​

function median(values){

  if(values.length ===0) throw new Error("No inputs");

​

  values.sort(function(a,b){

    return a-b;

  });

​

  var half = Math.floor(values.length / 2);

  if (values.length % 2)

    return values[half];

  return (values[half - 1] + values[half]) / 2.0;

}

​

function setup() {

  angleMode(DEGREES);

  createCanvas(400, 400);

  background(10, 50, 100);

}

​

function draw(){

  var line_start_x = width/2;

  var line_end_x = width/2;

  var line_start_y = height;

  var line_end_y = height-height/2;

​

  var y_values = [];

  for (var y = line_end_y+30; y<=line_start_y; y=y+20){

    y_values.push(y);

  }

  strokeWeight(5);

  strokeWeight(5);

  stroke(25, 150, 100);

  line(line_start_x, line_start_y, line_end_x, line_end_y);

  if (leaves > 0){

    add_leaf(line_start_x, y_values);

    leaves -= 1;

  }

  let v1 = createVector(line_start_x, median(y_values));

  stroke(255, 0, 0);

  strokeWeight(20);

  point(v1.x, v1.y);

}

​

function add_leaf(x, y_array){

    let option = random([0, 1]);

​

  if (option == 0){

    // ellipse(random(x-20, x+20), random(y_array)-20, random(20, 50), random(15, 20));

    push();    

      let v1 = createVector(x, median(y_array));

      let rand = round(random([random(-1, -10), random(1, 10)]))

      console.log(rand);

      rotate(rand, v1);

      let y_rand = random(y_array);

      line(x, y_rand, random(x-50, x-100), random(y_rand+50, y_rand));

    pop();

  } else if (option == 1){

    push()

      let v1 = createVector(x, median(y_array));

      let rand = round(random([random(-1, -10), random(1, 10)]))

      console.log(rand);

      rotate(rand, v1);

      let y_rand = random(y_array);

      line(x, y_rand, random(x-50, x-100), random(y_rand+50, y_rand));

    pop()

  }

}