local oldw = term.write
local x,y = term.getSize()

function term.write(txt)
	term.setTextColor(2^math.random(1, 16)/2)
	return oldw(txt)
end

local function cPrint(text)
	x2,y2 = term.getCursorPos()
	term.setCursorPos(math.ceil((x / 2) - (text:len() / 2)), y2)
	write(text.. "\n")
end

function drawBox()
	term.setBackgroundColour( colors.red )
	term.setCursorPos(1,3)
	cPrint("+----Welcome-----+")
	cPrint("| Rainbow Virus  |")
	cPrint("|   Loaded :D    |")
	cPrint("|                |")
	cPrint("|The gayest virus|")
	cPrint("|      ever      |")
	cPrint("|      :D:D      |")
	cPrint("+----------------+")
	term.setBackgroundColour( colors.black )
end

term.setBackgroundColour( colors.blue )
term.clear()
drawBox()
sleep(1)
term.setBackgroundColour( colors.black )
while true do
	for i=1,100 do
		term.setCursorPos( math.random( x ), math.random( y ) )
		write( math.random( 9 ) )

		drawBox()
	end
	sleep(0)
end