orbital: create a Camera class where we will hide the complexity.

win32/orbital.vcxproj

@@ -27,6 +27,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="..\orbital\camera.h" />
     <ClInclude Include="..\orbital\mesh.h" />
     <ClInclude Include="..\orbital\orbital.h" />
     <ClInclude Include="..\orbital\particlesystem.h" />
@@ -57,4 +58,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
+</Project>

win32/orbital.vcxproj.filters

@@ -2,6 +2,7 @@
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
     <ClInclude Include="..\orbital\mesh.h" />
+    <ClInclude Include="..\orbital\camera.h" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\orbital\orbital.h" />
@@ -12,4 +13,4 @@
   <ItemGroup>
     <ClCompile Include="..\orbital\orbital.cpp" />
   </ItemGroup>
-</Project>
+</Project>