>>> Prompt:
In a game, given the below update function of a sprite walking on ground. The sprite should adjust
itself on the Y axis automatically as it is a bit hilly ground. Right now it just walks in a straight
line. I don't need explanation of the code, I need you to fix the code.
...code of update function...
>>> Catch-up notes:
Backup was named: 'index - Copy (20).html'
Associated LLM context: You-the-lies-on-what-it-did.md