How do I make my part only rotate on an X axis towards a player

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#1

I am trying to rotate a part on only a single axis towards a player

I tried the following script but it hasn’t worked.

wait(.5)
Idle = game.Workspace.apiiela.HumanoidRootPart
while true do
	wait()
script.Parent.Parent:SetPrimaryPartCFrame(CFrame.new(script.Parent.Position.X,Idle.Position.X))
	end

The script rotates on all axis’s when I don’t have the X’s after .Position. But when I add them it stops it completely.

Any guidance would be helpful if you have spare time.
Thank you!

#2

In this case, to restrict the movement in one axis you must compose a new target vector (in this case Idle) by changing just the axis you want to restrict.

wait(.5)
Idle = game.Workspace.apiiela.HumanoidRootPart
while true do
	wait()
	local modPosition = Vector3.new(script.Parent.Position.X, Idle.Position.Y, Idle.Position.Z)
	script.Parent.Parent:SetPrimaryPartCFrame(CFrame.new(script.Parent.Position, modPosition))
end

This way you restrict the motion on the Y-axis

local modPosition = Vector3.new(Idle.Position.X, script.Parent.Position.Y, Idle.Position.Z)
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