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Fix particle instance modifier generating NaN polygons in some cases

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Particles that don't exist should not be used, for example due to a
density texture.

Differential Revision: https://developer.blender.org/D6561
This commit is contained in:
Miguel Pozo
2020-01-27 17:36:50 +01:00
committed by Brecht Van Lommel
parent f4f57ed21a
commit 6bf0e9dbb1
1 changed files with 3 additions and 0 deletions
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3
source/blender/modifiers/intern/MOD_particleinstance.c
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@@ -164,6 +164,9 @@ static bool particle_skip(ParticleInstanceModifierData *pimd, ParticleSystem *ps
if (pa->alive == PARS_DEAD && (pimd->flag & eParticleInstanceFlag_Dead) == 0) { if (pa->alive == PARS_DEAD && (pimd->flag & eParticleInstanceFlag_Dead) == 0) {
return true; return true;
} }
if (pa->flag & (PARS_UNEXIST | PARS_NO_DISP)) {
return true;
}
} }
if (pimd->particle_amount == 1.0f) { if (pimd->particle_amount == 1.0f) {