Texture applied to Union gets stretched sometimes

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#1

I am creating pseudorandom backrooms and all of the walls union to prevent texture overlapping issues, I thought it was working at first but after a few runs the texture started getting stretched. Is this an issue with UnionOperations or my code? I’ve tried adding wait() here and there but I had no success.

Script:

--<< NotFrindow >>--

local startingPoint = Vector3.new(0, 0, 0)
local tilesGenerated = false

local tiles = game:GetService("ServerStorage").Tiles:GetChildren()

function resetStorageTilesPos()
	for i, tile in pairs(tiles) do
		tile.PrimaryPart.CFrame = CFrame.new()
	end
end

resetStorageTilesPos()

function generateTiles(startingPoint : Vector3, tileX : number, tileY : number)
	local previousTile = nil
	local walls = {}
	local floors = {}
	local roofs = {}
	for currentTileY = 1, tileY do
		for currentTileX = 1, tileX do
			local randomTile = tiles[math.random(1, #tiles)]:Clone()
			randomTile.Name = currentTileX .. " " .. currentTileY
			if currentTileX == 1 or currentTileY == 1 then
				spawn(function()
					repeat
						wait()
					until tilesGenerated
					randomTile:Destroy()
				end)
			end
			randomTile.Parent = workspace.Map.Tiles
			print(currentTileX * 20)
			randomTile.PrimaryPart.CFrame = 
				(randomTile.PrimaryPart.CFrame +
					Vector3.new(startingPoint.X + (currentTileX * 19),
						startingPoint.Y,
						startingPoint.Z + (currentTileY * 19)))
			wait()
			for i, wall in pairs(randomTile:GetChildren()) do
				if string.find(wall.Name, "Wall") then
					wall.Anchored = true
					table.insert(walls, wall)
				end
			end
			for i, floor in pairs(randomTile:GetChildren()) do
				if string.find(floor.Name, "Floor") then
					floor.Anchored = true
					table.insert(floors, floor)
				end
			end
			for i, roof in pairs(randomTile:GetChildren()) do
				if string.find(roof.Name, "Roof") then
					roof.Anchored = true
					table.insert(roofs, roof)
				end
			end
			previousTile = randomTile
		end
	end
	
	local function union(startingPart, otherParts, name)
		spawn(function()
			local startingPart = otherParts[1]
			table.remove(otherParts, 1)
			local union : UnionOperation = startingPart:UnionAsync(otherParts)
			union.Parent = workspace.Map
			union.Name = name
			union.Anchored = true

			wait()

			for i, thing in pairs(otherParts) do
				thing:Destroy()
			end
			wait(1)
			for i, texture in pairs(game:GetService("ServerStorage").Textures[name]:GetChildren()) do
				texture.Parent = union
			end
		end)
	end
	
	union(walls[1], walls, "wall")
	union(floors[1], floors, "floor")
	union(roofs[1], roofs, "roof")
	tilesGenerated = true
end

generateTiles(Vector3.new(0, 0, 0), 5, 5)
#2

Hmm, not sure what’s happening, maybe you need to adjust the studspertile on the textures once its on the union

#3

I’ve already tried that, decreasing them just makes the lines width decrease.

#4

You could try this code:

--<< NotFrindow >>--

local startingPoint = Vector3.new(0, 0, 0)
local tilesGenerated = false

local tiles = game:GetService("ServerStorage").Tiles:GetChildren()

function resetStorageTilesPos()
    for i, tile in pairs(tiles) do
        tile.PrimaryPart.CFrame = CFrame.new()
    end
end

resetStorageTilesPos()

function generateTiles(startingPoint: Vector3, tileX: number, tileY: number)
    local walls = {}
    local floors = {}
    local roofs = {}
    
    for currentTileY = 1, tileY do
        for currentTileX = 1, tileX do
            local randomTile = tiles[math.random(1, #tiles)]:Clone()
            randomTile.Name = currentTileX .. " " .. currentTileY
            
            if currentTileX == 1 or currentTileY == 1 then
                spawn(function()
                    repeat
                        wait()
                    until tilesGenerated
                    randomTile:Destroy()
                end)
            end
            
            randomTile.Parent = workspace.Map.Tiles

            local tilePosition = Vector3.new(
                startingPoint.X + (currentTileX - 1) * currentTileX,
                startingPoint.Y,
                startingPoint.Z + (currentTileY - 1) * currentTileY 
            )
            
            randomTile.PrimaryPart.CFrame = randomTile.PrimaryPart.CFrame + tilePosition

            
            for i, wall in pairs(randomTile:GetChildren()) do
                if string.find(wall.Name, "Wall") then
                    wall.Anchored = true
                    table.insert(walls, wall)
                end
            end
            
            for i, floor in pairs(randomTile:GetChildren()) do
                if string.find(floor.Name, "Floor") then
                    floor.Anchored = true
                    table.insert(floors, floor)
                end
            end
            
            for i, roof in pairs(randomTile:GetChildren()) do
                if string.find(roof.Name, "Roof") then
                    roof.Anchored = true
                    table.insert(roofs, roof)
                end
            end
        end
    end
    
    local function union(startingPart, otherParts, name)
        spawn(function()
            local union : UnionOperation = startingPart:UnionAsync(otherParts)
            union.Parent = workspace.Map
            union.Name = name
            union.Anchored = true

            wait()

            for i, thing in pairs(otherParts) do
                thing:Destroy()
            end
        end)
    end

    union(walls[1], walls, "wall")
    union(floors[1], floors, "floor")
    union(roofs[1], roofs, "roof")
    tilesGenerated = true
end

generateTiles(Vector3.new(0, 0, 0), 5, 5)
#5

What was changed?‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎

#6

I changed the tile positions in the script.