Switch developing game to asteroids, start project

Switch to something of smaller scope in aim to be able to finish a project from
start to finish. Also allow refreshed eyes to review the existing API and see
what can be improved on after taking a short break from the project.

Dengine.vcxproj.filters

@@ -15,9 +15,6 @@
     </Filter>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="src\WorldTraveller.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="src\Texture.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -42,9 +39,6 @@
     <ClCompile Include="src\Audio.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="src\Entity.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="src\dengine.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -57,6 +51,9 @@
     <ClCompile Include="src\MemoryArena.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="src\Asteroid.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <None Include="data\shaders\default.vert.glsl" />
@@ -86,9 +83,6 @@
     <ClInclude Include="src\include\Dengine\Renderer.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="src\include\Dengine\Entity.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="src\include\Dengine\Math.h">
       <Filter>Header Files</Filter>
     </ClInclude>
@@ -116,5 +110,11 @@
     <ClInclude Include="src\include\Dengine\String.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="src\include\Dengine\Asteroid.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="src\include\Dengine\Entity.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>