var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'phaser-example', { preload: preload, create: create, render: render });

function preload() {

    game.load.image('ufo', 'assets/sprites/ufo.png');
    game.load.image('baddie', 'assets/sprites/space-baddie.png');
    
}

var friendAndFoe;
var enemies;

function create() {

    // Create some local groups for later use.
    friendAndFoe = game.add.group();
    enemies = game.add.group();

    // You can directly create a sprite and add it to a group
    // using just one line. 
    friendAndFoe.create(200, 240, 'ufo');

    // Create some enemies.
    for (var i = 0; i < 8; i++)
    {
        createBaddie();
    }

    // Tap to create new baddie sprites.
    game.input.onTap.add(createBaddie, this);

}

function createBaddie() {

    enemies.create(360 + Math.random() * 200, 120 + Math.random() * 200,'baddie');

}

function render() {

    game.debug.renderText('Tap screen or click to create new baddies.', 16, 24);

}