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## Popular Content

Showing most liked content on 10/18/2017 in all areas

1. 3 points

## Why do presenters almost ALWAYS use a Mac?

I'm not a presenter but I do that too. Force of habit.
2. 3 points

## Spiral Unrolling / Rolling Animation

I'd looked at this problem a few weeks ago, got 90% the way there looking at some other odforce posts, this inspired me to finish it. The idea is to first calculate the angle between each curve segment, then apply it in a for each loop so each segment is rotated by the total of all the previous segment angles, at the correct pivot point. curve_unroll.hip
3. 1 point

## Why do presenters almost ALWAYS use a Mac?

i think it's just generic naming...so if you use Geo node, then inside, you can use any geometry...when you go up, it is still logically named Geometry. While if you start with say a Torus...inside, you change your mind and use Pighead instead...jump back up...it's still named Torus....not wrong...just not very intuitively named.
4. 1 point

## Why do presenters almost ALWAYS use a Mac?

It could be a rite of passage for making houdini tutorials, one must include those steps!
5. 1 point

6. 1 point

## Spiral Unrolling / Rolling Animation

Here's my attempt! Plus bonus Gif!!! Also check my education thread for a curve roller! JR_AngleMinimizer.hip
7. 1 point

## collision sparks emit direction

I am trying to create some collision particles that appears when metal collides with surface. Right now the particles are emitted from the ground with the velocity of the ball. I am not sure the particles should be emitted in the direction of the ball travels or opposite to the ball travels. I think it should travels in the direction of the ball but backwards looks nicer. Which version do you guys think is better? Also anyone have a good reference for this kind of sparks?
8. 1 point

## Toms "Learning Houdini" Gallery

"Sutur Fluid Painting" Using another GLSL shader as Displacement in Houdini:
9. 1 point

## Houdini History

a very interesting topic! Here are some pic about prisms on SGI.forums.nekochan.net
10. 1 point

## forces in Dops

in H 15, wire solver doesn't take the fexternal into account. I want to orient object towards its moving direction and fexternal was a good option. I don't know how to take custom forces fed into wire solver. is there a way around this? thank you in advance Ps: I got an aswer from sesi, in case it may help others: Support for "fexternal" was removed in Houdini 14 as it was incompatible with other improvements. Please use a "force" attribute on the Geometry sub-data instead.
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