.SH SYNOPSIS
.B goop
[\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install] [\-visual \fIvisual\fP] [\-transparent] [\-non\-transparent] [\-additive] [\-subtractive] [\-xor] [\-no\-xor]
+[\-fps]
.SH DESCRIPTION
The \fIgoop\fP program draws a simulation of bubbles in layers of
overlapping multicolored translucent fluid.
.TP 8
.B \-xor
Draw with xor instead of the other color tricks.
+.TP 8
+.B \-fps
+Display the current frame rate and CPU load.
.SH ENVIRONMENT
.PP
.TP 8