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

@@ -121,18 +121,17 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="src\AssetManager.c" />
+    <ClCompile Include="src\Asteroid.c" />
     <ClCompile Include="src\Audio.c" />
     <ClCompile Include="src\Common.c" />
     <ClCompile Include="src\Debug.c" />
     <ClCompile Include="src\dengine.c" />
-    <ClCompile Include="src\Entity.c" />
     <ClCompile Include="src\MemoryArena.c" />
     <ClCompile Include="src\Platform.c" />
     <ClCompile Include="src\Renderer.c" />
     <ClCompile Include="src\Shader.c" />
     <ClCompile Include="src\String.c" />
     <ClCompile Include="src\UserInterface.c" />
-    <ClCompile Include="src\WorldTraveller.c" />
     <ClCompile Include="src\Texture.c" />
   </ItemGroup>
   <ItemGroup>
@@ -143,14 +142,15 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="src\include\Dengine\Assets.h" />
+    <ClInclude Include="src\include\Dengine\Asteroid.h" />
     <ClInclude Include="src\include\Dengine\Audio.h" />
     <ClInclude Include="src\include\Dengine\Debug.h" />
+    <ClInclude Include="src\include\Dengine\Entity.h" />
     <ClInclude Include="src\include\Dengine\MemoryArena.h" />
     <ClInclude Include="src\include\Dengine\Platform.h" />
     <ClInclude Include="src\include\Dengine\AssetManager.h" />
     <ClInclude Include="src\include\Dengine\Common.h" />
     <ClInclude Include="src\include\Breakout\Game.h" />
-    <ClInclude Include="src\include\Dengine\Entity.h" />
     <ClInclude Include="src\include\Dengine\Math.h" />
     <ClInclude Include="src\include\Dengine\OpenGL.h" />
     <ClInclude Include="src\include\Dengine\Renderer.h" />