Rectangle
=========

This demo presents the rectangle scene in 2D and shows how the animation state evolves over time with lib-anim.
The script defines a canva, adds the corresponding items, and updates them frame by frame to produce the final motion.

.. raw:: html

   <img src="../media/2d_rectangle.gif" alt="2D rectangle demo" style="max-width: 100%; height: auto;" />

Full Code
---------

.. literalinclude:: ../../../demo/2d_rectangle.py
   :language: python
   :linenos: