Im Trying to add a cool blur when a player enters a portal but my script wont work?

I know i could use tweening but im not good at using tweening

local newqui = plr.PlayerGui.Gui

game.Players.PlayerAdded:Connect(function(plr)
	script.Parent.Touched:connect(function(hit)
		 if hit.Parent:FindFirstChild("Humanoid") then
					    newqui.Frame.BackgroundTranseparency = 0.09
                        wait(1.01)
			            newqui.Frame.BackgroundTranseparency =  0.8
                        wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.7
                        wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.6
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.5
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.4
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.3
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.2
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.1
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0
			            wait(3)
			            newqui.Frame.BackgroundTransparency =  1
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.1
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.2
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.3
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.4
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.5
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.6
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.7
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.8
			            wait(1.01)
			            newqui.Frame.BackgroundTransparency =  0.9
			            wait(1.01)
                        newqui.Frame.BackgroundTransparency =  1

 end
end)
end)

local newqui = plr.PlayerGui.Gui

game.Players.PlayerAdded:Connect(function(plr) script.Parent.Touched:connect(function(hit) if hit.Parent:FindFirstChild("Humanoid") then for x = 1,100,1 do newqui.Frame.BackgroundTranseparency = x /100 wait(1.01)

end for x = 100,1,-1 do newqui.Frame.BackgroundTranseparency = x /100 wait(1.01)

end end) end)