Brick tower

--Example: {x,y,width}
local tower = {}
local x,y,i,w = 1,1,1,3
local delay = 0.1
local MaxX,MaxY = term.getSize()

function Draw()
    term.setTextColour(colors.black)
    term.setBackgroundColour(colors.white)
    term.clear()

    -- Tower
    for i,u in pairs(tower) do
        paintutils.drawLine(u[1],MaxY-u[2], u[1]+u[3],MaxY-u[2], colors.blue)
    end

    --platform
    paintutils.drawLine(x,MaxY-y, x+w,MaxY-y, colors.blue)
end

function Move()
    x = x+i
    if (x+w > MaxX) then
        x = MaxX-w
        i = -1
    elseif (x<1) then
        x = 1
        i = 1
    end
end

function Logic()
    if (#tower == 0) then
        return w
    end

    local last = tower[#tower]
    if (x<last[1]) then
        return w - 1
    elseif((x+w)>(last[1]+last[3])) then
        return w - 1
    end

    return w
end

while (true) do
    parallel.waitForAny(function()
        while(true) do
            if (w <= 0) then
                error("Game Over")
            elseif (y==MaxY) then
                error("Winner!")
            end
            Move()
            Draw()
            sleep(delay)
        end
    end,
    function()
        os.pullEvent("key")
        local nW = Logic()
        table.insert(tower, {x,y,w})
        w = nW
        y = y+1
        x=0
        delay = delay - 0.01
    end
    )
end