The Irritating Game

-- The Irritating Game, By Symmetryc

-- Change the variables to your liking.
local screen = {}
local c = {}
c.back = colors.yellow
c.b = colors.lightBlue
local b = {}
b[1] = {x=math.random(3, 49),y=5,vx=1,vy=-1,h=1,h2=9}
b[2] = {x=math.random(3, 49),y=15,vx=-1, vy=-1,h=11,h2=18}
b[3] = {x=25,y=10,w=5}
b[4] = {x=25,y=19,w=5}
local speed = 0.6
local intspeed = 0.9
local fps = 0.6
local key = {"j","k","d","f"}
local count = 0

local reset = function()
    for i=0, 51 do
        screen[i] = {}
        for i2=1, 19 do
            screen[i][i2] = false
        end
    end
end
local draw = function()
    reset()
    for i=1, 2 do
        screen[b[i].x][b[i].y] = i
    end
    for i=3, 4 do
        for i2=b[i].x-((b[i].w-1)/2), b[i].x+((b[i].w-1)/2) do
            screen[i2][b[i].y] = i
        end
    end
    for i=1, 51 do
        for i2=1, 19 do
            term.setCursorPos(i, i2)
            term.setBackgroundColor(screen[i][i2] and c.b or c.back)
            write(" ")
        end
    end
end
local time = os.clock()
local main = function()
    local id = os.startTimer(speed)
    os.startTimer(fps)
    while true do
        draw()
        term.setCursorPos(1, 1)
        term.setBackgroundColor(c.back)
        term.setTextColor(colors.red)
        write(os.clock()-time)
        local e = {os.pullEvent()}
        if e[1]=="char" then
            local n = (e[2]==key[1] or e[2]==key[2]) and 3 or 4
            local d = ((e[2]==key[1] or e[2]==key[3]) and -1) or ((e[2]==key[2] or e[2]==key[4]) and 1) or 0
            b[n].x = ((b[n].x+d)>=3 and (b[n].x+d)<=49) and b[n].x+d or b[n].x
        elseif e[1]=="timer" and e[2]==id then
            count = count+1
            if count>5 then
                speed = speed*intspeed
                count = 0
            end
            for i=1, 2 do
                if (b[i].x+b[i].vx)>51 or (b[i].x+b[i].vx)<1 then
                    b[i].vx = -b[i].vx
                end
                if (b[i].y+b[i].vy)>b[i].h2 and ((b[i+2].x-(b[i+2].w-1)/2)>b[i].x or (b[i+2].x+(b[i+2].w-1)/2)<b[i].x) then
                    term.setBackgroundColor(colors.black)
                    term.clear()
                    term.setCursorPos(1, 1)
                    error("Your score was: "..(os.clock()-time), 0)
                elseif (b[i].y+b[i].vy)<b[i].h or (b[i].y+b[i].vy)>b[i].h2 then
                    b[i].vy = -b[i].vy
                end
                b[i].x = b[i].vx+b[i].x
                b[i].y = b[i].vy+b[i].y
            end
            id = os.startTimer(speed)
        end
    end
end
main()