#Vapor.axp
Bill's observations (again) are extremely on-target. Vapor is ideally
suited to simulating streams of smoke and similar effects. Creating
a dust storm filling the screen and enveloping the viewer is
definitely NOT what vapor was intended to do. Although it may be
possible to use a number of vapor emitters moving in exactly the
right way to get a dust-stormy effect, once it fills any significant
part of the screen it would bring the renderer to its knees, given
all the thousands of layers of overlapping transparency that would be
involved.