X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftrunk%2Fsrc%2Fmodules%2Fmod_particle%2Fplant.cpp;h=60652a46219a086de4f19d9e90b3a6d94b60a97f;hb=d65b91054ec401dc3188d615fe2f5c0581b105c9;hp=1cc6dc0a6e8bfcc710c5a7f727be2c89063e52c4;hpb=78f19fcb70849775b7566e1e2e45d4cda9f12406;p=synfig.git

diff --git a/synfig-core/trunk/src/modules/mod_particle/plant.cpp b/synfig-core/trunk/src/modules/mod_particle/plant.cpp
index 1cc6dc0..60652a4 100644
--- a/synfig-core/trunk/src/modules/mod_particle/plant.cpp
+++ b/synfig-core/trunk/src/modules/mod_particle/plant.cpp
@@ -241,6 +241,9 @@ Plant::sync()const
 			if((((i+1)*sprouts + steps/2) / steps) > branch_count) {
 				Vector branch_velocity(deriv(f).norm()*velocity + deriv(f).perp().norm()*perp_velocity);
 
+				if (isnan(branch_velocity[0]) || isnan(branch_velocity[1]))
+					continue;
+
 				branch_velocity[0] += random_factor * random(Random::SMOOTH_COSINE, 1, f*splits, 0.0f, 0.0f);
 				branch_velocity[1] += random_factor * random(Random::SMOOTH_COSINE, 2, f*splits, 0.0f, 0.0f);