.SH SYNOPSIS
.B rocks
[\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-ncolors \fIn\fP] [\-install] [\-visual \fIvisual\fP] [\-count \fIinteger\fP] [\-delay \fIusecs\fP] [\-speed \fIinteger\fP] [\-norotate] [\-nomove] [\-3d]
+[\-fps]
.SH DESCRIPTION
The \fIrocks\fP program draws an animation of an asteroid field moving past
the observer (or vice versa). Sometimes the observer picks up spin on Z axis.
.B \-3d
Do red/blue 3d separations: if you look at the screen with 3d glasses,
the rocks will be \fIjumping\fP right \fIout\fP at you. Oooooh, scaaary!
+.TP 8
+.B \-fps
+Display the current frame rate and CPU load.
.SH ENVIRONMENT
.PP
.TP 8