05 October 2010

Windy fluids

So those of you that are new to fluids and fire in particular my have noticed this odd behavior of fluids. If you turn the boundaries of your fluid box off and run the sim your fluid will fall over like it's be pushed by a wind force. Like so:

This might seem really strange and it is. But it's pretty easy to fix. Under the dynamic simulation tap, you'll see a damp slider. Give it a value of something like 0.01. This stabilizes your sim. So now your fire won't be blown over by some crazy non-existent wind storm.

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