FlameWars v1

--welcum to dah gaym cawld flame wars
--in flawm warz, you r dah roflcoptah in dah plaic wit
--peepl skidiven an u haz roflcoptah bullet dat go pew
--pew an u shoot dem innocent skydivzerz dat r falzing
--or u can go below dem and dey fawll into der bladez,
--den dey get chopper upped andz u get pointz
--
--enjoi playin!

local heliPosition = 4
local helicopter1 = [[
L
O             :LOL:ROFL:ROFL:
L\\        _____I____
   =========    |  |[\
           \____o==___)
          ___I_I__/
]]
local helicopter2 = [[

LOL  ROFL:ROFL:LOL:
 \\        _____I____
   =========    |  |[\
           \____o==___)
          ___I_I__/
]]

local enemy = [[
 ___
(   )
 \o/
  |
 / \
]]

local background1 = "                                                                                     __________                                        "
local background2 = "              _______              ______________                                   /          \\                                       "
local background3 = "         ____/       \\        ____/___________   \\      __         ________       _/   ___      \\________              __________      "
local background4 = "________/             \\______/                \\___\\____/  \\_______/        \\_____/    /   \\              \\____________/          \\_____"


local bullet = "-"
local helicopter = 1
local kills = 1
local scroll = 1
local x,y = term.getSize()
local bulletX = {}
local bulletY = {}
local enemies = {}

heliSpin = os.startTimer(0.6)
heliBullet = os.startTimer(0.5)
while true do
    levelString = "Points: " ..kills.. " "
    term.clear()
    term.setCursorPos(scroll, y-4)
    print(string.sub(background1, scroll, x+scroll-2))
    print(string.sub(background2, scroll, x+scroll-2))
    print(string.sub(background3, scroll, x+scroll-2))
    print(string.sub(background4, scroll, x+scroll-2))
    for i=1,#bulletX do
        term.setCursorPos(bulletX[i], bulletY[i])
        write(bullet)
    end
    term.setCursorPos(x-#levelString, 1)
    write(levelString)
    term.setCursorPos(1, heliPosition)
    if helicopter == 1 then
        print(helicopter1)
    else
        print(helicopter2)
    end
    local event, key = os.pullEvent()
    if event == "key" then
        if key == keys.up then
            if heliPosition ~= 4 then
                heliPosition = heliPosition - 1
            end
        elseif key == keys.down then
            if heliPosition ~= 6 then
                heliPosition = heliPosition + 1
            end
        elseif key == keys.space then
            bulletID = #bulletX+1
            bulletX[bulletID] = 25
            bulletY[bulletID] = heliPosition + 4
        end
    elseif event == "timer" then
        if key == heliSpin then
            if helicopter == 1 then
                helicopter = 2
            else
                helicopter = 1
            end
            scroll = scroll+1

            heliSpin = os.startTimer(0.6)
        elseif key == heliBullet then
            _bulletX = {}
            _bulletY = {}
            local workingBullets = 1
            for i=1,#bulletX do
                bulletX[i] = bulletX[i] +1
                if bulletX[i] ~= x-1 then
                    _bulletX[workingBullets] = bulletX[i]
                    _bulletY[workingBullets] = bulletY[i]
                    workingBullets = workingBullets+1
                end
            end
            bulletX = _bulletX
            bulletY = _bulletY

            heliBullet = os.startTimer(0.5)
        end
    end
end