pyro — simulate fireworks


pyro [-display host:display.screen] [-foreground color] [-background color] [-window] [-root] [-mono] [-install] [-visual visual] [-count integer] [-frequency integer] [-scatter integer] [-fps]


The pyro program simulates fireworks, in a way similar to a Macintosh program of the same name.


pyro accepts the following options:
Draw on a newly-created window. This is the default.
Draw on the root window.
If on a color display, pretend we're on a monochrome display.
Install a private colormap for the 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.
-count integer
How many particles should be allowed on the screen at once. Default 600.
-frequency integer
How often new missiles should launch. Default 30.
-scatter integer
How many particles should appear when a missile explodes. Default 100. The actual number used is between N and N+(N/2).
Display the current frame rate and CPU load.


to get the default host and display number.
to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.


Jamie Zawinski <>, 13-aug-92.