[\-maxmass \fInumber\fP]
[\-minspeed \fInumber\fP]
[\-maxspeed \fInumber\fP]
+[\-fps]
.SH DESCRIPTION
Draws the gravity force in each point on the screen seen through a
halftone dot pattern. The gravity force is calculated from a set of
The maximum speed of each mass point. Default: 0.02
.B \-delay \fInumber\fP
Per-frame delay, in microseconds. Default: 10000
+.TP 8
+.B \-fps
+Display the current frame rate and CPU load.
.SH ENVIRONMENT
.PP
.TP 8