rot from within

float h,k; 

float directionh,directionk;

float speedh,speedk;

float cont,lite1;  

float cont2;

void setup()

{

  colorMode(HSB,360,100,100,100);

  size(600,400);   

  float h=1;

  float k=140;

  float col = 40;

  float directionk = 1; 

  float directionh = -1;

  float speedk = 0.16;

  float speedh = 0.16; 

/////////// //////

}

void draw()

{

 // background(0,0,h,1);

  noStroke();

  fill(0,0,100,1); 

  rect(0,0,width,height);

 h += speedh*directionh;                       

if(h>60){

  directionh = -directionh;

}

if(h<1){

  directionh = -directionh;

}

///////////// 

 lite1 = 150-h*PI;//to adjust spectrum, change 155

frameRate(20); //vary this, interesting

smooth();

translate(width/2,height/2);

noStroke();                    

  for (int i =0; i<8; i++)

  {

    ///////////////////

    float speedk = 0.006;

        float k=30;

        float directionk = 1;  

       k += speedk*directionk;                       

        if(k>200){

           directionk = -directionk;

              }

               if(k<10){

               directionk = -directionk;

              } 

              //////////////

    for (float cont=0; cont<TWO_PI; cont = cont + PI/k)

    {

      fill(lite1*cont,100,100,40);

     bezier(

         mouseX/4*sin(cont2-6*cont), //movement

         cont*height/PI,

         2+cont*10,(10+cont*10),

         mouseY/8.0*sin(cont2-6*cont),

         cont*height/PI,

         h+cont*60,20+cont*80);

        ////////////////////

      fill(0,0,0,20);

       rect(

         mouseX/8.0*sin(cont2-6*cont),

         cont*height/PI,

         4+cont*6,(4+cont*6),

         mouseY/2.0*cos(cont2-6*cont),

         cont*height/PI,

         2+cont*6,40+cont*6);

    }

     cont2 = cont2 + PI/360;

     rotate(TWO_PI/8);

  }  

  println(frameCount);

  println(frameRate);  

  }

​