let bx,by;

let cx, cy;

let x,y;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

    ax = random(width);

    ay = random(height);

    bx = random(width);

    by = random(height);

    cx = random(width);

    cy = random(height);

    dx = random(width);

    dy = random(height);

    x = random(height)

    y = random(width)

    background(0);

    stroke(255,0,255);

    strokeWeight(2);

    point(ax,ay);

    point(bx,by);

    point(cx,cy);

    point(dx,dy);

}

​

function draw() {

    for(let i =0; i<100; i++){

        point(x,y);

        let r = floor(random(4))

        if(r == 0){

            stroke(255,0,0,80);

            x = lerp(x,ax,0.5);

            y = lerp(y,ay,0.5);

        } else if (r == 1){

            stroke(0,255,0,80);

            x = lerp(x,bx,0.5);

            y = lerp(y,by,0.5);

        } else if (r == 2){

            stroke(0,0,255,80);

            x = lerp(x,cx,0.5);

            y = lerp(y,cy,0.5);

        } else if (r == 3){

            stroke(0,255,255,80);

            x = lerp(x,dx, 0.5);

            y = lerp(y,dy, 0.5);

            }

    }

}