoven ,heejin_park, leotrs and behackl for collecting these examples.
+Special thanks to @theoremofbeethoven ,heejin_park, leotrs and behackl and the manim community devs for collecting these examples.
 
 .. toctree::
 

From 6f1f19f2921a83fc0a98259f393d31c9e010f4b3 Mon Sep 17 00:00:00 2001
From: kolibril13 <jan-hendrik.mueller@gmx.net>
Date: Mon, 28 Sep 2020 21:36:03 +0200
Subject: [PATCH 27/34] # updated scene names

---
 docs/source/examples/3d.rst    | 2 +-
 docs/source/examples/plots.rst | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/source/examples/3d.rst b/docs/source/examples/3d.rst
index b6546d294a..6a46f018df 100644
--- a/docs/source/examples/3d.rst
+++ b/docs/source/examples/3d.rst
@@ -21,7 +21,7 @@
 .. manim:: Example3DLightSourcePosition
     :save_last_frame:
 
-    class Example3DNo2(ThreeDScene):
+    class Example3DLightSourcePosition(ThreeDScene):
         def construct(self):
             axes = ThreeDAxes()
             sphere = ParametricSurface(
diff --git a/docs/source/examples/plots.rst b/docs/source/examples/plots.rst
index 88cc4ce234..10b120869c 100644
--- a/docs/source/examples/plots.rst
+++ b/docs/source/examples/plots.rst
@@ -16,7 +16,7 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
 .. manim:: Plot2yLabelNumbers
     :save_last_frame:
 
-    class Plot2yLabel(GraphScene):
+    class Plot2yLabelNumbers(GraphScene):
         CONFIG = {
             "y_min": 0,
             "y_max": 100,

From 834aba53995e6698f2b1dec0ee6ff372f9b4774c Mon Sep 17 00:00:00 2001
From: kolibril13 <44469195+kolibril13@users.noreply.github.com>
Date: Mon, 28 Sep 2020 21:38:17 +0200
Subject: [PATCH 28/34] Update docs/source/examples/shapes.rst

Co-authored-by: Leo Torres <leo@leotrs.com>
---
 docs/source/examples/shapes.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/source/examples/shapes.rst b/docs/source/examples/shapes.rst
index 918cba95d6..2c362cd883 100644
--- a/docs/source/examples/shapes.rst
+++ b/docs/source/examples/shapes.rst
@@ -31,7 +31,7 @@ Shapes
 
     class Example2ImageFromFile(Scene):
         def construct(self):
-            # these four lines, when you want to import an image from the web
+            # Use PIL when you want to import an image from the web
             import requests
             from PIL import Image
             img = Image.open(requests.get("https://raw.githubusercontent.com/ManimCommunity/manim/master/logo/cropped.png",
@@ -40,4 +40,4 @@ Shapes
             # this line, when you want to import your Image on your machine
             # img_mobject = ImageMobject("<your image address>")
             img_mobject.scale(3)
-            self.add(img_mobject)
\ No newline at end of file
+            self.add(img_mobject)

From 53ec42d2ff56dd9d15b4ca5be21d7653e6a7710a Mon Sep 17 00:00:00 2001
From: kolibril13 <44469195+kolibril13@users.noreply.github.com>
Date: Mon, 28 Sep 2020 22:42:19 +0200
Subject: [PATCH 29/34] updated credits

---
 docs/source/examples/advanced_projects.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/source/examples/advanced_projects.rst b/docs/source/examples/advanced_projects.rst
index 1b4054abc2..4626cf74dc 100644
--- a/docs/source/examples/advanced_projects.rst
+++ b/docs/source/examples/advanced_projects.rst
@@ -4,6 +4,7 @@ Advanced Projects
 .. manim:: ExampleSineCurve
 
     class ExampleSineCurve(Scene):
+        # contributed by heejin_park, https://infograph.tistory.com/230 
         def construct(self):
             self.show_axis()
             self.show_circle()

From 03e831228f22b87274951e407448490ecadb0990 Mon Sep 17 00:00:00 2001
From: kolibril13 <44469195+kolibril13@users.noreply.github.com>
Date: Mon, 28 Sep 2020 23:10:20 +0200
Subject: [PATCH 30/34] updated examples entery

---
 docs/source/examples.rst | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/docs/source/examples.rst b/docs/source/examples.rst
index 2e77a82ddd..fea2e23c56 100644
--- a/docs/source/examples.rst
+++ b/docs/source/examples.rst
@@ -1,8 +1,6 @@
 Examples
 ============
 
-Special thanks to @theoremofbeethoven ,heejin_park, leotrs and behackl and the manim community devs for collecting these examples.
-
 .. toctree::
 
    examples/shapes
@@ -14,4 +12,4 @@ Special thanks to @theoremofbeethoven ,heejin_park, leotrs and behackl and the m
    examples/camera_settings
    examples/animations
    examples/neat_projects
-   examples/advanced_projects
\ No newline at end of file
+   examples/advanced_projects

From 1aad7e67cf661100ad5d84e2991d9457871280d9 Mon Sep 17 00:00:00 2001
From: kolibril13 <44469195+kolibril13@users.noreply.github.com>
Date: Mon, 28 Sep 2020 23:12:24 +0200
Subject: [PATCH 31/34] Update camera_settings.rst

---
 docs/source/examples/camera_settings.rst | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docs/source/examples/camera_settings.rst b/docs/source/examples/camera_settings.rst
index ac8e5dcc34..78abf71f93 100644
--- a/docs/source/examples/camera_settings.rst
+++ b/docs/source/examples/camera_settings.rst
@@ -152,7 +152,7 @@ so one can use all functionality that were used before in the MovingCameraScene
 
 
 .. manim:: ExampleZoom3
-
+    # contributed by TheoremofBeethoven, www.youtube.com/c/TheoremofBeethoven
     class ExampleZoom3(ZoomedScene):
         CONFIG = {
             "zoom_factor": 0.3,
@@ -211,4 +211,4 @@ so one can use all functionality that were used before in the MovingCameraScene
             self.wait()
             self.play(self.get_zoomed_display_pop_out_animation(), unfold_camera, rate_func=lambda t: smooth(1 - t))
             self.play(Uncreate(zoomed_display_frame), FadeOut(frame))
-            self.wait()
\ No newline at end of file
+            self.wait()

From 01f07d21d350635c40ddfbfb45a1bdbaff5e7ddf Mon Sep 17 00:00:00 2001
From: kolibril13 <44469195+kolibril13@users.noreply.github.com>
Date: Mon, 28 Sep 2020 23:22:56 +0200
Subject: [PATCH 32/34] changed two lines

---
 docs/source/examples/camera_settings.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/docs/source/examples/camera_settings.rst b/docs/source/examples/camera_settings.rst
index 78abf71f93..5b28addf02 100644
--- a/docs/source/examples/camera_settings.rst
+++ b/docs/source/examples/camera_settings.rst
@@ -152,8 +152,9 @@ so one can use all functionality that were used before in the MovingCameraScene
 
 
 .. manim:: ExampleZoom3
-    # contributed by TheoremofBeethoven, www.youtube.com/c/TheoremofBeethoven
+
     class ExampleZoom3(ZoomedScene):
+    # contributed by TheoremofBeethoven, www.youtube.com/c/TheoremofBeethoven
         CONFIG = {
             "zoom_factor": 0.3,
             "zoomed_display_height": 1,

From 093be8e5dcd27bb958325714aee9decf7c8f3a50 Mon Sep 17 00:00:00 2001
From: kolibril13 <44469195+kolibril13@users.noreply.github.com>
Date: Fri, 2 Oct 2020 15:20:05 +0200
Subject: [PATCH 33/34] Update shapes.rst

---
 docs/source/examples/shapes.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/source/examples/shapes.rst b/docs/source/examples/shapes.rst
index 2c362cd883..d7057b41c1 100644
--- a/docs/source/examples/shapes.rst
+++ b/docs/source/examples/shapes.rst
@@ -1,4 +1,4 @@
-Shapes
+Shapes & Images
 =================================
 
 .. manim:: Example1Shape

From 82aea6b32d4f468b29fe54cd9ac8a324637678af Mon Sep 17 00:00:00 2001
From: kolibril13 <44469195+kolibril13@users.noreply.github.com>
Date: Fri, 2 Oct 2020 15:26:57 +0200
Subject: [PATCH 34/34] Update plots.rst

---
 docs/source/examples/plots.rst | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/docs/source/examples/plots.rst b/docs/source/examples/plots.rst
index 10b120869c..2d5dc4ea7c 100644
--- a/docs/source/examples/plots.rst
+++ b/docs/source/examples/plots.rst
@@ -160,15 +160,13 @@ Examples to illustrate the use of :class:`.GraphScene` in manim.
             self.add(l1, l2, l3)
 
 
-The following example illustrates how to draw parametric function plots, which does not use `GraphScene`
-
-.. manim:: ParamFunc1
+.. manim:: ParametricFunctionWithoutGraphScene
     :save_last_frame:
 
-    class ParamFunc1(Scene):
+    class ParametricFunctionWithoutGraphScene(Scene):
         def func(self, t):
             return np.array((np.sin(2 * t), np.sin(3 * t), 0))
 
         def construct(self):
             func = ParametricFunction(self.func, t_max = TAU, fill_opacity=0).set_color(RED)
-            self.add(func.scale(3))
\ No newline at end of file
+            self.add(func.scale(3))