public void Mul(ImgNumber num)
{
double newRe = Re * num.Re - Img * num.Img;
double newImg = Re * num.Img + Img * num.Re;
this.Re = newRe;
this.Img = newImg;
}
private int GetExit(ImgNumber start, ImgNumber c, int iterations)
{
for (int i = 0; i < iterations; i++)
{
if (start.Length() > 2)
{
return(i);
}
start.Mul(start);
start.Add(c);
}
return(-1);
}
public void CalculateJulia(ImgNumber z)
{
double zoom = (double)numericUpDown_zoom.Value;
double xMin = 0 - zoom + (double)numericUpDown_xOffset.Value;
double xMax = 0 + zoom + (double)numericUpDown_xOffset.Value;
double yMin = 0 - zoom - (double)numericUpDown_yOffset.Value;
double yMax = 0 + zoom - (double)numericUpDown_yOffset.Value;
int maxIterations = (int)numericUpDown_Iterations.Value;
for (int i = 0; i < canvase.Width; i++)
{
for (int j = 0; j < canvase.Height; j++)
{
double re = map(i, 0, canvase.Width, xMin, xMax);
double img = map(j, 0, canvase.Height, yMin, yMax);
ImgNumber c = new ImgNumber(re, img);
//int it = GetExit(new ImgNumber(), c, maxIterations);
int it = GetExit(c, z, maxIterations);
Color pixelColor = new Color();
if (it == -1)
{
pixelColor = Color.Black;
}
else if (it == 1)
{
pixelColor = Color.Gray;
}
else
{
int colorGrad = (int)map(it, 0, maxIterations, 30, 255);
pixelColor = Color.FromArgb(colorGrad, colorGrad, colorGrad);
}
canvase.SetPixel(i, j, pixelColor);
}
}
this.pictureBox1.Image = canvase;
}
public void CalculateMandelbrot()
{
double zoom = (double)numericUpDown_zoom.Value;
double xMin = 0 - zoom + (double)numericUpDown_xOffset.Value;
double xMax = 0 + zoom + (double)numericUpDown_xOffset.Value;
double yMin = 0 - zoom - (double)numericUpDown_yOffset.Value;
double yMax = 0 + zoom - (double)numericUpDown_yOffset.Value;
int maxIterations = (int)numericUpDown_Iterations.Value;
for (int i = 0; i < canvase.Width; i++)
{
for (int j = 0; j < canvase.Height; j++)
{
double re = map(i, 0, canvase.Width, xMin, xMax);
double img = map(j, 0, canvase.Height, yMin, yMax);
/*
* if ((re < 1.01 && re > 0.99) && ((re < 0.01 && re > -0.01) || (img < 0.01 && img > -0.01)) ||
* (re > -1.01 && re < -0.99) && ((re < 0.01 && re > -0.01) || (img < 0.01 && img > -0.01)) ||
* (img > -1.01 && img < -0.99) && ((re < 0.01 && re > -0.01) || (img < 0.01 && img > -0.01)) ||
* (img < 1.01 && img > 0.99) && ((re < 0.01 && re > -0.01) || (img < 0.01 && img > -0.01)))
* {
* canvase.SetPixel(i, j, Color.Blue);
* continue;
* }
* else if ((re < 0.01 && re > -0.01) || (img < 0.01 && img > -0.01))
* {
* canvase.SetPixel(i, j, Color.Red);
* continue;
* }
*/
ImgNumber c = new ImgNumber(re, img);
int it = GetExit(new ImgNumber(), c, maxIterations);
//int it = GetExit(c, new ImgNumber(0, -1), maxIterations);
Color pixelColor = new Color();
if (it == -1)
{
pixelColor = Color.Black;
}
else if (it == 1)
{
pixelColor = Color.Gray;
}
else
{
int colorGrad = (int)map(it, 0, maxIterations, 30, 255);
pixelColor = Color.FromArgb(colorGrad, colorGrad, colorGrad);
}
canvase.SetPixel(i, j, pixelColor);
}
}
this.pictureBox1.Image = canvase;
}
public void Sub(ImgNumber num)
{
Re = Re - num.Re;
Img = Img - num.Img;
}
public void Add(ImgNumber num)
{
Re = Re + num.Re;
Img = Img + num.Img;
}
public ImgNumber(ImgNumber num)
{
this.Re = num.Re;
this.Img = num.Img;
}