[C#/WPF] 나선형 Point 리스트 생성하기

■ 나선형 Point 리스트를 구하는 방법을 보여준다.

▶ 나선형 Point 리스트 구하기 예제 (C#)


using System.Collections.Generic;
using System.Windows;

List<Point> spiralPointList = GetSpiralPointList(new Point(300d, 300d), 100d, 2000d, 20d);

using System.Collections.Generic;

using System.Windows;

List<Point> spiralPointList = GetSpiralPointList(new Point(300d, 300d), 100d, 2000d, 20d);

▶ 나선형 Point 리스트 구하기 (C#)


using System;
using System.Collections.Generic;
using System.Windows;

#region 나선형 Point 리스트 구하기 - GetSpiralPointList(centerPoint, radius, pointCount, reviseCount)

/// <summary>
/// 나선형 Point 리스트 구하기
/// </summary>
/// <param name="centerPoint">중심점</param>
/// <param name="radius">반경</param>
/// <param name="pointCount">포인트 수</param>
/// <param name="reviseCount">수정 수</param>
/// <returns>나선형 Point 리스트</returns>
public List<Point> GetSpiralPointList(Point centerPoint, double radius, int pointCount, int reviseCount)
{
    List<Point> list = new List<Point>();

    for(int i = 0; i < pointCount; i++)
    {
        double angle = i * 2d * Math.PI / (pointCount / reviseCount);
        double scale = radius * (1 - (double) i / pointCount);

        double x = centerPoint.X + scale * Math.Cos(angle);
        double y = centerPoint.Y + scale * Math.Sin(angle);

        list.Add(new Point(x, y));
    }

    return list;
}

#endregion

using System;

using System.Collections.Generic;

using System.Windows;

#region 나선형 Point 리스트 구하기 - GetSpiralPointList(centerPoint, radius, pointCount, reviseCount)

/// <summary>

/// 나선형 Point 리스트 구하기

/// </summary>

/// <param name="centerPoint">중심점</param>

/// <param name="radius">반경</param>

/// <param name="pointCount">포인트 수</param>

/// <param name="reviseCount">수정 수</param>

/// <returns>나선형 Point 리스트</returns>

public List<Point> GetSpiralPointList(Point centerPoint, double radius, int pointCount, int reviseCount)

{

List<Point> list = new List<Point>();

for(int i = 0; i < pointCount; i++)

{

double angle = i * 2d * Math.PI / (pointCount / reviseCount);

double scale = radius * (1 - (double) i / pointCount);

double x = centerPoint.X + scale * Math.Cos(angle);

double y = centerPoint.Y + scale * Math.Sin(angle);

list.Add(new Point(x, y));

}

return list;

}

#endregion