Ygdrasil - smoke

smoke derived from ygNode

Description: creates a rising plume of smoke

notes:

derived nodes inherit all messages from their base classes
see reset method for default settings
you must add the following to your .ygrc file in order to use this node:
- setenv YG_PF_INIT_SMOKES
- setenv YG_PRELOAD_CLASSES smoke

Category: Geometry
Author: Josheph Tremonti
Revision: 11/01/01

Messages

mode	[missile \| explosion \| fire \| smoke \| dust]	set smoke mode
density	three floats	set the smoke density, dissipation, and expansion
velocity	two floats	set the smoke velocity and turbulence
color	three floats, three floats	set the smoke begining and ending color
on		turn the smoke on
off	[bool]	turn the smoke off

Comments

constructor smoke

destructor ~smoke

method reset

method message

1 set smoke mode
2 set the smoke density, dissipation, and expansion
3 set the smoke velocity and turbulence
4 set the smoke begining and ending color
5 turn the smoke on
6 turn the smoke off

method createSmoke

method app

method smokePreDraw

1 cast the traversal data as the smokeData structure

method smokePostDraw