NAME 

mirrorblob - Draws a wobbly blob that distorts the image behind it.

SYNOPSIS 

mirrorblob [-display host:display.screen] [-visual visual] [-window] [-root] [-wire] [-delay number] [-fog] [-walls] [-colour] [-texture] [-offset_texture] [-blend] [-antialias] [-x_res number] [-y_res number] [-field_points number] [-fade_time number] [-hold_time number] [-fps]

DESCRIPTION 

Draws a wobbling blob, making use of alpha blending, fog, textures, and lighting, plus a ``frames per second'' meter so that you can tell how fast your graphics card is... Requires OpenGL.

OPTIONS 

-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.
-window
Draw on a newly-created window. This is the default.
-root
Draw on the root window. -wire Render in wireframe instead of solid.
-delay number
Per-frame delay, in microseconds. Default: 10000 (0.01 seconds.).
-fog | -no-fog
Whether to enable fog.
-walls | -no-walls
Add walls for blob to hit.
-colour | -no-colour
Draw coloured blob. If also textured, the texture will have color mixed in.
-texture | -no-texture
Whether to wrap a texture image on the blob.
-offset_texture | -no-offset_texture
Whether to ofset the texture calculations to only use a region of the image under the blob. This works well when blend is enabled.
-blend | -no-blend
Whether to enable blending. (see also offset_texture above)
-antialias | -no-antialias
Whether to anti-alias lines.
-x_res number
Number of verticies around the middle row of the blob (see also y_res).
-y_res number
Number of rows of verticies used to calculatethe blob, combined with x_res to indirectly determine the number of triangles used to draw blob. Larger numbers give a smoother blob but increase calculation times exponentially.
-field_points number
Number of points used to distort the blob.
-hold_time number
Time until loading a new image.
-fade_time number
Crossfade duration time.
-fps | -no-fps
Whether to show a frames-per-second display at the bottom of the screen.

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)

COPYRIGHT 

Copyright © 2003 by Jon Dowdall. Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose 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 representations are made about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

AUTHOR 

Jon Dowdall.