// EXAMPLE
// Define a timer function that plays
// a click sound

var myFunc = function () {
 PS.audioPlay( "fx_click" );
};

// Start a timer that runs the function
// once every second

var myTimer = PS.timerStart( 60, myFunc );

// Stop the previously started timer

PS.timerStop( myTimer );

var G; // establish game namespace

// Self-invoking function initializes G
// and encapsulates other data and functions

( function () {
 // Private variables

 var timer = null; // timer id, null if none
 var count = 0; // countdown value

 // Private timer function, called every second

 var tick = function () {
 count -= 1;
 if ( count < 1 ) { // reached zero?
 PS.timerStop( timer );
 timer = null; // allows restart
 PS.audioPlay( "fx_bang" );
 PS.color( 0, 0, PS.COLOR_GRAY ); // flash bead
 G.nuke(); // show nuke
 PS.statusText( "Touch bead to restart timer" );
 }
 else {
 // Set glyph to numeral
 PS.glyph( 0, 0, count.toString() );
 PS.glyphColor( 0, 0, PS.COLOR_YELLOW );
 PS.audioPlay( "fx_click" );
 }
 };

 // Initialize public G object

 G = {
 // Show nuke glyph

 nuke : function () {
 PS.glyph( 0, 0, 0x2622 ); // nuke
 PS.glyphColor( 0, 0, PS.COLOR_RED );
 },

 // Start the timer if not already running

 start : function () {
 if ( !timer ) { // null if not running
 count = 6; // reset count
 timer = PS.timerStart( 60, tick );
 PS.statusText( "Countdown started!" );
 PS.audioPlay( "fx_ding" );
 }
 }
 }
}() )

PS.init = function( system, options ) {
 PS.gridSize( 1, 1 );
 PS.gridColor( PS.COLOR_BLACK );
 PS.color( 0, 0, PS.COLOR_GRAY );
 PS.border( 0, 0, 0 ); // no border
 G.nuke(); // show nuke

 // Use fader to flash bead at
 // end of countdown

 PS.fade( 0, 0, 30, { rgb : PS.COLOR_WHITE } );

 // Preload required sounds

 PS.audioLoad( "fx_ding" );
 PS.audioLoad( "fx_click" );
 PS.audioLoad( "fx_bang" );

 PS.statusColor( PS.COLOR_WHITE );
 PS.statusText( "Touch bead to start timer" );
};

PS.touch = function( x, y, data, options ) {
 G.start();
};