ShipWars 1.0 [BROKEN]

local score=0
local oScore=0
local lasers={}
local xSize, ySize= term.getSize()
local yLimit1=2
local yLimit2=ySize-4
local xLimit1=1
local xLimit2=xSize-3
local derp=string.rep(" ", xSize)

--[[
print(xLimit1)
print(xLimit2)
print(yLimit1)
print(yLimit2)
sleep(1)
--]]

local function cPrint(text)
local w,h=term.getSize()
local x,y=term.getCursorPos()
term.setCursorPos(math.ceil((w + 1)/2 - text:len()/2), y)
print(text)
return true
end

local function doLasers()
while true do
for k,v in pairs(lasers) do
if (v.x==xLimit2 and v.direction==1) or (v.x==xLimit1 and v.direction==-1) then
table.remove(lasers,k)
elseif (v:rCollidesWith(player) and v.direction==-1) then oScore=oScore+1 return true
elseif (v:rCollidesWith(Tplayer) and v.direction==1) then score=score+1 return true
else
v.x=v.x+v.direction
end
end
os.pullEventRaw("game")
end
end

local function shootLaser(n)
if n==1 then
local laser=gameutils.loadSprite("/laser.nfp", player.x+3, player.y+7)
laser.direction=1
else
local laser=gameutils.loadSprite("/laser.nfp", Tplayer.x+3, Tplayer.y-10)
laser.direction=-1
end
table.insert(lasers,laser)
end


os.loadAPI("gameutils")
local player=gameutils.loadSprite("/ship.nfp", 1,2 )
local Tplayer=gameutils.loadSprite("/ship2.nfp",xSize-5,2)
gameutils.initializeBuffer()
function drawplayers()
while true do
local color=colors.black
gameutils.clearBuffer(color)
gameutils.writeToBuffer(player)
gameutils.writeToBuffer(Tplayer)
for k,v in pairs(lasers) do
gameutils.writeToBuffer(v)
end
gameutils.drawBuffer()
term.setCursorPos(1,1)
term.setBackgroundColor(colors.gray)
print(derp)
term.setCursorPos(1,1)
term.setTextColor(1)
cPrint(score.." to "..oScore)
os.pullEventRaw("game")
end
end
local function moveplayers()
while true do
local event, key=os.pullEventRaw("key")
if key==keys.w then
if player.y > yLimit1 then
player.y=player.y-1
end
elseif key==keys.s then
if player.y < yLimit2 then
player.y=player.y+1
end
elseif key==keys.up then
if Tplayer.y > yLimit1 then
Tplayer.y=Tplayer.y-1
end
elseif key==keys.down then
if Tplayer.y < yLimit2 then
Tplayer.y=Tplayer.y+1
elseif key==82 then
shootlaser(2)
elseif key==keys.d then
shootlaser(1)
end
end
end
end
local function update()
while true do
os.queueEvent("game")
sleep(0.05)
end
end
local function displayScore()
term.clear()
term.setBackgroundColor(colors.red)
for i=1, ySize do
term.setCursorPos(i,1)
print(derp)
end
term.setTextColor(white)
term.setCursorPos(1,math.floor(ySize/2))
cPrint(score.." to "..oScore)
end
while true do
parallel.waitForAny(moveplayers, drawplayers, doLasers, update)
displayScore()
if (oScore>=7) or (score>=7) then
break
end
end