let curTime;

​

const offsetMinutes = 0;

const acceleration = 1;

​

function setup() {

  createCanvas(600, windowHeight);

  lengths = [170,60];

  noSmooth()

  strokeWeight(1.2)

}

​

function draw() {

  curTime = millis() * acceleration + offsetMinutes * 60000;

  // curTime = millis() * mouseX + 6000 * (mouseY-height/2);

  let minutes = 71 - (curTime/60000)

  if(minutes<61){

    background(80,100,80)

  } else{ background(100,0,0); }

  angleMode(DEGREES)

  // stroke(0);

  // line( sin(curTime/1000) * width * 2, cos(curTime/1000) * width * 2, width/2,height/2);

  for(let i=0;i<minutes;i++){

    drawBranch(width/2, height/2, i, minutes, 1, 1, 0);

  }

}

​

function drawBranch(x0, y0, index, maxIndex, superIndex, maxSindex, depth){

  if(depth==0){

    if(index>60){

      stroke(35,50 + 100 * (index-60)/(maxIndex-60),100);

    }

    else{

      stroke(50 + 85 * index/maxIndex,0,50 - 25 * index/maxIndex)

    }

  }

  let angle = (0.4 + 0.2*index/maxIndex) * (600+curTime/100) + superIndex/maxSindex * 360;

  let length =  (1 + index%4) * index/maxIndex * superIndex/maxSindex * lengths[depth] * 0.5;

  let x1 = x0 + sin(angle) * length;

  let y1 = y0 + cos(angle) * length;

  line(x0,y0,x1,y1);

  if(depth<1){

    let seconds;

    if(index == floor(maxIndex)){

      seconds = min( 60 - (curTime/1000) % 60, 60 )

    } else{ seconds = 60 }

    for(let i=0;i<seconds;i++){

      drawBranch(x1, y1, i, seconds, index, maxIndex, depth+1)

    }

  }

}

​

// function createBranch(depth){

//   let branch = {

//     depth: depth,

//     rot: random(-15, 15),

//     children: [],

//     hue: random(90,120)%100,

//     index: index

//   }

// }