class SketchSolver_ConstraintDistance : public SketchSolver_Constraint
{
public:
+ /// Constructor based on SketchPlugin constraint
SketchSolver_ConstraintDistance(ConstraintPtr theConstraint) :
- SketchSolver_Constraint(theConstraint), myType(SLVS_C_UNKNOWN)
+ SketchSolver_Constraint(theConstraint),
+ myIsNegative(false)
{}
- virtual int getType() const
- {return myType; }
+ /// \brief Update constraint
+ virtual void update();
protected:
- /// \brief Converts SketchPlugin constraint to a list of SolveSpace constraints
- virtual void process();
+ /// \brief Generate list of attributes of constraint in order useful for constraints
+ /// \param[out] theValue numerical characteristic of constraint (e.g. distance)
+ /// \param[out] theAttributes list of attributes to be filled
+ virtual void getAttributes(double& theValue, std::vector<EntityWrapperPtr>& theAttributes);
- /// \brief Verifies the sign of the distance between line and point and change it if necessary
+ /// \brief This method is used in derived objects to check consistence of constraint.
+ /// E.g. the distance between line and point may be signed.
virtual void adjustConstraint();
private:
- int myType; ///< type of constraint (applicable: SLVS_C_PT_PT_DISTANCE, SLVS_C_PT_LINE_DISTANCE)
+ double myPrevValue; ///< previous value of distance (for correct calculation of a distance sign)
+
+ /// \c true, if the point if placed rightside of line direction (SLVS_C_PT_LINE_DISTANCE only)
+ bool myIsNegative;
};
#endif
