flakes = []

​

function setup() {

  frameRate(144)

  createCanvas(windowWidth, windowHeight)

}

function spawnFlake() {

  x = random(0, width)

  y = - 20

  size = 15

  flakes.push([

    createVector(x,y),

    size,

    int(random(7,12))

  ])

}

​

function mouseClicked(){

  spawnFlake()

}

​

function drawSnowFlake(location, size, arms) {

  for (let i = 0; i < arms; i++) {

    let angle = TWO_PI / arms * i;

    let armEnd = p5.Vector.fromAngle(angle).mult(size).add(location);

    drawSnowFlakeArm(location, armEnd, size / 3);

  }

}

​

function drawSnowFlakeArm(start, end, size) {

  line(start.x, start.y, end.x, end.y);

  if (size > 10) {

    let newSize = size / 3;

    let angle = PI / 3;

​

    let left = p5.Vector.sub(end, start).rotate(-angle).setMag(newSize).add(end);

    let right = p5.Vector.sub(end, start).rotate(angle).setMag(newSize).add(end);

​

    drawSnowFlakeArm(end, left, newSize);

    drawSnowFlakeArm(end, right, newSize);

  }

}

​

SPAWNS = [12,43,23,65,87,34,12,87,35]

SPAWN_I = 1

function draw() {

  background(55,55,230);

  push()

  stroke('rgba(26,218,218,0.53)')

​

  indices_to_remove = []

  for (const [i,flake] of flakes.entries()){

    [l, size, arms] = flake

    drawSnowFlake(l, size, arms)

    l.y +=1

    if(l.y>height+size){

      flakes.splice(0,1)

    }

  }

  pop()

​

​

  if (frameCount % SPAWNS[SPAWN_I]) {

    spawnFlake()

    SPAWN_I =  (1+SPAWN_I) % SPAWNS.length

  }

}