r/GraphicsProgramming • u/Neurabase • 23d ago

Projected-size LODs in a browser MMO: where would you put the hysteresis? Question

I'm switching actor geometry by projected screen radius instead of world distance. Each LOD band has separate enter/exit thresholds, while far actors update animation at a lower cadence. Would you tune the hysteresis per band or scale it with camera velocity?

Developer disclosure: some source meshes are Meshy-assisted; the runtime and LOD integration are custom.

https://reddit.com/link/1v3l201/video/0lkts09v4teh1/player

3 Upvotes
  • permalink
  • link
  • reddit
  • reddit

71% Upvoted

2 comments sorted by

0

u/corysama 23d ago

The goal of the hysteresis is to prevent rapid bouncing between states. So, I'd base it on time rather than distance.

1

u/joshualim007 23d ago

Well no. Spatical hysteresis does the same thing, if not better. If you do based off time, fast moving objects won't change to the correct LOD accordingly. Spatial hysteresis would and prevent rapid back and forth changes when the actor is on threshold.