Replaced link to Jupyter environment in README

README.md

@@ -37,7 +37,7 @@ Manim is an animation engine for explanatory math videos. It's used to create pr
 
 Manim requires a few dependencies that must be installed prior to using it. If you
 want to try it out first before installing it locally, you can do so
-[in our online Jupyter environment](https://mybinder.org/v2/gist/behackl/725d956ec80969226b7bf9b4aef40b78/HEAD?filepath=basic%20example%20scenes.ipynb).
+[in our online Jupyter environment](https://try.manim.community/).
 
 For the local installation, please visit the [Documentation](https://docs.manim.community/en/stable/installation.html)
 and follow the appropriate instructions for your operating system.

manim/renderer/cairo_renderer.py

@@ -85,6 +85,20 @@ def play(self, scene, *args, **kwargs):
 
         scene.compile_animation_data(*args, **kwargs)
 
+        # If skip_animations is already True, we can skip all the caching process.
+        if not config["disable_caching"] and not self.skip_animations:
+            hash_current_animation = get_hash_from_play_call(
+                scene, self.camera, scene.animations, scene.mobjects
+            )
+            if self.file_writer.is_already_cached(hash_current_animation):
+                logger.info(
+                    f"Animation {self.num_plays} : Using cached data (hash : %(hash_current_animation)s)",
+                    {"hash_current_animation": hash_current_animation},
+                )
+                self.skip_animations = True
+        else:
+            hash_current_animation = f"uncached_{self.num_plays:05}"
+
         if self.skip_animations:
             logger.debug(f"Skipping animation {self.num_plays}")
             hash_current_animation = None
@@ -240,7 +254,7 @@ def save_static_frame_data(
         typing.Iterable[Mobject]
             the static image computed.
         """
-        if not static_mobjects:
+        if static_mobjects == None or len(static_mobjects) == 0:
             self.static_image = None
             return
         self.update_frame(scene, mobjects=static_mobjects)

test.py

@@ -0,0 +1,6 @@
+from manim import *
+
+class TestScene(Scene):
+    def construct(self):
+        a = Circle()
+        self.add(a)