Lisoveliy/FractalTree
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Pavel-Savely Savianok 2023-01-30 00:25:03 +03:00
commit b395030cc7
4 changed files with 101 additions and 50 deletions
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14
CairoObjective/Text.cs
View File

@ -4,7 +4,7 @@
public class Text public class Text
{ {
public static double DefaultFontSize = 20;//Default Font Size public static double DefaultFontSize = 20;//Default Font Size
public static bool CenterText = true;
public static void Make(string text, int pointX, int pointY, double size, Cairo.Color color) public static void Make(string text, int pointX, int pointY, double size, Cairo.Color color)
{ {
Set.CheckContext(); Set.CheckContext();
@ -12,7 +12,10 @@
context.SetSourceColor(color); context.SetSourceColor(color);
context.SetFontSize(size); context.SetFontSize(size);
Cairo.TextExtents extents = context.TextExtents(text); Cairo.TextExtents extents = context.TextExtents(text);
if(CenterText)
context.MoveTo(pointX - extents.Width / 2, pointY + extents.Height / 2); context.MoveTo(pointX - extents.Width / 2, pointY + extents.Height / 2);
else
context.MoveTo(pointX, pointY);
context.ShowText(text); context.ShowText(text);
} }
public static void Make(string text, int pointX, int pointY, Cairo.Color color) public static void Make(string text, int pointX, int pointY, Cairo.Color color)
@ -22,7 +25,10 @@
context.SetSourceColor(color); context.SetSourceColor(color);
context.SetFontSize(DefaultFontSize); context.SetFontSize(DefaultFontSize);
Cairo.TextExtents extents = context.TextExtents(text); Cairo.TextExtents extents = context.TextExtents(text);
if (CenterText)
context.MoveTo(pointX - extents.Width / 2, pointY + extents.Height / 2); context.MoveTo(pointX - extents.Width / 2, pointY + extents.Height / 2);
else
context.MoveTo(pointX, pointY);
context.ShowText(text); context.ShowText(text);
} }
public static void Make(string text, int pointX, int pointY, double size) public static void Make(string text, int pointX, int pointY, double size)
@ -32,7 +38,10 @@
context.SetSourceColor(Set.Color); context.SetSourceColor(Set.Color);
context.SetFontSize(size); context.SetFontSize(size);
Cairo.TextExtents extents = context.TextExtents(text); Cairo.TextExtents extents = context.TextExtents(text);
if (CenterText)
context.MoveTo(pointX - extents.Width / 2, pointY + extents.Height / 2); context.MoveTo(pointX - extents.Width / 2, pointY + extents.Height / 2);
else
context.MoveTo(pointX, pointY);
context.ShowText(text); context.ShowText(text);
} }
public static void Make(string text, int pointX, int pointY) public static void Make(string text, int pointX, int pointY)
@ -42,7 +51,10 @@
context.SetSourceColor(Set.Color); context.SetSourceColor(Set.Color);
context.SetFontSize(DefaultFontSize); context.SetFontSize(DefaultFontSize);
Cairo.TextExtents extents = context.TextExtents(text); Cairo.TextExtents extents = context.TextExtents(text);
if (CenterText)
context.MoveTo(pointX - extents.Width / 2, pointY + extents.Height / 2); context.MoveTo(pointX - extents.Width / 2, pointY + extents.Height / 2);
else
context.MoveTo(pointX, pointY);
context.ShowText(text); context.ShowText(text);
} }
} }

42
FractalTreeGtk/CairoWindow.cs
View File

@ -1,7 +1,10 @@
using Gtk; using Gtk;
using CairoObjective; using CairoObjective;
using GLib;
using FractalTreeGtk.Draw; using FractalTreeGtk.Draw;
using System;
using System.Threading;
using System.Threading.Tasks;
using System.Diagnostics;
namespace FractalTreeGtk namespace FractalTreeGtk
{ {
@ -9,40 +12,59 @@ namespace FractalTreeGtk
{ {
static int fractallevels = 2; static int fractallevels = 2;
DrawingArea drawing = new DrawingArea(); DrawingArea drawing = new DrawingArea();
Fractal fractal = new Fractal(fractallevels); Fractal fractal;
public CairoWindow(string title) : base(title) { public CairoWindow(string title) : base(title) {
Fullscreen(); Fullscreen();
drawing.Drawn += Drawing_Drawn; drawing.Drawn += Drawing_Drawn;
Add(drawing); Add(drawing);
ShowAll(); ShowAll();
KeyPressEvent += CairoWindow_KeyPressEvent; KeyPressEvent += CairoWindow_KeyPressEvent;
CreateNewFractal();
}
public void CreateNewFractal()
{
fractal = new Fractal(fractallevels, this);
} }
private void CairoWindow_KeyPressEvent(object o, KeyPressEventArgs args) private void CairoWindow_KeyPressEvent(object o, KeyPressEventArgs args)
{ {
if(args.Event.Key == Gdk.Key.equal) if(args.Event.Key == Gdk.Key.equal)
{ {
fractal = new Fractal(++fractallevels); ++fractallevels;
QueueDraw(); CreateNewFractal();
} }
if (args.Event.Key == Gdk.Key.minus && fractallevels > 1) if (args.Event.Key == Gdk.Key.minus && fractallevels > 1)
{ {
fractal = new Fractal(--fractallevels); --fractallevels;
QueueDraw(); CreateNewFractal();
} }
} }
private void Drawing_Drawn(object o, DrawnArgs args) private void Drawing_Drawn(object o, DrawnArgs args)
{ {
long branches = 0;
Text.CenterText = false;
args.Cr.Translate(AllocatedWidth / 2, AllocatedHeight); args.Cr.Translate(AllocatedWidth / 2, AllocatedHeight);
Set.Context = args.Cr; Set.Context = args.Cr;
Set.Background(new Cairo.Color(0, 0, 0)); Set.Background(new Cairo.Color(0, 0, 0));
foreach(CairoObjective.DrawObjects.Line[] lines in (CairoObjective.DrawObjects.Line[][])fractal.Fractallines) foreach (CairoObjective.DrawObjects.Line[] lines in (CairoObjective.DrawObjects.Line[][])fractal.Fractallines)
{ {
foreach(CairoObjective.DrawObjects.Line line in lines) try
{
foreach (CairoObjective.DrawObjects.Line line in lines) {
branches++;
Line.Make(line); Line.Make(line);
} }
Text.Make($"Levels: {fractallevels}", -(AllocatedWidth / 2) + 50, -20, new Cairo.Color(1,1,1)); }
catch (NullReferenceException)
{
Trace.WriteLine("Hello Null");
break;
}
}
Text.Make($"Total Branches: {branches}", -(AllocatedWidth / 2) + 1, -29, 21, new Cairo.Color(0, 0, 0));
Text.Make($"Levels: {fractallevels}", -(AllocatedWidth / 2) + 1, -4, 21, new Cairo.Color(0, 0, 0));
Text.Make($"Total Branches: {branches}", -(AllocatedWidth / 2), -30, new Cairo.Color(0.1, 1, 0.1));
Text.Make($"Levels: {fractallevels}", -(AllocatedWidth / 2), -5, new Cairo.Color(0.1,1,0.1));
} }
} }
} }

4
FractalTreeGtk/Draw/Branch.cs
View File

@ -5,9 +5,11 @@ namespace FractalTreeGtk.Draw
internal class Branch : CairoObjective.DrawObjects.Line internal class Branch : CairoObjective.DrawObjects.Line
{ {
public bool left; public bool left;
public Branch(double x1, double y1, double x2, double y2, bool left) : base(x1, y1, x2, y2) public double degree;
public Branch(double x1, double y1, double x2, double y2, bool left, double degree) : base(x1, y1, x2, y2)
{ {
this.left = left; this.left = left;
this.degree = degree;
} }
} }
} }

65
FractalTreeGtk/Draw/Fractal.cs
View File

@ -1,5 +1,5 @@
using System; using System;
using System.Diagnostics; using System.ComponentModel.DataAnnotations;
using System.Threading; using System.Threading;
using System.Threading.Tasks; using System.Threading.Tasks;
@ -7,14 +7,17 @@ namespace FractalTreeGtk.Draw
{ {
internal class Fractal internal class Fractal
{ {
double Length = 50; public bool Drawing = true;
double deg = 0.3; CairoWindow window;
double Length = 100;
double MainDegree = 0.4;
int levels; int levels;
int level = 0; int level = 0;
double deltaLength = 2; double deltaLength = 5;
public Branch[][] Fractallines; public Branch[][] Fractallines;
public Fractal(int levels) public Fractal(int levels, CairoWindow window)
{ {
this.window = window;
this.levels = levels; this.levels = levels;
Fractallines = new Branch[levels + 1][]; Fractallines = new Branch[levels + 1][];
CreateBranch(); CreateBranch();
@ -24,43 +27,58 @@ namespace FractalTreeGtk.Draw
Fractallines[level] = new Branch[Convert.ToInt32(Math.Pow(2, level))]; Fractallines[level] = new Branch[Convert.ToInt32(Math.Pow(2, level))];
for (int i = 0; i < Fractallines[level].Length; i++) for (int i = 0; i < Fractallines[level].Length; i++)
{ {
Fractallines[level][i] = new Branch(0, 0, 0, -Length, true); Fractallines[level][i] = new Branch(0, 0, 0, -Length, true, 0);
} }
level++; level++;
NextLevel(); NextLevel();
} }
private void NextLevel() private void NextLevel()
{ {
window.QueueDraw();
Length -= deltaLength; Length -= deltaLength;
window.QueueDraw();
Fractallines[level] = new Branch[Convert.ToInt32(Math.Pow(2, level))]; Fractallines[level] = new Branch[Convert.ToInt32(Math.Pow(2, level))];
int x = 0; int x = 0;
for (int i = 0; i < Fractallines[level - 1].Length; i++) for (int i = 0; i < Fractallines[level - 1].Length; i++)
{ {
Trace.WriteLine("level: " + level); double Degree = Fractallines[level - 1][i].degree;
if (Fractallines[level - 1][i].left) if (Fractallines[level - 1][i].left)
{ {
Trace.WriteLine("x: " + x); double leftdegree = MainDegree + Degree;
double rightdegree = -MainDegree + Degree;
Fractallines[level][x] = new Branch( Fractallines[level][x] = new Branch(
Fractallines[level - 1][i].X2, Fractallines[level - 1][i].Y2, Fractallines[level - 1][i].X2,
-(Math.Sin(deg + deg * (level - Modificator(x, level))) * Length) + Fractallines[level - 1][i].X2, -(Math.Cos(deg + deg * (level - Modificator(x, level))) * Length) + Fractallines[level - 1][i].Y2 Fractallines[level - 1][i].Y2,
, true); -(Math.Sin(leftdegree) * Length) + Fractallines[level - 1][i].X2,
-(Math.Cos(leftdegree) * Length) + Fractallines[level - 1][i].Y2,
true,
leftdegree);
Fractallines[level][++x] = new Branch( Fractallines[level][++x] = new Branch(
Fractallines[level - 1][i].X2, Fractallines[level - 1][i].Y2, Fractallines[level - 1][i].X2,
-(Math.Sin(-deg + deg * (level - Modificator(x, level))) * Length) + Fractallines[level - 1][i].X2, -(Math.Cos(-deg + deg * (level - Modificator(x, level))) * Length) + Fractallines[level - 1][i].Y2 Fractallines[level - 1][i].Y2,
, false); -(Math.Sin(rightdegree) * Length) + Fractallines[level - 1][i].X2,
-(Math.Cos(rightdegree) * Length) + Fractallines[level - 1][i].Y2,
false,
rightdegree);
} }
else else
{ {
Trace.WriteLine("x: " + x); double leftdegree = -(MainDegree - Degree);
double rightdegree = -(-MainDegree - Degree);
Fractallines[level][x] = new Branch( Fractallines[level][x] = new Branch(
Fractallines[level - 1][i].X2, Fractallines[level - 1][i].Y2, Fractallines[level - 1][i].X2,
-(Math.Sin(deg - deg * (level - Modificator(x, level))) * Length) + Fractallines[level - 1][i].X2, -(Math.Cos(deg - deg * (level - Modificator(x, level))) * Length) + Fractallines[level - 1][i].Y2 Fractallines[level - 1][i].Y2,
, true); -(Math.Sin(leftdegree) * Length) + Fractallines[level - 1][i].X2,
-(Math.Cos(leftdegree) * Length) + Fractallines[level - 1][i].Y2,
true,
leftdegree);
Fractallines[level][++x] = new Branch( Fractallines[level][++x] = new Branch(
Fractallines[level - 1][i].X2, Fractallines[level - 1][i].Y2, Fractallines[level - 1][i].X2, Fractallines[level - 1][i].Y2,
-(Math.Sin(-deg - deg * (level - Modificator(x, level))) * Length) + Fractallines[level - 1][i].X2, -(Math.Cos(-deg - deg * (level - Modificator(x, level))) * Length) + Fractallines[level - 1][i].Y2
, false); -(Math.Sin(rightdegree) * Length) + Fractallines[level - 1][i].X2,
-(Math.Cos(rightdegree) * Length) + Fractallines[level - 1][i].Y2,
false,
rightdegree);
} }
x++; x++;
} }
@ -69,10 +87,7 @@ namespace FractalTreeGtk.Draw
{ {
NextLevel(); NextLevel();
} }
} else Drawing = false;
private int Modificator(int x, int level)
{
return 1;
} }
//private int SumOfBranches() //private int SumOfBranches()
//{ //{