var 点=1

var 点２=700

var 円=1



function setup(){

  

  createCanvas(700,700);

  background(110,120,170,70);

  //キャンバス

  

}





function draw(){

  stroke(random(230,240),random(230,240),random(240,250));

  noFill();

  strokeWeight(0.1)

  

  ellipse(350,350,random(0,400),400);

  ellipse(350,350,400,random(0,400));　//円

  

 

  点=点+1

  点２=点２-1

  

  strokeWeight(1);    //背景

 stroke(random(230,240),random(230,240),random(240,250));

  

  point(点２,1);

  point(点,100);

  point(点２,200);

  point(点,300);

  point(点２,400);

  point(点,500);

  point(点２,600);

  point(点,700);      //横線

  

  point(1,点);

  point(100,点２);

  point(200,点);

  point(300,点２);

  point(400,点);

  point(500,点２);

  point(600,点);

  point(700,点２);    //縦線

  

  円=円+2

  noStroke();

  fill(0,0,0,3);

  

  ellipse(350,350,円)

  



  

  

  

}