lavalite(6x) XScreenSaver manual lavalite(6x)
NAME
lavalite - 3D OpenGL simulation of a Lavalite.
SYNOPSIS
lavalite [-display host:display.screen] [-window] [-root] [-visual vis-
ual] [-delay microseconds] [-fps] [-style style ] [-spin xyz ] [-no-
spin ] [-speed float ] [-resolution integer ] [-count integer ] [-no-
smooth ] [-wireframe ] [-impatient ] [-lava-color color ] [-fluid-color
color ] [-base-color color ] [-table-color color ] [-fluid-texture
filename ] [-base-texture filename ] [-table-texture filename ]
DESCRIPTION
The lavalite program displays a 3D simulation of the famous lamp of the
same name. It requires a fast computer with fast OpenGL support.
OPTIONS
lavalite accepts the following options:
-window Draw on a newly-created window. This is the default.
-root Draw on the root window.
-visual visual
Specify which visual to use. Legal values are the name of a
visual class, or the id number (decimal or hex) of a specific
visual.
-style style
Specify which model of lamp to draw. Available models are:
Classic, Giant, Cone, and Rocket. Default: random.
-spin xyz
Around which axes the model should auto-spin. Defaults to "Z",
meaning it rotates horizontally, but otherwise pitch or roll.
-no-spin
Same as -spin ''.
-speed float
A number controlling the frequency at which new blobs launch:
you can think of this as being related to the the heat of the
lightbulb in the base. Default: 0.003.
-delay usecs
The delay between steps of the animation; default is 30000
(0.03 second.)
-resolution integer
The size of the grid from which the mesh is created that is
used to polygonize the blobs. higher values will give very
smooth looking blobs, at the expense of speed. Default: 40.
The options "-resolution 10 -no-smooth" look kind of interest-
ing.
-fps Display the current frame rate, CPU load, and polygon count.
-count integer
The maximum number of blobs that can be in motion at once. De-
fault: 3.
-no-smooth
Turn off smoothing: the objects in the scene will be facetted.
-wireframe
Render all objects in wireframe instead of as solids.
-impatient
Provide this option if you are. This will pre-warm the lamp,
so when it starts up, the first frame will show a blob already
halfway up the lamp.
-lava-color color
Specifies the color of the blobbies. Default: red.
-fluid-color color
Specifies the color of the fluid that the blobbies float in.
Default: light blue.
-base-color color
Specifies the color of the lamp base, and the cap on top of the
bottle. Default: very dark gray.
-table-color color
Specifies the color of the table that the lamp is sitting on.
Default: black (meaning it is invisible.)
-fluid-texture filename
An image file to wrap around the glass.
Note that on most systems, GL textures must have dimensions
that are a power of two.
Note also that colors and textures are both applied: so, if you
apply a texture and it isn't showing up, try specifying the
corresponding color as "white". Otherwise, the combination of
the two might be too dark to see.
-base-texture filename
An image file to wrap around the base of the lamp, and the cap
on top of the bottle.
-table-texture texture
An image file to spread across the table that the lamp is sit-
ting on.
ENVIRONMENT
DISPLAY to get the default host and display number.
XENVIRONMENT
to get the name of a resource file that overrides the global
resources stored in the RESOURCE_MANAGER property.
SEE ALSO
X(1), xscreensaver(1),
http://www.lavaworld.com/
http://www.lavarnd.org/
COPYRIGHT
Copyright © 2002 by Jamie Zawinski. Permission to use, copy, modify,
distribute, and sell this software and its documentation for any pur-
pose is hereby granted without fee, provided that the above copyright
notice appear in all copies and that both that copyright notice and
this permission notice appear in supporting documentation. No repre-
sentations are made about the suitability of this software for any pur-
pose. It is provided "as is" without express or implied warranty.
LAVA LITE® and the configuration of the LAVA® brand motion lamp are
registered trademarks of Haggerty Enterprises, Inc. The configuration
of the globe and base of the motion lamp are registered trademarks of
Haggerty Enterprises, Inc. in the U.S.A. and in other countries around
the world.
AUTHOR
Jamie Zawinski <jwz@jwz.org>
X Version 11 5.45 (08-Dec-2020) lavalite(6x)
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