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Fix T47983: Particles - Emit from Verts emits double on one vert. 

When non-random, particle distribution used a small start offset (to avoid
zero-weight faces), which is fine with "continuous" entities like faces, but not
for discrete ones like vertices - in that case it was generating some undesired
"jump" over a few verts in case step was small enough
(i.e. total number of verts/particles was big enough).
This commit is contained in:
Bastien Montagne 2016-03-30 20:59:07 +02:00
parent 756ab5ee2c
commit cb19948053
Notes: blender-bot 2023-02-14 08:02:00 +01:00 
Referenced by issue #47983, Particles - Emit from Verts emits double on one vert
1 changed files with 1 additions and 1 deletions
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source/blender/blenkernel/intern/particle_distribute.c
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@ -1030,7 +1030,7 @@ static int psys_thread_context_init_distribute(ParticleThreadContext *ctx, Parti
double step, pos;
step= (totpart < 2) ? 0.5 : 1.0/(double)totpart;
pos= 1e-6; /* tiny offset to avoid zero weight face */
pos = (from == PART_FROM_VERT) ? 0.0 : 1e-6; /* tiny offset to avoid zero weight face */
i= 0;
for (p=0; p<totpart; p++, pos+=step) {