Region3 not detecting parts properly

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#1

i am working on a game with a tree growing system (kinda like the one from lumber tycoon2) and i want to make it so the trees cannot grow next to each other. it kinda works but sometimes it doesnt
picture:

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here is the script im using: also im using a rotated region3 module because its easier. you just put the cframe and size, but i have tried using the normal one and the issue was still there. i have tried visualizing the region3 as a part to see if its in place, and yes it is. could it be a roblox glitch or am i doing something wrong?

local region = RR3.new(regionPart.CFrame,Vector3.new(moduledrzewa.dystansodinnychdrzew*2,moduledrzewa.dystansodinnychdrzew*2,moduledrzewa.dystansodinnychdrzew*2))
	regionPart:Destroy()
	local parts = region:FindPartsInRegion3()
	local canGrow = true
	for i,v in pairs(parts) do
		if v.Name == "Drewno" then
			canGrow = false
		end
	end
	if canGrow == true then
-- this is where the sappling spawns.
#2

Might wanna add a print(v.Name) so you can find out if any part is actually being detected. Also remember that there are two arguments in the FindPartsInRegion3(), “IgnoreInstance” (if you don’t need it, just set it to nil and it should work) and “MaxParts” (the default is 20). If some parts are being detected, then try making the MaxParts argument higher, like 50-60+, adjust it until it works fine.

#3

If you know their max size you can do this number theory trick where their position is the modulo of their size

#6

still havent found a solution to this day. Any help appreciated.