Alejandro Echeverry

Alejandro Echeverry

About Me

Technical Director


Recent Forum Posts

Controlling Vellum (Grains etc) with Particles Help Nov. 8, 2019, 8:42 p.m.

Those nodes are throwing an error at the beginning because there is no data for the vellum sops to evaluate correctly, but just press play on the file and everything will work perfectly after frame 1.

Vellum Points Attribute State Nov. 8, 2019, 7:04 p.m.

Thanks Tomas!

In the case of a hair root using an attach to geometry constraint there are no broken groups, so the only way I solved this is to matching using the target attributes against the hair roots for the filtering. I really wish that the vellum constrains can give an option for the targeting attributes like for exampling using id instead of ptnum.

Thanks Man!!


Controlling Vellum (Grains etc) with Particles Help Nov. 8, 2019, 6:27 p.m.

Here is an example that shows how to attach a vellum sheet to a particle, then when a particle dies, the constraint is deleted and the patch is free. One of the issues I found for this kind of setups when you need to attach things, is that vellum constraints nodes has no option to specify the attachment by id for example or using a matching rule, so if your points are really deleted the system will become crazy because internally is just using the ptnum for the constraint targeting. It will be nice to have matching options to do some clever targeting in a Vellum Constraint SOP or DOP.

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