diff --git a/MdlMngr.cpp b/MdlMngr.cpp
index f71b2921..52b47acb 100644
--- a/MdlMngr.cpp
+++ b/MdlMngr.cpp
@@ -37,7 +37,7 @@ TMdlContainer::LoadModel(std::string const &Name, bool const Dynamic) {
     }
 };
 
-TModelsManager::modelcontainer_sequence TModelsManager::m_models { 1, {} };
+TModelsManager::modelcontainer_sequence TModelsManager::m_models { 1, TMdlContainer() };
 TModelsManager::stringmodelcontainerindex_map TModelsManager::m_modelsmap;
 
 // wczytanie modelu do tablicy
diff --git a/Names.h b/Names.h
index 9c6652ab..4f0f1089 100644
--- a/Names.h
+++ b/Names.h
@@ -35,7 +35,7 @@ public:
             if( true == mapping.second ) {
                 return true;
             }
-            // cell with this name already exists; update mapping to point to the new one, for backward compatibility
+            // item with this name already exists; update mapping to point to the new one, for backward compatibility
             mapping.first->second = itemhandle;
             return false; }
     // locates item with specified name. returns pointer to the item, or nullptr
diff --git a/audiorenderer.cpp b/audiorenderer.cpp
index c9689fbf..5f9ed856 100644
--- a/audiorenderer.cpp
+++ b/audiorenderer.cpp
@@ -169,7 +169,7 @@ openal_source::sync_with( sound_properties const &State ) {
          || ( false == is_in_range ) ) {
             // if the emitter is outside of its nominal hearing range or was outside of it during last check
             // adjust the volume to a suitable fraction of nominal value
-            auto const fadedistance { sound_range * 0.75 };
+            auto const fadedistance { sound_range * 0.75f };
             auto const rangefactor {
                 interpolate(
                     1.f, 0.f,
diff --git a/particles.h b/particles.h
index 63214c3d..cb1d6785 100644
--- a/particles.h
+++ b/particles.h
@@ -51,7 +51,7 @@ public:
     void
         bind( Type_ const *Modifier ) {
             m_valuechangemodifier = Modifier; }
-    Type_ const &
+    Type_
         value_change() const {
             return (
                 m_valuechangemodifier == nullptr ?
diff --git a/precipitation.cpp b/precipitation.cpp
index 43feb56d..c01cad5c 100644
--- a/precipitation.cpp
+++ b/precipitation.cpp
@@ -123,7 +123,8 @@ basic_precipitation::update() {
 
     m_camerapos = Global.pCamera.Pos;
 
-    // intercept sudden user-induced camera jumps
+    // intercept sudden user-induced camera jumps...
+    // ...from free fly mode change
     if( m_freeflymode != FreeFlyModeFlag ) {
         m_freeflymode = FreeFlyModeFlag;
         if( true == m_freeflymode ) {
@@ -138,14 +139,17 @@ basic_precipitation::update() {
         }
         cameramove = glm::dvec3{ 0.0 };
     }
+    // ...from jump between cab and window/mirror view
     if( m_windowopen != Global.CabWindowOpen ) {
         m_windowopen = Global.CabWindowOpen;
         cameramove = glm::dvec3{ 0.0 };
     }
+    // ... from cab change
     if( ( simulation::Train != nullptr ) && ( simulation::Train->iCabn != m_activecab ) ) {
         m_activecab = simulation::Train->iCabn;
         cameramove = glm::dvec3{ 0.0 };
     }
+    // ... from camera jump to another location
     if( glm::length( cameramove ) > 100.0 ) {
         cameramove = glm::dvec3{ 0.0 };
     }
diff --git a/stdafx.h b/stdafx.h
index 57bdfa9b..b484fd2d 100644
--- a/stdafx.h
+++ b/stdafx.h
@@ -29,12 +29,12 @@
 #include <strsafe.h>
 #endif
 // stl
+#define _USE_MATH_DEFINES
+#include <cmath>
 #include <cstddef>
 #include <cstdlib>
 #include <cstdio>
 #include <cassert>
-#define _USE_MATH_DEFINES
-#include <cmath>
 #include <cstdint>
 #include <iostream>
 #include <iomanip>