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HTML

              
                <!--   Click mouse or tap screen changes          effects
    
    -- Best in Full Page View --

-->

              
            
!

CSS

              
                body {padding: 0; margin: 0; overflow :hidden; background: #000; cursor: pointer;}

.dropletsize {
  position: absolute;
  width: 90px;
  left: 200px;
  top: 6px;
  display: none;
  font-family: Arial;
  background: transparent;
  color: #888;
  font-size: 16px;
  
}
.splashsize {
  position: absolute;
  width: 90px;
  left: 200px;
  top: 45px;
  display: none;
  font-family: Arial;
  background: transparent;
  color: #888;
  font-size: 16px;
  
}
.numberofdrops {
  position: absolute;
  width: 90px;
  left: 200px;
  top: 84px;
  display: none;
  font-family: Arial;
  background: transparent;
  color: #888;
  font-size: 16px;
  
}

.myMenu { 
  position: absolute;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  background: rgba(128, 128, 128, .25);
  transition: all .2s;
}

.myMenu:hover {
  color: white;
  font-size: 20px;
  background: rgba(128, 128, 128, .25);
  transition: all .2s;
  cursor: pointer;
  width: 300px;
  height: 400px;
  border-radius: 0 10px 10px 10px;
}

.lines, .lines:after, .lines:before {
  border-radius: 40%;
  box-shadow: 0 0 1px 0 #000;
  position: absolute;
  width: 14px;
  height: 2px;
  background: black;
}

.lines {
    top: 4px;
    left: 3px;
}
.lines:after {
  content: '';
  top: 5px;
  left: 0px;
}
.lines:before {
  content: '';
  top: 10px;
  left: 0px;
}
  

input[type=range] {
  -webkit-appearance: none;
  width: 10%;
  margin: 13.8px 0;
}
input[type=range]:focus {
  outline: none;
}
input[type=range]::-webkit-slider-runnable-track {
  width: 10%;
  height: 2px;
  cursor: pointer;
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  background: #333333;
  border-radius: 1.3px;
  border: 1px solid #010101;
}
input[type=range]::-webkit-slider-thumb {
  box-shadow: 1px 1px 1px #000000, 0px 0px 1px #0d0d0d;
  border: 1px solid #000000;
  height: 20px;
  width: 8px;
  border-radius: 3px;
  background: #333333;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -10px;
}
input[type=range]:focus::-webkit-slider-runnable-track {
  background: #333333;
}
              
            
!

JS

              
                var drops = [];
var raindropSize = .2;
var droplets = 1300;
var maxDrops = 1000;
var thue;
var flig = 0;
var thickness = 21;
var tx;
var ty = 10;
var loc = 0;
var direct = -1;
var trail = .2;
var fade = 1;
var ms;
var distancy;
var mob = 0;
var xp = 1;
var yp = 1;
var value;


function setup() {

  //smooth();
  noStroke();
  colorMode(HSB, 360, 100, 50, 1);
  createCanvas(window.innerWidth, window.innerHeight);
  if (window.innerWidth < 800) mob = 1;
  if(mob == 1) droplets = droplets / 15;
    tx = random(-3, 3);
  
  for (var i = 0; i < droplets; i++) {
    var x = round((random(width / raindropSize)) * raindropSize);
    var y = round(random(height / raindropSize)) * raindropSize - window.innerHeight;
    var r = raindropSize;
    var h = map(x, 0, width, 0, 360); //(0, 360);
    var s = random(1, 19);
    //trail = random(0.26, .7);
    thue = h;
    
    distancey = random(1, window.innerHeight);
    tswell = ((distancey / window.innerHeight) * 25) * s / 2;
    drops[i] = new RainDrop(x, y, r, h, s, tswell, distancey);
  }
}



function draw() {

  var lig = random(0, 5);
  if (lig > 4.9) {flig = 50; thickness = round(random(1, 19)); lightening();}
   background(200, 100, flig, trail);
    flig -= 15;
  for (var i =0; i < droplets; i++) {
    drops[i].move();
    drops[i].display();
    
  }
}

function RainDrop(tempX, tempY, tempDiameter, tempHue, tempSpeed, tswell, tdistance) {
  colorMode(HSB, 360, 100, 50, 1);
  this.x = tempX;
  this.loc = tempX;
  this.y = tempY;
  this.spot = 0;
  this.diameter = tempDiameter;
  this.h = tempHue;
  this.s = tempSpeed;
  this.swell = tswell;
  this.distancey = tdistance;
  this.move = function() {
   
    //var ty = this.s;
    this.x += (tx * raindropSize);
    if (this.y < tdistance) this.y += tempSpeed;
    if (this.x > width) {this.loc = this.x; this.x = this.x - window.innerWidth;}
    if (this.x < - 20) this.x = width;    
    
   // fill(255);
   // text(this.y, 100, 100);
   // noFill();}
    if (this.y > tdistance) { this.y = tdistance - raindropSize; this.spot = 1; this.x -= (tx * raindropSize);
      
      var fd = this.swell / tswell;
      //var puddle = map(tswell, 0, tdistance, 1, 20);
      strokeWeight(raindropSize); stroke(this.h, 100, 50, fd); noFill();
                          
      ellipse(this.x + 1, tdistance, this.swell / 3, this.swell / 15);
      //console.log(this.h);                                  
      this.swell -= 5;}
      if (this.swell < 4) {this.swell = tswell; this.y = random(-window.innerHeight, 0); this.spot = 0; this.distancey = tdistance;}
     // this.f += 2;
     //this.y -= (tempSpeed);
  //if (this.f > 9) {this.y = 0; this.f = 0;  }
  //direct = direct * -1;                                           }

 //round(random(height / raindropSize)) * (raindropSize - height);
                      

  
  this.display = function() {
    if (this.spot == 0) {
    noStroke();
  fill(tempHue, 100, 50, fd);
    ellipse(this.x, this.y, raindropSize * 5, raindropSize * 5); //this.diameter);
  }}
    
    
  }}


function mouseReleased() {
  colorMode(HSB, 360, 100, 50, .8);
  raindropSize = random(.05, 0.5);
  droplets = round(random(10, 2000));
  if (mob == 1) droplets = droplets / 12;
  tx *= -1;
  for(var i = droplets; i < maxDrops; i++) { drops[i] = 0;
  i++;
}
  
  for (var i = 0; i < droplets; i++) {
       var x = random(-30, window.innerWidth);
    var y = random(-window.innerHeight, -30);// - height;
    var r = raindropSize;
    var h = map(x, 0, width, 0, 360);
    var s = random(4,30);
    trail = random(0.1, .4);
    thue = h;
    distancey = random(1, window.innerHeight);
    tswell = ((distancey / window.innerHeight) * 15) * s / 2;
   drops[i] = new RainDrop(x, y, r, h, s, tswell, distancey);
   
  }

}



function lightening() {
  var starts = 0;
  var xpos = random(0, width);
  while (thickness > 0) {
  var abolt = random(0, 100);
  var bbolt = random(-20, 20);
    strokeWeight(thickness);
    stroke(200, 100, 50, 1);
    line (xpos, starts, xpos+bbolt, starts+abolt);
    xpos += bbolt;
    starts += abolt;
  thickness--;

  }}





              
            
!
999px

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