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Delaunay Triangulation - currently with DelaunatorSharp - VoronoiDiagram work in progress

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ti_mo
2025-10-21 15:51:37 +02:00
parent 4f5530c87e
commit 22aaca545f
4 changed files with 362 additions and 45 deletions
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DelauneyTriangulation/Models/Geometries.cs
+39 -5
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@@ -1,19 +1,44 @@
using System;
using System.Collections.Generic;
using Avalonia.Media;
using CommunityToolkit.Mvvm.Input;
namespace DelauneyTriangulation.Models;
public static class Geometries
{
public sealed class Point(double x, double y, double z = 3)
public sealed class Point(double x, double y, double r = 3, Color? color = null)
{
public double X { get; } = x;
public double Y { get; } = y;
public double R { get; } = z;
public double R { get; } = r;
public Color Color { get; set; } = color ?? new Color(255, 255, 255, 255);
public double Left => X - R;
public double Top => Y - R;
public double Top => Y - R;
public double Size => 2 * R;
}
public sealed class PointComparer : IComparer<Point>
{
public static readonly PointComparer Instance = new();
public int Compare(Point? a, Point? b)
{
if (ReferenceEquals(a, b)) return 0;
if (a is null) return -1;
if (b is null) return 1;
int c = a.X.CompareTo(b.X);
if (c != 0) return c;
c = a.Y.CompareTo(b.Y);
if (c != 0) return c;
return a.R.CompareTo(b.R);
}
}
public sealed class Edge(double x1, double y1, double x2, double y2)
{
@@ -23,7 +48,7 @@ public static class Geometries
public double Y2 { get; } = y2;
public Avalonia.Point Start => new(X1, Y1);
public Avalonia.Point End => new(X2, Y2);
public Avalonia.Point End => new(X2, Y2);
}
public sealed class Circle(double x, double y, double r)
@@ -33,7 +58,16 @@ public static class Geometries
public double R { get; } = r;
public double Left => X - R;
public double Top => Y - R;
public double Top => Y - R;
public double Diameter => 2 * R;
}
public sealed class Triangle(Point p1, Point p2, Point p3)
{
public Avalonia.Point X { get; } = new(p1.X, p1.Y);
public Avalonia.Point Y { get; } = new(p2.X, p2.Y);
public Avalonia.Point Z { get; } = new(p3.X, p3.Y);
public IReadOnlyList<Avalonia.Point> Vertices => [ X, Y, Z ];
}
}