codice:
Stage.align = "tl";//aligns flash top left
Stage.scaleMode = "Scale";//makes objects not stretch when page is resized
//define vars
var segmentNumber:Number = 0;
var segmentLength:Number = new Number;
var segmentDistance:Number = new Number;
var currentSegX:Number = new Number;
var currentSegY:Number = new Number;
var currentSegR:Number = new Number;
var turnIncriment:Number = new Number;
var speed:Number = new Number;
var addSegInc:Number = 7;
var yumNum:Number = 0;
var numberOfSegs:Number = new Number;
var score:Number = 0;
var scoreInc:Number = 10;
//get xml
var snakeGameXML:XML = new XML();
snakeGameXML.ignoreWhite = true;
snakeGameXML.onLoad = function(bSuccess:Boolean):Void {
if (bSuccess) {
//get the variables from the xml
segmentLength = Number(snakeGameXML.firstChild.attributes.segmentLength);
segmentDistance = Number(snakeGameXML.firstChild.attributes.segmentDistance);
startSegX = Number(snakeGameXML.firstChild.attributes.currentSegX);
startSegY = Number(snakeGameXML.firstChild.attributes.currentSegY);
startSegR = Number(snakeGameXML.firstChild.attributes.currentSegR);
turnIncriment = Number(snakeGameXML.firstChild.attributes.turnIncriment);
speed = Number(snakeGameXML.firstChild.attributes.speed);
gameHeight = Number(snakeGameXML.firstChild.attributes.gameHeight);
gameWidth = Number(snakeGameXML.firstChild.attributes.gameWidth);
timeBetweenElongate = Number(snakeGameXML.firstChild.attributes.timeBetweenElongate)* 1000;
}else{
trace("xml did not load, use defaults");
//these are the default vars for if you aren't using the xml.
segmentLength = 500;
segmentDistance = 7;
startSegX = 100;
startSegY = 30;
startSegR = 90;
turnIncriment = 5;
speed =3;
gameHeight = Stage.height;
gameWidth = Stage.width;
timeBetweenElongate = 1000;
};
createInterface();
attachStartScreen();
};
function createInterface(){
this.attachMovie("header", "header_mc", 43, {_x:gameWidth - 250, _y:5});//this is where the score is
this.createEmptyMovieClip("pointsScoredGroup_mc", 44);//this is where the +10 goes when you hit an apple
createRipple();
};
function createRipple(){
this.createEmptyMovieClip("ripples_mc", 55);//create mc for ripples
var rippleNum:Number = 0;
ripple = new Object();
ripple.interval = function() {
rippleNum++;
var randomX:Number = Math.round(Math.random()* (gameWidth - 40))+20;//random x and y for ripple
var randomY:Number = Math.round(Math.random()* (gameHeight - 40))+20;
var rippleScale:Number = Math.round(Math.random()* 80)+ 80;//random scale
ripples_mc.attachMovie("ripple", "ripple_mc", rippleNum, {_x:randomX, _y:randomY, _xscale:rippleScale, _yscale:rippleScale});//attach ripple
}
setInterval(ripple, "interval", 500 );//attach a ripple every 1/2 second
}
function updateScore(){
var scoreText:String = "SCORE: " + score;//score text
header_mc.score_txt.text = scoreText;
header_mc.scoreShadow_txt.text = scoreText;//write text in shadow
};
function updateScore_pette(){
var punteggio:Number = score;//score text
end_mc.punteggio.text = scoreText;
};
function attachStartScreen(){
//this is the start screen
this.createEmptyMovieClip("start_mc", 744);
start_mc._alpha = 0;
start_mc._x = (gameWidth - 350)/2;//define position
start_mc._y = (gameHeight - 350)/2;
start_mc.attachMovie("startScreen", "startScreen_mc", 2);
tweenAlpha("start_mc", 100, false);//tween fade in
start_mc.startScreen_mc.startButton_mc.onRelease = function(){//start button
score = 0;
updateScore();
startSnake(segmentLength);
attachYum();
tweenAlpha("start_mc", 0, true);//fade start button out
segmentInterval = setInterval(segments, "interval", timeBetweenElongate);//periodically make snake longer
};
};
function attachEndScreen(){
//this is the end screen
this.createEmptyMovieClip("end_mc", 744);
end_mc._x = (gameWidth - 350)/2;//define position
end_mc._y = (gameHeight - 350)/2;
end_mc.attachMovie("endScreen", "endScreen_mc", 2);
tweenAlpha("end_mc", 100, false);//tween fade in
updateScore_pette();
};
//start the snake
function startSnake(segToAdd:Number):Void{
//starting point for the snake
currentSegX = startSegX;
currentSegY = startSegY;
currentSegR = startSegR;
snake_mc.removeMovieClip();//kill the old snake
this.createEmptyMovieClip("snake_mc", 10);//make new snake
snake_mc._alpha = 0;//start invisible
tweenAlpha("snake_mc", 100, false);//fade snake in
yums_mc.removeMovieClip();//get rid of apples
this.createEmptyMovieClip("yums_mc", 409);//make new clip for apples
for(var i:Number = 1;i<segToAdd;i++){
segmentNumber++;
currentSegX += segmentDistance;//add segments
snake_mc.attachMovie("bodySeg", "seg"+segmentNumber+"_mc", segmentNumber, {_x:currentSegX, _y:currentSegY, _rotation:currentSegR});
};
snake_mc.attachMovie("head", "head_mc", 1, {_x:currentSegX, _y:currentSegY, _rotation:currentSegR});//attach snake head
numberOfSegs = segToAdd;
moveSnake();
};
//where to put the next segment
function segPosition():Array{
if(Key.isDown(Key.RIGHT)) { //when you click the right button change angle
currentSegR += turnIncriment;
}else if (Key.isDown(Key.LEFT)) { //when you click the left button change angle
currentSegR += -turnIncriment;
}
currentSegX += Math.sin( (Math.PI* currentSegR)/180 )* segmentDistance;//determine where next seg x and y go
currentSegY += -(Math.cos( (Math.PI* currentSegR)/180 )* segmentDistance);
segmentNumber++;
var positionsArray:Array = new Array;//create array for positions
//if the snake goes off the screen put the on the opposite side
if(currentSegX > gameWidth + 16){
currentSegX = -16;
}else if(currentSegX < -16){
currentSegX = gameWidth + 16;
};
if(currentSegY > gameHeight + 16){
currentSegY = -16;
}else if(currentSegY < -16){
currentSegY = gameHeight + 16;
};
positionsArray.push(currentSegX, currentSegY, currentSegR);//push positions to array
return positionsArray;
};
//check the hit areas
function checkHit(){
//check to see if the head hits the snake
for(var i:Number = segmentNumber - numberOfSegs;i<segmentNumber;i+=5){
if(eval("snake_mc.seg"+i+"_mc").hitTest(snake_mc.head_mc.hitArea_mc)){
delete snake_mc.onEnterFrame;//stop moving snake
clearInterval(segmentInterval);//stop adding segments
tweenAlpha("snake_mc", 0, true);//fade snake out
//
//mettere funzione per visualizzare lo score e la registrazione
//
attachEndScreen();
//
//
//
//
//
//
};
};
};
function checkYumHit():Void{
//see if the apples hit the snake head
if (eval("yums_mc.yum"+yumNum+"_mc").hitTest(snake_mc.head_mc.hitArea_mc)){
pointsScoredGroup_mc.attachMovie("pointsScored", "pointsScored"+yumNum+"_mc", yumNum, {_x:eval("yums_mc.yum"+yumNum+"_mc")._x, _y:eval("yums_mc.yum"+yumNum+"_mc")._y});
eval("pointsScoredGroup_mc.pointsScored"+yumNum+"_mc").score_txt.text = "+" + scoreInc;//change score text
tweenAlpha("pointsScoredGroup_mc.pointsScored"+yumNum+"_mc", 0, true);
eval("yums_mc.yum"+yumNum+"_mc").removeMovieClip();//remove apple
score += scoreInc;//add to score
updateScore();//update score
attachYum();
};
};
function attachYum():Void{
//attach an apple
yumNum++;
//random position of the apple
var randomX:Number = Math.round(Math.random()* (gameWidth - 40))+20;
var randomY:Number = Math.round(Math.random()* (gameHeight - 40))+20;
var randomR:Number = Math.round(Math.random()* 360);
//var randomY:Number =
yums_mc.attachMovie("yumYum", "yum"+yumNum+"_mc", yumNum, {_x:randomX, _y:randomY, _rotation:randomR, _alpha:0});
tweenAlpha("yums_mc.yum"+yumNum+"_mc", 100, false);//fade alpha in
};
//peridically make it longer
segments = new Object();
segments.interval = function() {
numberOfSegs += addSegInc;//add segments
}
//move the snake
function moveSnake():Void{
snake_mc.onEnterFrame = function(){
checkYumHit();//see if you are eating an apple
for(var i:Number = 0;i<speed;i++){
var positionsArray:Array = segPosition();//get positions of next seg
checkHit();//check to see if snake hits itself
snake_mc.head_mc._x = positionsArray[0];//move head
snake_mc.head_mc._y = positionsArray[1];//move head
snake_mc.head_mc._rotation = positionsArray[2];//move head
snake_mc.head_mc.swapDepths(segmentNumber + 100);//move head depth
snake_mc.attachMovie("wake", "wake"+segmentNumber+"_mc", segmentNumber + 99, {_x:positionsArray[0], _y:positionsArray[1], _rotation:positionsArray[2]});//attach wake
snake_mc.attachMovie("bodySeg", "seg"+segmentNumber+"_mc", segmentNumber, {_x:positionsArray[0], _y:positionsArray[1], _rotation:positionsArray[2]}); //attach body seg
var lastSegNum:Number = segmentNumber-numberOfSegs;//number of last segment
eval("snake_mc.seg"+lastSegNum+"_mc").removeMovieClip();//remove the last segment
//make the tail taper off and get skinny at neck
if(i == 1){
//make the first part skinny
var smallestWidth:Number = 30;//skinniest part of the neck
var numberToGrow:Number = Math.round(numberOfSegs/3)//grows from the first 1/4
if(numberToGrow > 30){
numberToGrow = 30;
};
for(var iii:Number = 0;iii<numberToGrow;iii++){
eval("snake_mc.seg"+(segmentNumber - iii)+"_mc")._xscale = iii* ((100-smallestWidth)/numberToGrow) + smallestWidth;
};
//how many taper off
var numberToTaper:Number = Math.round(numberOfSegs/2);//tapers the last 1/2
if(numberToTaper > 45){
numberToTaper = 45;
};
for(var ii:Number = 0;ii<numberToTaper;ii++){
eval("snake_mc.seg"+(lastSegNum + ii)+"_mc")._xscale = ii* (100/numberToTaper);
};
};
};
};
};
//tween fade
easeType = mx.transitions.easing.Strong.easeOut;
var tweenTime = .5;
tweenAlpha = function(tweenClipAlpha:String, tweenEndAlpha:Number, thenRemove:Boolean){
//fade in and out function
tweenClipAlpha = eval(tweenClipAlpha);
alphaTween = new mx.transitions.Tween(tweenClipAlpha, "_alpha", easeType, getProperty(tweenClipAlpha, _alpha), tweenEndAlpha, 1, true);
if(thenRemove == true){//if true remove the clip when faded in or out
alphaTween.onMotionFinished = function(){
eval(tweenClipAlpha).removeMovieClip();
};
};
};
snakeGameXML.load("snakeGame.xml");//loads xml
Ho aggiunto un pulsante sul clip filmato caricato alla fine con il codice classico
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