[Bf-blender-cvs] [21889a54758] functions: fix crash with negative emitter rate

[Jacques Lucke]

Commit: 21889a547582a3ba24f87dbb998ec2aa65717bec
Author: Jacques Lucke
Date:   Thu Sep 19 10:30:24 2019 +0200
Branches: functions
https://developer.blender.org/rB21889a547582a3ba24f87dbb998ec2aa65717bec

fix crash with negative emitter rate

===================================================================

M       source/blender/simulations/bparticles/emitters.cpp

===================================================================

diff --git a/source/blender/simulations/bparticles/emitters.cpp 
b/source/blender/simulations/bparticles/emitters.cpp
index 5efa16fbd51..c947a96c1f3 100644
--- a/source/blender/simulations/bparticles/emitters.cpp
+++ b/source/blender/simulations/bparticles/emitters.cpp
@@ -235,6 +235,9 @@ void SurfaceEmitter::emit(EmitterInterface &interface)
   if (m_object->type != OB_MESH) {
     return;
   }
+  if (m_rate <= 0.0f) {
+    return;
+  }
 
   Vector<float> birth_moments;
   float factor_start, factor_step;

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