http://www.ibiblio.org/pub/historic-linux/ftp-archives/sunsite.unc.edu/Sep-29-1996...

[xscreensaver] / hacks / attraction.man

diff --git a/hacks/attraction.man b/hacks/attraction.man
index 334898ee6fc2c304d1df555136a5a8509aae53ff..e3f94243a7005430b29fc4a95fab545f2f9d65f5 100644 (file)
--- a/hacks/attraction.man
+++ b/hacks/attraction.man
@@ -1,9 +1,22 @@
-.TH XScreenSaver 1 "22-mar-93" "X Version 11"
+.de EX         \"Begin example
+.ne 5
+.if n .sp 1
+.if t .sp .5
+.nf
+.in +.5i
+..
+.de EE
+.fi
+.in -.5i
+.if n .sp 1
+.if t .sp .5
+..
+.TH XScreenSaver 1 "14-Dec-95" "X Version 11"

 .SH NAME
 attraction - interactions of opposing forces
 .SH SYNOPSIS
 .B attraction
 .SH NAME
 attraction - interactions of opposing forces
 .SH SYNOPSIS
 .B attraction

-[\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install] [\-visual \fIvisual\fP] [\-points \fIint\fP] [\-threshold \fIint\fP] [\-mode balls | lines | polygons | splines | filled-splines | tails ] [\-color-mode cycle | random] [\-size \fIint\fP] [\-segments \fIint\fP] [\-delay \fIusecs\fP] [\-color-shift \fIdegrees\fP] [\-radius \fIint\fP] [\-vx \fIint\fP] [\-vy \fIint\fP] [\-glow] [\-noglow] [\-orbit]
+[\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install] [\-visual \fIvisual\fP] [\-points \fIint\fP] [\-threshold \fIint\fP] [\-mode balls | lines | polygons | splines | filled-splines | tails ] [\-color-mode cycle | random] [\-size \fIint\fP] [\-segments \fIint\fP] [\-delay \fIusecs\fP] [\-color-shift \fIdegrees\fP] [\-radius \fIint\fP] [\-vx \fIint\fP] [\-vy \fIint\fP] [\-glow] [\-noglow] [\-orbit] [\-viscosity \fIfloat\fP] [\-mouse] [\-no-mouse] [\-mouse-size]

 .SH DESCRIPTION
 The \fIattraction\fP program has several visually different modes of 
 operation, all of which are based on the interactions of a set of control
 .SH DESCRIPTION
 The \fIattraction\fP program has several visually different modes of 
 operation, all of which are based on the interactions of a set of control


@@ -115,6 +128,31 @@ to decay.
 In orbit mode, the initial velocity of the balls is multiplied by this;
 a number less than 1 will make the balls pull closer together, and a larger
 number will make them move apart.  The default is 1, meaning stability.
 In orbit mode, the initial velocity of the balls is multiplied by this;
 a number less than 1 will make the balls pull closer together, and a larger
 number will make them move apart.  The default is 1, meaning stability.

+.TP 8
+.B \-viscosity float
+This sets the viscosity of the hypothetical fluid through which the control
+points move; the default is 1, meaning no resistance.  Values higher than 1
+aren't interesting; lower values cause less motion.
+
+One interesting thing to try is
+.EX
+attraction -viscosity 0.8 -points 75 \\
+  -mouse -geometry =500x500
+.EE
+Give it a few seconds to settle down into a stable clump, and then move
+the mouse through it to make "waves".
+.TP 8
+.B \-mouse
+This will cause the mouse to be considered a control point; it will not be
+drawn, but it will influence the other points, so you can wave the mouse
+and influence the images being created.
+.TP 8
+.B \-no-mouse
+Turns off \fB\-mouse\fP.
+.TP 8
+.B \-mouse-size integer
+In \fB\-mouse\fP mode, this sets the mass of the mouse (analagously to the
+\fB\-size\fP parameter.)

 .SH ENVIRONMENT
 .PP
 .TP 8
 .SH ENVIRONMENT
 .PP
 .TP 8


@@ -136,4 +174,6 @@ appear in supporting documentation.  No representations are made about the
 suitability of this software for any purpose.  It is provided "as is" without
 express or implied warranty.
 .SH AUTHOR
 suitability of this software for any purpose.  It is provided "as is" without
 express or implied warranty.
 .SH AUTHOR

-Jamie Zawinski <jwz@mcom.com>, 13-aug-92.
+Jamie Zawinski <jwz@netscape.com>, 13-aug-92.
+
+Viscosity and mouse support by Philip Edward Cutone, III.