orbital: first try at a particle system.

win32/orbital.vcxproj

@@ -29,6 +29,7 @@
   <ItemGroup>
     <ClInclude Include="..\orbital\mesh.h" />
     <ClInclude Include="..\orbital\orbital.h" />
+    <ClInclude Include="..\orbital\particlesystem.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\orbital\orbital.cpp" />

win32/orbital.vcxproj.filters

@@ -6,6 +6,9 @@
   <ItemGroup>
     <ClInclude Include="..\orbital\orbital.h" />
   </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\orbital\particlesystem.h" />
+  </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\orbital\orbital.cpp" />
   </ItemGroup>