Portal 2 but Math is Broken

What if you set pi to 4 or swapped sine and cosine in the Portal 2 engine?
Commissions open: https://ko-fi.com/portalrunner/commis...

Code available on GitHub: https://github.com/p2r3/sinswap
Thanks to dustyhobo for the amazing music, and thank you for watching.

Streamed live on   / portalrunner  
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Tracks used in order:
Portal 2 OST - The Friendly Faith Plate
Portal 2 OST - Technical Difficulties
  / goat  
  / rnb  
   • truly  
  / years  
  / ring-dance