cmd_fov

command: /fov

quick ref:

/fov [fieldofview:1.04] [animSpeed]

description:

change field of view with an animation. default value is 1.04. e.g.
/fov   default field of view
/fov 0.5		zoomin
/fov 0.4 0.01   zoomin with animation

改变可视距离。