[C#/COMMON] 극 좌표(Polar Coordinates) 사용하기

TestProject.zip

0.00MB

▶ PolarPoint.cs

using System;

namespace TestProject
{
    /// <summary>
    /// 극 좌표
    /// </summary>
    public class PolarPoint
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 반경 - Radius

        /// <summary>
        /// 반경
        /// </summary>
        public double Radius { get; set; }

        #endregion
        #region 각도 - Angle

        /// <summary>
        /// 각도
        /// </summary>
        public double Angle { get; set; }

        #endregion

        #region X - X

        /// <summary>
        /// X
        /// </summary>
        public double X
        {
            get
            {
                return Radius * Math.Cos(Angle * Math.PI / 180.0);
            }
        }

        #endregion
        #region Y - Y

        /// <summary>
        /// Y
        /// </summary>
        public double Y
        {
            get
            {
                return Radius * Math.Sin(Angle * Math.PI / 180.0);
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - PolarPoint(radius, angle)

        /// <summary>
        /// 생성자
        /// </summary>
        /// <param name="radius">반경</param>
        /// <param name="angle">각도 (단위 : 도)</param>
        public PolarPoint(double radius, double angle)
        {
            if(radius < 0.0)
            {
                throw new ArgumentException("Radius must be non-negative");
            }

            if((angle < 0) || (angle >= 360.0))
            {
                throw new ArgumentException("Angle must be in range [0, 360)");
            }
 
            Radius = radius;
            Angle  = angle;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 문자열 구하기 - ToString()

        /// <summary>
        /// 문자열 구하기
        /// </summary>
        /// <returns>문자열</returns>
        public override string ToString()
        {
            return string.Format("({0}, {1})", X, Y);
        }

        #endregion
    }
}

 

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▶ Program.cs

using System;

namespace TestProject
{
    /// <summary>
    /// 프로그램
    /// </summary>
    class Program
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 프로그램 시작하기 - Main()

        /// <summary>
        /// 프로그램 시작하기
        /// </summary>
        private static void Main()
        {
            Console.WriteLine(new PolarPoint(0.0,   0.0));
            Console.WriteLine(new PolarPoint(1.0,   0.0));
            Console.WriteLine(new PolarPoint(1.0,  45.0));
            Console.WriteLine(new PolarPoint(1.0,  90.0));
            Console.WriteLine(new PolarPoint(1.0, 135.0));
            Console.WriteLine(new PolarPoint(1.0, 180.0));
        }

        #endregion
    }
}