How to convert character to non rigged model?

Help and Feedback Scripting Support
#1

How do you convert the player character to a model like a chair or table, not a rigged model like how Blox Hunt is doing?

I tried two things. the first one to make a weld constraint for the model and the humanoid root part and make the other part (arm, leg, etc.) invisible, but there is a problem when setting the CFrame for the model, the problem that I can’t get in perfect some reasons it work good for big models and bad for smaller ones.

local ServerStorage = game:GetService("ServerStorage")
local Players = game:GetService("Players")

function AttatchModel(character: Model)
	local humanoidRootPart = character:FindFirstChild("HumanoidRootPart")
	local rightLeg = character:FindFirstChild("Right Leg")

	local model = ServerStorage.Chair
	model.Parent = character	
	
	if math.floor(model:GetExtentsSize().Y) > 3 then
		model.PrimaryPart.CFrame = humanoidRootPart.CFrame * CFrame.new(0, -((humanoidRootPart.Size.Y + rightLeg.Size.Y) - (model:GetExtentsSize().Y / 2)), 0)
	else	
		model.PrimaryPart.CFrame = humanoidRootPart.CFrame * CFrame.new(0, -((humanoidRootPart.Size.Y + rightLeg.Size.Y) - model:GetExtentsSize().Y), 0)
	end
		
	local weld = Instance.new("WeldConstraint")
	weld.Part0 = model.PrimaryPart
	weld.Part1 =  humanoidRootPart
	weld.Parent = model
end

game.Players.PlayerAdded:Connect(function(player)
	player.CharacterAppearanceLoaded:Connect(function(character: Model)
		for _, part in character:GetDescendants() do
			if part:IsA("Accessory") then
				part:Destroy()
			elseif part:IsA("Part") then
				if part.Name == "Head" then part:FindFirstChildOfClass("Decal"):Destroy() end
				part.Transparency = 0.8
			end
		end
		
		AttatchModel(character)
	end)
end)

The second thing I tried was to set the model for the player character by adding to it a humanoid and a humanoidRootPart, but there was a problem floating because the HipHight needed a lot of setup.

The models used have cancolide set to false. These are the two methods I tried. If there is something better, please tell me.

#2

I think as long as a model has a humanoid root part and a humanoid it can move and function as a character. So just set the players character to be that model with a humanoid and rootpart in

#3

It work but it have some downside:

1- the model should have legs that is cancolide off so the player can jump
2- the model well look floating because the hiphight is not perfect always
3- too many thing to setup in a game that have a lot of models that the player can convert to