.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.
.B \-count \fIinteger\fP
How many bubbles to draw per layer. Default: random.
.TP 8
-.B \-layers \fIinteger\fP
-How many layers to draw. Default: random, based on screen depth.
+.B \-planes \fIinteger\fP
+How many planes to draw. Default: random, based on screen depth.
.TP 8
.B \-delay \fImicroseconds\fP
How much of a delay should be introduced between steps of the animation.
-Default 100000, or about 1/10th second.
+Default 12000, or about 0.012 seconds.
.TP 8
.B \-transparent
If \fI\-layers\fP is greater than 1, then each layer will be drawn in one
.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