#Codevember day09: Green

let sw;
let sc;
let depth;
let noiseScale;
function setup() {
  createCanvas(400, 400);
  colorMode(HSB,360,100,100,100);
  angleMode(DEGREES);
  
  sw = 10;
    sc = color(0,0,100);  
  depth = 0;
  noiseScale = random(100,400);
}

function draw(){
  background(120,40,40);
  translate(width / 2, height);
  let len = height /10;
  branch(depth,len);
  noLoop();
}

function branch(depth,len){
  if(depth < 10){
    let sw = map(len,0,height/10,0,5);
        strokeWeight(sw);
    strokeCap(ROUND);
    stroke(0,0,80);
    line(0,0,0,-len);
    push(); // a start
    translate(0,-len);
    rotate(random(-15,15));
    
    len = len * random(0.85,0.93);

    if(random(100) < 50){
      push();
        rotate(-20,0);
      branch(depth + 1,len);
      pop();
      push();
        rotate(0,20);
      branch(depth + 1,len);
      pop();
    }else{
      push();
        branch(depth,len);
      pop();
    }
    pop(); // a end
  }
}

function mousePressed(){
    redraw();
}