halftone6

Usage

Overview

Draws the gravity force in each point on the screen seen through a halftone dot pattern. The gravity force is calculated from a set of moving mass points. View it from a distance for best effect.

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.

--window-id number

Draw on the specified window.

--count number

How many mass points to move around. Default: 10

--spacing number

Distance between each halftone dot. Default: 14

--sizefactor number

How big each halftone dot should be drawn compared to the spacing value. Default: 1.5

--minmass number

The minimum mass of each mass point. Default: 0.001

--maxmass number

The maximum mass of each mass point. Default: 0.02

--minspeed number

The minimum speed of each mass point. Default: 0.001

--maxspeed number

The maximum speed of each mass point. Default: 0.02

--delay number

Per-frame delay, in microseconds. Default: 10000

--fps

Display the current frame rate and CPU load.

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.

XSCREENSAVER_WINDOW

The window ID to use with --root.