N en raya alpha

functions={}

match={}
match[1] = {n = 3,turn = 1,x = 100,y = 50, w = 20, h = 20, sel = {image = image.create(20, 20, color.new(255,255,255,125) ), x = 1, y = 1},J={}}
match[1].table = {
{"","",""},
{"","",""},
{"","",""}
}
match[1].J[1] = {string = "x", image = image.create(match[1].w, match[1].h, color.new(255,0,0) ) }
match[1].J[2] = {string = "o", image = image.create(match[1].w, match[1].h, color.new(0,0,255) ) }

function functions.next_turn(array)
    array.turn = array.turn + 1 if array.turn > #array.J then array.turn = 1 end
end

function functions.draw_match(array)
    for y = 1, #array.table do
        for x = 1, #array.table[y] do
            for i = 1, #array.J do
                if array.table[y][x] == array.J[i].string then
                    array.J[i].image:blit(array.x + (x-1)*array.w, array.y + (y-1)*array.h)
                end
            end
        end
    end
end

function functions.draw_match_contorn(array,colore)
    draw.rect( array.x, array.y , #array.table * array.w, #array.table[1] * array.h, ( array.colore or color.new(255,255,255) ) )
end

function functions.move_selector(array)
    if controls.press("up") then
        array.sel.y = array.sel.y - 1; if array.sel.y < 1 then array.sel.y = #array.table end
    end
    if controls.press("down") then
        array.sel.y = array.sel.y + 1; if array.sel.y > #array.table then array.sel.y = 1 end
    end
    if controls.press("left") then
        array.sel.x = array.sel.x - 1; if array.sel.x < 1 then array.sel.x = #array.table[1] end
    end
    if controls.press("right") then
        array.sel.x = array.sel.x + 1; if array.sel.x > #array.table[1] then array.sel.x = 1 end
    end
end

function functions.print_selector(array)
    array.sel.image:blit( array.x + (array.sel.x - 1)*array.w, array.y + (array.sel.y - 1)*array.h)
end

function fb(array,x,y)
    if  x <= #array.table[1] and y <= #array.table
    and x >= 1 and y >= 1 then return true else return false end
end



function functions.check(array)
    local cont = {}
    cont.hor_right = 1;
    cont.hor_left = 1;
    cont.ver_up = 1;
    cont.ver_down = 1;
    cont.dia_up_inc = 1;
    cont.dia_up_dec = 1;
    cont.dia_down_inc = 1;
    cont.dia_down_dec = 1;
    local s = ""
    for y = 1 , #array.table do
        for x = 1, #array.table[y] do
            if array.table[y][x] != "" then
                s = array.table[y][x]
                for i = 1, array.n do
                    if fb(array,x+i,y) and array.table[y][x+i] == s then cont.hor_right = cont.hor_right+1 end
                    if fb(array,x,y+i) and array.table[y+i][x] == s then cont.ver_down = cont.ver_down+1 end
                    if fb(array,x-i,y) and array.table[y][x-i] == s then cont.hor_left = cont.hor_left+1 end
                    if fb(array,x,y-i) and array.table[y-i][x] == s then cont.ver_up = cont.ver_up+1 end
                    if fb(array,x+i,y-i) and array.table[y-i][x+i] == s then cont.dia_up_dec = cont.dia_up_dec + 1 end
                    if fb(array,x-i,y-i) and array.table[y-i][x-i] == s then cont.dia_up_inc = cont.dia_up_inc + 1 end
                    if fb(array,x+i,y+i) and array.table[y+i][x+i] == s then cont.dia_down_inc = cont.dia_down_inc + 1 end
                    if fb(array,x-i,y+i) and array.table[y+i][x-i] == s then cont.dia_down_dec = cont.dia_down_dec+1 end
                end
                if cont.hor_right >= array.n then return s end cont.hor_right = 1;
                if cont.hor_left >= array.n then return s end cont.hor_left = 1;
                if cont.ver_up >= array.n then return s end cont.ver_up = 1;
                if cont.ver_down >= array.n then return s end cont.ver_down = 1;
                if cont.dia_up_inc >= array.n then return s end cont.dia_up_inc = 1;
                if cont.dia_down_inc >= array.n then return s end cont.dia_down_inc = 1;
                if cont.dia_up_dec >= array.n then return s end cont.dia_up_dec = 1;
                if cont.dia_down_dec >= array.n then return s end cont.dia_down_dec = 1;
            end
        end
    end
end


function functions.check_winner(s,array)
for i = 1, #array.J do
    if array.J[i].string == s then return i end
end
return false
end

function functions.fill_match(array)
    local winner = functions.check(array)
    if  winner != nil then
        os.message("Player "..functions.check_winner(winner,array).." wins.")
        reset()
    end
    if controls.press("cross") then
        if array.table[array.sel.y][array.sel.x] == "" then
            array.table[array.sel.y][array.sel.x] = array.J[array.turn].string
            functions.next_turn(array)
        end
    end
end

------
function reset()
    match[1].table = {
        {"","",""},
        {"","",""},
        {"","",""}
        }
end
while true do
controls.read()

functions.draw_match(match[1])
functions.draw_match_contorn(match[1], color.new(0,255,0))
functions.move_selector(match[1])
functions.print_selector(match[1])
----------
match[1].J[match[1].turn].image:blit(5,5)


if controls.r() then
    reset()
end

if math.abs(controls.analogx()) > 40 then match[1].x = match[1].x + controls.analogx()/40 end
if math.abs(controls.analogy()) > 40 then match[1].y = match[1].y + controls.analogy()/40 end
if controls.start() then match[1].x = 100 match[1].y = 50 end
if controls.select() then a() end
screen.flip()
functions.fill_match(match[1])
end