Пример #1
0
        public override SolverPreviewObject InterestingShapeAroundPoint(gpPln planeOfTheView, Point3D currentPoint,
                                                                        Point3D initialPosition)
        {
            if (currentPoint.IsEqual(initialPosition))
            {
                return(null);
            }

            var qosLock = QosFactory.Instance.Get(QosNames.ParallelLineLock);

            qosLock.Begin();

            var vec = new gpVec(initialPosition.GpPnt, currentPoint.GpPnt);

            foreach (var solverGeometricObject in Geometry)
            {
                if (solverGeometricObject.ParallelAxis.Count == 0)
                {
                    continue;
                }
                foreach (var axis in solverGeometricObject.ParallelAxis)
                {
                    if (vec.IsNormal(axis.Vector, _precision))
                    {
                        var   planeNormal     = vec.Crossed(axis.Vector);
                        var   planeNormalAxis = new gpAx1(initialPosition.GpPnt, new gpDir(planeNormal));
                        gpVec v2 = axis.Vector.Normalized;
                        v2.Rotate(planeNormalAxis, Math.PI / 2.0);

                        var parallelLine    = new gceMakeLin(initialPosition.GpPnt, new gpDir(v2)).Value;
                        var geomLine        = new GeomLine(parallelLine);
                        var projectionPoint = new GeomAPIProjectPointOnCurve(currentPoint.GpPnt, geomLine);

                        if (projectionPoint.NbPoints <= 0)
                        {
                            return(null);
                        }
                        var secondPoint = new Point3D(projectionPoint.NearestPoint);
                        var solverPoint = new SolverEdgeTwoPointsResult(secondPoint, initialPosition, Color.Black)
                        {
                            Type = "Perpendicular Line"
                        };
                        return(solverPoint);
                    }
                }
            }
            qosLock.End();

            return(null);
        }