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              //Another shameless Bees & Bombs copy
//I only added a slider
//I like sliders

var num; //number of dots
var nSlider; //slider for number of dots

function setup(){
  createCanvas(600,600);
  //HSB is easier to make rainbows!
  colorMode(HSB);
  nSlider = createSlider(2,40,20);
  nSlider.position(10,10);
}

function draw(){
  num = nSlider.value();
  background(0);
  //display value of slider
  fill(255);
  text("n = "+num,150,20);
  //Go to center
  translate(width/2,height/2);
  //Repeat this many times
  for (var i =0; i<num; i++){
    push(); //remember this spot
    // this will be an important variable
    var shift = (2*PI*i/num);
    //space the dots around the circle
    rotate(shift);
    //here's the color; Vary the hue for rainbow
    fill((15*i)%255,255,255); 
    //draw the circles using a trig function for oscillation
    ellipse(0,130+100*cos((frameCount/15)+3*shift),15,15);
    pop(); //return to the original spot
  }
}
            
          
!
999px
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