Raycast only works when clicking

[christofferlt (Chris)]

i have a modulescript with a function Placement.Raycasy, wich is used by 2 locl script. But the thing is that it only works when/before a mouse click, keep in mind my first local script fires the function when inout started `function InputStarted(input, gameProcessed)
if gameProcessed then return end

if input.UserInputType == Enum.UserInputType.MouseButton1 then
	
	SelectedInRaycast = Placement.Raycast() -- this thing!!!!!
	Placement.Drag_Window(window)
	
elseif input.KeyCode == Enum.KeyCode.E then
	SelectedUnits_InField = nil
end

end`

But when i try to fire the function in a renderStepped loop my raycast returns nil

connection = RunService.RenderStepped:Connect(function(dt)
	
	local result = Placement.Raycast()
	
	if result and result.Instance:IsDescendantOf(workspace.Match_Map.Robloxia.Tiles) then
		print("clicked on tile :3")
	end
	
	if BuildingMode == false then
		connection:Disconnect()
	end
end)

i also tried an event based of mousebutton click in the same script wich worked.

Here is the function

function placement.Raycast()
	
	cam = workspace.CurrentCamera
	
	local mousePosition = UIS:GetMouseLocation()

	local mouseRay = cam:ScreenPointToRay(mousePosition.X,mousePosition.Y)
	local raycastParams = RaycastParams.new()

	raycastParams.FilterType = Enum.RaycastFilterType.Blacklist
	raycastParams.FilterDescendantsInstances = {workspace.Match_Map.Robloxia.Map_Dimentions}
	
	local raycastResult = workspace:Raycast(mouseRay.Origin, mouseRay.Direction * 1000, raycastParams)
	print(raycastResult)
	return raycastResult
end

type or paste code here

[christofferlt (Chris)]

Nvm i solved it by replacing renderstepped with heartbeat. This works as i tried to do a raycast before rendering