Jaeger Posted October 30, 2019 Share Posted October 30, 2019 Hello everyone. I'm trying to emit particles from a rubik's cube which are solving himself. The problem is it doesn't look appealing because the emission is everywhere and without variations. I would like to emit the sparks only when the cube is rotating and only on the side of the rotation. Do you have an idea on how I could achieve this ? rubikSparks_01.hip Quote Link to comment Share on other sites More sharing options...
merlino Posted October 30, 2019 Share Posted October 30, 2019 Hello Gaël! Really interesting setup! About the particles emission, I think you should look inside the "Debris Source" SOP node. With small modifications I think it will do the work! Cheers, Marco Quote Link to comment Share on other sites More sharing options...
Jaeger Posted November 5, 2019 Author Share Posted November 5, 2019 Hello Marco, thanks for your answer ! I tried your solution but couldn't manage the Debris Source node. So I digged and finally it was easier than I thought. Just had to create a trail to compute the v then do a wrangle with @speed = length(v@v); then in a group expression create a new group with @speed > 1 and a null. And just source this in the POP Source with the source group matching. Hope this solution can help ! 1 Quote Link to comment Share on other sites More sharing options...
Librarian Posted November 5, 2019 Share Posted November 5, 2019 @JaegerNow share final result Quote Link to comment Share on other sites More sharing options...
Jaeger Posted November 5, 2019 Author Share Posted November 5, 2019 Here it is ! Still some work to do. rubikSparks_02.hip 1 Quote Link to comment Share on other sites More sharing options...
Librarian Posted November 5, 2019 Share Posted November 5, 2019 Yes Salute Quote Link to comment Share on other sites More sharing options...
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