wanderer lua script

x,y = term.getSize


tempx = math.random(0,x)
tempy = math.random(0,y)

posx = tempx
posy = tempy

function renderMan()
term.setCursorPos(posx,posy)
print ("0")
print ("|")
end

function randomMove()
dirx = math.random(-1,1)
diry = math.random(-1,1)

posx = dirx
posy = diry
end

function willIMove()
decision = math.random(0,5)
if decision ~= 0 then
decision = decision - 1
decision = decision / 4
sleep (decision)
randomMove()
end
end


while true do

renderMan()
willIMove()

end