Scene Switching
===============

Goals
-----

- Use if statements to draw different scenes depending on a scene variable.
- Use keys to change the scenes

Starter code
------------
:doc:`Pygame Template <pygame-template>` 

Video Tutorial
--------------

.. raw:: html

    <iframe width="560" height="315" src="https://www.youtube.com/embed/cmY0k2iALlw" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

What you need to do
-------------------

- Add another scene
- When the last scene has been reached, wrap back to the first scene.
- Implement the ability for the left arrow key to go to the previous scene.
- Factor out each scene into its own function

Final Code
----------

.. literalinclude:: code/scene_switching_final.py
    :linenos:
    :emphasize-lines: 22, 33-34, 45, 50