Function mPerp

Engine/source/math/mPoint.cpp:63–79

Point3F mPerp( const Point3F &inVec )
{   
   AssertFatal( inVec.len() > 0.0f, "mPerp() - zero length vector has no perp!" );
   AssertFatal( inVec.isUnitLength(), "mPerp() - passed vector must be normalized!" );

   U32 idx = inVec.getLeastComponentIndex();

   Point3F vec( 0.0f, 0.0f, 0.0f );
   vec[idx] = 1.0f;

   Point3F outVec = mCross( inVec, vec );
   outVec.normalize();

   //AssertFatal( mIsZero( mDot( inVec, outVec ) ), "mPerp, failed to generate perpendicular" );

   return outVec;   
}