Making beam effects spin around sword

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#1

I have made beam effects for my sword so it can spin around the sword using one middle part which is welded to all other parts making up the beams.

I’ve made a code that should be spinning the middle part in a 360 motion repeatedly but it doesn’t work.

Code 
local Sword = script.Parent.Parent.Parent.Sword
local Handle = Sword:WaitForChild("Handle")
local Equipped = false

local BeamCurlEffect = nil

local function EquippedSword()
	Equipped = true
	
	BeamCurlEffect = ReplicatedStorage:FindFirstChild("BeamCurlEffect"):Clone()
	BeamCurlEffect.Parent = workspace
	
	while Equipped do 
		RunService.RenderStepped:Wait()
	
		if BeamCurlEffect:FindFirstChild("Middle") then
			BeamCurlEffect.Middle.CFrame = Handle.CFrame
			BeamCurlEffect.Middle.CFrame *= CFrame.fromEulerAnglesXYZ(0,0,0.5)
		end
	end
end

Sword.Equipped:Connect(EquippedSword)

Sword.Unequipped:Connect(function()
	Equipped = false
	
	if BeamCurlEffect then
		BeamCurlEffect:Destroy()
	end
end)

Note: I’ve also tried putting the beams inside the sword but when I rotate the Middle part it just rotates the entire character.

Are there any ways to fix this or any alternatives I can do to accomplish this? any help is appreciated.

#2

Are the attachments of the beam inside the Middle part?

#3

No they’re on each of these parts that are selected. Also the middle part is at the very bottom

image
image425×685 86.7 KB

#4

You could place a single anchored part that holds all of the attachments. Without welds.

My way of doing this would be:

local Sword = script.Parent.Parent.Parent.Sword
local Handle = Sword:WaitForChild("Handle")
local Equipped = false

local currentConnection = nil

local function EquippedSword()
	Equipped = true

	BeamCurlEffect = ReplicatedStorage:FindFirstChild("BeamCurlEffect"):Clone()

	BeamCurlEffect.Parent = workspace

	currentConnection = RunService.Heartbeat:Connect(function()
		-- assuming this is a single part.
		if BeamCurlEffect.Parent then
			BeamCurlEffect.CFrame = Handle.CFrame * CFrame.Angles(0,0,0.5)
		else
			currentConnection:Disconnect()
		end
	end)
end

Sword.Equipped:Connect(EquippedSword)

Sword.Unequipped:Connect(function()
	if BeamCurlEffect then
		BeamCurlEffect:Destroy()
	end
end)
#5

It changes the positions of the attachments when I parent them to the Middle part which messes up the beams

#6

My friend has fixed the problem. Thanks for the response I thought there was little hope in finding a solution for this

#7

Do you think you could share the solution you’ve found? It might help someone in the future if they end up stumbling upon this thread.

#8

Oh I totally forgot about that. What my friend did is that he created a variable called “rot” which stands for rotation and it added +.5 repeatedly in a RunService loop. Also setting the CFrame of the BeamCurlEffect based on rot.

local ReplicatedStorage = game:GetService("ReplicatedStorage")
local RunService = game:GetService("RunService")

local Sword = script.Parent.Parent.Parent.Sword
local Handle = Sword:WaitForChild("Handle")

local Equipped = false

local currentConnection = nil

local function EquippedSword()
	Equipped = true
	BeamCurlEffect = ReplicatedStorage:FindFirstChild("BeamCurlEffect"):Clone()
	BeamCurlEffect.Parent = workspace
	
	local rot = 0
	
	currentConnection = RunService.Heartbeat:Connect(function()
		if BeamCurlEffect.Parent then
			rot += 0.5
			BeamCurlEffect:SetPrimaryPartCFrame(Handle.CFrame * CFrame.Angles(0,0,rot))
		else
			currentConnection:Disconnect()
		end
	end)
end

Sword.Equipped:Connect(EquippedSword)

Sword.Unequipped:Connect(function()
	if BeamCurlEffect then
		BeamCurlEffect:Destroy()
	end
end)
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