hideCursor()
clear()
resetCursor()
flush()

x = getWidth() / 2
y = getHeight() / 2

for i = 0 to 500
    x = x + random(0-1, 1)
    y = y + random(0-1, 1)
    if x < 0
        x = 0
    end
    if y < 0
        y = 0
    end
    if x > getWidth() - 1
        x = getWidth() - 1
    end
    if y >= getHeight() - 1
        y = getHeight() - 1
    end
    resetCursor()
    print(x, " ", y)
    moveCursorRight(x)
    moveCursorDown(y)
    print("X")
    flush()
    sleep(0, 1000000)
end
sleep(2, 0)