Pathfinding with an accessory is drastically slowing down the NPC

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#1

I recently made a custom character and have outfitted it with the pathfinding script on the PathfindingService docs. I have now tried putting an accessory on the NPC (through humanoid:AddAccessory(), manually putting it in the model before and after I hit play) and as soon as it goes into the model the speed slows down.

Normal
https://gyazo.com/fe1eaa81d9f336e3454f12ddae8a5969

With Accessory (backpack)
https://gyazo.com/0216b0d2ec7593394bf4366744dcf25c

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#2

Did you set the backpack too be massless and also turn its canCollide property to false?

It could possibly be colliding with the robot causing its movement to be erratic

#3

I just did both and it still has the same issue.

#4

Found the issue.

I had a script setting the NetworkOwnership of the dummy, fixing it’s own lag/stuttering. The issue was the accessory/backpack had not had it’s NetworkOwnership changed yet, so I simply ran (not my code);

local function setNetworkOwnerOfModel(model, networkOwner)
	for _, descendant in pairs(model:GetDescendants()) do
		if descendant:IsA("BasePart") then
			local success, errorReason = descendant:CanSetNetworkOwnership()
			if success then
				descendant:SetNetworkOwner(networkOwner)
			else
				error(errorReason)
			end
		end
	end
end

local function equipBackpack(pack)
	humanoid:AddAccessory(pack)
	
	setNetworkOwnerOfModel(pack, nil)
end
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