postreh

w,h = term.getSize()
term.setBackgroundColor(colors.black)
term.setTextColor(colors.gray)


local x = 0;
local y = 0;
local x0 = 0;
local y0 = 1;
local time1 = os.date("%S")
local time2 = 0


function generator()
term.setCursorPos(1,5)

for i =1,x do
term.setCursorPos(i+1,5)
write"-"
end

y0 = math.random(1, y)
x0 = math.random(1, x)

for i =1,y do
    for o =1,x do
    term.setCursorPos(o+1,i+5)
    write"O"
    end
end

term.setCursorPos(x0+1,y0+5)
write"0"

for i =1,x do
term.setCursorPos(i+1,y+6)
write"-"
end


term.setCursorPos(1, y+8)
time1 = os.date("%S")

     while true do

        local event, button, xv, yv = os.pullEvent()

        if event == "key" and button == keys.q then
        term.clear()
        term.setCursorPos(1,1)
        error()
        end

        if event == "mouse_click" and button == 1 and x>1 then
        term.setCursorPos(1, h-5)
        yvv = yv-5
        write("x:"..xv)
        print(", y:"..yvv)
        write("x0:"..x0)
        print(", y0:"..y0)

        end

term.setCursorPos(1, h-4)

        if event == "mouse_click" and button == 1 and x > 1 and xv-1 == x0 and yv-5 == y0 then
        term.setCursorPos(1, y+8)
            print("uspech")
            konec()
        elseif event == "mouse_click" and button == 1 and x > 1 then
            term.setTextColor(colors.red)
            term.setCursorPos(xv,yv)
            write"O"
            term.setTextColor(colors.gray)
            term.setCursorPos(1, y+8)
            print"neuspech"
            konec()
        end
    end

end

function konec()
time2 = os.date("%S")
cas = time2-time1
if (cas <0) then cas = 60 + cas end
term.setCursorPos(1, h-3)
print("cas: "..cas.."s")
print("Opakovat? [y/n]")

term.setTextColor(colors.green)
term.setCursorPos(x0+1,y0+5)
write"0"
term.setTextColor(colors.gray)

term.setCursorPos(1, h-1)
     while true do
            local event, button, xv, yv = os.pullEvent()

            if event == "key" and (button == keys.enter or button == keys.y or button == keys.numEnter) then
                term.clear()
                sleep(0.5)
                generator()
            elseif event == "key" and button == keys.n then
                error()
        end
    end
end


function zadani()
term.clear()
term.setCursorPos(2,2)
write"Pocet sloupcu: "
x = tonumber(read())
if x == nil then x = 120 end
term.setCursorPos(2,3)
write"Pocet radku: "
y = tonumber(read())
if y == nil then y = 40 end
generator()
end

zadani()