How to reduce lag when your game has too many parts?

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There isn’t an instant magical solution that works for everyone, I suggest showing what your game looks like.

For starters;

  • Turn off CanCollide and CanTouch (AND CANQUERY!) for instances (parts/meshparts/unions) that don’t need collisions. (ex: tree leaves, bushes, clouds) (if it’s a MeshPart, then turn CollisionFidelity to Box)
  • Turn off CastShadow for instances that don’t need shadows. (super small parts, parts in complete darkness, etc)
  • If you have MeshParts that aren’t important to the game, turn their RenderFidelity to Performance. Do not use Precise RenderFidelity unless it’s a big object that’s visible in every direction and at all times. You should be using Automatic over Precise in 99% of cases.

I don’t really want to rewrite an essay, so if your game has a bunch of MeshParts and you’re looking to make them as performant as possible, please check out my tutorial topic here.

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