Hi all,
I am new to Houdini (just started like two weeks ago) but I am already blown away by the possibilities of this soft. I started to wonder why I was using MAYA for all those years
Anyway, currently I am going through plenty of tutorials playing with particles, destruction, etc. etc.
I would like to use RAMP to set up the size of the particles depending on their AGE because so far I am using the expression fit01(rand($AGE),0.01, 0.1) which scales particles but scales each one of them per frame and what I need is for the particles to be small at the begining, then grow in size and then get smaller towards the end of their life.
Please forgive me a noob question
Best regards,
Robert Wilinski
Particles in Houdini
3003 2 2- robertX1974
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- Enivob
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Here is one way. If you drop down a Color node it has the ability to map an attribute, such as particle age, to a ramp. This gives you a greyscale based upon particle age but remapped by the ramp. Then you follow that up with a short one-line wrangle that takes the RED channel from the color and assigns it to the @pscale (particle scale) attribute. Follow that up with a Copy (which internally recognizes the @pscale attribute) and you get something like what you are asking for.
This kind of emulates the Trapcode Particular approach to particles.
This kind of emulates the Trapcode Particular approach to particles.
Edited by Enivob - Dec. 13, 2016 09:16:49
Using Houdini Indie 20.0
Windows 11 64GB Ryzen 16 core.
nVidia 3050RTX 8BG RAM.
Windows 11 64GB Ryzen 16 core.
nVidia 3050RTX 8BG RAM.
- robertX1974
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