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game.html
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<!doctype html>
<html>
<head>
<title>Z E D I N V A D E R S - v. 1.0</title>
<!--fogli di stile-->
<link rel="stylesheet" href="css/zedstyle.css"/>
<link rel="stylesheet" href="lib/jquery-ui.css"/>
<!--jquery -->
<script src="lib/jquery.min.js"></script>
<script src="lib/jquery-ui.min.js"></script>
<!--keyboard-->
<script src="lib/hotkeys/jquery.hotkeys-0.7.9.min.js"></script>
<!--particles-->
<script src="lib/script/explosion.js" ></script>
<!--loading bar-->
<script type="text/javascript" src="lib/script/pbar.js"></script>
<!--bootstrap-->
<link rel="stylesheet" href="lib/bootstrap.min.css">
<link rel="stylesheet" href="lib/bootstrap-theme.min.css">
<script src="lib/bootstrap.min.js"></script>
<!--audio-->
<script src="lib/audiojs/audio.min.js"></script>
<script>
audiojs.events.ready(function() {
audiojs.createAll();
});
</script>
<meta name="viewport" content="width=900px, user-scalable=no">
</head>
<body>
<div class="share_box">
<span id="close_box">✖</span>
<!--social sharing-->
<h3>Condividi!</h3>
<!-- Place this tag where you want the +1 button to render. -->
<div class="g-plusone"></div>
<!-- Place this tag after the last +1 button tag. -->
<script type="text/javascript">
window.___gcfg = {lang: 'it'};
(function() {
var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
po.src = 'https://apis.google.com/js/platform.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
})();
</script>
<!--facebook-->
<iframe src="//www.facebook.com/plugins/like.php?href=http%3A%2F%2Fzedfumetto.it%2Fzedinvaders%2Fgame.html&width=300px&layout=box_count&action=like&show_faces=true&share=true&height=65&appId=828203727194705" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:300pxpx; height:65px;" allowTransparency="true"></iframe>
<!--twitter-->
<a href="https://twitter.com/share" class="twitter-share-button">Tweet</a>
<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script>
<a href="http://zedfumetto.it" title="Visita zedfumetto.it">
<img src="https://lh3.googleusercontent.com/-CFdNvrfsfG0/UbtY9-7LgeI/AAAAAAAAABI/19MulnprsJE/w251-h250/74055_138348346319131_629271759_n.jpg"
style="width: 30px;"/>
</a>
<button id="istruzioni">TASTI</button>
Aiuta Jack a caricare la barra al 100%
usando la cyclette sulla sinistra,
e prima che gli invaders la infettino!
<button type="button" class="btn btn-default btn-lg" id="restart">
RESTART<span class="glyphicon icon-star"></span></button>
<button type="button" class="btn btn-default btn-lg" id="mute">
MUTE</button>
<h1>SCORE: <span id="points">0</span></h1>
</div>
<div id="bigcontainer">
<div id="loading" class="modal">
<h1>
<img src="http://i.stack.imgur.com/FhHRx.gif" />
Attendere...
</h1>
</div>
<div class="row">
<div class="col-md-12">
<script src="http://connect.soundcloud.com/sdk.js"></script>
<script>
SC.stream('/tracks/137934433', {
autoPlay: true,
//onfinish: playAgain,
ontimedcomments: function(comments){
console.log(comments[0].body);
}
},
function(sound) {
$('#mute').click(function(e) {
e.preventDefault();
if (muted){
sound.start();
$("button#mute").html("MUTE");
muted=false;
}
else{
sound.stop();
$("button#mute").html("MUSIC");
muted=true;
}
});
}
);
function playAgain(){
//^^^^^^????????
}
$('#istruzioni').click(function(){
alert("Tasti: FRECCIA SIN. , FRECCIA DESTRA , FUOCO / CYCLETTE : Z");
});
$( "span#close_box" ).click(function() {
$('div.share_box').fadeOut( 1000, function() {
$('div.share_box').remove();
});
});
</script>
</div>
<div id="container">
<canvas id="canvas" style="border:3px solid #000;"></canvas>
<div id="contenitore" style=" padding: 5px;background-image: url('sprites/pavimento.png'); margin-top:-5px;width: 905px;height: 126px;">
<div id="progressbar" style="">
<div class="progress-label">
Caricamento...
</div>
</div>
</div>
<code id="info" style="background-color: black; color:white; text-align: center;">-</code>
<code id="screen" style="background-color: black; color:white; text-align: center;">-</code>
<div id="console"></div>
</div>
</div><!-- bigcontainer -->
<script type="text/javascript">
var paused = false;
/**pre loading**/
$("#loading").ajaxStart(function(){
$(this).show();
}).ajaxStop(function(){
alert("fine");
$(this).hide();
});
var stop;
var vivo;
/*gestione esplosioni**/
var fr = 50.0;
var xyz = 1000.0;
var frameRate = fr;
var frameDelay = xyz / frameRate;
setInterval( function(){
updateExplosion( getCtx(), frameDelay);
}, frameDelay );
/////////////////////////////////////////////////////START/////////////////////////////////////
document.body.addEventListener("keydown", function(e) {
keys[e.keyCode] = true;
});
document.body.addEventListener("keyup", function(e) {
keys[e.keyCode] = false;
});
//main init
window.addEventListener("load", function(){
var version = new Date().getTime();
version = Math.round( version/100000000000,2 );
$("p span").text( version + "b" );
var msg = "tile = ( "+tilew+" x "+tileh+" px ) "+", screen size : width = "+width1+"px, height = "+height1+"px" ;
$('#screen').text( msg );
playerControl( );
invadersControl( );
updateExplosion( frameDelay );
});
//controlli
$('#restart').click( function(){
window.location.reload();
} );
var muted=false;
/////////////////////////////////////////////////////////////////
var shots = new Array;
var aliens = new Array;
var flag= false;
var max; //??
var tilew=90, tileh=126; //nuovi dimensioni tile
//var tilew=125, tileh=175; //vecchie dimensioni tile
var tilex=10, tiley=8; //10 x 8 original
var width1 = tilew * tilex; //width schermo
var height1 = tileh * tiley; //height schermo
var velocitaX = 8;
var kk = 0; //current frame of the machine
var rotating = false;
var lunghezzaFrusta = 2*tileh;
var invadera1 = new Image();
var invadera2 = new Image();
var invaderb1 = new Image();
var invaderb2 = new Image();
var invaderc1 = new Image();
var invaderc2 = new Image();
var gameover = new Image();
var vaiadormire = new Image();
var soffitto = new Image();
var cyclette = new Image();
var sinistro1 = new Image();
var sinistro2 = new Image();
var sinistro3 = new Image();
var sinistro4 = new Image();
var destro1 = new Image();
var destro2 = new Image();
var destro3 = new Image();
var destro4 = new Image();
var invader;
var jack_static_l = new Image();
var jack_static_r = new Image();
//fotogrammi cyclette
var jack_wl = new Array(4);
var jack_walkL = new Array(2);
var jack_walkR = new Array(2);
var jack_fireL = new Image();
var jack_fireR = new Image();
var latest = jack_static_l; //default init
var canvas = document.getElementById("canvas"),
ctx = canvas.getContext("2d"),
width = width1,
height = height1,
player = {
x : width/2,
y : height,
width : tilew,
height : tileh,
speed: 3,
velX: 0,
velY: 0,
jumping: false
},
keys = [],
friction = 0.8 / 2,
gravity = 0.2;
canvas.width = width;
canvas.height = height;
/////////////////////////////////////////////////////////////////
var k=0;
//invader size
var invaderW = 50;
var invaderH = 50;
//limits
var top_limit = invaderH;
var right_limit = width1 - 4*tilew - invaderW;
var bottom_limit = height1 - invaderH;
var left_limit = 2*tilew + invaderW;
//single invader
//var curr_x =Math.floor( (Math.random()*right_limit) + left_limit );
//var curr_y =height/10;
//multiple invaders
var curx;
var cury;
var invaders_type;
var quantiInvader;
var vel_x;
var flag = true;
function baloonDraw( msg ) {
return; //non funziona
var ctx = getCtx();
var stx=width1-tilew; //75
var sty=height1-tileh; //25
ctx.beginPath();
//horizontal 1
ctx.moveTo( 150, 150 );
ctx.lineTo( 170, 170 );
ctx.lineTo( 190, 150 );
ctx.lineTo( 210, 160 );
ctx.lineTo( 230, 150 );
ctx.lineTo( 250, 175 );
ctx.lineTo( 270, 150 );
ctx.lineTo( 290, 170 );
//vertical 1
ctx.moveTo( 270, 170 );
ctx.moveTo( 290, 150 );
//horizontal 2
ctx.moveTo( 150, 250 );
ctx.lineTo( 170, 270 );
ctx.lineTo( 190, 250 );
ctx.lineTo( 210, 260 );
ctx.lineTo( 230, 250 );
ctx.lineTo( 250, 275 );
ctx.lineTo( 270, 250 );
ctx.lineTo( 290, 270 );
ctx.fillText( msg, 200, 200);
ctx.stroke();
}
var boom = new Array();
var gameaudio;
var beep;
var beep2;
var youwon;
var bip1;
var bip2;
var bip3;
var bip4;
var bip5;
var semprePiuInvaders=2;
var limiteInvaders=5;
function preAllocateInvadersStartPos( number ){
var number = (semprePiuInvaders++) + Math.floor( Math.random()*4 );
if (number>=limiteInvaders)
number = limiteInvaders;
quantiInvader = number;
acc =0.1;
//coordinate e tipo invaders
curx = Array( quantiInvader );
cury = Array( quantiInvader );
invaders_type = Array( quantiInvader );
//doppio array di flag
stop = Array( quantiInvader );
vivo = Array( quantiInvader );
var random;
for ( var k=0; k<quantiInvader; k++ ){
stop[k] = false;
vivo[k] = true;
curx[k] = randomX2( k+1 );
//adjust x,y, evita di ammassarli
if (k>0){
//elementi adiacenti da distanziare
for ( var kk=0; kk<k; kk++ ){
for ( var gg=1; gg<kk; gg++ ){
if ( curx[kk-gg]- curx[kk] <= tilew ){
curx[kk]= curx[kk]+ tilew;
//normalize
curx[kk] = curx[kk]%(width1-2.3*tilew);
if ( curx[kk]< 2*tilew ) curx[kk]=2*tilew;
}
if ( cury[kk-gg]- cury[kk] <= tileh ){
cury[kk]= cury[kk]+ 0.15*tileh;
//normalize
cury[kk] = cury[kk]%(height1-2*tileh);
if ( cury[kk]< 2*tileh ) cury[kk]=2*tileh;
}
}
}
}
//normalize x
curx[k] = curx[k]%(width1-2*tilew);
if ( curx[k]< 2*tilew ) curx[k]=2*tilew;
//normalize y
cury[k] = tileh/2 + randomY();
cury[k] = cury[k]%(height1-tileh);
random = Math.floor( Math.random()*100 );
if ( random%k==0 )
invaders_type[k] = invadera1;
else if ( random%2*k==0 )
invaders_type[k] = invaderb1;
else
invaders_type[k] = invaderc1;
}
}
var soffitto_x = 0, soffitto_y=0;
var soffitto_width = width1, soffitto_height=tileh;
var sinistro_x = 0, sinistro_y=tileh;
var destro_x = width1-2*tilew, destro_y=tileh;
var colonna_width = 2*tilew, colonna_height=height1-tileh;
function disegnaFondale(){
var ctx = getCtx();
ctx.fillStyle = "black";
ctx.clearRect( soffitto_x, soffitto_y, width, height );
//soffritto
ctx.fillRect( soffitto_x, soffitto_y, soffitto_width, soffitto_height);
//colonna sx
ctx.fillRect( sinistro_x, sinistro_y, colonna_width, colonna_height);
//colonna dx
ctx.fillRect( destro_x, destro_y, colonna_width, colonna_height);
//fondo nero
ctx.fillRect( 0, 0, width1, height1);
ctx.drawImage( sinistro1, sinistro_x, sinistro_y );
ctx.drawImage( destro1, destro_x, destro_y );
ctx.drawImage( soffitto, soffitto_x, soffitto_y );
//disegna cyclette
//ctx.drawImage( cyclette, tilew-40, 6*tileh+0.60*tileh );
ctx.drawImage( cyclette, 0, 7*tileh );
}
var soundtrack;
var sinistrodef;
var destrodef;
(function() { //onloading
SC.initialize({
client_id: 'a6075ec4ef3368a42c0b597f4002f127'
});
//sound effects
boom.push( new Audio("lib/audiojs/boom1.wav") );
boom.push( new Audio("lib/audiojs/boom2.wav") );
boom.push( new Audio("lib/audiojs/boom3.wav") );
boom.push( new Audio("lib/audiojs/boom4.wav") );
gameaudio = new Audio("audio/game-over.wav");
youwon = new Audio("audio/pacman_intermission.wav");
bip4 = new Audio("audio/pacman_eatghost.wav");
//beep = new Audio("lib/audiojs/beep.wav");
//beep2 = new Audio("lib/audiojs/beep2.wav");
//bip1 = new Audio("audio/pacman_chomp.wav");
//bip2 = new Audio("audio/pacman_death.wav");
//bip3 = new Audio("audio/pacman_eatfruit.wav");
//bip5 = new Audio("audio/pacman_extrapac.wav");
//soundtrack = new Audio("audio/soundtrack.wav");
//volumi
// gameaudio.volume= 0.5;
// youwon.volume= 0.5;
bip4.volume= 0.5;
boom[0].volume = 0.5;
boom[1].volume = 0.5;
boom[2].volume = 0.5;
boom[3].volume = 0.5;
//bip1 = new Audio("audio/pacman_intermission.wav");
// soffitto
soffitto.src = 'sprites/soffitto.jpg';
// culonne
sinistro1.src = 'sprites/sinistro1.jpg';
sinistro2.src = 'sprites/sinistro2.jpg';
sinistro3.src = 'sprites/sinistro3.jpg';
sinistro4.src = 'sprites/sinistro4.jpg';
sinistrodef = sinistro1;
destrodef = destro1;
destro1.src = 'sprites/destro4.jpg';
//destro2.src = 'sprites/destro2.jpg';
//destro3.src = 'sprites/destro3.jpg';
//destro4.src = 'sprites/destro4.jpg';
//invader 1
invadera1.src = 'sprites/invader_a1.png';
invadera2.src = 'sprites/invader_a2.png';
//invader 2
invaderb1.src = 'sprites/invader_b1.png';
invaderb2.src = 'sprites/invader_b2.png';
//invader 3
invaderc1.src = 'sprites/invader_c1.png';
invaderc2.src = 'sprites/invader_c2.png';
jack_static_l.src = 'sprites/jack_static_l.png';
jack_static_r.src = 'sprites/jack_static_r.png';
jack_walkL[0] = new Image();
jack_walkL[0].src = 'sprites/jack_walkL1.png';
jack_walkR[0] = new Image();
jack_walkR[0].src = 'sprites/jack_walkR1.png';
jack_walkL[1] = new Image();
jack_walkL[1].src = 'sprites/jack_walkL2.png';
jack_walkR[1] = new Image();
jack_walkR[1].src = 'sprites/jack_walkR2.png';
jack_fireL.src = 'sprites/jack_fireL.png';
jack_fireR.src = 'sprites/jack_fireR.png';
cyclette.src= 'sprites/cyclette.png';
cyclette.style.width="125px";
cyclette.style.width="175px";
//game over
gameover.src = 'web/images/game_over.gif';
//vai a dormire
vaiadormire.src = 'sprites/vai_a_dormire.jpg';
for ( var j=0; j<=3; j++ )
{
// jack_wr[j] = new Image();
// jack_wr[j].src = 'sprites/jack_w'+j+'.png';
// jack_wr[j].style.width = ''+tilew+' px';
// jack_wr[j].style.height = ''+tileh+' px';
jack_wl[j] = new Image();
jack_wl[j].src = 'sprites/jackl_w'+(j+1)+'.png';
jack_wl[j].style.width = ''+2*tilew+' px';
jack_wl[j].style.height = ''+tileh+' px';
}
invader = invadera1;
preAllocateInvadersStartPos( 1 );
//var requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;
//window.requestAnimationFrame = requestAnimationFrame;
var requestAnimationFrame = window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function(callback) {
window.setTimeout(callback, 10);
};
window.requestAnimationFrame=requestAnimationFrame;
})();
//////////////////////////////////////////////////////////////////////
//HOTKEYS//
$(document).bind('keyup', 'z', function(event){
canMove =true; //sblocca jack
pressAgain=false; //reset
if (andavaDestra){
jack = jack_static_r;
latest = jack_static_r;
}
else{
jack = jack_static_l;
latest = jack_static_l;
}
});
var pressAgain=false; //init
$(document).bind('keydown', 'z', function(event){
// incremento barra
// verifica se il giocatore è nella posizione corretta
if (
// player.x == width - 2*tilew /* dx */
// ||
player.x == tilew && !pressAgain /* sx */ )
{
pressAgain=true; //costringe a ripremere il bottone
//incremento barra
var progressbar = $( "#progressbar" ),
progressLabel = $( ".progress-label" );
var val = progressbar.progressbar( "value" ) || 0;
var newvalue = 0;
var forza = 1;
if ( val<50 )
newvalue = ( val + forza );
else if ( val>=30 && val<45 )
newvalue = ( val + 0.15*forza );
else if ( val>=45 && val<65 )
newvalue = ( val + 0.35*forza );
else if ( val>=65 && val<85 )
newvalue = ( val + 0.60*forza );
else if ( val>=85 )
newvalue = ( val + 0.65*forza );
newvalue=Math.round(newvalue * 100) / 100;
progressbar.progressbar( "value", newvalue );
//animazione cyclette
rotating = true;
jack = jack_wl[ kk ];
switch(kk){
case 0: sinistro1=sinistrodef; break;
case 1: sinistro1=sinistro2; break;
case 1: sinistro1=sinistro3; break;
case 1: sinistro1=sinistro4; break;
}
kk = ( kk +1 ) %4;
var wherewhere;
if ( player.x == tilew )
wherewhere="sinistra";
$('#info').text( "file-frame "+wherewhere+" [ " + (kk+1) + " ] , width = "+width1+", height = "+height1 );
}
});
$(document).bind('keyup', '7', function(event){
if (paused) paused = false;
else paused =true;
var ctx = getCtx();
ctx.fillStyle = "black";
ctx.drawImage( vaiadormire, width1/6, height1/2 );
});
//$(document).bind('keyup', '7', function(event){
//});
/////////////EXPERIMENTAL FUNCTIONS////////////
function coofee_break( durata ){
for (var h=0; h<durata; h++) ;
}
/////////////RANDOMIC FUNCTIONS/////////////
var tmp;
function distributedX( seedx ){
var rand = Math.random()*tilew;
var dist_min = invaderW + rand;
var res1 = seedx - dist_min;
var res2 = seedx + dist_min;
while ( res1<left_limit )
{
rand = Math.random()*tilew;
dist_min = invaderW + rand;
res1 = seedx - dist_min;
}
return res1;
}
function randomX2( k ){
k = k%left_limit;
var s = Math.floor( (Math.random()*right_limit) + left_limit );
return s;
}
function randomX( ){
var s = Math.floor( (Math.random()*right_limit) + left_limit );
return s;
}
function randomY( ){
return Math.floor( (Math.random()*top_limit) + bottom_limit );
}
function midProb() {return randomX () %2 == 0 ;}
function threeProb() {return randomX () %3 == 0 ;}
function sevenProb() {return randomX () %7 == 0 ;}
function lowProb() {return randomX () %12 == 0 ;}
var turn=0;
function getRandomKind(){
if (turn==0)
return invadera1;
else if (turn==1)
return invaderb1;
else
return invaderc1;
turn=(turn+1)%3;
}
/////////////MAIN FUNCTIONS/////////////
var iii=0;
function getTrajectory() {
var angle = 0.1 * iii;
var x=(1+angle)*Math.cos(angle);
var y=(1+angle)*Math.sin(angle);
iii = (iii+1)%720;
return [x,y];
};
var acc = 7/100;
var delta = acc/100;
var theStep =0;
var bottom = false;
var velvel=2;
function respawn(){
if (tregua) return;
for ( var j=0; j<vivo.length; j++ )
if ( vivo[j] )
return;
//se arriva qui, non ci sono invaders attivi
//pausaCaffe();
setInterval(pausaCaffe(),1500);
//start(); //start countdown
var nuoviInvaders = 1 + Math.floor( Math.random()*5);
preAllocateInvadersStartPos( nuoviInvaders );
}
//countdown
var clock = 10;
var countdownId = 0;
var tregua= false;
function start() {
//Start clock
countdownId = setInterval("countdown()", 100);
}
function countdown(){
if(clock > 0){
tregua=true;
clock = clock - 1;
ctx.fillStyle = "white";
ctx.font = "bold 20px Arial";
ctx.fillText( " - "+clock+" ", width1/2, height1/2 );
}
else {
//Stop clock
clearInterval(countdownId);
clock = 10;
countdownId = 0;
tregua = false;
}
}
function pausaCaffe(){
//do nothing
}
var rip = 0;
var max = 1000;
var r= width1/4;
var theta = 45;
function moveDown( curr_x, curr_y ){
var res = new Array(2);
//accelerazione casuale
vel_x = (Math.random()*acc) ;
if ( acc >2 ){
//non farlo andare troppo veloce
acc =2; //velocita umana, final
}
if ( sevenProb )
acc = acc + delta;
else
acc = acc - 2*delta;
//riduci velocità
var factor = 0.003;
//if (generateNewY( ) % 13==0)
//scende diritto
res[0] = curr_x;
//else
//scende muovendosi
// res[0] = generateNewX( ) ;
res[1] = (curr_y + vel_x)%bottom_limit;
//limiti schermo, normalizza
//res[0] = res[0] % right_limit;
//res[0] = res[0] % left_limit;
//res[1] = res[1] % bottom_limit;
//res[1] = res[1] % top_limit;
//check danno
var soglia = height - tileh;
if ( res[1] >= soglia ){
var progressbar = $( "#progressbar" ),
progressLabel = $( ".progress-label" );
var val = progressbar.progressbar( "value" ) || 0;
var newvalue = ( val - forzavirus );
newvalue=Math.round(newvalue * 100) / 100;
progressbar.progressbar( "value", newvalue );
}
return res;
}
var radius = 12;
var stepstep= 1/10;
var canMove = true;
function fire( ctx, px, py ){
//mostra jack mentre spara...
//if ( latest==jack_static_r )
if ( andavaDestra )
{
latest = jack_fireR;
jack = jack_fireR;
}
else
{
latest = jack_fireL;
jack = jack_fireL;
}
//ctx.fillStyle="green";
//ctx.clearRect( player.x, player.y, tilew, tileh );
//ctx.drawImage( jack_fireL, player.x, player.y );
//... non può muoversi
canMove= false;
var tmptmp=5;
ctx.beginPath();
ctx.rect( px-8, tileh, 2, py );
ctx.rect( px+8, tileh, 2, py );
//ctx.fillStyle = '#04FB14';
//ctx.fill();
ctx.lineWidth = 3;
ctx.strokeStyle = '#04FB14';
ctx.stroke();
}
/*
function lanciaPalla( ctx, px ){
//init
step = 0.5*2;
//pallina
for ( var yy=tileh; yy<height1/step; yy+=step ){
ctx.clearRect( px, yy, 300,300 );
ctx.beginPath();
ctx.fillStyle="#CC0000";
ctx.arc( px, yy, 20,0,Math.PI*2,true);
ctx.closePath();
ctx.fill();
}
}*/
function explode( inv_x, inv_y, index, sprite ){
//explosion, punti e reset invader
//non posso sparare due volte allo stesso
if ( !vivo[ index ] ) return;
var colors = [
/**"#525252",
"#04FB14",
"#C0C0C0",
"#CCC000",
"#112233",
"#5E5E5E",
"#2A2A2A",
"#1B12B2"**/
"#00FE52",
"#FFFFFF",
"#00D04C"
]
var random = Math.floor(Math.random()*boom.length);
boom[random].play();
var t1 =Math.floor( Math.random()*colors.length );
var t2 =Math.floor( Math.random()*colors.length );
createExplosion(inv_x, inv_y, colors[t1]);
createExplosion(inv_x, inv_y, colors[t2]);
//punti
var newpoints = parseInt( $('#points').text() )+1;
$('#points').text( newpoints );
//distruggi invader
var ctx = getCtx();
//ctx.clearRect ( inv_x , inv_y , invaderW, invaderH );
vivo[ index ] = false; //morto
}
var animInvader=1;
var totalDuration=5000;
var duration=1000;
var current = "notset";
function animProb(){
var x = randomX();
return ( x<10 || x>100 );
}
var alternateBeep=false;
function invaderAnimate ( index ){
return;
// $("#info").text ("invader current = "+current.width);
if ( current == "notset" )
current = invader;
//gestione animazione
if (
vivo[index] && lowProb()
){
if (alternateBeep) {
//beep.play();
alternateBeep=false;
}
else{
//beep2.play();
alternateBeep=true;