Mapass sambpel

imagen = {w = 15,h=15}
    imagen[1] = image.create(imagen.w,imagen.h,color.new(255,0,0))
    imagen[2] = image.create(imagen.w,imagen.h,color.new(0,255,0))


mapa = {x = 0,actual = 1}
    mapa[1] = {
                {"1","2","2","2","2","2","2","2","2","2","2","1"},
                {"1","2","2","2","2","2","2","2","2","2","2","1"},
                {"1","2","2","2","2","2","2","2","2","2","2","1"},
                {"1","2","2","2","2","2","2","2","2","2","2","1"},
                {"1","2","2","2","2","2","2","2","2","2","2","1"},
                {"1","2","2","2","2","2","2","2","2","2","2","1"},
                {"1","2","2","2","2","2","2","2","2","2","2","1"},
                {"1","2","2","2","2","2","2","2","2","2","2","1"},
                {"1","1","1","1","1","1","1","1","1","1","1","1"}
            }
    mapa.y = 272-(#mapa[mapa.actual]*imagen.h)


function mapa.blit()
    for y = 1, #mapa[mapa.actual] do
        for x = 1, #mapa[mapa.actual][y] do
            imagen[tonumber(mapa[mapa.actual][y][x])]:blit(mapa.x + (x-1)*imagen.w, mapa.y + (y-1)*imagen.h)
        end
    end
end

while true do
    controls.read();

    if controls.right() then mapa.x = mapa.x +1 end
    if controls.left() then mapa.x = mapa.x -1 end

    mapa.blit();

    if controls.select() then broke(); end
    screen.flip();
end