bezierVertex

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(255);

}

​

function draw() {

  var plant = new Plant(random()*width, random()*height);

  plant.show();

}

​

function Plant(x,y) {

  this.x = x;

  this.y = y;

  this.leafs = [];

  for(var n = 0; n < 100; n++) {

    this.leafs.push(new Leaf(0,0,height/2*noise(n),noise(n)*TWO_PI*4));                       

  };

  this.show = function(){

    push();

    translate(this.x,this.y);

    this.leafs.map(l => l.show());

    pop();

  }

}

​

function Leaf(x,y,l,a){

  this.x=x;

  this.y=y;

  this.l=l;

  this.a=a;

  this.o = random()*127

  this.show = function(){

    strokeWeight(1);

    stroke(0,this.o);

    fill(23,212,43,3);

    push();

    translate(this.x,this.y);

    rotate(this.a);

    beginShape();

    vertex(0,0);

    bezierVertex(0,-this.l/2,this.l/2,-this.l/2,0,-this.l); 

    vertex(0,-this.l);

    bezierVertex(0,-this.l/2,-this.l/2,-this.l/2,0,0);  

    endShape();

    pop();

  }

}