Number effect bug

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#1 
local function interpolate(a, b, lab)
	local diff = b - a
	print(diff)
	if diff > 5 then
		for t=0, 1, 1/30 do
			
				local money = a + (b-5-a)*t
				
				lab.Text = tostring(math.round(money))
				task.wait()
				
			
		end
		task.wait(0.02)
		lab.Text = tostring(math.round(b-4))
			
		task.wait(0.05)
		lab.Text = tostring(math.round(b-3))
		task.wait(0.1)
		lab.Text = tostring(math.round(b-2))
		task.wait(0.15)
		lab.Text = tostring(math.round(b-1))
		task.wait(0.2)
		lab.Text = tostring(b)
	elseif diff < -5 then
		for t=0, 1, 1/30 do

			local money = a + (b-5-a)*t
			
			lab.Text = tostring(math.round(money))
			task.wait()


		end
		task.wait(0.02)
		lab.Text = tostring(math.round(b+4))

		task.wait(0.05)
		lab.Text = tostring(math.round(b+3))
		task.wait(0.1)
		lab.Text = tostring(math.round(b+2))
		task.wait(0.15)
		lab.Text = tostring(math.round(b+1))
		task.wait(0.2)
		lab.Text = tostring(b)
	else
		for t=0, 1, 1/60 do

			local money = a + (b-a)*t
			
			lab.Text = tostring(math.round(money))
			task.wait()


		end
	end
end

FIrst one is good, second one is the bug

TLDR when the stat value gets changed too quickly, causes the function to bug

#2

Instead of calling the function three separate times, have you tried just calling it once with the overall change?

#3

yeah, I could, but the issue is, this is just the egg system, in other parts of the game like farming, they gain/lose the currency faster in faster than 0.5 seconds(the time the effect takes)

#4

Here’s my method. This will allow you to change the value using the setGoal() function and it will always smoothly reach the goal value.

I haven’t tested any of this code I just wrote it in devforum.

local smoothness = 0.8 -- Affects transition speed, lower is faster (0 - 1)

local rsConnection = nil
local goal = 0
local current = 0

-- Smoothly updates the text.
function step()
	-- Update current variable based on smoothness.
	current = goal * (1 - smoothness) + current * smoothness
	
	if math.abs(current - goal) < 1 then -- Close to goal.
		current = goal -- Set to goal.
		-- Stop updater.
		rsConnection:Disconnect()
		rsConnection = nil
	end
	
	-- Update text.
	lab.Text = tostring(math.round(current))
end


-- Sets the goal value, starts updater.
function setGoal(v)
	goal = v
	if not rsConnection then -- Updater isn't running, start it.
		rsConnection = game:GetService("RunService").RenderStepped:Connect(step)
	end
end