ExpandingBeamCylinderEffect.lua

local ExpandingBeamCylinderEffect = {}

local function Lerp(start, goal, alpha) 
	return start * (1 - alpha) + goal * alpha 
end

local function TweenFlameEffectTransparency(effect, endtransparency, duration)
	local alpha = 0
	local t = 0
	while t < duration do
		local dt = game:GetService("RunService").RenderStepped:wait()
		local alpha = t / duration
		t = t + dt
		local lbt = Lerp(effect.LeftBack.Transparency.Keypoints[1].Value, endtransparency, alpha)
		local lft = Lerp(effect.LeftFront.Transparency.Keypoints[1].Value, endtransparency, alpha)
		local rbt = Lerp(effect.RightBack.Transparency.Keypoints[1].Value, endtransparency, alpha)
		local rft = Lerp(effect.RightFront.Transparency.Keypoints[1].Value, endtransparency, alpha)
		effect.LeftBack.Transparency = NumberSequence.new(lbt, lbt)
		effect.LeftFront.Transparency = NumberSequence.new(lft, lft)
		effect.RightBack.Transparency = NumberSequence.new(rbt, rbt)
		effect.RightFront.Transparency = NumberSequence.new(rft, rft)
	end
end

local function TweenFlameEffect(effect, endradius, endwidth, endtransparency, duration)
	local alpha = 0
	local t = 0
	
	game.Debris:AddItem(effect.back, duration)
	game.Debris:AddItem(effect.front, duration)
	game.Debris:AddItem(effect.left, duration)
	game.Debris:AddItem(effect.right, duration)
	game.Debris:AddItem(effect.LeftBack, duration)
	game.Debris:AddItem(effect.LeftFront, duration)
	game.Debris:AddItem(effect.RightBack, duration)
	game.Debris:AddItem(effect.RightFront, duration)
	
	while t < duration do
		local dt = game:GetService("RunService").RenderStepped:wait()
		local alpha = t / duration
		t = t + dt
		effect.back.Position = Vector3.new(0, 0, Lerp(effect.back.Position.Z, endradius, alpha))
		effect.front.Position = Vector3.new(0, 0, Lerp(effect.front.Position.Z, -endradius, alpha))
		effect.left.Position = Vector3.new(Lerp(effect.left.Position.X, endradius, alpha), 0, 0)
		effect.right.Position = Vector3.new(Lerp(effect.right.Position.X, -endradius, alpha), 0, 0)

		effect.LeftBack.CurveSize0 = Lerp(effect.LeftBack.CurveSize0, endradius, alpha)
		effect.LeftFront.CurveSize1 = Lerp(effect.LeftFront.CurveSize1, -endradius, alpha)
		effect.RightBack.CurveSize1 = Lerp(effect.RightBack.CurveSize1, endradius, alpha)
		effect.RightFront.CurveSize0 = Lerp(effect.RightFront.CurveSize0, -endradius, alpha)
		
		effect.LeftBack.Width0 = Lerp(effect.LeftBack.Width0, endwidth, alpha)
		effect.LeftFront.Width0 = Lerp(effect.LeftFront.Width0, endwidth, alpha)
		effect.RightBack.Width0 = Lerp(effect.RightBack.Width0, endwidth, alpha)
		effect.RightFront.Width0 = Lerp(effect.RightFront.Width0, endwidth, alpha)
		effect.LeftBack.Width1 = Lerp(effect.LeftBack.Width1, endwidth, alpha)
		effect.LeftFront.Width1 = Lerp(effect.LeftFront.Width1, endwidth, alpha)
		effect.RightBack.Width1 = Lerp(effect.RightBack.Width1, endwidth, alpha)
		effect.RightFront.Width1 = Lerp(effect.RightFront.Width1, endwidth, alpha)
	end
end

local function TweenFlameEffectAsync(...)
	local t = {...}
	spawn(function()
		TweenFlameEffect(unpack(t))
	end)
end

local function TweenFlameEffectTransparencyAsync(...)
	local t = {...}
	spawn(function()
		TweenFlameEffectTransparency(unpack(t))
	end)
end



local function CreateFlameAoeEffect(parent, color)
	local effect = {}
	effect.StartRadius = 1
	
	effect.back = Instance.new("Attachment")
	effect.front = Instance.new("Attachment")
	effect.left = Instance.new("Attachment")
	effect.right = Instance.new("Attachment")
	
	effect.LeftBack = Instance.new("Beam")
	effect.LeftFront = Instance.new("Beam")
	effect.RightBack = Instance.new("Beam")
	effect.RightFront = Instance.new("Beam")
	
	effect.back.Name = "Back"
	effect.front.Name = "Front"
	effect.left.Name = "Left"
	effect.right.Name = "Right"
	effect.LeftBack.Name = "LeftBack"
	effect.LeftFront.Name = "LeftFront"
	effect.RightBack.Name = "RightBack"
	effect.RightFront.Name = "RightFront"
	
	effect.back.Position = Vector3.new(0, 0, effect.StartRadius)
	effect.front.Position = Vector3.new(0, 0, -effect.StartRadius)
	effect.left.Position = Vector3.new(effect.StartRadius, 0, 0)
	effect.right.Position = Vector3.new(-effect.StartRadius, 0, 0)
	
	for _, beam in pairs({effect.LeftBack,effect.LeftFront,effect.RightBack,effect.RightFront}) do
		beam.Color = ColorSequence.new(color or Color3.fromRGB(255, 59, 0), color or Color3.fromRGB(255, 59, 0))
		beam.LightEmission = 1
		beam.Texture = ""
		beam.TextureSpeed = 0
		beam.TextureMode = Enum.TextureMode.Stretch
		beam.Transparency = NumberSequence.new(0, 0)
		beam.Segments = 10
		beam.Width0 = 10
		beam.Width1 = 10
	end
	
	effect.LeftBack.CurveSize0 = -1
	effect.LeftFront.CurveSize1 = 1
	effect.RightBack.CurveSize1 = -1
	effect.RightFront.CurveSize0 = 1
	
	effect.LeftBack.Attachment0 = effect.back
	effect.LeftFront.Attachment0 = effect.left
	effect.RightBack.Attachment0 = effect.right
	effect.RightFront.Attachment0 = effect.front
	effect.LeftBack.Attachment1 = effect.left
	effect.LeftFront.Attachment1 = effect.front
	effect.RightBack.Attachment1 = effect.back
	effect.RightFront.Attachment1 = effect.right
	
	effect.back.Parent = parent
	effect.front.Parent = parent
	effect.left.Parent = parent
	effect.right.Parent = parent
	effect.LeftBack.Parent = parent
	effect.LeftFront.Parent = parent
	effect.RightBack.Parent = parent
	effect.RightFront.Parent = parent
	return effect
end


local function CastFireCircleEffect(root, endradius, endwidth, endtransparency, duration, color)
	local effect = CreateFlameAoeEffect(root, color)
	local emitter = game.ReplicatedStorage.Particles.LevelUp:Clone()
	emitter.Parent = root
	TweenFlameEffectAsync(effect, endradius, endwidth, endtransparency, duration)
	TweenFlameEffectTransparencyAsync(effect, 1, duration)
	wait()
	emitter:Emit(10)
	game.Debris:AddItem(emitter, duration)
end

ExpandingBeamCylinderEffect.TweenFlameEffectTransparency = TweenFlameEffectTransparency
ExpandingBeamCylinderEffect.TweenFlameEffect = TweenFlameEffect
ExpandingBeamCylinderEffect.TweenFlameEffectAsync = TweenFlameEffectAsync
ExpandingBeamCylinderEffect.TweenFlameEffectTransparencyAsync = TweenFlameEffectTransparencyAsync
ExpandingBeamCylinderEffect.CreateFlameAoeEffect = CreateFlameAoeEffect
ExpandingBeamCylinderEffect.CastFireCircleEffect = CastFireCircleEffect


return ExpandingBeamCylinderEffect