-
- // Get constraint parameters and check the sign of constraint value
- std::vector<Slvs_hConstraint>::iterator aCIter = mySlvsConstraints.begin();
- for (; aCIter != mySlvsConstraints.end(); aCIter++) {
- Slvs_Constraint aConstraint = myStorage->getConstraint(*aCIter);
- Slvs_Entity aLine = myStorage->getEntity(aConstraint.entityA);
- // Obtain point and line coordinates
- Slvs_hEntity aPointID[3] = {aConstraint.ptA, aLine.point[0], aLine.point[1]};
- std::shared_ptr<GeomAPI_XY> aPoints[3];
- for (int i = 0; i < 3; i++) {
- Slvs_Entity aPoint = myStorage->getEntity(aPointID[i]);
- Slvs_Param aParams[2] = {
- myStorage->getParameter(aPoint.param[0]),
- myStorage->getParameter(aPoint.param[1])};
- aPoints[i] = std::shared_ptr<GeomAPI_XY>(new GeomAPI_XY(aParams[0].val, aParams[1].val));
- }
- std::shared_ptr<GeomAPI_XY> aLineVec = aPoints[2]->decreased(aPoints[1]);
- std::shared_ptr<GeomAPI_XY> aPtLineVec = aPoints[0]->decreased(aPoints[1]);
- if (aPtLineVec->cross(aLineVec) * aConstraint.valA < 0.0) {
- aConstraint.valA *= -1.0;
- myStorage->updateConstraint(aConstraint);
- }