Transform.Lib/Geometry/Vector.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Drawing;

namespace YLScsDrawing.Geometry
{
    /// <summary>
    /// 向量
    /// </summary>
    public struct Vector
    {
        double _x, _y;

        public Vector(double x, double y)
        {
            _x = x; _y = y;
        }
        public Vector(PointF pt)
        {
            _x = pt.X;
            _y = pt.Y;
        }
        public Vector(PointF st, PointF end)
        {
            _x = end.X - st.X;
            _y = end.Y - st.Y;
        }

        public double X
        {
            get { return _x; }
            set { _x = value; }
        }

        public double Y
        {
            get { return _y; }
            set { _y = value; }
        }

        public double Magnitude => Math.Sqrt(X * X + Y * Y);

        public static Vector operator +(Vector v1, Vector v2)
        {
            return new Vector(v1.X + v2.X, v1.Y + v2.Y);
        }

        public static Vector operator -(Vector v1, Vector v2)
        {
            return new Vector(v1.X - v2.X, v1.Y - v2.Y);
        }

        public static Vector operator -(Vector v)
        {
            return new Vector(-v.X, -v.Y);
        }

        public static Vector operator *(double c, Vector v)
        {
            return new Vector(c * v.X, c * v.Y);
        }