cmd_viewport - LiXizhi/ParaCraft GitHub Wiki
command: /viewport
quick ref:
/viewport [@id] [alignment:_lt|_fi|_rt] [left] [top] [width] [height]
description:
change main viewport
e.g.
/viewport fill all viewport
/viewport 0 0 100 0
/viewport _lt 0 0 600 400
/viewport @0 _lt 0 0 600 400