Exemple #1
0
        private static List <Vector3> intersect(Bezeir b1, Bezeir b2)
        {
            Vector2 A2 = b1.P0 - 2 * b1.P1 + b1.P2;
            Vector2 A1 = -2 * b1.P0 + 2 * b1.P1;
            Vector2 A0 = b1.P0;
            Vector2 B2 = b2.P0 - 2 * b2.P1 + b2.P2;
            Vector2 B1 = -2 * b2.P0 + 2 * b2.P1;
            Vector2 B0 = b2.P0;

            return(filter(Algebra.parametricFunctionSolver(A0, A1, A2, B0, B1, B2), b1, b2));
        }
Exemple #2
0
        public static Curve TryInit(Vector3 _P0, Vector3 _P1, Vector3 _P2)
        {
            if (Geometry.Parallel(_P1 - _P0, _P2 - _P1))
            {
                Debug.LogWarning("Bezeir Ctrl Point Parallel!");
                return(Line.TryInit(_P0, _P2));
            }
            Bezeir candidate = new Bezeir(_P0, _P1, _P2);

            if (Algebra.isclose(candidate.length, 0f))
            {
                Debug.LogWarning("try creating Bezeir of zero length!");
                return(null);
            }
            else
            {
                return(candidate);
            }
        }
Exemple #3
0
        public override List <Curve> segmentation(float maxlen)
        {
            List <Curve> result    = new List <Curve>();
            float        lastEnd   = 0f;
            int          fragCount = Mathf.CeilToInt(this.length / maxlen);

            for (int multipler = 0; multipler < fragCount; multipler++)
            {
                float thisEnd;
                thisEnd = Algebra.NewTown(this.lengthByParam, this.lengthGradient, Mathf.Min(this.length, (float)(multipler + 1) * maxlen), Mathf.Min(1f, maxlen / this.length * (multipler + 1)));

                Curve fragment = Bezeir.TryInit(this.P0, this.P1, this.P2, this.z_start + this.z_offset * lastEnd, this.z_start + this.z_offset * thisEnd);
                fragment.t_start = toGlobalParam(lastEnd);
                fragment.t_end   = toGlobalParam(thisEnd);
                result.Add(fragment);
                lastEnd = thisEnd;
            }
            return(result);
        }
Exemple #4
0
        Road generateVirtualRoad(int i1, int i2)
        {
            Road r1 = connection[i1];
            Road r2 = connection[i2];

            if (outLaneRange[i1, i2] == null)
            {
                return(null);
            }
            int loOutLaneNum = outLaneRange[i1, i2].First;
            int hiOutLaneNum = outLaneRange[i1, i2].Second;

            int loInLaneNum = inLaneRange[i2, i1].First;
            int hiInLaneNum = inLaneRange[i2, i1].Second;

            Debug.Assert(hiOutLaneNum - loOutLaneNum == hiInLaneNum - loInLaneNum);

            float r1_margin = startof(r1.curve) ? r1.margin0Param : r1.margin1Param;
            float r2_margin = startof(r2.curve) ? r2.margin0Param : r2.margin1Param;

            float   r1_radiOffset = 0.5f * (r1.getLaneCenterOffset(loOutLaneNum, !startof(r1.curve)) + r1.getLaneCenterOffset(hiOutLaneNum, !startof(r1.curve)));
            float   r2_radiOffset = 0.5f * (r2.getLaneCenterOffset(loInLaneNum, startof(r2.curve)) + r2.getLaneCenterOffset(hiInLaneNum, startof(r2.curve)));
            Vector3 r1_endPos     = r1.at(r1_margin) + r1.rightNormal(r1_margin) * r1_radiOffset;
            Vector3 r2_endPos     = r2.at(r2_margin) + r2.rightNormal(r2_margin) * r2_radiOffset;

            List <string> virtualRoadLaneCfg   = new List <string>();
            int           virtualRoadLaneCount = hiOutLaneNum - loOutLaneNum + 1;

            for (int i = 0; i != virtualRoadLaneCount; ++i)
            {
                virtualRoadLaneCfg.Add("lane");
                if (i != virtualRoadLaneCount - 1)
                {
                    virtualRoadLaneCfg.Add("dash_white");
                }
            }

            Vector2 r1_direction = startof(r1.curve) ? -r1.curve.direction_2d(r1_margin) : r1.curve.direction_2d(r1_margin);
            Vector2 r2_direction = startof(r2.curve) ? -r2.curve.direction_2d(r2_margin) : r2.curve.direction_2d(r2_margin);

            if (Geometry.Parallel(r1_direction, r2_direction))
            {
                /*TODO: perform a U turn when r1 = r2*/
                if (Algebra.isRoadNodeClose(r1_endPos, r2_endPos))
                {
                    /*exact same lane config for neighbors, just go straight*/
                    return(null);
                }
                //return new Road(Line.TryInit(r1_endPos, r2_endPos), virtualRoadLaneCfg, _noEntity: true);
                return(createNoEntityRoadIfNotNull(Line.TryInit(r1_endPos, r2_endPos), virtualRoadLaneCfg));
            }
            else
            {
                Curve          l1 = Line.TryInit(Algebra.toVector2(r1_endPos), Algebra.toVector2(r1_endPos) + Algebra.InfLength * r1_direction, r1_endPos.y, r1_endPos.y);
                Curve          l2 = Line.TryInit(Algebra.toVector2(r2_endPos), Algebra.toVector2(r2_endPos) + Algebra.InfLength * r2_direction, r2_endPos.y, r2_endPos.y);
                List <Vector3> intereSectionPoint = Geometry.curveIntersect(l1, l2);
                if (intereSectionPoint.Count == 1)
                {
                    //return new Road(Bezeir.TryInit(r1_endPos, intereSectionPoint.First(), r2_endPos), virtualRoadLaneCfg, _noEntity: true);
                    return(createNoEntityRoadIfNotNull(Bezeir.TryInit(r1_endPos, intereSectionPoint.First(), r2_endPos), virtualRoadLaneCfg));
                }
                else
                {
                    //return new Road(Line.TryInit(r1_endPos, r2_endPos), virtualRoadLaneCfg, _noEntity: true);
                    return(createNoEntityRoadIfNotNull(Line.TryInit(r1_endPos, r2_endPos), virtualRoadLaneCfg));
                }
            }
        }
Exemple #5
0
        Pair <float, float> smoothenCrossing(Road r1, Road r2, out List <Curve> smootheners)
        {
            float r1_angle    = startof(r1.curve) ? r1.curve.angle_ending(true) : r1.curve.angle_ending(false);
            float r2_angle    = startof(r2.curve) ? r2.curve.angle_ending(true) : r2.curve.angle_ending(false);
            float delta_angle = r1_angle < r2_angle ? r2_angle - r1_angle : r2_angle + 2 * Mathf.PI - r1_angle;

            this.r1     = r1;
            this.r2     = r2;
            smootheners = new List <Curve>();
            Vector2 streetCorner = approxStreetCorner();

            //debugPoints.Add(Algebra.toVector3(streetCorner));

            switch (Geometry.getAngleType(delta_angle))
            {
            case angleType.Sharp:
            case angleType.Blunt:
                if (c1_offset > 0f && c2_offset > 0f)
                {
                    /*c1,c2>0*/
                    float extraSmoothingLength = arcSmoothingRadius / Mathf.Tan(delta_angle / 2);
                    addIfNotNull(smootheners, Arc.TryInit(r1.curve.at_ending_2d(startof(r1.curve), c1_offset + extraSmoothingLength) +
                                                          Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve), c1_offset + extraSmoothingLength) + Mathf.PI / 2) * r1.width / 2,
                                                          Mathf.PI - delta_angle,
                                                          r2.curve.at_ending_2d(startof(r2.curve), c2_offset + extraSmoothingLength) +
                                                          Algebra.angle2dir(r2.curve.angle_ending(startof(r2.curve), c2_offset + extraSmoothingLength) - Mathf.PI / 2) * r2.width / 2));
                    return(new Pair <float, float>(c1_offset + extraSmoothingLength, c2_offset + extraSmoothingLength));
                }
                if (c1_offset > 0f)
                {
                    /*c1>0, c2<=0*/
                    float smoothRadius = -c2_offset;
                    addIfNotNull(smootheners, Arc.TryInit(r1.curve.at_ending_2d(startof(r1.curve), c1_offset + smoothRadius) +
                                                          Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve), c1_offset + smoothRadius) + Mathf.PI / 2) * r1.width / 2,
                                                          Mathf.PI - delta_angle,
                                                          r2.curve.at_ending_2d(startof(r2.curve)) +
                                                          Algebra.angle2dir(r2.curve.angle_ending(startof(r2.curve)) - Mathf.PI / 2) * r2.width / 2));
                    /*TODO: calculate more precise delta_angle*/
                    return(new Pair <float, float>(c1_offset + smoothRadius, 0));
                }
                if (c2_offset > 0f)
                {
                    /*c1<0, c2>0*/
                    float smoothRadius = -c1_offset;
                    Curve smoothener   = Arc.TryInit(r1.curve.at_ending_2d(startof(r1.curve)) +
                                                     Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve)) + Mathf.PI / 2) * r1.width / 2,
                                                     Mathf.PI - delta_angle,
                                                     r2.curve.at_ending_2d(startof(r2.curve), c2_offset + smoothRadius) +
                                                     Algebra.angle2dir(r2.curve.angle_ending(startof(r2.curve), c2_offset + smoothRadius) - Mathf.PI / 2) * r2.width / 2);
                    addIfNotNull(smootheners, smoothener);
                    return(new Pair <float, float>(0, c2_offset + smoothRadius));
                }
                Debug.Assert(false);
                break;

            case angleType.Flat:
                if (r1.width == r2.width)
                {
                    return(new Pair <float, float>(0, 0));
                }
                float widthDiff = Math.Abs(r1.width - r2.width) / 2;
                if (r1.width > r2.width)
                {
                    Vector2 P0 = r1.curve.at_ending_2d(startof(r1.curve)) +
                                 Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve)) + Mathf.PI / 2) * r1.width / 2;
                    Vector2 P1 = r2.curve.at_ending_2d(startof(r2.curve), widthDiff * bezeirSmoothingScale * 0.25f) +
                                 Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve), widthDiff * bezeirSmoothingScale * 0.25f) + Mathf.PI / 2) * r1.width / 2;
                    Vector2 P4 = r2.curve.at_ending_2d(startof(r2.curve), widthDiff * bezeirSmoothingScale) +
                                 Algebra.angle2dir(r2.curve.angle_ending(startof(r2.curve), widthDiff * bezeirSmoothingScale) - Mathf.PI / 2) * r2.width / 2;
                    Vector2 P3 = r2.curve.at_ending_2d(startof(r2.curve), widthDiff * bezeirSmoothingScale * 0.75f) +
                                 Algebra.angle2dir(r2.curve.angle_ending(startof(r2.curve), widthDiff * bezeirSmoothingScale * 0.75f) - Mathf.PI / 2) * r2.width / 2;
                    Vector2 P2 = (P1 + P3) / 2;
                    addIfNotNull(smootheners, Bezeir.TryInit(P0, P1, P2));
                    addIfNotNull(smootheners, Bezeir.TryInit(P2, P3, P4));
                    return(new Pair <float, float>(0f, widthDiff * bezeirSmoothingScale));
                }
                else
                {
                    Vector2 P0 = r1.curve.at_ending_2d(startof(r1.curve), widthDiff * bezeirSmoothingScale)
                                 + Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve), widthDiff * bezeirSmoothingScale) + Mathf.PI / 2) * r1.width / 2;
                    Vector2 P1 = r1.curve.at_ending_2d(startof(r1.curve), widthDiff * bezeirSmoothingScale * 0.75f)
                                 + Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve), widthDiff * bezeirSmoothingScale * 0.75f) + Mathf.PI / 2) * r1.width / 2;
                    Vector2 P3 = r1.curve.at_ending_2d(startof(r1.curve), widthDiff * bezeirSmoothingScale * 0.25f)
                                 + Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve), widthDiff * bezeirSmoothingScale * 0.25f) + Mathf.PI / 2) * r2.width / 2;
                    Vector2 P4 = r2.curve.at_ending_2d(startof(r2.curve)) +
                                 Algebra.angle2dir(r2.curve.angle_ending(startof(r2.curve)) - Mathf.PI / 2) * r2.width / 2;
                    Vector2 P2 = (P1 + P3) / 2;
                    addIfNotNull(smootheners, Bezeir.TryInit(P0, P1, P2));
                    addIfNotNull(smootheners, Bezeir.TryInit(P2, P3, P4));
                    return(new Pair <float, float>(widthDiff * bezeirSmoothingScale, 0f));
                }

            case angleType.Reflex:
                float arcRadius     = Mathf.Max(r1.width / 2, r2.width / 2);
                float bWidthDiff    = Mathf.Abs(r1.width - r2.width) / 2;
                Curve arcSmoothener = Arc.TryInit(twodPosition,
                                                  twodPosition + Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve)) + Mathf.PI / 2) * arcRadius,
                                                  delta_angle - Mathf.PI);
                if (r1.width == r2.width)
                {
                    addIfNotNull(smootheners, arcSmoothener);
                    return(new Pair <float, float>(0f, 0f));
                }
                if (r1.width > r2.width)
                {
                    Vector2 P0 = r2.curve.at_ending_2d(startof(r2.curve)) +
                                 Algebra.angle2dir(r2.curve.angle_ending(startof(r2.curve)) - Mathf.PI / 2) * r1.width / 2;
                    Vector2 P1 = r2.curve.at_ending_2d(startof(r2.curve), bWidthDiff * bezeirSmoothingScale * 0.25f) +
                                 Algebra.angle2dir(r2.curve.angle_ending(startof(r2.curve), bWidthDiff * bezeirSmoothingScale * 0.25f) - Mathf.PI / 2) * r1.width / 2;
                    Vector2 P4 = r2.curve.at_ending_2d(startof(r2.curve), bWidthDiff * bezeirSmoothingScale)
                                 + Algebra.angle2dir(r2.curve.angle_ending(startof(r2.curve), bWidthDiff * bezeirSmoothingScale) - Mathf.PI / 2) * r2.width / 2;
                    Vector2 P3 = r2.curve.at_ending_2d(startof(r2.curve), bWidthDiff * bezeirSmoothingScale * 0.75f)
                                 + Algebra.angle2dir(r2.curve.angle_ending(startof(r2.curve), bWidthDiff * bezeirSmoothingScale * 0.75f) - Mathf.PI / 2) * r2.width / 2;
                    Vector2 P2 = (P1 + P3) / 2;
                    addIfNotNull(smootheners, arcSmoothener);
                    addIfNotNull(smootheners, Bezeir.TryInit(P0, P1, P2));
                    addIfNotNull(smootheners, Bezeir.TryInit(P2, P3, P4));
                    return(new Pair <float, float>(0f, bWidthDiff * bezeirSmoothingScale));
                }
                else
                {
                    Vector2 P0 = r1.curve.at_ending_2d(startof(r1.curve), bWidthDiff * bezeirSmoothingScale)
                                 + Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve), bWidthDiff * bezeirSmoothingScale) + Mathf.PI / 2) * r1.width / 2;
                    Vector2 P1 = r1.curve.at_ending_2d(startof(r1.curve), bWidthDiff * bezeirSmoothingScale * 0.75f)
                                 + Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve), bWidthDiff * bezeirSmoothingScale * 0.75f) + Mathf.PI / 2) * r1.width / 2;
                    Vector2 P3 = r1.curve.at_ending_2d(startof(r1.curve), bWidthDiff * bezeirSmoothingScale * 0.25f)
                                 + Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve), bWidthDiff * bezeirSmoothingScale * 0.25f) + Mathf.PI / 2) * r2.width / 2;
                    Vector2 P4 = r1.curve.at_ending_2d(startof(r1.curve))
                                 + Algebra.angle2dir(r1.curve.angle_ending(startof(r1.curve)) + Mathf.PI / 2) * r2.width / 2;
                    Vector2 P2 = (P1 + P3) / 2;
                    addIfNotNull(smootheners, Bezeir.TryInit(P0, P1, P2));
                    addIfNotNull(smootheners, Bezeir.TryInit(P2, P3, P4));
                    addIfNotNull(smootheners, arcSmoothener);
                    return(new Pair <float, float>(bWidthDiff * bezeirSmoothingScale, 0f));
                }

            default:
                return(new Pair <float, float>(-1f, -1f));
            }
            return(new Pair <float, float>(-1f, -1f));
        }
Exemple #6
0
 private static List <Vector3> intersect(Line b1, Bezeir b2)
 {
     return(intersect(b2, b1));
 }
Exemple #7
0
        public void Update()
        {
            clearAngleDrawing();
            laneConfig = GameObject.FindWithTag("UI/laneconfig").GetComponent <LaneConfigPanelBehavior>().laneconfigresult;
            interestedApproxLines.Clear();

            if (pointer >= 1)
            {
                interestedApproxLines.Add(Line.TryInit(controlPoint[pointer - 1] + Vector3.back * Algebra.InfLength, controlPoint[pointer - 1] + Vector3.forward * Algebra.InfLength));
                interestedApproxLines.Add(Line.TryInit(controlPoint[pointer - 1] + Vector3.left * Algebra.InfLength, controlPoint[pointer - 1] + Vector3.right * Algebra.InfLength));
                if (targetRoad != null && !Algebra.isProjectionClose(controlPoint[pointer - 1], targetRoad.curve.AttouchPoint(controlPoint[pointer - 1])))
                {
                    interestedApproxLines.Add(Line.TryInit(controlPoint[pointer - 1], targetRoad.curve.AttouchPoint(controlPoint[pointer - 1])));
                }
            }

            if (indicatorType == IndicatorType.none)
            {
                nodeIndicator.transform.localScale = Vector3.zero;
            }

            if (controlPoint[pointer].x != Vector3.negativeInfinity.x && indicatorType != IndicatorType.none)
            {
                Vector3 adjustedAttach;
                if (targetRoad != null)
                {
                    adjustedAttach = targetRoad.at(targetRoad.curve.paramOf(targetRoad.curve.AttouchPoint(controlPoint[pointer])).Value);
                }
                else
                {
                    adjustedAttach = controlPoint[pointer];
                }
                nodeIndicator.transform.position   = new Vector3(adjustedAttach.x, adjustedAttach.y / 2 + 0.1f, adjustedAttach.z);
                nodeIndicator.transform.localScale = new Vector3(1.5f, Mathf.Max(1f, adjustedAttach.y / 2), 1.5f);

                if (indicatorType == IndicatorType.line)
                {
                    if (pointer == 1)
                    {
                        Destroy(roadIndicator);
                        addAngleDrawing(controlPoint[1], controlPoint[0]);
                        addAngleDrawing(controlPoint[0], controlPoint[1]);

                        Road cp0_targetRoad;
                        roadManager.approxNodeToExistingRoad(controlPoint[0], out cp0_targetRoad);
                        if (cp0_targetRoad != null)
                        {
                            //perpendicular
                            interestedApproxLines.Add(Line.TryInit(controlPoint[0], controlPoint[0] + Algebra.angle2dir_3d(cp0_targetRoad.curve.Angle_2d((float)cp0_targetRoad.curve.paramOf(controlPoint[0])) + Mathf.PI / 2) * Algebra.InfLength));
                            interestedApproxLines.Add(Line.TryInit(controlPoint[0], controlPoint[0] + Algebra.angle2dir_3d(cp0_targetRoad.curve.Angle_2d((float)cp0_targetRoad.curve.paramOf(controlPoint[0])) - Mathf.PI / 2) * Algebra.InfLength));
                            //extension
                            if (Algebra.isclose(cp0_targetRoad.curve.at_ending(true), controlPoint[0]))
                            {
                                Node crossingRoad;
                                roadManager.findNodeAt(cp0_targetRoad.curve.at_ending(true), out crossingRoad);
                                Debug.Assert(crossingRoad != null);
                                interestedApproxLines.AddRange(crossingRoad.directionalLines(Algebra.InfLength, reverse: true));
                            }
                            else
                            {
                                if (Algebra.isclose(cp0_targetRoad.curve.at_ending(false), controlPoint[0]))
                                {
                                    Node crossingRoad;
                                    roadManager.findNodeAt(cp0_targetRoad.curve.at_ending(false), out crossingRoad);
                                    Debug.Assert(crossingRoad != null);
                                    interestedApproxLines.AddRange(crossingRoad.directionalLines(Algebra.InfLength, reverse: true));
                                }
                            }
                        }

                        if (!Algebra.isProjectionClose(controlPoint[0], controlPoint[1]))
                        {
                            roadIndicator = Instantiate(roadIndicatorPrefab, transform);
                            RoadRenderer roadConfigure = roadIndicator.GetComponent <RoadRenderer>();
                            roadConfigure.generate(Line.TryInit(controlPoint[0], controlPoint[1]), laneConfig);
                        }
                    }

                    if (pointer == 2)
                    {
                        roadManager.addRoad(Line.TryInit(controlPoint[0], controlPoint[1]), laneConfig);
                        reset();
                    }
                }
                if (indicatorType == IndicatorType.bezeir)
                {
                    if (pointer == 1)
                    {
                        Destroy(roadIndicator);
                        addAngleDrawing(controlPoint[1], controlPoint[0]);
                        addAngleDrawing(controlPoint[0], controlPoint[1]);
                        interestedApproxLines.Add(Line.TryInit(controlPoint[0] + Vector3.back * Algebra.InfLength, controlPoint[0] + Vector3.forward * Algebra.InfLength));
                        interestedApproxLines.Add(Line.TryInit(controlPoint[0] + Vector3.left * Algebra.InfLength, controlPoint[0] + Vector3.right * Algebra.InfLength));

                        Road cp0_targetRoad;
                        roadManager.approxNodeToExistingRoad(controlPoint[0], out cp0_targetRoad);
                        if (cp0_targetRoad != null)
                        {
                            interestedApproxLines.Add(Line.TryInit(controlPoint[0], controlPoint[0] + Algebra.angle2dir_3d(cp0_targetRoad.curve.Angle_2d((float)cp0_targetRoad.curve.paramOf(controlPoint[0])) + Mathf.PI / 2) * Algebra.InfLength));
                            interestedApproxLines.Add(Line.TryInit(controlPoint[0], controlPoint[0] + Algebra.angle2dir_3d(cp0_targetRoad.curve.Angle_2d((float)cp0_targetRoad.curve.paramOf(controlPoint[0])) - Mathf.PI / 2) * Algebra.InfLength));
                            if (Algebra.isclose(cp0_targetRoad.curve.at_ending(true), controlPoint[0]))
                            {
                                Node crossingRoad;
                                roadManager.findNodeAt(cp0_targetRoad.curve.at_ending(true), out crossingRoad);
                                Debug.Assert(crossingRoad != null);
                                interestedApproxLines.AddRange(crossingRoad.directionalLines(Algebra.InfLength, reverse: true));
                            }
                            else
                            {
                                if (Algebra.isclose(cp0_targetRoad.curve.at_ending(false), controlPoint[0]))
                                {
                                    Node crossingRoad;
                                    roadManager.findNodeAt(cp0_targetRoad.curve.at_ending(false), out crossingRoad);
                                    Debug.Assert(crossingRoad != null);
                                    interestedApproxLines.AddRange(crossingRoad.directionalLines(Algebra.InfLength, reverse: true));
                                }
                            }
                        }

                        if (!Algebra.isProjectionClose(controlPoint[0], controlPoint[1]))
                        {
                            roadIndicator = Instantiate(roadIndicatorPrefab, transform);
                            RoadRenderer roadConfigure = roadIndicator.GetComponent <RoadRenderer>();
                            roadConfigure.generate(Line.TryInit(controlPoint[0], controlPoint[1]), laneConfig);
                        }
                    }

                    if (pointer == 2)
                    {
                        if (!Geometry.Parallel(controlPoint[1] - controlPoint[0], controlPoint[2] - controlPoint[1]) &&
                            !Algebra.isRoadNodeClose(controlPoint[2], controlPoint[1]))
                        {
                            Destroy(roadIndicator);
                            addAngleDrawing(controlPoint[2], controlPoint[1]);

                            roadIndicator = Instantiate(roadIndicatorPrefab, transform);
                            RoadRenderer roadConfigure = roadIndicator.GetComponent <RoadRenderer>();
                            roadConfigure.generate(Bezeir.TryInit(controlPoint[0], controlPoint[1], controlPoint[2]), laneConfig);
                        }
                    }

                    if (pointer == 3)
                    {
                        if (!Geometry.Parallel(controlPoint[1] - controlPoint[0], controlPoint[2] - controlPoint[1]) &&
                            !Algebra.isRoadNodeClose(controlPoint[2], controlPoint[1]))
                        {
                            roadManager.addRoad(Bezeir.TryInit(controlPoint[0], controlPoint[1], controlPoint[2]), laneConfig);
                            reset();
                        }
                        else
                        {
                            pointer = 2;
                        }
                    }
                }

                if (indicatorType == IndicatorType.arc)
                {
                    if (pointer == 1)
                    {
                        Road cp0_targetRoad;
                        roadManager.approxNodeToExistingRoad(controlPoint[0], out cp0_targetRoad);
                        if (cp0_targetRoad != null)
                        {
                            addAngleDrawing(controlPoint[0], controlPoint[1]);

                            if (Algebra.isclose(cp0_targetRoad.curve.at_ending(true), controlPoint[0]))
                            {
                                interestedApproxLines.Add(Line.TryInit(controlPoint[0], controlPoint[0] + Algebra.angle2dir_3d(cp0_targetRoad.curve.Angle_2d(0f) + Mathf.PI / 2) * Algebra.InfLength));
                                interestedApproxLines.Add(Line.TryInit(controlPoint[0], controlPoint[0] + Algebra.angle2dir_3d(cp0_targetRoad.curve.Angle_2d(0f) - Mathf.PI / 2) * Algebra.InfLength));
                                Node crossingRoad;
                                roadManager.findNodeAt(cp0_targetRoad.curve.at_ending(true), out crossingRoad);
                                Debug.Assert(crossingRoad != null);
                                interestedApproxLines.AddRange(crossingRoad.directionalLines(Algebra.InfLength, reverse: true));
                            }
                            else
                            {
                                if (Algebra.isclose(cp0_targetRoad.curve.at_ending(false), controlPoint[0]))
                                {
                                    interestedApproxLines.Add(Line.TryInit(controlPoint[0], controlPoint[0] + Algebra.angle2dir_3d(cp0_targetRoad.curve.Angle_2d(1f) + Mathf.PI / 2) * Algebra.InfLength));
                                    interestedApproxLines.Add(Line.TryInit(controlPoint[0], controlPoint[0] + Algebra.angle2dir_3d(cp0_targetRoad.curve.Angle_2d(1f) - Mathf.PI / 2) * Algebra.InfLength));
                                    Node crossingRoad;
                                    roadManager.findNodeAt(cp0_targetRoad.curve.at_ending(false), out crossingRoad);
                                    Debug.Assert(crossingRoad != null);
                                    interestedApproxLines.AddRange(crossingRoad.directionalLines(Algebra.InfLength, reverse: true));
                                }
                            }
                        }

                        /*ind[0] is start, ind[1] isorigin*/
                        Destroy(roadIndicator);
                        if (!Algebra.isProjectionClose(controlPoint[0], controlPoint[1]))
                        {
                            roadIndicator = Instantiate(roadIndicatorPrefab, transform);
                            RoadRenderer roadConfigure = roadIndicator.GetComponent <RoadRenderer>();
                            roadConfigure.generate(Line.TryInit(controlPoint[1], controlPoint[0]), laneConfig);
                            if (!Algebra.isclose(controlPoint[1], controlPoint[0]))
                            {
                                roadConfigure.generate(Arc.TryInit(controlPoint[1], controlPoint[0], 1.999f * Mathf.PI), laneConfig);
                            }
                        }
                    }

                    if (pointer == 2)
                    {
                        Vector3 basedir    = controlPoint[0] - controlPoint[1];
                        Vector3 towardsdir = controlPoint[2] - controlPoint[1];
                        interestedApproxLines.Add(Arc.TryInit(controlPoint[1], controlPoint[0], Mathf.PI * 1.999f));
                        if (!Algebra.isProjectionClose(Vector3.zero, towardsdir) && !Algebra.isProjectionClose(controlPoint[1], controlPoint[0]) && !Geometry.Parallel(basedir, towardsdir))
                        {
                            Destroy(roadIndicator);
                            roadIndicator = Instantiate(roadIndicatorPrefab, transform);
                            RoadRenderer roadConfigure = roadIndicator.GetComponent <RoadRenderer>();
                            roadConfigure.generate(Arc.TryInit(Algebra.toVector2(controlPoint[1]), Algebra.toVector2(controlPoint[0]),
                                                               Mathf.Deg2Rad * Vector2.SignedAngle(Algebra.toVector2(basedir), Algebra.toVector2(towardsdir)),
                                                               controlPoint[0].y, controlPoint[2].y), laneConfig);
                            roadConfigure.generate(Arc.TryInit(controlPoint[1], controlPoint[1] + Vector3.right, 1.999f * Mathf.PI), laneConfig);
                        }
                    }

                    if (pointer == 3)
                    {
                        Vector3 basedir    = controlPoint[0] - controlPoint[1];
                        Vector3 towardsdir = controlPoint[2] - controlPoint[1];
                        if (Algebra.isclose(0, towardsdir.magnitude))
                        {
                            pointer = 2;
                        }
                        else
                        {
                            roadManager.addRoad(Arc.TryInit(Algebra.toVector2(controlPoint[1]), Algebra.toVector2(controlPoint[0]), Mathf.Deg2Rad * Vector2.SignedAngle(Algebra.toVector2(basedir), Algebra.toVector2(towardsdir)),
                                                            controlPoint[0].y, controlPoint[2].y), laneConfig);
                            reset();
                        }
                    }
                }

                if (indicatorType == IndicatorType.delete)
                {
                    if (pointer == 0)
                    {
                        Destroy(roadIndicator);

                        if (targetRoad != null)
                        {
                            roadIndicator = Instantiate(roadIndicatorPrefab, transform);
                            RoadRenderer roadConfigure = roadIndicator.GetComponent <RoadRenderer>();
                            roadConfigure.generate(targetRoad.marginedOutCurve, new List <string> {
                                "removal_" + targetRoad.width
                            });
                        }
                    }
                    else
                    {
                        if (targetRoad != null)
                        {
                            roadManager.deleteRoad(targetRoad);
                            reset();
                        }
                        else
                        {
                            pointer = 0;
                        }
                    }
                }
            }
        }