function setup() { 

	createCanvas(300, 300); 

	strokeWeight(3); 

	 } 



function draw() { 

line(170,0,0,170);

	strokeWeight(10);

	

line(300,130,130,300);

	strokeWeight(10);

	

line(130,0,300,170);

	strokeWeight(10);

 

line(0,130,170,300);

	strokeWeight(10);

	stroke(150, 180, 200);

	

	var from = color(210, 200, 210); 

	var to = color(215, 220, 225); 

	noStroke(); 

	var tmp = frameCount % 360 

	background(lerpColor(from, to, sin(tmp * PI / 180))); 

	ellipse(random(0, 300), random(0, 300), random(50, 150)); 

	



}