1 files changed, 15 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_particle.h b/source/blender/blenkernel/BKE_particle.h
index ecc97dd5d3b..5dbfe2fe520 100644
--- a/source/blender/blenkernel/BKE_particle.h
+++ b/source/blender/blenkernel/BKE_particle.h
@@ -188,6 +188,19 @@ typedef struct ParticleThread {
 	int num, tot;
 } ParticleThread;
 
+typedef struct ParticleBillboardData
+{
+	struct Object *ob;
+	float vec[3], vel[3];
+	float offset[2];
+	float size, tilt, random, time;
+	int uv[3];
+	int lock, num;
+	int totnum;
+	short align, uv_split, anim, split_offset;
+}
+ParticleBillboardData;
+
 /* ----------- functions needed outside particlesystem ---------------- */
 /* particle.c */
 int count_particles(struct ParticleSystem *psys);
@@ -260,6 +273,8 @@ void psys_threads_free(ParticleThread *threads);
 void psys_thread_distribute_particle(ParticleThread *thread, struct ParticleData *pa, struct ChildParticle *cpa, int p);
 void psys_thread_create_path(ParticleThread *thread, struct ChildParticle *cpa, ParticleCacheKey *keys, int i);
 
+void psys_make_billboard(ParticleBillboardData *bb, float xvec[3], float yvec[3], float zvec[3], float center[3]);
+
 /* particle_system.c */
 int psys_count_keyed_targets(struct Object *ob, struct ParticleSystem *psys);
 void psys_get_reactor_target(struct Object *ob, struct ParticleSystem *psys, struct Object **target_ob, struct ParticleSystem **target_psys);