Ace snow: Create snow falling effect for Titanium apps

/*************************************************************
 * This script is developed by Arturs Sosins aka ar2rsawseen, http://appcodingeasy.com
 * Feel free to distribute and modify code, but keep reference to its creator
 *
 * This Titanium object creates a falling snowflake effect for your application window.
 * It is possible to set quantity and speed of flakes, and also provide image of custom
 * snowflake. This object also provides methods to start or stop snowing and add flakes.
 *
 * For more information, examples and online documentation visit: 
 * http://appcodingeasy.com/Titanium-Mobile/Snow-for-your-Titanium-app
**************************************************************/

//create main windows
var win = Titanium.UI.createWindow({  
    title:'Tab 1',
    backgroundColor:'#000'
});

//create countdown
var AceSnow = require('AceSnow');

//generate snow
var snow = new AceSnow(win, {
	color: "white",
	fallingTime: 12000,
	flakeInterval: 800,
	flakeSize: 10,
	sizeDelta: 5,
	curve: Titanium.UI.ANIMATION_CURVE_EASE_IN_OUT,
	fadeOut: true,
	autoStart: true
});

//for button generation
var createButton = function(text, top, callback){
 	var button = Ti.UI.createButton({
    	height:50,
    	width:"50%",
    	color:'#fff',
    	title: text,
    	font: {
    	    fontSize:14,
    	    fontFamily:'Helvetica Neue',
   	     	fontWeight:'bold'
  	  	},
  	  	left:"25%",
  	  	right:"25%",
  	  	top:top
	});
	button.addEventListener('click', callback);
	return button;
};


//create button to start snow
win.add(createButton("Start snow", 100, function(){
	snow.start();
}));

//create button to stop snow
win.add(createButton("Stop snow", 150, function(){
	snow.stop();
}));

//create button to add flake
win.add(createButton("Add Flake", 200, function(){
	snow.addFlake();
}));

win.open();