randomChord

let n=0,sum=0;
let chord;
let array=[];
function setup(){
  createCanvas(windowWidth,windowHeight);
  noFill()
  strokeWeight(0.1)
}

function draw(){
  translate(width/2,height/2);
  d=min(width,height)/1.2
  x1=random(-d/2,d/2);
  p=random(-1,1)
  if (p>=0){
    p=1
  }else{
    p=-1
  }
  q=random(-1,1)
  if (q>=0){
    q=1
  }else{
    q=-1
  }
  y1=p*sqrt(pow(d/2,2)-x1*x1);
  y2=random(-d/2,d/2);
  x2=q*sqrt(pow(d/2,2)-y2*y2);
  line(x1,y1,x2,y2);
  rect(width/3,height,3,50,50);
  chord=dist(x1,y1,x2,y2)
  if(chord>0){
    sum = sum+chord;
  avg=sum/n;
  n++
  noStroke()
  fill(255)
  rect(width/3,height/3-20,300,100);
  fill(0)
  text("Average Length: " + round(avg,3),width/3, height/3)
  text("Diameter: " +round(d,2),width/3,height/3+20)
  text("Ratio d/avg: "+ round(d/avg,5),width/3,height/3+40)
  text("n: "+ n,width/3,height/3+60)
  noFill()
  stroke(0)
  strokeWeight(0.1)
  }else{
    console.log(chord,x1,y1,x2,y2)
  }  
}