Explicitly initialize value of particle parameter. Fixes #12621.

diff --git a/src/particles.h b/src/particles.h
index 74bfa7fce9a4a5c0b02fc1ec187990521bc67b05..3061deb83ecf5a5d9d6868f143366b17122794a8 100644 (file)
--- a/src/particles.h
+++ b/src/particles.h
@@ -91,7 +91,7 @@ namespace ParticleParamTypes
                using ValType = T;
                using pickFactors = float[PN];
 
-               T val;
+               T val = T();
                using This = Parameter<T, PN>;
 
                Parameter() = default;