Snow

const max_r = 10;

const min_r = 1;

const max_z = 20;

const min_z = 0;

const max_ys = 3;

const min_ys = 1;

​

const num = 500; 

var wind = 0;

var flag = false;

​

var snows = [num];

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  colorMode(HSB, 360, 100, 100, 100);

  background(0);

  smooth();

  noStroke();

  fill(255,100);

  for (var i=0; i<num; i++) {

    snows[i]= new Snow(i);

  }

​

}

​

function draw() {

  background(0);

  for (var i=0; i<num; i++) {

    snows[i].fall(wind);

    snows[i].show();

  }

}

​

function keyPressed(){

  if(keyCode === RIGHT_ARROW && flag==false && wind<10){

    wind++;

    flag=true;

  }else if(keyCode === LEFT_ARROW && flag==false && wind>-10){

    wind--; 

    flag=true;

  }

}

​

function keyReleased(){

  flag=false; 

}