Good points, but I'd say for a tall fire, you should use two or more pointlights in various positions, with various colors, then.

Ignoring the color issue, for a really large fire you'd need light coming from above and below.

But even a big fire like this one

• you have to show me how the point light isn't going to work. The most important thing as I said is that you do inverse square falloff.

I wasn't really objecting to the notion of multiple lights, but rather that parenting them to a prop and pointing spotlights in various directions is not relevent.

Shall I do some renders?

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)