Example #1
0
        /// <summary>
        /// 直线插补
        /// </summary>
        /// <param name="start">起始点坐标</param>
        /// <param name="end">终点坐标</param>
        /// <returns>StepMark列表</returns>
        public List <StepMark> LineInterpolation(Point3D start, Point3D end)
        {
            List <StepMark> tempStepMark = new List <StepMark>();
            Quadrant        quadrant     = Quadrant.First;
            Point3D         tempEnd      = new Point3D(end.X - start.X, end.Y - start.Y, end.Z - start.Z);

            //判断象限
            if (tempEnd.X > 0 && tempEnd.Y >= 0)
            {
                quadrant = Quadrant.First;
            }
            else if (tempEnd.X <= 0 && tempEnd.Y >= 0)
            {
                quadrant = Quadrant.Second;
            }
            else if (tempEnd.X <= 0 && tempEnd.Y < 0)
            {
                quadrant = Quadrant.Third;
            }
            else
            {
                quadrant = Quadrant.Forth;
            }

            if ((start - end).Z != 0)            //说明是Z向运动
            {
                StepMark tSM = new StepMark();
                tSM.ToEndZ();
                tempStepMark.Add(tSM);
                return(tempStepMark);
            }

            //分象限进行插补计算
            Point3D position = new Point3D(0, 0, 0); //记录当前位置

            if (tempEnd.X == 0)                      //竖直线
            {
                StepMark tempMark = new StepMark();
                tempMark.ToEndY();                //Y直接到底
                tempStepMark.Add(tempMark);
                position.Y = tempEnd.Y;
            }
            else
            {
                if (quadrant == Quadrant.First)            //第一象限
                {
                    double yShouldBe = 0;
                    double K         = tempEnd.Y / tempEnd.X;

                    while (position.X + _step < tempEnd.X)
                    {
                        if (position.Y < yShouldBe)                        //当前位置在下方
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYPositive();                            //向Y正向步进
                            tempStepMark.Add(tempMark);
                            position.Y += _step;
                        }
                        else                        //当前位置在上方
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXPositive();                            //向X正向步进
                            tempStepMark.Add(tempMark);
                            position.X += _step;
                            yShouldBe  += _step * K;
                        }
                    }

                    while (position.Y < yShouldBe)                    //直到出现在了上方
                    {
                        StepMark tempMark = new StepMark();
                        tempMark.StepOnYPositive();                        //向Y正向步进
                        tempStepMark.Add(tempMark);
                        position.Y += _step;
                    }
                    //X插补至终点
                    StepMark finalTempMark = new StepMark();
                    finalTempMark.ToEndX();                    //X至终点
                    tempStepMark.Add(finalTempMark);
                    yShouldBe += Math.Abs(K * (tempEnd.X - position.X));
                    position.X = end.X;

                    if (position.Y < yShouldBe)                    //如果还在下方
                    {
                        StepMark tempMark = new StepMark();
                        //y插补至终点
                        tempMark.ToEndY();
                        tempStepMark.Add(tempMark);
                        position.Y = end.Y;
                    }
                }
                else if (quadrant == Quadrant.Second)                //第二象限
                {
                    double yShouldBe = 0;
                    double K         = Math.Abs(tempEnd.Y / tempEnd.X);

                    while (position.X - _step > tempEnd.X)
                    {
                        if (position.Y < yShouldBe)                        //当前位置在下方
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYPositive();                            //向Y正向步进
                            tempStepMark.Add(tempMark);
                            position.Y += _step;
                        }
                        else                        //当前位置在上方
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXNegative();                            //向X负向步进
                            tempStepMark.Add(tempMark);
                            position.X -= _step;
                            yShouldBe  += _step * K;
                        }
                    }

                    while (position.Y < yShouldBe)                    //直到出现在了上方
                    {
                        StepMark tempMark = new StepMark();
                        tempMark.StepOnYPositive();                        //向Y正向步进
                        tempStepMark.Add(tempMark);
                        position.Y += _step;
                    }
                    //X插补至终点
                    StepMark finalTempMark = new StepMark();
                    finalTempMark.ToEndX();                    //X至终点
                    tempStepMark.Add(finalTempMark);
                    yShouldBe += Math.Abs(K * (tempEnd.X - position.X));
                    position.X = end.X;

                    if (position.Y < yShouldBe)                    //如果还在下方
                    {
                        StepMark tempMark = new StepMark();
                        //y插补至终点
                        tempMark.ToEndY();
                        tempStepMark.Add(tempMark);
                        position.Y = end.Y;
                    }
                }
                else if (quadrant == Quadrant.Third)                //第三象限
                {
                    double yShouldBe = 0;
                    double K         = Math.Abs(tempEnd.Y / tempEnd.X);

                    while (position.X - _step > tempEnd.X)
                    {
                        if (position.Y > yShouldBe)                        //当前位置在上方
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYNegative();                            //向Y负向步进
                            tempStepMark.Add(tempMark);
                            position.Y -= _step;
                        }
                        else                        //当前位置在下方
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXNegative();                            //向X负向步进
                            tempStepMark.Add(tempMark);
                            position.X -= _step;
                            yShouldBe  -= _step * K;
                        }
                    }

                    while (position.Y > yShouldBe)                    //直到出现在了下方
                    {
                        StepMark tempMark = new StepMark();
                        tempMark.StepOnYNegative();                        //向Y负向步进
                        tempStepMark.Add(tempMark);
                        position.Y -= _step;
                    }
                    //X插补至终点
                    StepMark finalTempMark = new StepMark();
                    finalTempMark.ToEndX();                    //X至终点
                    tempStepMark.Add(finalTempMark);
                    yShouldBe -= Math.Abs(K * (tempEnd.X - position.X));
                    position.X = end.X;

                    if (position.Y > yShouldBe)                    //如果还在上方
                    {
                        StepMark tempMark = new StepMark();
                        //y插补至终点
                        tempMark.ToEndY();
                        tempStepMark.Add(tempMark);
                        position.Y = end.Y;
                    }
                }
                else                //第四象限
                {
                    double yShouldBe = 0;
                    double K         = Math.Abs(tempEnd.Y / tempEnd.X);

                    while (position.X + _step < tempEnd.X)
                    {
                        if (position.Y > yShouldBe)                        //当前位置在上方
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYNegative();                            //向Y负向步进
                            tempStepMark.Add(tempMark);
                            position.Y -= _step;
                        }
                        else                        //当前位置在下方
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXPositive();                            //向X正向步进
                            tempStepMark.Add(tempMark);
                            position.X += _step;
                            yShouldBe  -= _step * K;
                        }
                    }

                    while (position.Y > yShouldBe)                    //直到出现在了下方
                    {
                        StepMark tempMark = new StepMark();
                        tempMark.StepOnYNegative();                        //向Y负向步进
                        tempStepMark.Add(tempMark);
                        position.Y -= _step;
                    }
                    //X插补至终点
                    StepMark finalTempMark = new StepMark();
                    finalTempMark.ToEndX();                    //X至终点
                    tempStepMark.Add(finalTempMark);
                    yShouldBe -= Math.Abs(K * (tempEnd.X - position.X));
                    position.X = end.X;

                    if (position.Y > yShouldBe)                    //如果还在上方
                    {
                        StepMark tempMark = new StepMark();
                        //y插补至终点
                        tempMark.ToEndY();
                        tempStepMark.Add(tempMark);
                        position.Y = end.Y;
                    }
                }
            }
            return(tempStepMark);
        }
Example #2
0
        /// <summary>
        /// 圆弧插补
        /// </summary>
        /// <param name="center">圆心坐标</param>
        /// <param name="start">起点坐标</param>
        /// <param name="end">终点坐标</param>
        /// <param name="direction">方向,1-顺时针 0-逆时针</param>
        /// <returns>StepMark列表</returns>
        public List <StepMark> CircleInterpolation(Point3D center, Point3D start, Point3D end, int direction)
        {
            //填入圆弧插补代码
            List <StepMark> tempStepMark = new List <StepMark>();
            // Quadrant quadrant = Quadrant.First;
            Point3D position   = new Point3D(start.X - center.X, start.Y - center.Y, start.Z - center.Z);//记录当前位置
            Point3D tempEnd    = new Point3D(end.X - center.X, end.Y - center.Y, end.Z - center.Z);
            double  deviationF = 0;

            //判断顺逆, 1->顺   0->逆
            if (direction == 1)     //顺圆弧画圆
            {
                int flag = 1;       //设置标志位,循环画圆
                while (flag == 1)
                {
                    while (position.X >= 0 && position.Y > 0 && flag == 1) //第一象限
                    {
                        if (deviationF >= 0)                               //点在圆外
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYNegative();//向Y负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.Y + _step;
                            position.Y -= _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXPositive();//向X正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.X + _step;
                            position.X += _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))  //判断是否接近终点
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();//X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark(); //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag       = 2;
                            break;
                        }
                    }
                    while (position.X < 0 && position.Y >= 0 && flag == 1)  //第二象限
                    {
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXPositive();//向X正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.X + _step;
                            position.X += _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYPositive();//向Y正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.Y + _step;
                            position.Y += _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();//X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark(); //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag       = 2;
                            break;
                        }
                    }
                    while (position.X <= 0 && position.Y < 0 && flag == 1)  //第三象限
                    {
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYPositive();//向Y正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.Y + _step;
                            position.Y += _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXNegative();//向X负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.X + _step;
                            position.X -= _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();//X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark(); //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag       = 2;
                            break;
                        }
                    }
                    while (position.X > 0 && position.Y <= 0 && flag == 1)  //第四象限
                    {
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXNegative();//向X负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.X + _step;
                            position.X -= _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYNegative();//向Y负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.Y + _step;
                            position.Y -= _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();//X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark(); //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag       = 2;
                            break;
                        }
                    }
                }
            }

            if (direction == 0)         //逆圆弧画圆
            {
                while ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) > (_step * _step))
                {
                    while (position.X > 0 && position.Y >= 0)//第一象限
                    {
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXNegative();//向X负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.X + _step;
                            position.X -= _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYPositive();//向Y正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.Y + _step;
                            position.Y += _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();//X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark(); //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;

                            break;
                        }
                    }
                    while (position.X <= 0 && position.Y > 0)  //第二象限
                    {
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYNegative();//向Y负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.Y + _step;
                            position.Y -= _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXNegative();//向X负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.X + _step;
                            position.X -= _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();//X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark(); //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;

                            break;
                        }
                    }
                    while (position.X < 0 && position.Y <= 0)  //第三象限
                    {
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXPositive();//向X正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.X + _step;
                            position.X += _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYNegative();//向Y负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.Y + _step;
                            position.Y -= _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();//X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark(); //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;

                            break;
                        }
                    }
                    while (position.X >= 0 && position.Y < 0)  //第四象限
                    {
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYPositive();//向Y正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.Y + _step;
                            position.Y += _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXPositive();//向X正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.X + _step;
                            position.X += _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();//X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark(); //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;

                            break;
                        }
                    }
                }
            }

            return(tempStepMark);
        }
Example #3
0
        /// <summary>
        /// 圆弧插补
        /// </summary>
        /// <param name="center">圆心坐标</param>
        /// <param name="start">起点坐标</param>
        /// <param name="end">终点坐标</param>
        /// <param name="direction">方向,1-顺时针 0-逆时针</param>
        /// <returns>StepMark列表</returns>
        public List <StepMark> CircleInterpolation(Point3D center, Point3D start, Point3D end, int direction)
        {
            //填入圆弧插补代码
            List <StepMark> tempStepMark = new List <StepMark>();
            // Quadrant quadrant = Quadrant.First;

            double deviationF = 0;
            double R_1 = Math.Sqrt((start.X - center.X) * (start.X - center.X) + (start.Y - center.Y) * (start.Y - center.Y));
            double R_2 = Math.Sqrt((end.X - center.X) * (end.X - center.X) + (end.Y - center.Y) * (end.Y - center.Y));
            double R = (R_1 + R_2) / 2;
            double m, n;

            double x_3 = (start.X + end.X) / 2;
            double y_3 = (start.Y + end.Y) / 2;
            double k   = (end.Y - start.Y) / (end.X - start.X);

            if (R_1 != R_2)
            {
                if (start.Y != end.Y)
                {
                    m = (y_3 - center.Y + (1 / k) * x_3 + k * center.X) / (k + 1 / k);
                    n = k * m + center.Y - k * center.X;
                }
                else
                {
                    m = x_3;
                    n = center.Y;
                }
            }
            else
            {
                m = center.X;
                n = center.Y;
            }

            Point3D position = new Point3D(start.X - m, start.Y - n, start.Z - center.Z);            //记录当前位置
            Point3D tempEnd  = new Point3D(end.X - m, end.Y - n, end.Z - center.Z);

            //判断顺逆, 1->顺   0->逆

            if (direction == 1)                 //顺圆弧画圆
            {
                int flag = 1;                   //设置标志位,循环画圆
                while (flag == 1)
                {
                    while (position.X >= 0 && position.Y > 0 && flag == 1)                    //第一象限
                    {
                        deviationF = position.X * position.X + position.Y * position.Y - R * R;
                        if (deviationF >= 0)                           //点在圆外
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYNegative();                            //向Y负向步进
                            tempStepMark.Add(tempMark);

                            // deviationF = deviationF - 2 * position.Y + _step;
                            position.Y -= _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXPositive();                            //向X正向步进
                            tempStepMark.Add(tempMark);
                            // deviationF = deviationF + 2 * position.X + _step;
                            position.X += _step;
                        }

                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(
                                 position.Y - tempEnd.Y, 2)) < (_step * _step))                                      //判断是否接近终点
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();                            //X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark();                             //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag       = 2;
                            break;
                        }
                    }

                    while (position.X < 0 && position.Y >= 0 && flag == 1)                      //第二象限
                    {
                        deviationF = position.X * position.X + position.Y * position.Y - R * R;
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXPositive();                            //向X正向步进
                            tempStepMark.Add(tempMark);
                            // deviationF = deviationF + 2 * position.X + _step;
                            position.X += _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYPositive();                            //向Y正向步进
                            tempStepMark.Add(tempMark);
                            // deviationF = deviationF + 2 * position.Y + _step;
                            position.Y += _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();                            //X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark();                             //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag       = 2;
                            break;
                        }
                    }
                    while (position.X <= 0 && position.Y < 0 && flag == 1)                      //第三象限
                    {
                        deviationF = position.X * position.X + position.Y * position.Y - R * R;
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYPositive();                            //向Y正向步进
                            tempStepMark.Add(tempMark);
                            //  deviationF = deviationF + 2 * position.Y + _step;
                            position.Y += _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXNegative();                            //向X负向步进
                            tempStepMark.Add(tempMark);
                            // deviationF = deviationF - 2 * position.X + _step;
                            position.X -= _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();                            //X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark();                             //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag       = 2;
                            break;
                        }
                    }
                    while (position.X > 0 && position.Y <= 0 && flag == 1)                      //第四象限
                    {
                        deviationF = position.X * position.X + position.Y * position.Y - R * R;
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXNegative();                            //向X负向步进
                            tempStepMark.Add(tempMark);
                            // deviationF = deviationF - 2 * position.X + _step;
                            position.X -= _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYNegative();                            //向Y负向步进
                            tempStepMark.Add(tempMark);
                            //  deviationF = deviationF - 2 * position.Y + _step;
                            position.Y -= _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();                            //X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark();                             //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag       = 2;
                            break;
                        }
                    }
                }
            }

            if (direction == 0)                 //逆圆弧画圆
            {
                int flag_2 = 1;
                while (flag_2 == 1)
                {
                    while (position.X >= 0 && position.Y > 0 && flag_2 == 1)                    //第一象限
                    {
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXNegative();                            //向X负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.X + _step;
                            position.X -= _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYPositive();                            //向Y正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.Y + _step;
                            position.Y += _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();                            //X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark();                             //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag_2     = 2;
                            break;
                        }
                    }
                    while (position.X < 0 && position.Y >= 0 && flag_2 == 1)                      //第二象限
                    {
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYNegative();                            //向Y负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.Y + _step;
                            position.Y -= _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXNegative();                            //向X负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.X + _step;
                            position.X -= _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();                            //X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark();                             //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag_2     = 2;
                            break;
                        }
                    }
                    while (position.X <= 0 && position.Y < 0 && flag_2 == 1)                      //第三象限
                    {
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXPositive();                            //向X正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.X + _step;
                            position.X += _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYNegative();                            //向Y负向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF - 2 * position.Y + _step;
                            position.Y -= _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();                            //X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark();                             //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag_2     = 2;
                            break;
                        }
                    }
                    while (position.X > 0 && position.Y <= 0 && flag_2 == 1)                      //第四象限
                    {
                        if (deviationF >= 0)
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnYPositive();                            //向Y正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.Y + _step;
                            position.Y += _step;
                        }
                        else
                        {
                            StepMark tempMark = new StepMark();
                            tempMark.StepOnXPositive();                            //向X正向步进
                            tempStepMark.Add(tempMark);
                            deviationF  = deviationF + 2 * position.X + _step;
                            position.X += _step;
                        }
                        if ((Math.Pow(position.X - tempEnd.X, 2) + Math.Pow(position.Y - tempEnd.Y, 2)) < (_step * _step))
                        {
                            StepMark finalTempMark = new StepMark();
                            finalTempMark.ToEndX();                            //X至终点
                            tempStepMark.Add(finalTempMark);
                            position.X = tempEnd.X;

                            StepMark tempMark = new StepMark();                             //y插补至终点
                            tempMark.ToEndY();
                            tempStepMark.Add(tempMark);
                            position.Y = tempEnd.Y;
                            flag_2     = 2;
                            break;
                        }
                    }
                }
            }

            return(tempStepMark);
        }