modMaze

--Vars you need
function load_vars()
    sX = 1
    sY = 1
    bgcol = 2^math.random(0,15)
    figcol = 2^math.random(0,15)
    pos = {sX, sY}
end

--Imgs you need
function load_imgs()
    lvl1 = paintutils.loadImage("lvl1")
end

--Screen update
function updating()
    paintutils.drawImage(lvl1,1,1)
    pos = {sX,sY}
    term.setCursorPos(pos[1],pos[2])
end

--simple clear function
function clear()
    term.clear()
    term.setCursorPos(1,1)
end

--rendering
function rendering()
    term.setBackgroundColor(bgcol)
    clear()
    updating()
    term.setBackgroundColor(figcol)
    term.write(" ")
end

--button handling
function buttons()
    while true do
    local sEvent, sKey = os.pullEvent("key")
    local oldPosX = sX
    local oldPosY = sY
    if sKey == keys.left and sX >= 2 then
        sX = sX - 1
    end
    if sKey == keys.right and sX <= 50 then
        sX = sX + 1
    end
    if sKey == keys.up and sY >= 2 then
        sY = sY - 1
    end
    if sKey == keys.down and sY <= 18 then
        sY = sY + 1
    end
    if lvl1[sY][sX] ~= colors.blue then
        sX = oldPosX
        sY = oldPosY
    end
    rendering()
    sleep(0)
    end
    sleep(0)
end

--game starting
function start_game()
    load_vars()
    load_imgs()
    rendering()
    buttons()
end

start_game()