tick60 = createfs(tick60, "30", section * 4)

-- Smooth out the velocity of the icon by using parabolic motion and make the velocity ending/starting a section the same.
-- Assuming a final velocity of -1.2025 at remain = 0, we have the following accelerations (times, velocities): (u = 2/t - v) & (a = (v-u)/t)
-- (0,-1.2025) a=-0.405 (remain=1,u=-0.765) -0.2975 (3,-0.2025) -0.0170408 (10,-0.083214) -0.0033214 (30,-0.016786) -0.0001261 (120,-0.0054365) -1.0582E-05 (360,-0.0028968)
-- Using s = u*t + 0.5*a*t^2 we can then get the distance in each section. t = (endsectiontime - remain), eg t = 360 - remain for the rightmost section.
-- position = x + u * (endtime - remain) + 0.5 * a * (endtime - remain) ^ 2   (where x = section number we are in)
-- position = (x + (u + 0.5 * a * endtime)*endtime) + remain * (-u - a * endtime + 0.5 * a * remain)
-- position = C + remain * (B + A * remain) where: C = x + (u + 0.5 * a * endtime)*endtime, B = -u - a * endtime, A = 0.5 * a
local function OnUpdate(this, a1, ctime, dofl)
	elapsed = elapsed + a1
	if elapsed < throt then return end
	elapsed = 0
	
	if #cooldowns == 0 then
		if not CoolLine.unlock then
			self:SetScript("OnUpdate", nil)
			self:SetAlpha(db.inactivealpha)
		end
		return
	end
	
	ctime = ctime or GetTime()
	if ctime > ptime then
		dofl, ptime = true, ctime + 0.4
	end
	isactive, throt = false, 1.5
	for index, frame in pairs(cooldowns) do
		local remain = frame.endtime - ctime
		if remain < 3 then
			if remain > 1 then
				SetupIcon(frame, section * (0.05375 + remain * (1.095 - 0.14875 * remain)), 0.01, true, dofl)  -- 2 + (-0.2025 + 0.5 * -0.2975 * 3) * 3 + remain * (0.2025 - -0.2975 * 3 + 0.5 * -0.2975 * remain)
			elseif remain > 0.3 then
				SetupIcon(frame, section * (0.0 + remain * (1.2025 - 0.2025 * remain)), 0, true, dofl)
			elseif remain > 0 then
				local size = iconsize * (0.5 - remain) * 5  -- iconsize + iconsize * (0.3 - remain) / 0.2
				frame:SetWidth(size)
				frame:SetHeight(size)
				SetupIcon(frame, section * (0.0 + remain * (1.2025 - 0.2025 * remain)), 0, true, dofl)
			elseif remain > -1 then
				SetupIcon(frame, 0, 0, true, dofl)
				frame:SetAlpha(1 + remain)  -- fades
			else
				throt = (throt < 0.2 and throt) or 0.2
				isactive = true
				ClearCooldown(frame)
			end
		elseif remain < 10 then
			SetupIcon(frame, section * (1.315816 + remain * (0.25362245 - 0.008520408 * remain)), remain > 4 and 0.02 or 0.01, true, dofl)  -- 2 + (remain - 3) / 7
		elseif remain < 30 then
			SetupIcon(frame, section * (2.001786 + remain * (0.11642857 - 0.001660714 * remain)), 0.05, true, dofl)  -- 3 + (remain - 10) / 50
		elseif remain < 120 then
			SetupIcon(frame, section * (3.439683 + remain * (0.02056878 - 6.30511E-05 * remain)), 0.1, true, dofl)  -- 4 + (remain - 60) / 60
		elseif remain < 360 then
			SetupIcon(frame, section * (4.271429 + remain * (0.00670635 - 5.29101E-06 * remain)), 0.5, true, dofl)  -- 5 + (remain - 120) / 240
			frame:SetAlpha(1)
		else
			SetupIcon(frame, 6 * section, 2, false, dofl)
		end
	end
	if not isactive and not CoolLine.unlock then
		self:SetAlpha(db.inactivealpha)
	end
end

CoolLine:UnregisterAllEvents()
CoolLine:SetScript("OnUpdate",nil)
CoolLine:Hide()

CoolLine:PLAYER_LOGIN()
CoolLine:PLAYER_ENTERING_WORLD()
CoolLine.spellthrot:SetScript("OnUpdate",CoolLine.spellthrot.onupdate)