Which collisions make lag?

Hello, I would like to know which collisions cause lag.

For several days I have been trying to optimize my game and I do not know which collision to choose for the best performance.

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If you’re referring to CollisionFidelity of MeshParts and Unions, box will always have the lowest impact, but it’s unsuitable when you need players to accurately collide with things.

Hull is next best, but if your mesh has concave geometry or holes / inwards areas, they will become solid. Think of it like wrapping your mesh in tight plastic.

Default attempts to preserve collision for meshes that have concave shapes / have inwards geometry, but is more complex and will have greater performance impact.

You should choose what works for your uses, favoring box over hull, and hull over default.

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