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Particle Instance Modifier (FIX) : Skip particle instance if PARS_UNEXIST or PARS_NO_DISP
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Authored by Miguel Pozo (pragma37) on Sat, Jan 11, 5:49 PM.

Details

Summary

ParticleSystem->totpart sometimes reports more instances than actually exist. For example if a texture is used to drive particle density influence.
This results in extra polygons win NAN positions.

This patch skips "unexisting" and "no display" particles.

I attached a file to reproduce the issue. If you disable the density influence and then reenable it, the scene tri count doesn't shrink.

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Repository
rB Blender