Ejemplo n.º 1
0
        // [TODO] no reason we couldn't start on edge midpoint??
        public virtual void AppendPolygon2d(FillPolygon2d poly)
        {
            Vector3d currentPos  = Builder.Position;
            Vector2d currentPos2 = currentPos.xy;

            int N = poly.VertexCount;

            if (N < 2)
            {
                throw new Exception("PathScheduler.AppendPolygon2d: degenerate curve!");
            }

            int iNearest = CurveUtils2.FindNearestVertex(currentPos2, poly.Vertices);

            Vector2d startPt = poly[iNearest];

            Builder.AppendTravel(startPt, Settings.RapidTravelSpeed);

            List <Vector2d> loopV = new List <Vector2d>(N + 1);

            for (int i = 0; i <= N; i++)
            {
                int k = (iNearest + i) % N;
                loopV.Add(poly[k]);
            }

            double useSpeed = select_speed(poly);

            Builder.AppendExtrude(loopV, useSpeed, poly.TypeFlags, null);
        }
Ejemplo n.º 2
0
        public void SortAndAppendTo(Vector2d startPoint, IFillPathScheduler2d scheduler)
        {
            var saveHint = scheduler.SpeedHint;

            OutPoint = startPoint;

            List <Index3i> sorted = find_short_path_v1(startPoint);

            foreach (Index3i idx in sorted)
            {
                FillCurveSet2d paths = new FillCurveSet2d();

                SchedulerSpeedHint pathHint = SchedulerSpeedHint.Default;
                if (idx.a == 0)   // loop
                {
                    PathLoop loop = Loops[idx.b];
                    pathHint = loop.speedHint;
                    if (idx.c != 0)
                    {
                        int           iStart = idx.c;
                        FillPolygon2d o      = new FillPolygon2d();
                        int           N      = loop.curve.VertexCount;
                        for (int i = 0; i < N; ++i)
                        {
                            o.AppendVertex(loop.curve[(i + iStart) % N]);
                        }
                        o.TypeFlags = loop.curve.TypeFlags;
                        paths.Append(o);
                        OutPoint = o.Vertices[0];
                    }
                    else
                    {
                        paths.Append(loop.curve);
                        OutPoint = loop.curve.Vertices[0];
                    }
                }
                else      // span
                {
                    PathSpan span = Spans[idx.b];
                    if (idx.c == 1)
                    {
                        span.curve.Reverse();
                    }
                    paths.Append(span.curve);
                    OutPoint = span.curve.End;
                    pathHint = span.speedHint;
                }

                scheduler.SpeedHint = pathHint;
                scheduler.AppendCurveSets(new List <FillCurveSet2d>()
                {
                    paths
                });
            }

            scheduler.SpeedHint = saveHint;
        }
Ejemplo n.º 3
0
 public void Append(FillPolygon2d loop)
 {
     Loops.Add(loop);
 }