Quake III Movement (Roblox Studio)

Lua - Luau

local function Accelerate(wish_direction:Vector3, current_velocity:Vector3, max_accel:number, max_velocity:number, dt:number): Vector3
	if crouched then
		max_velocity = set.Movement.MAX_SPEED[1] * 0.5
		max_accel = set.Movement.MAX_ACCEL[2]
	end
	
	--sv_accelerate
	local proj_vel:number = current_velocity:Dot(wish_direction)
	local accel_vel:number = max_accel * dt

	if (proj_vel + accel_vel > max_velocity) then
		accel_vel = max_velocity - proj_vel end

	return current_velocity + wish_direction * accel_vel
end

local connect_heartbeat: RBXScriptConnection
connect_heartbeat = client.Heartbeat:Connect(function(dt)
    local vecForward,vecRight =
		hrp.CFrame.LookVector * (keyW - keyS),
		hrp.CFrame.RightVector * (keyD - keyA)
		
	wishDirection = vecForward + vecRight
	--Post calculation to fix normalization errors.
	if wishDirection.Magnitude > 0 then
		wishDirection = wishDirection.Unit
	else
		wishDirection = Vector3.new(0, 0, 0)
	end
	
	local currentVelocity = hrp.AssemblyLinearVelocity * Vector3.new(1,0,1)
	local move:Vector3 = Vector3.new(0,0,0)
	
	--friction
	local velmag = currentVelocity.Magnitude
	if velmag ~= 0 and grounded then--avoid dividing by 0.
		local drop = velmag * dt * 7
		currentVelocity *= math.max(velmag - drop, 0) / velmag
	end
	
	move = Accelerate(wishDirection, currentVelocity, set.Movement.MAX_ACCEL[1], (grounded and set.Movement.MAX_SPEED[1] or set.Movement.MAX_SPEED[2]), dt)
end)

Video Demo

Autofishing Macro (F#)

Lua - Luau

--The update() function is disclosed
--However this is the initialization function

function CameraController.Initialize()
    -- Safely reset RenderStopped connection
    -- If exists, disconnect it
    if clientRSC then
        clientRSC:Disconnect()
    end

    -- For debugging
    print("Initializing CameraController")

    -- Connect RenderStepped event to smoothly update camera
    clientRSC = client.RenderStepped:Connect(update)

    -- Internal field to associate camera with player position
    -- The anchor acts as pivot for player
    camera.CameraSubject = script.Anchor

    -- Refresh crosshair reference
    -- Dynamically associated with camera angles
    crosshairGui = player.PlayerGui:WaitForChild("CrosshairGui")
end

Back-end: Modular Cooldown Handler (Roblox Studio)