How to detect if player leaves region

[Cxdious]

Hello! I’ve been learning region or GetPartsBoundsInBox; it’s useful. However, I am curious on how do I detect if a player left the region? thank you.

local RegionPart = workspace:WaitForChild('Part')

local params = OverlapParams.new()
params.FilterDescendantsInstances = {RegionPart}
params.FilterType = Enum.RaycastFilterType.Exclude
params.MaxParts = 5

while true do
	task.wait()
	local PartsInRegion = workspace:GetPartBoundsInBox(CFrame.new(RegionPart.CFrame.X, RegionPart.CFrame.Y, RegionPart.CFrame.Z), Vector3.new(RegionPart.Size.X, RegionPart.Size.Y, RegionPart.Size.Z), params)
	
	local CharacterTable = {}
	
	for i, part in pairs(PartsInRegion) do
		if part.Parent:FindFirstChildOfClass("Humanoid") and not table.find(CharacterTable, part.Parent) then
			table.insert(CharacterTable, part.Parent)
			print(CharacterTable)
		end
		
	end

	
	params:AddToFilter(CharacterTable)

end

[TaxFraudBruh]

You could check which players are in the region and see if they’re in the CharacterTable. If they aren’t in the region but are in the CharacterTable, they have left.

[Cxdious]

Can I have a script demonstration?

[Den_vers]

This should be pretty easy, just use your current script, but you could preferentially have two tables, the table of the players in the region previously, and create a new table of the current players, compare those two tables, if there’s any players in the table previously that aren’t there now, you know a player left. And you can call a function or do some work. Here’s an example:

local RegionPart = workspace:WaitForChild('Part')

local params = OverlapParams.new()
params.FilterDescendantsInstances = {RegionPart}
params.FilterType = Enum.RaycastFilterType.Exclude
params.MaxParts = 5

local currentCharacters = {}

while task.wait() do
	local PartsInRegion = workspace:GetPartBoundsInBox(CFrame.new(RegionPart.CFrame.X, RegionPart.CFrame.Y, RegionPart.CFrame.Z), Vector3.new(RegionPart.Size.X, RegionPart.Size.Y, RegionPart.Size.Z), params)
	local newCharacters = {}

	for _, part in PartsInRegion do
		if part.Parent:FindFirstChildOfClass("Humanoid") and not table.find(CharacterTable, part.Parent) then
			table.insert(newCharacters, part.Parent)
		end
	end

	for _, oldCharacter in currentCharacters do
		if not table.find(newCharacters, oldCharacter) then
			-- do some work here for the left character
		end
	end

	currentCharacters = newCharacters
end

This code is NOT tested.

[PANDASonNOOB (BurgerNFries)]

dunno if this is applicable here but i think zoneplus has a zone left function

Introduction - ZonePlus

[Cxdious]

I see…lIll go check it out! Thanks for the recommendation!