Method clickOnLine

Engine/source/environment/meshRoad.cpp:283–313

}

S32 MeshRoadProfile::clickOnLine(Point3F &p)
{
   Point3F newProfilePt;
   Point3F ptOnSegment;
   F32 dist = 0.0f;
   F32 minDist = 99999.0f;
   U32 idx = 0;

   for(U32 i=0; i < mNodes.size()-1; i++)
   {
      ptOnSegment = MathUtils::mClosestPointOnSegment(mNodes[i].getPosition(), mNodes[i+1].getPosition(), p);

      dist = (p - ptOnSegment).len();

      if(dist < minDist)
      {
         minDist = dist;
         newProfilePt = ptOnSegment;
         idx = i+1;
      }
   }

   if(minDist <= 0.1f)
   {
      p.set(newProfilePt.x, newProfilePt.y, newProfilePt.z);

      return idx;
   }

   return -1;
}

void MeshRoadProfile::addPoint(U32 nodeId, Point3F &p)
{