Houdini Tutorial - Beginner Infection Grains | Houdini & Redshift Tutorial

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Hey guys! in this beginner Houdini tutorial we will use Houdini 19 pyrospread node and make an infection system with pop grains.
Sidefx houdini allows for procedural approach that makes creating abstract and satisfying animations really easy. This beginner Houdini tutorial covers SOPs, Vellum, Dopnet and Rendering.
Inspired by evokedform -
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Music by Lakey Inspired - 'Days Like These'.

[@kamalsafwan2537]

Replying to :12:40 The Modulus"%" in programming checks for even numbers so if it is ==0 or ==1 determines if it is even or odd(respectively) so basically it gives a better distribution of results for the if statement that's it.

[@orientaxis]

Thats really Great tobe honest its the 4th tutorial on something same I am watching and I still loving it😍😍😍

[@felipeamayaq]

I really like your style. Cool stuff, simply explained. Hats off!

[@nickmedukha]

Thanks a lot!

[@AngelsNeverFade]

Another amazing tutorial!

[@nickmedukha]

Thanks a lot mate!

[@ericprochnow7584]

fantastic way of explaining, keep up the great work ! :)

[@nickmedukha]

Im very glad to hear that :) Thank you!

[@SergeBelkin]

% is just a modulo or remainder of dividing your @ptnum by 500. So it just change a pscale of any @ptnum divided by 500 and a remainder of this division equals 0, ie. for each ptnum index of 500, 1000, 1500 etc.

[@nickmedukha]

thanks so much man!

[@FaddyVFX]

That is great. Good job.

[@nickmedukha]

Thank you!

[@ukrainewarfootage2023]

Hey Nick, thanks for the turotial

[@nickmedukha]

Hey Toby! Always welcome man!

[@MichaelWildeVFX]

As someone just starting to learn houdini it's really cool to hear your process for this. Thanks so much :)

[@nickmedukha]

Glad to hear that :) And welcome!

[@justdr7223]

Thankyou for this!! 🙌

[@justdr7223]

Hopefully blooming plant/flower stuff in future

[@thorged]

Dude. You are key to my Houdini Learning Process. Thank you so much for what you are providing for free!

[@nickmedukha]

You're welcome, glad to hear that :)

[@anandnandakumar3596]

Nice one.... great tutorial..... keep it coming

[@nickmedukha]

More to come!

[@anglereserve]

Cool tutorial. Looks like the inspiration for this was perhaps also inspired by Kathleen Ryan's sculptures.

[@maruto2222]

Thank you. Very inspiring! I wanted to say, that "heat" group is still needed to be there.

[@raimuhammaduzairfareed7628]

You are doing greater than before ❤️❤️

[@nickmedukha]

oh thanks a lot!

[@chpdigital]

Awesome!

[@nickmedukha]

Thank you!

[@rotshidzwamafuka4913]

Ow man knock you making life easy, am enjoying Houdini now a lot, I can’t wait to see more tutorials like stitching/knighting animation.

[@jordiinbound]

Thanks for this fantastic tuto :) could you please provide the link for the alembics? I already bought the hip file. Thanks!

[@nickmedukha]

Hey Jordi! Could you please drop me a line via email (my email is in the description) and ill send you the caches!

[@LamekFelix]

pop grains inside pop network, what is this for? Great Tutorials man, learning a lot!

[@damagejacked]

Pop grains is doing all the work. When there's a pop grains, it takes over for the pop solver. Do a search on YoutTube; there are vids on this.

[@Helios.vfx.]

What about a object merge for the surface, so you go straight up to remesh and so on.

[@timolenton1904]

Thanks for the great tutorial. My points still drift even when setting "@v = 0" .. any ideas why?

[@jamesc1589]

Hoping you fixed this already but just in case try no spaces "@v=0;" that seems to work good for me :)

[@danielteolfe]

same issue here

[@syntaxcg]

@@danielteolfe delete gravity node

[@owenjenkinsofficial]

For some reason my popnet is not being influenced by the pyro source data. I checked and there are no errors in the pop wrangle VEX and things seem identical in the previous nodes. Any idea what I might have missed? Very few particles are spawning in random locations, uninfluenced by the attribute @m_scale.

[@francescomatera2904]

Same here!

[@SIDDHARTHSINGH-uu1hs]

Hey, Watch he deleted the group node named heat just below the attribute remap Attach that node in your project. Then see the magic ✨

[@jamesc1589]

Just finished the project and ive ran into an issue. The particles for whatever reason have stayed small (like pin dot size) and not the size of the example, I've ran through everything several times and everything looks good so idk where I went wrong. Only been doing houdini for a few months now so could be a simple mistake. Any help is appreciated Edit: the only thing I can think of is I can't find my Cd attribute used in the RS Point Attribute Node in the matnet on either of my actual bone geos?? idk :/

[@kamalsafwan2537]

Check render objects as particles does it work ?

[@bhushankandalkar3104]

My points are growing on all objects instead of spreading and it has the same shapes after the pop sim, any idea how to solve it??

[@a0dh]

Hi, I also have this problem, did you figure out the solution? Thanks :)

[@bhushankandalkar3104]

@@a0dh nope, not yet :(

[@g0801408]

don't remove Group2. At 8:48

[@bhushankandalkar3104]

i did it on animated cloth and the particles are flowing. what should i do??

[@nickmedukha]

This does not work on animated surfaces, as the particles are not glued to mesh

[@bhushankandalkar3104]

@@nickmedukha ohh ok, so what should i do to work it with animated surface???

[@michaelmoser1309]

@@bhushankandalkar3104 You can do it on your static cloth and point deform your grains than with your animated cloth. Or you could try to stick the particles to the surface like glue constraint or something.

[@bhushankandalkar3104]

@@michaelmoser1309 I tried but it seems a bit complicated

[@michaelmoser1309]

@@bhushankandalkar3104 the point deform or the glue? I am pretty sure that the point deform should work. Unless your cloth sim isn't too crazy.

[@vectorhunter4659]

trypophobia vfx artist death + 1

[@nickmedukha]

woooppps