diff --git a/engine/Screen.h b/engine/Screen.h
index 4855a50..9170c6c 100644
--- a/engine/Screen.h
+++ b/engine/Screen.h
@@ -16,8 +16,8 @@
 
 class Screen final {
 private:
-    int _w;
-    int _h;
+    int _w{};
+    int _h{};
 
     std::string _title;
 
diff --git a/engine/physics/RigidBody.cpp b/engine/physics/RigidBody.cpp
index 2678073..2803e37 100644
--- a/engine/physics/RigidBody.cpp
+++ b/engine/physics/RigidBody.cpp
@@ -337,7 +337,7 @@ void RigidBody::makeLogObjPolytope(const std::vector<Vec3D> &polytope, const std
     for(auto &p : polytope)
         file << "v " << p.x() << " " << p.y()  << " " << p.z() << std::endl;
 
-    for(int i = 0; i < faces.size(); i += 3)
+    for(size_t i = 0; i < faces.size(); i += 3)
         file << "f " << faces[i + 0]+1 << " " << faces[i + 1]+1  << " " << faces[i + 2]+1 << std::endl;
 
     file.close();
diff --git a/engine/physics/Simplex.h b/engine/physics/Simplex.h
index e0fd762..b111c65 100644
--- a/engine/physics/Simplex.h
+++ b/engine/physics/Simplex.h
@@ -39,7 +39,7 @@ public:
 
     Vec3D operator[](unsigned i) const {
         auto it = _points.begin();
-        for(int k=0; k<i; k++)
+        for(unsigned k=0; k<i; k++)
             ++it;
         return *it;
 
diff --git a/shooter.vcxproj b/shooter.vcxproj
index 3195023..ebf2d1d 100644
--- a/shooter.vcxproj
+++ b/shooter.vcxproj
@@ -168,6 +168,7 @@
     <ClCompile Include="engine\gui\Button.cpp" />
     <ClCompile Include="engine\gui\Window.cpp" />
     <ClCompile Include="engine\Keyboard.cpp" />
+    <ClCompile Include="engine\Matrix4x4.cpp" />
     <ClCompile Include="engine\Mesh.cpp" />
     <ClCompile Include="engine\Mouse.cpp" />
     <ClCompile Include="engine\network\ClientUDP.cpp" />
@@ -178,15 +179,16 @@
     <ClCompile Include="engine\network\UDPSocket.cpp" />
     <ClCompile Include="engine\Object.cpp" />
     <ClCompile Include="engine\physics\RigidBody.cpp" />
-    <ClCompile Include="engine\physics\Solver.cpp" />
     <ClCompile Include="engine\Plane.cpp" />
+    <ClCompile Include="engine\Point4D.cpp" />
     <ClCompile Include="engine\ResourceManager.cpp" />
     <ClCompile Include="engine\Screen.cpp" />
+    <ClCompile Include="engine\SoundController.cpp" />
     <ClCompile Include="engine\Triangle.cpp" />
     <ClCompile Include="engine\utils\Log.cpp" />
-    <ClCompile Include="engine\utils\Matrix4x4.cpp" />
-    <ClCompile Include="engine\utils\Point4D.cpp" />
     <ClCompile Include="engine\utils\Time.cpp" />
+    <ClCompile Include="engine\Vec2D.cpp" />
+    <ClCompile Include="engine\Vec3D.cpp" />
     <ClCompile Include="engine\World.cpp" />
     <ClCompile Include="Player.cpp" />
     <ClCompile Include="PlayerController.cpp" />
@@ -213,14 +215,15 @@
     <ClInclude Include="engine\animation\Interpolation.h" />
     <ClInclude Include="engine\animation\Timeline.h" />
     <ClInclude Include="engine\Camera.h" />
+    <ClInclude Include="engine\Consts.h" />
     <ClInclude Include="engine\Engine.h" />
     <ClInclude Include="engine\gui\Button.h" />
     <ClInclude Include="engine\gui\Window.h" />
     <ClInclude Include="engine\Keyboard.h" />
+    <ClInclude Include="engine\Matrix4x4.h" />
     <ClInclude Include="engine\Mesh.h" />
     <ClInclude Include="engine\Mouse.h" />
     <ClInclude Include="engine\network\ClientUDP.h" />
-    <ClInclude Include="engine\network\config.h" />
     <ClInclude Include="engine\network\MsgType.h" />
     <ClInclude Include="engine\network\ReliableMsg.h" />
     <ClInclude Include="engine\network\ServerUDP.h" />
@@ -229,20 +232,22 @@
     <ClInclude Include="engine\Object.h" />
     <ClInclude Include="engine\physics\RigidBody.h" />
     <ClInclude Include="engine\physics\Simplex.h" />
-    <ClInclude Include="engine\physics\Solver.h" />
     <ClInclude Include="engine\Plane.h" />
+    <ClInclude Include="engine\Point4D.h" />
     <ClInclude Include="engine\ResourceManager.h" />
     <ClInclude Include="engine\Screen.h" />
+    <ClInclude Include="engine\SoundController.h" />
     <ClInclude Include="engine\Triangle.h" />
     <ClInclude Include="engine\utils\Log.h" />
-    <ClInclude Include="engine\utils\Matrix4x4.h" />
-    <ClInclude Include="engine\utils\Point4D.h" />
     <ClInclude Include="engine\utils\Time.h" />
+    <ClInclude Include="engine\Vec2D.h" />
+    <ClInclude Include="engine\Vec3D.h" />
     <ClInclude Include="engine\World.h" />
     <ClInclude Include="Player.h" />
     <ClInclude Include="PlayerController.h" />
     <ClInclude Include="Server.h" />
     <ClInclude Include="Shooter.h" />
+    <ClInclude Include="ShooterConsts.h" />
     <ClInclude Include="weapon\Ak47.h" />
     <ClInclude Include="weapon\Gold_Ak47.h" />
     <ClInclude Include="weapon\Gun.h" />
@@ -250,16 +255,6 @@
     <ClInclude Include="weapon\Shotgun.h" />
     <ClInclude Include="weapon\Weapon.h" />
   </ItemGroup>
-  <ItemGroup>
-    <Text Include="maps\materials.txt" />
-    <Text Include="obj\ability_mat.txt" />
-    <Text Include="obj\ak47_mat.txt" />
-    <Text Include="obj\gold_ak47_mat.txt" />
-    <Text Include="obj\gun_mat.txt" />
-    <Text Include="obj\hill_mat.txt" />
-    <Text Include="obj\rifle_mat.txt" />
-    <Text Include="obj\shotgun_mat.txt" />
-  </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
diff --git a/shooter.vcxproj.filters b/shooter.vcxproj.filters
index 2828a91..bf525e9 100644
--- a/shooter.vcxproj.filters
+++ b/shooter.vcxproj.filters
@@ -72,21 +72,12 @@
     <ClCompile Include="engine\utils\Log.cpp">
       <Filter>Исходные файлы</Filter>
     </ClCompile>
-    <ClCompile Include="engine\utils\Matrix4x4.cpp">
-      <Filter>Исходные файлы</Filter>
-    </ClCompile>
-    <ClCompile Include="engine\utils\Point4D.cpp">
-      <Filter>Исходные файлы</Filter>
-    </ClCompile>
     <ClCompile Include="engine\utils\Time.cpp">
       <Filter>Исходные файлы</Filter>
     </ClCompile>
     <ClCompile Include="engine\physics\RigidBody.cpp">
       <Filter>Исходные файлы</Filter>
     </ClCompile>
-    <ClCompile Include="engine\physics\Solver.cpp">
-      <Filter>Исходные файлы</Filter>
-    </ClCompile>
     <ClCompile Include="engine\network\ClientUDP.cpp">
       <Filter>Исходные файлы</Filter>
     </ClCompile>
@@ -132,6 +123,21 @@
     <ClCompile Include="weapon\Weapon.cpp">
       <Filter>Исходные файлы</Filter>
     </ClCompile>
+    <ClCompile Include="engine\Matrix4x4.cpp">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="engine\Point4D.cpp">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="engine\SoundController.cpp">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="engine\Vec2D.cpp">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="engine\Vec3D.cpp">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Bonus.h">
@@ -188,12 +194,6 @@
     <ClInclude Include="engine\utils\Log.h">
       <Filter>Файлы заголовков</Filter>
     </ClInclude>
-    <ClInclude Include="engine\utils\Matrix4x4.h">
-      <Filter>Файлы заголовков</Filter>
-    </ClInclude>
-    <ClInclude Include="engine\utils\Point4D.h">
-      <Filter>Файлы заголовков</Filter>
-    </ClInclude>
     <ClInclude Include="engine\utils\Time.h">
       <Filter>Файлы заголовков</Filter>
     </ClInclude>
@@ -203,15 +203,9 @@
     <ClInclude Include="engine\physics\Simplex.h">
       <Filter>Файлы заголовков</Filter>
     </ClInclude>
-    <ClInclude Include="engine\physics\Solver.h">
-      <Filter>Файлы заголовков</Filter>
-    </ClInclude>
     <ClInclude Include="engine\network\ClientUDP.h">
       <Filter>Файлы заголовков</Filter>
     </ClInclude>
-    <ClInclude Include="engine\network\config.h">
-      <Filter>Файлы заголовков</Filter>
-    </ClInclude>
     <ClInclude Include="engine\network\MsgType.h">
       <Filter>Файлы заголовков</Filter>
     </ClInclude>
@@ -281,15 +275,26 @@
     <ClInclude Include="weapon\Weapon.h">
       <Filter>Файлы заголовков</Filter>
     </ClInclude>
-  </ItemGroup>
-  <ItemGroup>
-    <Text Include="obj\ability_mat.txt" />
-    <Text Include="obj\ak47_mat.txt" />
-    <Text Include="obj\gold_ak47_mat.txt" />
-    <Text Include="obj\gun_mat.txt" />
-    <Text Include="obj\hill_mat.txt" />
-    <Text Include="obj\rifle_mat.txt" />
-    <Text Include="obj\shotgun_mat.txt" />
-    <Text Include="maps\materials.txt" />
+    <ClInclude Include="ShooterConsts.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+    <ClInclude Include="engine\Consts.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+    <ClInclude Include="engine\Matrix4x4.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+    <ClInclude Include="engine\Point4D.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+    <ClInclude Include="engine\SoundController.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+    <ClInclude Include="engine\Vec2D.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+    <ClInclude Include="engine\Vec3D.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/weapon/Weapon.cpp b/weapon/Weapon.cpp
index 28dd570..6f2c2aa 100644
--- a/weapon/Weapon.cpp
+++ b/weapon/Weapon.cpp
@@ -51,7 +51,7 @@ void Weapon::reload() {
         _stockAmmo = 0;
     }
 
-    SoundController::playSound(SoundTag("fire"), reloadSound);
+    SoundController::playSound(SoundTag("reload"), reloadSound);
     Log::log("Weapon::reload (" + std::to_string(_stockAmmo) + " : " + std::to_string(_clipAmmo) + ")");
     _lastReloadTime = Time::time();
 }