Display Mask Volume
#1
I am looking fo a way to hide all objects that are inside the volume of an object, without disturbing their motion in any way. Would it be possible to expand the Display operator with a kind of "Boolean" function, that displays only the particles inside or outside an object (or a list of objects, possibly being able to pick "add" or "substract" for each volume)? This could be easier than constantly doing surface tests, if it's only for particle visibility.
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#2
Just create a second flow, import the first with Birth Flow/Flow Update operators, and send particles back and forth between two events based on the inside/outside test. Then just display particles in the inside event. That will preserve all motion (since it's merely being imported from the first flow) but gives you full control over display.
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