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another animated vellum constraints inside dops question


chrisribar

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do

restscale = 2;

instead of 

f@restscale = 2;

since you want to modify restscale variable containing value of restscale parameter that is passed to the snippet instead of directly create or modify restscale attribute (which wouldn't even be used by vellum and you don't have permission to create, hence it's erroring out)

Edited by anim
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5 hours ago, chrisribar said:

thanks Tomas! Any hints on how to create age based on my emitter so that the curves grow over time?

you can for example age your Geometry or ConstraintGeometry using POP or Geometry Wrangle using

f@age += @TimeInc;

then in Vellum Constraint Property DOP either use 

float age = point(1, "age", @ptnum); 
restscale = 1 + age*.5;

if you have @age only on points of the geometry (see example file)

 

or if you have f@age on primitives of ConstraintGeometry you can do directly

restscale = 1 + f@age*.5;

anim_rest_scale_age_v001_fix.hip

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