SketchBook

function setup() {
createCanvas(600, 600);
background(174, 222, 220);

centerXa = 0;
 centerYa = 0;
centerXb = centerXa;
centerYb = centerYa;
}

function draw() {
centerXa = centerXa + random(500,600,1200,300);
centerYa = centerYa + random(600,450,467,300);

stroke(frameCount%255,182,193,300);
line(centerXa, centerYa,centerXb,centerYb);

}