noise

float pointSize = 1.0;

float speed = 0.005;  

void setup() {

  size(1200, 620);

}

​

void draw() {

    background(255,255,255);

    fill(0,0,0);

    noStroke();

​

    pointSize=pointSize+speed;

    for(int i = 0; i < height*width; i= i+100){

        rect(random(width),random(height),pointSize,pointSize);

    }

    if( pointSize >= 3.0 || pointSize <=1 ){

        speed=speed*-1.0;

​

    }

​

}

​

​