Normalize default camera controls so that is appears as if the camera is

the object being moved. Also, allow mouse inversion for secondary movement.

apps/opencs/model/prefs/state.cpp

@@ -172,8 +172,8 @@ void CSMPrefs::State::declare()
     inputButtons.add (left).add (cLeft).add (right).add (cRight).add (middle).add (cMiddle);
     declareEnum ("p-navi", "Primary Camera Navigation Button", left).addValues (inputButtons);
     declareEnum ("s-navi", "Secondary Camera Navigation Button", cLeft).addValues (inputButtons);
-    declareDouble ("p-navi-sensitivity", "Camera Sensitivity", -1/750.).setRange(-2.0, 2.0);
+    declareDouble ("p-navi-sensitivity", "Camera Sensitivity", 1/650.).setRange(-2.0, 2.0);
-    declareDouble ("s-navi-sensitivity", "Secondary Camera Movement Sensitivity", 50.0).setRange(1.0, 1000.0);
+    declareDouble ("s-navi-sensitivity", "Secondary Camera Movement Sensitivity", 50.0).setRange(-1000.0, 1000.0);
     declareDouble ("navi-wheel-factor", "Camera Zoom Sensitivity", 8).setRange(-100.0, 100.0);
     declareDouble ("navi-free-lin-speed", "Free Camera Linear Speed", 1000.0).setRange(1.0, 10000.0);
     declareDouble ("navi-free-rot-speed", "Free Camera Rotational Speed", 3.14 / 2).setRange(0.001, 6.28);

apps/opencs/view/render/cameracontroller.cpp

@@ -27,7 +27,7 @@ namespace CSVRender
     CameraController::CameraController()
         : mActive(false)
         , mModified(false)
-        , mCameraSensitivity(-1/700.f)
+        , mCameraSensitivity(1/650.f)
         , mSecondaryMoveMult(50)
         , mWheelMoveMult(8)
         , mCamera(NULL)