Root: Die Seite wurde neu angelegt: „{Java2HtmlPlugin public class MandelbrotCalculator { public int width; public int height; public int[ fractalPixels; public double[] zr; public double[] zi; public int[] iterationPixels; public int iteration; public Complex o = new Complex(); public Complex d = new Complex(); public synchronized void initFractalParameters() { o=new Complex(2,2); d…“

2024-10-22T18:35:55Z

Die Seite wurde neu angelegt: „{Java2HtmlPlugin public class MandelbrotCalculator { public int width; public int height; public int[ fractalPixels; public double[] zr; public double[] zi; public int[] iterationPixels; public int iteration; public Complex o = new Complex(); public Complex d = new Complex(); public synchronized void initFractalParameters() { o=new Complex(2,2); d…“

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[[Java2Html Plugin Public Class Mandelbrot Calculator Public Int Width Public Int Height Public Int|{Java2HtmlPlugin

public class MandelbrotCalculator {

public int width;
public int height;
public int[]] fractalPixels;
public double[] zr;
public double[] zi;
public int[] iterationPixels;
public int iteration;
public Complex o = new Complex();
public Complex d = new Complex();

public synchronized void initFractalParameters() {
o=new Complex(2,2);
d=new Complex(4,4);
}

public synchronized void calculateOneIteration() {
double cr;
double ci;
double ab;
double z1r;
double z1i;
double zr2;
double zi2;
double boundary = 1e4;
iteration++;
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
int i = x+y*width;
cr=x*d.r/width-o.r;
ci=o.i-y*d.i/height;
zr2=zr[[I|i]]*zr[[I|i]];
zi2=zi[[I|i]]*zi[[I|i]];
ab=zr2+zi2;
if (ab<boundary) {
z1r=zr2-zi2+cr;
z1i=2*zr[[I|i]]*zi[[I|i]]+ci;
zr[[I|i]]=z1r;
zi[[I|i]]=z1i;
} else {
if (iterationPixels[[I|i]]==0) {
iterationPixels[[I|i]]=iteration;
}
}
}
}
Polar po = new Polar();
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
int i = x+y*width;
if (iterationPixels[[I|i]]==0) {
po.setComplex(zr[[I|i]],zi[[I|i]]);
fractalPixels[[I|i]]=Hsi2Rgb(po.w,1,(Math.PI+0.7F)*po.r);
} else {
double f = ((double)iterationPixels[[I|i]])/((double)iteration);
fractalPixels[[I|i]]=Color.HSBtoRGB(0F,1F,(float)f);
}
}
}
}

public void setDimensions(int pWidth, int pHeight) {
width = pWidth;
height = pHeight;
int size = width * height;
fractalPixels = new int[[Size|size]];
zr = new double[[Size|size]];
zi = new double[[Size|size]];
iterationPixels = new int[[Size|size]];
}

public static int rgbToInt(int r, int g, int b) {
return ((255 & 0xFF) << 24) | ((r & 0xFF) << 16) | ((g & 0xFF) << 8) | ((b & 0xFF) << 0);
}

public synchronized void zoom(Complex center, double zoomFactor) {
d=new Complex(d.r/zoomFactor,d.i/zoomFactor);
o=new Complex(-center.r+d.r/2,center.i+d.i/2);
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
int i = x+y*width;
zr[[I|i]]=x*d.r/width-o.r;
zi[[I|i]]=o.i-y*d.i/height;
iterationPixels[[I|i]]=0;
}
}
iteration=0;
}

public void zoom(Point point, double zoomFactor) {
zoom(toGraphCoord(point),zoomFactor);
}

private Complex toGraphCoord(Point point) {
return new Complex(point.x*d.r/width-o.r,o.i-point.y*d.i/height);
}

public int Hsi2Rgb(double H, double S, double I) {
return Color.HSBtoRGB((float)H, (float)S, Math.abs((float)Math.sin(1/I)));
}

}
}]

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