namespace HydroUI { [Serializable] public class PointF3D { public float X { get; set; } public float Y { get; set; } public float Z { get; set; } public PointF3D(float x, float y, float z) { X = x; Y = y; Z = z; } //定义减法运算符 public static PointF3D operator -(PointF3D p1, PointF3D p2) { return new PointF3D(p1.X - p2.X, p1.Y - p2.Y, p1.Z - p2.Z); } //定义加法运算符 public static PointF3D operator +(PointF3D p1, PointF3D p2) { return new PointF3D(p1.X + p2.X, p1.Y + p2.Y, p1.Z + p2.Z); } //定义乘法运算符 public static PointF3D operator *(PointF3D p1, float f) { return new PointF3D(p1.X * f, p1.Y * f, p1.Z * f); } //定义点乘运算符 public static float operator *(PointF3D p1, PointF3D p2) { return p1.X * p2.X + p1.Y * p2.Y + p1.Z * p2.Z; } //定义叉乘运算符 public static PointF3D operator ^(PointF3D p1, PointF3D p2) { return new PointF3D(p1.Y * p2.Z - p1.Z * p2.Y, p1.Z * p2.X - p1.X * p2.Z, p1.X * p2.Y - p1.Y * p2.X); } } }