William Miller’s New and Improved Polybook

[William Miller]

This is a separate project.

[William Miller]

What do you think of this animation?

[William Miller]

I should have made the sparks bigger for the purposes of this .gif.

[William Miller]

My smoke is doing this for some reason, which is as awesome as it is annoying.

[William Miller]

I still can’t figure out how to fix it.

[John Sanderson]

It could be a number of things.  Check the normals on you emitter.  Check if any objects have collision enabled.  What are the friction and damping values? Do you have any physics applied to the particles?  If you can’t find anything maybe upload a link to the blend and see if someone can help you troubleshoot.

[William Miller]

I tried everything, but I still couldn’t fix it.  Does anyone else have any ideas?

[William Miller]

After some extensive troubleshooting, I discovered that some of the particles experienced more drag or something, causing them to get ejected downward at a slower rate.  I don’t know how to fix that, though.  Here’s the blend file in case you want to help:  http://pasteall.org/blend/index.php?id=52680

[spikeyxxx]

Hi William!

I don’t really understand your file; why are there two ‘rockets’ and why is the smoke emitter not parented to the flying one…

But your smoke particles are flying up, because your ground is a Collider with Damping set to zero. They bounce off the ground into the air;)

[William Miller]

You’re a genius!  Why didn’t I think of that?

[William Miller]

I finally got the particles to work!  Listening to Spear of Justice while working on it made the end result even more triumphant.

[William Miller]

I can’t figure out how to make the firework explode.  Cell fracture is too glitchy.

[spikeyxxx]

Hi William, maybe try this:

In Edit Mode subdivide your ‘rocket’/firework, in Object Mode with the firework selected go to Object > Quick Effects > Quick Explode. Adjust the settings, especially the Outward Velocity:

[William Miller]

I knew about quick smoke and quick fur, but not quick explode.  Is it new?

[spikeyxxx]

Not really, I don’t know when it was first added, but here’s 2.63 from May 2012:

[Author]

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