In this video I show how I got the physics engine working well enough to allow objects, and the player, to fall forever from a portal on the ceiling to a portal on the floor.

Thanks to my brother, Joseph Lambert, for helping me edit the video this time

Latest ROM Download
https://github.com/lambertjamesd/portal64/releases/tag/v0.6.0

N64 Homebrew Resources
https://discord.gg/WqFgNWf
https://n64.dev/#community 

If you want to code using the official N64 SDK
https://crashoveride95.github.io/n64hbrew/modernsdk/index.html
If you want to use an open source SDK
https://libdragon.dev/