Tweening Grid

local function createTile(vec3, n1, n2, parent)
    local newTile = script:WaitForChild("Tile"):Clone()
    newTile.Position = vec3
    local nameTS = "Tile"..n1..n2
    newTile.Name = nameTS
    newTile.Highlight.Visible = true
    newTile.Parent = parent
    local tween = tweenService:Create(newTile, gridInfo, {Size = Vector3.new(gS,0.05,gS)})
    tween:Play()
    tiles[#tiles+1] = newTile
end

local function createGrid(floor, grid)
    local xs = floor.Size.X
    local zs = floor.Size.Z

    local xp = floor.Position.X
    local zp = floor.Position.Z
    local yp = floor.Position.Y

    local gridSize

    if not grid then
        gridSize = 3
    else
        gridSize = grid
    end

    local xVals = {}
    local zVals = {}

    for zVec = zs, gridSize, -gridSize do
        zVals[#zVals+1] = zVec
    end

    for xVec = xs, gridSize, -gridSize do
        xVals[#xVals+1] = xVec
    end

    for n,xv in pairs(xVals) do
        for i,zv in pairs(zVals) do
            local newVec = Vector3.new((xp - (xs / 2)) + xv - (gridSize / 2), (yp * 2) + 0.05, (zp - (zs / 2)) + zv - (gridSize / 2))
            createTile(newVec, n, i, floor)
        end
    end
end

local function removeGrid()
    for num = 1,#tiles do
        coroutine.wrap(function()
            local tween = tweenService:Create(tiles[num],tweenInfo,{Size = Vector3.new(0.05,0.05,0.05)})
            tween:Play()
            tween.Completed:Wait()
            tiles[num]:Destroy()
            tiles[num]=nil
        end)()
    end
end