View Full Version : How do I let Particle Flow run along a spline

07 July 2010, 09:39 AM

How do I let Particle Flow run along a spline, for example a Helix spline ??
Thanks a lot in advance


because no one answers me, I explain it in more detail
I have a star from which a black hole sucks materie along an spline
I want to create with the partcle flow, how I do this in PF materie runs along a spline ??


07 July 2010, 07:35 PM
Use the SpeedByIcon operator. The helper that's associated with it should be set to use the spline as a path. From there you play with the speed and timing.

07 July 2010, 09:10 AM
Thanks a lot BrandonD, this helps

07 July 2010, 09:29 AM

08 August 2010, 05:22 AM
I face the same problem, but I just can't connect the "speedbyicon" with the spline.can the answer be more concret? I am a new user of 3DMAX. thank you

08 August 2010, 04:44 AM
You can do this through the menus: select the speed by icon in the viewport, animation| constraints| Path constraint, pick you path. Or you can do it through the motion panel by assigning a path constraint position controller to the icon.

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08 August 2010, 04:44 AM
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