A while back I had to make a nice starfield to fly through, I tried the
particle method and it was fine but such a hassle when wanting to render
with motion blur (this was back in 3.5).. So in the end I used lots of
simple squares, I made zillions of them and then used the randomize
function in the transform panel to put them all over the place. I used a
constant white material on them and in comp I added a glow.. they
rendered easily and super fast and you have good control over where they
go.
Good point. For rendering speed I am sure a bunch of cubes, or spheres
would be faster, especially with motion blur.
if thats your impression you really should tune the clouds bsp settings (the
default settings are allways slowing rendering down in my experience) and
make sure in the billboard to turn of selfshadowing and shading.
Its not that slow to render, and rendering particles is definitely gonna be
faster than the same amount of spheres.
Anyways, for stars there's no need to render, viewport capture is your
friend. You'll do most of the look in the comp anyway.
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