Добавьте файлы проекта.

2026-01-06 02:07:18 +03:00
parent 153b9675e3
commit 8e4b375e80
109 changed files with 10817 additions and 0 deletions
--- a/Geometry/Line2d.cs
+++ b/Geometry/Line2d.cs
@@ -0,0 +1,96 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Geo
+{
+    [Serializable]
+    public class Line2d
+    {
+        protected Point3d startPoint;
+        protected Point3d endPoint;
+        protected Vector2d directive;
+        protected Vector2d normal;
+
+        public Point3d StartPoint { get => startPoint; set { startPoint = value; if (EndPoint != null) { directive = endPoint.ToPoint2d() - startPoint.ToPoint2d(); CalcLine(); }; } }
+        public Point3d EndPoint { get => endPoint; set { endPoint = value; directive = endPoint.ToPoint2d() - startPoint.ToPoint2d(); CalcLine(); } }
+        public Point3d CenterPoint { get; private set; }
+        public Vector2d Directive {  get => directive; private set => directive = value; }
+        public Vector2d Normal { get => normal; private set => normal = value; }
+        public double A { get; private set; }
+        public double B { get; private set; }
+        public double C { get; private set; }
+        public double k { get; private set; }
+        public double b { get; private set; }
+        public double Length { get => Directive.Norma; }
+        public double cosAlfa { get; private set; }
+        public double cosBeta { get; private set; }
+        public double p { get; private set; }
+        
+        public Line2d()
+        {
+
+        }
+
+        public Line2d(Point2d startPt, Point2d endPt)
+        {
+            startPoint = startPt.ToPoint3d(); endPoint = endPt.ToPoint3d();
+            directive = endPoint.ToPoint2d() - startPoint.ToPoint2d();
+            CalcLine();
+        }
+
+        public Line2d(Point3d startPt, Point3d endPt)
+        {
+            startPoint = startPt;
+            endPoint = endPt;
+            directive = endPoint.ToPoint2d() - startPoint.ToPoint2d();
+            CalcLine();
+        }
+
+        protected void CalcLine()
+        {
+            A = Directive.Vy;
+            B = -Directive.Vx;
+            normal = new Vector2d(A, B);
+            C = Directive.Vx * StartPoint.Y - Directive.Vy * StartPoint.X;
+            if (Directive.Vx != 0) { k = Directive.Vy / Directive.Vx; }
+            else { k = Double.PositiveInfinity; }
+            if (Directive.Vx != 0) { b = -Directive.Vy / Directive.Vx * StartPoint.X + StartPoint.Y; }
+            else { b= Double.PositiveInfinity; }
+            double normC = 1 / Math.Sqrt(A * A + B * B);
+            if (C < 0) normC *= -1;
+            cosAlfa = A * normC;
+            cosBeta = B * normC;
+            p = C * normC;
+            double dx = 0.5 * (EndPoint.X - StartPoint.X);
+            double dy = 0.5 * (EndPoint.Y - StartPoint.Y);
+            CenterPoint = new Point3d(StartPoint.X + dx, StartPoint.Y + dy, 0);
+        }
+
+        public double LengthTo(Point2d point)
+        {
+            double normC = 1 / Math.Sqrt(A * A + B * B);
+            if (C < 0) normC *= -1;
+            cosAlfa = A * normC;
+            cosBeta = B * normC;
+            p = C * normC;
+            return normC * (A * point.X + B * point.Y + C);
+        }
+        public double LengthTo(Point3d point)
+        {
+            double normC = 1 / Math.Sqrt(A * A + B * B);
+            if (C < 0) normC *= -1;
+            cosAlfa = A * normC;
+            cosBeta = B * normC;
+            p = C * normC;
+            return normC * (A * point.X + B * point.Y + C);
+        }
+        public double Interpolation(double x)
+        {
+            if (B == 0) return double.PositiveInfinity;
+            else return (-A * x - C) / B;
+        }
+    }
+}