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-rw-r--r--src/particle.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/particle.h b/src/particle.h
index c2b33cc52..c360a5e94 100644
--- a/src/particle.h
+++ b/src/particle.h
@@ -42,8 +42,10 @@ class ParticleEmitter;
typedef std::list<Particle *> Particles;
typedef Particles::iterator ParticleIterator;
+typedef Particles::const_iterator ParticleConstIterator;
typedef std::list<ParticleEmitter *> Emitters;
typedef Emitters::iterator EmitterIterator;
+typedef Emitters::const_iterator EmitterConstIterator;
/**
* A particle spawned by a ParticleEmitter.