5-2

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(0);

  noStroke()

  var count=0

  for(var x=0;x<width;x+=50){

    for(var y=0;y<height;y+=50){

      count+=1

      strokeWeight(4);

      stroke(random(200,255),random(255),random(255))

      fill(random(200,255),random(255),random(255))

      // if(count%3==0){ //每3倍數才出現 3 6 9 12

      //  rect(x,y,50)

      // }

      if(count%5<4){ 

        rect(x,y,40,40,5)

        if(random()<0.5){

          fill(random(200,255),random(255),random(255))

          stroke(0,0,0)

          strokeWeight(4);

          ellipse(x+20,y+20,20)

        }

      }

    }

  }

​

}

​

function draw() {

​

}