float x,y,t,d,m=250, b, h,v,fa=0.1,fb=0.1,aa=16,ab=16,f2=2,r1=120, r2=40, r3=-30, f3=7;
color colour;
color colours[]=new color[257];
//float angle[][]=new float[300][300];
float sinArray[]=new float[721];

int xPos, yPos, c, i;

void draw(){
  //if(t<-10.0 && t>-10.2) println ("fps: " t*10000/millis());
  t=0;
  background(0);
  while (t<PI*20){
    //SetColor(t*100);
    xPos=(int)(m+r1*sine(t)+r2*sine(t*f2)+r3*sine(t*f3));
    yPos=(int)(m+r1*cosine(t)+r2*cosine(t*f2)+r3*cosine(t*f3));
    star(xPos, yPos);
    t+=0.001;
    }
  f2+=0.002;
}

void dot (int xPos, int yPos) {
    c=(int)(brightness(get(xPos,yPos)))+8;
    if (c<0) c=0;
    if (c>255) c=255;
    colour=colours[c];
    set(xPos,yPos,colour);
}

void star (int xPos, int yPos) {
    c=(int)(brightness(get(xPos,yPos)))+12;
    if (c<0) c=0;
    if (c>255) c=255;
    colour=colours[c];
    set(xPos,yPos,colour);
    c=(int)(brightness(get(xPos+1,yPos)))+5;
    if (c<0) c=0;
    if (c>255) c=255;
    colour=colours[c];
    set(xPos+1,yPos,colour);
/*    c=(int)(brightness(get(xPos-1,yPos)))+3;
    if (c<0) c=0;
    if (c>255) c=255;
    colour=colours[c];
    set(xPos-1,yPos,colour);
    c=(int)(brightness(get(xPos,yPos+1)))+3;
    if (c<0) c=0;
    if (c>255) c=255;
    colour=colours[c];
    set(xPos,yPos+1,colour);*/
    c=(int)(brightness(get(xPos,yPos-1)))+5;
    if (c<0) c=0;
    if (c>255) c=255;
    colour=colours[c];
    set(xPos,yPos-1,colour);
}

void setup() { 
  size(500, 500, P3D); 
  framerate(60); 
  x=0;
  i=0;
  while (i<720){
    sinArray[i]=sin((float)i*PI/360.0);
    i++;
  }
  i=0;
  while (i<256){
    colours[i]=color(i,i,i);
    i++;
  }   
} 

float sine(float ang){
  while (ang<0) ang+=PI*2;
  return sinArray[(int)((ang*360/PI))%720];
} 

float cosine(float ang){
  while (ang<0) ang+=PI*2;
  return sinArray[(int)((ang*360/PI)+540)%720];
}

void keyPressed(){
    if (key=='s') saveFrame("rosaly-####.tif");
}

void mouseDragged(){
    if (mouseButton==LEFT){
        f2+=(mouseX-pmouseX)*0.001;
        r2+=(mouseY-pmouseY)*0.1;    
    }
    if (mouseButton==RIGHT){
        f3+=(mouseX-pmouseX)*0.001;
        r3+=(mouseY-pmouseY)*0.1;    
    }        
}