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2026-01-06 02:07:18 +03:00
parent 153b9675e3
commit 8e4b375e80
109 changed files with 10817 additions and 0 deletions
--- a/Geometry/Vector3d.cs
+++ b/Geometry/Vector3d.cs
@@ -0,0 +1,107 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using static System.Math;
+
+namespace Geo
+{
+    [Serializable]
+    public class Vector3d : IVector
+    {
+        double[] arr;
+        int n = 3;
+
+        public double this[int i] { get => arr[i]; set => arr[i] = value; }
+        public double Vx { get => arr[0]; set => arr[0] = value; }
+        public double Vy { get => arr[1]; set => arr[1] = value; }
+        public double Vz { get => arr[2]; set => arr[2] = value; }
+        public double Norma { get => Sqrt(Pow(Vx, 2) + Pow(Vy, 2) + Pow(Vz, 2)); }
+        public double[] Unit { get => new double[] { Vx / Norma, Vy / Norma, Vz / Norma }; }
+        public int N { get => n; }
+
+        public Vector3d()
+        {
+            arr = new double[3];
+        }
+
+        public Vector3d(Vector3d source)
+        {
+            arr = new double[3];
+            arr = (double[])source.arr.Clone();
+        }
+
+        public Vector3d(Point3d source)
+        {
+            arr = new double[3];
+            arr[0] = source.X; arr[1] = source.Y; arr[2] = source.Z;
+        }
+
+        public Vector3d(Vector source)
+        {
+            arr = new double[3];
+            if (source.N >= 3)
+            {
+                arr[0] = source[0]; arr[1] = source[1]; arr[2] = source[2];
+            }
+        }
+
+        public Vector3d(Vector2d source)
+        {
+            arr = new double[3];
+            arr[0] = source.Vx;
+            arr[1] = source.Vy;
+            arr[2] = 0;
+        }
+
+        public Vector3d(double[] source)
+        {
+            arr = new double[3];
+            if (source.Length >= 3)
+            {
+                arr[0] = source[0]; arr[1] = source[1]; arr[2] = source[2];
+            }  
+        }
+
+        public static double CosAngleBetVectors(Vector3d v1, Vector3d v2)
+        {
+            return (v1.Vx * v2.Vx + v1.Vy * v2.Vy + v1.Vz * v2.Vz) / (Sqrt(v1.Vx* v1.Vx + v1.Vy* v1.Vy+ v1.Vz * v1.Vz) * Sqrt(v2.Vx * v2.Vx + v2.Vy * v2.Vy + v2.Vz * v2.Vz));
+        }
+
+        public double[] ToArray()
+        {
+            return arr;
+        }
+
+        public Vector2d ToVector2d()
+        {
+            return new Vector2d() { Vx = Vx, Vy = Vy };
+        }
+
+        public Vector ToVector()
+        {
+            return new Vector(arr);
+        }
+
+        public static Vector3d operator ^(Vector3d v1, Vector3d v2)
+        {
+            return new Vector3d
+            {
+                Vx = v1.Vy * v2.Vz - v1.Vz * v2.Vy,
+                Vy = v1.Vz * v2.Vx - v1.Vx * v2.Vz,
+                Vz = v1.Vx * v2.Vy - v1.Vy * v2.Vx
+            };
+        }
+
+        public static Vector3d operator *(Vector3d v1, Vector3d v2)
+        {
+            return new Vector3d
+            {
+                Vx = v1.Vx * v2.Vx,
+                Vy = v1.Vy * v2.Vy,
+                Vz = v1.Vz * v2.Vz
+            };
+        }
+    }
+}