Refactoring: Make GeoUtils reusable

code/Geometry/GeometryUtils.h

@@ -0,0 +1,13 @@
+#include <assimp/types.h>
+#include <assimp/mesh.h>
+
+namespace Assimp {
+
+class GeometryUtils {
+public:
+    static ai_real heron( ai_real a, ai_real b, ai_real c );
+    static ai_real distance3D( const aiVector3D &vA, aiVector3D &vB );
+    static ai_real calculateAreaOfTriangle( const aiFace& face, aiMesh* mesh );
+};
+
+} // namespace Assimp