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@ -7,13 +7,29 @@ namespace FractalTreeGtk
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{
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internal class CairoWindow : Window
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{
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static int fractallevels = 2;
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DrawingArea drawing = new DrawingArea();
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Fractal fractal = new Fractal();
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Fractal fractal = new Fractal(fractallevels);
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public CairoWindow(string title) : base(title) {
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Fullscreen();
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drawing.Drawn += Drawing_Drawn;
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Add(drawing);
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ShowAll();
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KeyPressEvent += CairoWindow_KeyPressEvent;
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}
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private void CairoWindow_KeyPressEvent(object o, KeyPressEventArgs args)
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{
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if(args.Event.Key == Gdk.Key.equal)
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{
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fractal = new Fractal(++fractallevels);
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QueueDraw();
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}
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if (args.Event.Key == Gdk.Key.minus && fractallevels > 1)
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{
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fractal = new Fractal(--fractallevels);
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QueueDraw();
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}
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}
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private void Drawing_Drawn(object o, DrawnArgs args)
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@ -21,11 +37,12 @@ namespace FractalTreeGtk
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args.Cr.Translate(AllocatedWidth / 2, AllocatedHeight);
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Set.Context = args.Cr;
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Set.Background(new Cairo.Color(0, 0, 0));
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foreach(CairoObjective.DrawObjects.Line[] lines in fractal.Fractallines)
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foreach(CairoObjective.DrawObjects.Line[] lines in (CairoObjective.DrawObjects.Line[][])fractal.Fractallines)
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{
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foreach(CairoObjective.DrawObjects.Line line in lines)
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Line.Make(line);
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}
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Text.Make($"Levels: {fractallevels}", -(AllocatedWidth / 2) + 50, -20, new Cairo.Color(1,1,1));
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}
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}
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}
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13
FractalTreeGtk/Draw/Branch.cs
Normal file
13
FractalTreeGtk/Draw/Branch.cs
Normal file
@ -0,0 +1,13 @@
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using System.Numerics;
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namespace FractalTreeGtk.Draw
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{
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internal class Branch : CairoObjective.DrawObjects.Line
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{
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public bool left;
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public Branch(double x1, double y1, double x2, double y2, bool left) : base(x1, y1, x2, y2)
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{
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this.left = left;
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}
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}
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}
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@ -1,27 +1,29 @@
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using CairoObjective.DrawObjects;
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using System;
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using System;
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using System.Threading;
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using System.Threading.Tasks;
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namespace FractalTreeGtk.Draw
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{
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internal class Fractal
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{
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double Length = 50;
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double deg = 0.2;
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int levels = 14;
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double deg = 0.3;
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int levels;
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int level = 0;
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double deltaLength = 2;
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double deltaDeg = 0;
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public Line[][] Fractallines;
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public Fractal()
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public Branch[][] Fractallines;
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public Fractal(int levels)
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{
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Fractallines = new Line[levels + 1][];
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CreateBranch();
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this.levels = levels;
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Fractallines = new Branch[levels + 1][];
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CreateBranch();
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}
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private void CreateBranch()
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{
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Fractallines[level] = new Line[Convert.ToInt32(Math.Pow(2, level))];
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Fractallines[level] = new Branch[Convert.ToInt32(Math.Pow(2, level))];
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for (int i = 0; i < Fractallines[level].Length; i++)
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{
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Fractallines[level][i] = new Line(0, 0, 0, -Length);
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Fractallines[level][i] = new Branch(0, 0, 0, -Length, true);
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}
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level++;
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NextLevel();
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@ -29,24 +31,37 @@ namespace FractalTreeGtk.Draw
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private void NextLevel()
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{
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Length -= deltaLength;
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//deg += Math.Sin(deg) + deltadeg;
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Fractallines[level] = new Line[Convert.ToInt32(Math.Pow(2, level))];
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Fractallines[level] = new Branch[Convert.ToInt32(Math.Pow(2, level))];
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int x = 0;
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for (int i = 0; i < Fractallines[level - 1].Length; i++)
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{
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Fractallines[level][x] = new Line(
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Fractallines[level - 1][i].X2, Fractallines[level - 1][i].Y2,
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-(Math.Sin(deg) * Length) + Fractallines[level - 1][i].X2, -(Math.Cos(deg) * Length) + Fractallines[level - 1][i].Y2
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);
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Fractallines[level][++x] = new Line(
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Fractallines[level - 1][i].X2, Fractallines[level - 1][i].Y2,
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-(Math.Sin(-deg) * Length) + Fractallines[level - 1][i].X2, -(Math.Cos(-deg) * Length) + Fractallines[level - 1][i].Y2
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);
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if (Fractallines[level - 1][i].left)
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{
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Fractallines[level][x] = new Branch(
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Fractallines[level - 1][i].X2, Fractallines[level - 1][i].Y2,
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-(Math.Sin(deg + deg * (level-1)) * Length) + Fractallines[level - 1][i].X2, -(Math.Cos(deg + deg * (level - 1)) * Length) + Fractallines[level - 1][i].Y2
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, true);
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Fractallines[level][++x] = new Branch(
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Fractallines[level - 1][i].X2, Fractallines[level - 1][i].Y2,
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-(Math.Sin(-deg + deg * (level-1)) * Length) + Fractallines[level - 1][i].X2, -(Math.Cos(-deg + deg * (level - 1)) * Length) + Fractallines[level - 1][i].Y2
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, false);
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}
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else
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{
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Fractallines[level][x] = new Branch(
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Fractallines[level - 1][i].X2, Fractallines[level - 1][i].Y2,
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-(Math.Sin(deg - deg * (level - 1)) * Length) + Fractallines[level - 1][i].X2, -(Math.Cos(deg - deg * (level - 1)) * Length) + Fractallines[level - 1][i].Y2
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, true);
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Fractallines[level][++x] = new Branch(
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Fractallines[level - 1][i].X2, Fractallines[level - 1][i].Y2,
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-(Math.Sin(-deg - deg * (level - 1)) * Length) + Fractallines[level - 1][i].X2, -(Math.Cos(-deg - deg * (level - 1)) * Length) + Fractallines[level - 1][i].Y2
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, false);
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}
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x++;
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}
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deltaDeg += deg + 0.1;
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level++;
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if(level <= levels)
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if (level <= levels)
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{
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NextLevel();
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}
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@ -70,11 +85,11 @@ namespace FractalTreeGtk.Draw
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// {
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// z = 1;
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// }
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// Lines[iter + i] = new Line(
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// Lines[iter + i] = new Branch(
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// Lines[iter - z].X2, Lines[iter - z].Y2,
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// -(Math.Sin(deg) * Length) + Lines[iter - z].X2, -(Math.Cos(deg) * Length) + Lines[iter - z].Y2
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// );
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// Lines[iter + i + 1] = new Line(
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// Lines[iter + i + 1] = new Branch(
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// Lines[iter - z].X2, Lines[iter - z].Y2,
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// -(Math.Sin(-deg) * Length) + Lines[iter - z].X2, -(Math.Cos(-deg) * Length) + Lines[iter - z].Y2
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// );
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