var jump = 1/2;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(220);

  a = createVector(random(width),random(height));

  b = createVector(random(width),random(height));

  c = createVector(random(width),random(height));

  x = random(width);

  y = random(height);

}

​

function mouseClicked(){

  background(220);

  a = createVector(random(width),random(height));

  b = createVector(random(width),random(height));

  c = createVector(random(width),random(height));

  x = random(width);

  y = random(height);

}

​

function draw() {

  strokeWeight(10);

  stroke(255,0,0);

  point(a);

  stroke(0,255,0);

  point(b);

  stroke(0,0,255);

  point(c);

  strokeWeight(1);

  for(var i = 0; i < 1000; i++){

    var r = floor(random(3));

    if(r == 0){

      stroke(255,0,0);

      x = lerp(x,a.x,jump);

      y = lerp(y,a.y,jump);

    }

    if(r == 1){

      stroke(0,255,0);

      x = lerp(x,b.x,jump);

      y = lerp(y,b.y,jump);

    }

    if(r == 2){

      stroke(0,0,255);

      x = lerp(x,c.x,jump);

      y = lerp(y,c.y,jump);

    }

    point(x,y);

  }

}