Changed #define FBX_FOV_UNKNOWN to const float kFovUnknown

code/AssetLib/FBX/FBXConverter.cpp

@@ -438,7 +438,7 @@ void FBXConverter::ConvertCamera(const Camera &cam, const std::string &orig_name
 
     float fov_deg = cam.FieldOfView();
     // If FOV not specified in file, compute using FilmWidth and FocalLength.
-    if (fov_deg == FBX_FOV_UNKNOWN) {
+    if (fov_deg == kFovUnknown) {
         float film_width_inches = cam.FilmWidth();
         float focal_length_mm = cam.FocalLength();
         ASSIMP_LOG_VERBOSE_DEBUG("FBX FOV unspecified. Computing from FilmWidth (", film_width_inches, "inches) and FocalLength (", focal_length_mm, "mm).");

code/AssetLib/FBX/FBXDocument.h

@@ -55,12 +55,13 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define _AI_CONCAT(a,b)  a ## b
 #define  AI_CONCAT(a,b)  _AI_CONCAT(a,b)
 
-/* Use an 'illegal' default FOV value to detect if the FBX camera has set the FOV. */
-#define FBX_FOV_UNKNOWN -1.0f
 
 namespace Assimp {
 namespace FBX {
 
+// Use an 'illegal' default FOV value to detect if the FBX camera has set the FOV.
+static const float kFovUnknown = -1.0f;
+
 
 class Parser;
 class Object;
@@ -251,7 +252,7 @@ public:
     fbx_simple_property(FilmAspectRatio, float, 1.0f)
     fbx_simple_property(ApertureMode, int, 0)
 
-    fbx_simple_property(FieldOfView, float, FBX_FOV_UNKNOWN)
+    fbx_simple_property(FieldOfView, float, kFovUnknown)
     fbx_simple_property(FocalLength, float, 1.0f)
 };