左右數位移:
$puts(titleLen,$len(%title%))
$puts(titleLenMul2,$mul($get(titleLen),2))
$puts(position,$mod(%playback_time_seconds%,$get(titleLenMul2)))
$puts(leftRightMove,$ifgreater($get(position),$get(titleLen),$sub($get(titleLenMul2),$get(position)),$get(position)))
$get(leftRightMove)

ex:
$puts(titleLen,$len(%title%))
$puts(titleLenMul2,$mul($get(titleLen),2))
$puts(position,$mod(%playback_time_seconds%,$get(titleLenMul2)))
$puts(leftRightMove,$ifgreater($get(position),$get(titleLen),$sub($get(titleLenMul2),$get(position)),$get(position)))
$pad(,$get(leftRightMove))[%title%]