let bx,by;

let cx, cy;

let dx, dy;

//let ex, ey;

let x,y;

let lastR, lastlastR;

let r;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

    ax = 0;

    ay = 0;

    bx = width;

    by = 0;

    cx = 0;

    cy = height;

    dx = width;

    dy = height;

  /*ex = random(width);

  ey = random(height);*/

    x = random(height)

    y = random(width)

  lastR = 0;

  lastlastR= 0;

    background(0);

    stroke(255,0,255);

    strokeWeight(2);

    point(ax,ay);

    point(bx,by);

    point(cx,cy);

    point(dx,dy);

  //point(ex,ey);

}

​

function draw() {

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

        point(x,y);

        r = floor(random(4))

    while(r == (lastR+1)%4||r == (lastlastR+3)%4) {

      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,cx,0.5);

            y = lerp(y,cy,0.5);

        } else if (r == 2){

            stroke(0,0,255,80);

            x = lerp(x,dx, 0.5);

            y = lerp(y,dy, 0.5);

        } else if (r == 3){

            stroke(0,255,255,80);

      x = lerp(x,bx,0.5);

            y = lerp(y,by,0.5);

    }

        /* else if (r == 4){

        stroke(255,80);

            x = lerp(x,dx, 0.5);

            y = lerp(y,dy, 0.5);

    }*/

    lastlastR = lastR;

        lastR = r;

    }

}