class estel
{
float xIni,yIni,xNext,yNext,centerX,centerY,rad,cl;
int iniT;
float[] ctrlX = new float[10];
float[] ctrlY = new float[10];

estel(float X, float Y, float R, float CL )
{
  iniT=frameCount;
  centerX=X;
  centerY=Y;
  rad=R;
  cl=CL; // cicles
   float aux;
  for(int i=0; i<10; i=i+2)
  {
   aux=rad+random(0,rad/2); 
   ctrlX[i]=centerX+aux*(cos((PI/8)+i*PI/5));
   ctrlY[i]=centerY+aux*(sin((PI/8)+i*PI/5));
  // ellipse(ctrlX[i],ctrlY[i],10,10);
  }
  
  
  for(int i=1; i<10; i=i+2)
  {
   aux=rad+random(-3*rad/4,-rad/4); 
   ctrlX[i]=centerX+aux*(cos((PI/8)+i*PI/5));
   ctrlY[i]=centerY+aux*(sin((PI/8)+i*PI/5));
//   ellipse(ctrlX[i],ctrlY[i],10,10);
  }
  
  xIni=ctrlX[0];
  yIni=ctrlY[0];

}


void updatEstel()
{
 float k, shrink;
 int T;
 T=frameCount-iniT;
 k=round(T/10);
 shrink=1-k/cl;
 
 if(shrink>0)
 {
  xNext=centerX+shrink*(ctrlX[T%10]-centerX);
  yNext=centerY+shrink*(ctrlY[T%10]-centerY);
  line(xIni,yIni,xNext,yNext);
  
  xIni=xNext;
  yIni=yNext;
 }

}


}

 estel E;
 nit n;

void setup()   
{              
  size(400, 400); 
  background(0);
  stroke(255,255,0);
  frameRate(12);

  fill(0,0,255);
  loadPixels();
  n = new nit();
  n.initDisplay();
 
}


void draw()  
{
  n.display();
 
  if(frameCount==1)
  {
   E = new estel(width/2, height/2, 150,20.0);
  }

  E.updatEstel();     
}
 
 
   

class nit
{
  int N;
  color C;

 
 void initDisplay()
 {
   for(int i=0; i<height; i++)
   {
     for(int j=0; j<width; j++)
     {
           
      // pixels[i*width+j]=color(0,0,random(0,255-255*abs(i-height/2)*(2/height)));
      pixels[i*width+j]=color(0,0,random(0,255-100*(2.0/height)*abs(i-height/2.0)-100*(2.0/width)*abs(j-width/2.0)));
       }
   }
   updatePixels();
 }
 
 void display()
 {
   color banda=color(0);
   int auxB=0;
   float auxBB=0;
   float auxRR=0;
   
   loadPixels();
   
   for(int i=0; i<height; i++)
   {
     for(int j=0; j<width; j++)
     {
       auxRR=red(pixels[i*width+j]);
       if(auxRR<100)
       {
        auxBB=blue(pixels[i*width+j]);
        // auxB=(round(auxBB)+2)%200;
        auxB=(round(auxBB)+2)%round(255-100*(2.0/height)*abs(i-height/2.0)-100*(2.0/width)*abs(j-width/2.0));
        
        pixels[i*width+j]=color(0,0,auxB);
       } 
    
  //  if(i%50==0 ||i%50==1 ){banda=color(0);}
  //  if(i%50==2){banda=color(0,0,random(0,255));}
  //  pixels[i*width+j]=banda;
     }
   }
   updatePixels();
   
 }
 
}