function moveBird(gc)
print("Bird has moved")
gc:drawRect(50,by,30,30)
by=by+1
end


function jumpBird(gc)
print("Jump")
gc:drawRect(50,by-7,30,30)
moveBird(gc)
end

function on.construction()
by = 50
timer.start(1)
end

function on.arrowUp()
function on.paint(gc)
jumpBird(gc)
end
end

function on.timer()
function on.paint(gc)
moveBird(gc)
end
end