I was doing some flame tests with Houdini before I get some real footage with a mustang in the race track for the ghost rider project... so this is what I came up with, and I know the final comp doesn't look good because I just slapped the flame on top...

I thought I posted this before, apparently I didn't.

It is a crowd sim driven entirely by Houdini POP networks. The run cycle was some mocap fbx I found online (model is mia from Motion Builder), but I had to edit it a little to fit in here.

Using...

These are stills from the last shot I am working on. There is a particle system that spawns the sprites for the flame and a copy of it with much less particles that instance the point lights to light up the scene.

This is tricky because there is a bug in Houdini 9.5 that messes up the scene perman...