function gameStatus():Boolean {//游戏状态判断函数;
if (xn>18 || xn<0 || yn>11 || yn<0 || placeArry[xn][yn] == 1) {
delete this.onEnterFrame;
overFun(2);
return true;
}
if(placeArry[xn][yn] == 2){
foodFun();//重新生成食物;
lenNum++;//蛇身加长一节;
score_txt.text = scoreNum += 10;//加10分;显示得分;
addscoreFun();//吃到食物时闪出小星星的函数;
}
}
function arrayFun() {//给数组赋值;即记录蛇所在的位置的函数;
placeArry[xn][yn] = 1;
this["mc"+firstNum].xn = xn;
this["mc"+firstNum].yn = yn;
var tmpX = this["mc"+lastNum].xn;
var tmpY = this["mc"+lastNum].yn;
placeArry[tmpX][tmpY] = 0;
}
function countFun(cycle:Number) {//算出蛇头、蛇尾的序号的函数;
firstNum = (firstNum+1+cycle)%cycle;
secondlyNum = (firstNum-1+cycle)%cycle;
lastNum = (firstNum-lenNum+cycle)%cycle;
}
function foodFun(){//随机生成食物的函数;
do{
var xm = random(19);
var ym = random(12);
}while(placeArry[xm][ym] == 1 || placeArry[xm][ym] == 2);
attachMovie("food_mc","food_mc",cycleNum+10,{_x:n*xm,_y:n*ym});
food_mc.gotoAndStop(random(4)+2);
placeArry[xm][ym] = 2;
}
function addscoreFun() {//吃到食物时闪出小星星的函数;
sound_mc.gotoAndStop(random(7)+2);//吃到食物后的随机音效;
for (var i = 0; i<30; i++) {
var xnum = n*xn+random(10)-5;
var ynum = n*yn+random(10)-5;
mc = attachMovie("xin_mc", "mc"+i, i+500, {_x:xnum, _y:ynum});
mc.onEnterFrame = function() {
this.nx = 0;
this.ny = 0;
if(!this.ax){
this.ax = random(60)-30;
this.ay = random(60)-30;
}
if(random(20)>8){
this.nx = random(4)-2;
this.ny = random(4)-2;
}
this.ax *= .75;
this.ay *= .75;
this._x += this.ax+this.nx;
this._y += this.ay+this.ny;
this._alpha -= 7;
if (this._alpha<=0) {
delete this.onEnterFrame;
}
};
}
}
function overFun(n:Number){ //游戏结束或开始的初始函数;
var mc=attachMovie("over_mc","over_mc",getNextHighestDepth());
mc.gotoAndStop(n);
mc.score_txt.text = score_txt.text;
localObjFun(mc)//加载并显示积分榜;
mc.cego_mc._visible = false;
mc.kong_mc.setMask(mc.mask_mc);
var kongY = mc.kong_mc._y;
var kongH = mc.kong_mc._height+10;
var maskH = mc.mask_mc._height;
mc.kong_mc.onEnterFrame = function(){//积分榜过长时让它滚动;
if(mc.mask_mc.hitTest(_root._xmouse,_root._ymouse,false)){
if(kongH > maskH){
if(mc.mask_mc._ymouse > maskH/2){
if(mc.kong_mc._y >maskH-kongH+kongY){
mc.kong_mc._y += (maskH/2-mc.mask_mc._ymouse)*.2;
}else{
mc.kong_mc._y = maskH-kongH+kongY;
}
}else{
if(mc.kong_mc._y < kongY){
mc.kong_mc._y -= (mc.mask_mc._ymouse-maskH/2)*.2;
}else{
mc.kong_mc._y = kongY;
}
}
}
}
}
mc.start_btn.onPress = function(){
this._parent.removeMovieClip();
gameFun();//游戏开始;
}
mc.save_btn.onPress = function(){
mc.cego_mc._visible = true;
saveFun(mc);//保存积分;
localObjFun(mc)//刷新积分榜;
this.enabled = false;
}
mc.again_btn.onPress = function(){
var aa=this._parent._parent;
for(var i in aa){
aa[i].removeMovieClip();
}
initializeFun()//重新初始化所有变量;
this._parent.removeMovieClip();
gameFun();//游戏开始;
}
}
function initializeFun(){//重新初始化所有变量;
lenNum = 4;//蛇身长度
xn=4;//初始化蛇出现的位置;
yn=6;//初始化蛇出现的位置;
firstNum = 0;//蛇头的序号;
secondlyNum = 0;//蛇身的序号;
lastNum = 0;//蛇尾的序号;
reatNum = 3;//蛇速度初始值;
scoreNum = 0;//记录玩家得分;
fangxang = "right";//存储方向的变量;
moveX = 1;//向右移动;
moveY = 0;//上下没有移动;
placeArry = new Array();//记录蛇的每个节点位置的数组;
for(var i=0;i<19;i++){ placeArry[i]=[];}//声明为二维数组;
}
function localObjFun(mc:MovieClip){//显示玩家的成绩;即显示积分榜;
var localObj:SharedObject = SharedObject.getLocal("snakeGame", "/");
if(localObj.data.snakeGame){
var len = localObj.data.snakeGame.length;
var soArray:Array = localObj.data.snakeGame;
soArray.sortOn("score",18);//按score的大小排序;
for(var i=0;i<len;i++){
var new_mc = mc.kong_mc.attachMovie("积分","jifen_mc"+i,i,{_y:i*16})
new_mc.rank_txt.text = i+1;
new_mc.content_txt.text = soArray[i].score+"分 -"+soArray[i].username;
}
}else{
localObj.data.snakeGame = [];
localObj.flush();
}
}
function saveFun(mc:MovieClip){//保存玩家的成绩
var localObj:SharedObject = SharedObject.getLocal("snakeGame", "/");
var saveN = mc.name_txt.text;
var saveS = Number(mc.score_txt.text);
var saveObj:Object = {username:saveN,score:saveS};
var saveArray:Array = localObj.data.snakeGame;
saveArray.push(saveObj);
localObj.data.snakeGame = saveArray;
localObj.flush();
}
function pauseFun():Boolean{
delete this.onEnterFrame;
return true;
}
var fangxang:String = "right";//存储方向的变量;
var moveX:Number = 1;//向右移动
var moveY:Number = 0;//上下没有移动;
var keyListener:Object = {};//响应鼠标的对象;
Key.addListener(keyListener);
keyListener.onKeyDown = function() {
keyName = Key.getCode();
if (keyName == Key.DOWN) {
if(moveY==0)fangxang = "down";
} else if (keyName == Key.LEFT) {
if(moveX==0)fangxang = "left";
} else if (keyName == Key.UP) {
if(moveY==0)fangxang = "up";
} else if (keyName == Key.RIGHT) {
if(moveX==0)fangxang = "right";
}
if(keyName == 32){
if(un=!un){
pauseFun();
}else{
gameFun();
}
}
};
function keyResponseFun() {
if (moveX == 0) {
(fangxang == "left") ? (moveX=-1, moveY=0) : (moveX);
(fangxang == "right") ? (moveX=1, moveY=0) : (moveX);
}
if (moveY == 0) {
(fangxang == "up") ? (moveY=-1, moveX=0) : (moveY);
(fangxang == "down") ? (moveY=1, moveX=0) : (moveY);
}
}
var n:Number = 25;//移动频辐25个象素;
var xn:Number = 4;//初始值，定位蛇初始x位置;
var yn:Number = 6;//初始值，定位蛇初始y位置;
var lenNum:Number = 4;//初始值，定义蛇最初的长度;
var cycleNum:Number = 12*19;//循环周期值;
var firstNum:Number = 0;//蛇头的序号;
var secondlyNum:Number = 0;//蛇身的序号;
var lastNum:Number = 0;//蛇尾的序号;
var reatNum:Number = 3;//蛇速度初始值;
var scoreNum:Number = 0;//记录玩家得分;
var placeArry:Array = new Array();//记录蛇的每个节点位置的数组;
for(var i=0;i<19;i++){ placeArry[i]=[];}//声明为二维数组;
//-----------------------------------------//
function gameFun(){
if(keyName != 32){
foodFun();//显示食物;
}
onEnterFrame = function(){
if(reatNum==0){
reatNum=4;//蛇速度
keyResponseFun();//键盘响应函数;
xn += moveX;//xn=xn%19;
yn += moveY;//yn=yn%12;
countFun(cycleNum);//算出蛇头蛇尾的序号;
if(gameStatus()){return;}//游戏状态判断;
this.attachMovie("a_mc","mc"+firstNum,firstNum,{_x:n*xn,_y:n*yn});
this["mc"+firstNum].gotoAndStop(fangxang);
arrayFun();//给数组赋值;即记录蛇所在的位置;
this["mc"+secondlyNum].gotoAndStop("body");
this["mc"+lastNum].removeMovieClip();
}
reatNum--;//
}
}
overFun(1);
Stage.scaleMode = "noscale";
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