//获得主界面

var mainDiv=document.getElementById("maindiv");

//获得开始界面

var startdiv=document.getElementById("startdiv");

//获得游戏中分数显示界面

var scorediv=document.getElementById("scorediv");

//获得分数界面

var scorelabel=document.getElementById("label");

//获得暂停界面

var suspenddiv=document.getElementById("suspenddiv");

//获得游戏结束界面

var enddiv=document.getElementById("enddiv");

//获得游戏结束后分数统计界面

var planscore=document.getElementById("planscore");

//初始化分数

var scores=0;



/*

 创建飞机类

 */

function plan(hp,X,Y,sizeX,sizeY,score,dietime,sudu,boomimage,imagesrc){

    this.planX=X;

    this.planY=Y;

    this.imagenode=null;

    this.planhp=hp;

    this.planscore=score;

    this.plansizeX=sizeX;

    this.plansizeY=sizeY;

    this.planboomimage=boomimage;

    this.planisdie=false;

    this.plandietimes=0;

    this.plandietime=dietime;

    this.plansudu=sudu;

//行为

/*

移动行为

     */

    this.planmove=function(){

        if(scores<=50000){

            this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+"px";

        }

        else if(scores>50000&&scores<=100000){

            this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+1+"px";

        }

        else if(scores>100000&&scores<=150000){

            this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+2+"px";

        }

        else if(scores>150000&&scores<=200000){

            this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+3+"px";

        }

        else if(scores>200000&&scores<=300000){

            this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+4+"px";

        }

        else{

            this.imagenode.style.top=this.imagenode.offsetTop+this.plansudu+5+"px";

        }

    }

    this.init=function(){

        this.imagenode=document.createElement("img");

        this.imagenode.style.left=this.planX+"px";

        this.imagenode.style.top=this.planY+"px";

        this.imagenode.src=imagesrc;

        mainDiv.appendChild(this.imagenode);

    }

    this.init();

}



/*

创建子弹类

 */

function bullet(X,Y,sizeX,sizeY,imagesrc){

    this.bulletX=X;

    this.bulletY=Y;

    this.bulletimage=null;

    this.bulletattach=1;

    this.bulletsizeX=sizeX;

    this.bulletsizeY=sizeY;

//行为

/*

 移动行为

 */

    this.bulletmove=function(){

        this.bulletimage.style.top=this.bulletimage.offsetTop-20+"px";

    }

    this.init=function(){

        this.bulletimage=document.createElement("img");

        this.bulletimage.style.left= this.bulletX+"px";

        this.bulletimage.style.top= this.bulletY+"px";

        this.bulletimage.src=imagesrc;

        mainDiv.appendChild(this.bulletimage);

    }

    this.init();

}



/*

 创建单行子弹类

 */

function oddbullet(X,Y){

    bullet.call(this,X,Y,6,14,"./image/bullet1.png");

}



/*

创建敌机类

 */

function enemy(hp,a,b,sizeX,sizeY,score,dietime,sudu,boomimage,imagesrc){

    plan.call(this,hp,random(a,b),-100,sizeX,sizeY,score,dietime,sudu,boomimage,imagesrc);

}

//产生min到max之间的随机数

function random(min,max){

    return Math.floor(min+Math.random()*(max-min));

}



/*

创建本方飞机类

 */

function ourplan(X,Y){

    var imagesrc="./image/my_plane.png";

    plan.call(this,1,X,Y,80,67,0,660,0,"./image/plane_boom.gif",imagesrc);

    this.imagenode.setAttribute('id','ourplan');

}



/*

 创建本方飞机

 */

var selfplan=new ourplan(120,385);

//移动事件

var ourPlan=document.getElementById('ourplan');

var yidong=function(){

    var oevent=window.event||arguments[0];

    oevent.preventDefault();

    var chufa=oevent.srcElement||oevent.target;

    var touch = event.targetTouches[0];

    var selfplanX=touch.clientX - 60;

    var selfplanY=touch.clientY - 60;

    ourPlan.style.left=selfplanX+"px";

    ourPlan.style.top=selfplanY+"px";

    //document.getElementsByTagName('img')[0].style.left=selfplanX-selfplan.plansizeX/2+"px";

    //document.getElementsByTagName('img')[0]..style.top=selfplanY-selfplan.plansizeY/2+"px";

}

/*

暂停事件

 */

var number=0;

var zanting=function(){

    if(number==0){

        suspenddiv.style.display="block";

        if(document.removeEventListener){

            mainDiv.removeEventListener("touchmove",yidong,true);

            bodyobj.removeEventListener("touchmove",bianjie,true);

        }

        else if(document.detachEvent){

            mainDiv.detachEvent("touchmove",yidong);

            bodyobj.detachEvent("touchmove",bianjie);

        }

        clearInterval(set);

        number=1;

    }

    else{

        suspenddiv.style.display="none";

        if(document.addEventListener){

            mainDiv.addEventListener("touchmove",yidong,true);

            bodyobj.addEventListener("touchmove",bianjie,true);

        }

        else if(document.attachEvent){

            mainDiv.attachEvent("touchmove",yidong);

            bodyobj.attachEvent("touchmove",bianjie);

        }

        set=setInterval(start,20);

        number=0;

    }

}

//判断本方飞机是否移出边界,如果移出边界,则取消touchmove事件,反之加上touchmove事件

var bianjie=function(){

    /*var oevent=window.event||arguments[0];

    var bodyobjX=oevent.clientX;

    var bodyobjY=oevent.clientY;

    if(bodyobjX<505||bodyobjX>815||bodyobjY<0||bodyobjY>568){

        if(document.removeEventListener){

            mainDiv.removeEventListener("touchmove",yidong,true);

        }

        else if(document.detachEvent){

            mainDiv.detachEvent("touchmove",yidong);

        }

    }

    else{

        if(document.addEventListener){

            mainDiv.addEventListener("touchmove",yidong,true);

        }

        else if(document.attachEvent){

            mainDiv.attachEvent("touchmove",yidong);

        }

    }*/

}

//暂停界面重新开始事件

//function chongxinkaishi(){

//    location.reload(true);

//    startdiv.style.display="none";

//    maindiv.style.display="block";

//}

var bodyobj=document.getElementsByTagName("body")[0];

if(document.addEventListener){

    //为本方飞机添加移动和暂停

    mainDiv.addEventListener("touchmove",yidong,true);

    //为本方飞机添加暂停事件

    selfplan.imagenode.addEventListener("click",zanting,true);

    //为body添加判断本方飞机移出边界事件

    bodyobj.addEventListener("touchmove",bianjie,true);

    //为暂停界面的继续按钮添加暂停事件

    suspenddiv.getElementsByTagName("button")[0].addEventListener("click",zanting,true);

//    suspenddiv.getElementsByTagName("button")[1].addEventListener("click",chongxinkaishi,true);

    //为暂停界面的返回主页按钮添加事件

    suspenddiv.getElementsByTagName("button")[1].addEventListener("click",jixu,true);

}

else if(document.attachEvent){

    //为本方飞机添加移动

    mainDiv.attachEvent("touchmove",yidong);

    //为本方飞机添加暂停事件

    selfplan.imagenode.attachEvent("onclick",zanting);

    //为body添加判断本方飞机移出边界事件

    bodyobj.attachEvent("touchmove",bianjie);

    //为暂停界面的继续按钮添加暂停事件

    suspenddiv.getElementsByTagName("button")[0].attachEvent("onclick",zanting);

//    suspenddiv.getElementsByTagName("button")[1].attachEvent("click",chongxinkaishi,true);

    //为暂停界面的返回主页按钮添加事件

    suspenddiv.getElementsByTagName("button")[2].attachEvent("click",jixu,true);

}

//初始化隐藏本方飞机

selfplan.imagenode.style.display="none";



/*

敌机对象数组

 */

var enemys=[];



/*

子弹对象数组

 */

var bullets=[];

var mark=0;

var mark1=0;

var backgroundPositionY=0;

/*

开始函数

 */

function start(){

    mainDiv.style.backgroundPositionY=backgroundPositionY+"px";

    backgroundPositionY+=0.5;

    if(backgroundPositionY==568){

        backgroundPositionY=0;

    }

    mark++;

    /*

    创建敌方飞机

     */



    if(mark==20){

        mark1++;

        //中飞机

        if(mark1%5==0){

            enemys.push(new enemy(6,25,274,75,49,5000,360,random(1,3),"./image/md_boom.gif","./image/enemy3_fly_1.png"));

        }

        //大飞机

        if(mark1==20){

            enemys.push(new enemy(12,57,210,110,163,30000,540,1,"./image/big_boom.gif","./image/enemy2_fly_1.png"));

            mark1=0;

        }

        //小飞机

        else{

            enemys.push(new enemy(1,19,286,38,24,1000,360,random(1,4),"./image/small_boom.gif","./image/enemy1_fly_1.png"));

        }

        mark=0;

    }



/*

移动敌方飞机

 */

    var enemyslen=enemys.length;

    for(var i=0;i<enemyslen;i++){

        if(enemys[i].planisdie!=true){

            enemys[i].planmove();

        }

/*

 如果敌机超出边界,删除敌机

 */

        if(enemys[i].imagenode.offsetTop>568){

            mainDiv.removeChild(enemys[i].imagenode);

            enemys.splice(i,1);

            enemyslen--;

        }

        //当敌机死亡标记为true时，经过一段时间后清除敌机

        if(enemys[i].planisdie==true){

            enemys[i].plandietimes+=20;

            if(enemys[i].plandietimes==enemys[i].plandietime){

                mainDiv.removeChild(enemys[i].imagenode);

                enemys.splice(i,1);

                enemyslen--;

            }

        }

    }



/*

创建子弹

*/

    if(mark%5==0){

            bullets.push(new oddbullet(parseInt(selfplan.imagenode.style.left)+33,parseInt(selfplan.imagenode.style.top)-10));

    }



/*

移动子弹

*/

    var bulletslen=bullets.length;

    for(var i=0;i<bulletslen;i++){

        bullets[i].bulletmove();

/*

如果子弹超出边界,删除子弹

*/

        if(bullets[i].bulletimage.offsetTop<0){

            mainDiv.removeChild(bullets[i].bulletimage);

            bullets.splice(i,1);

            bulletslen--;

        }

    }



/*

碰撞判断

*/

    for(var k=0;k<bulletslen;k++){

        for(var j=0;j<enemyslen;j++){

            //判断碰撞本方飞机

            if(enemys[j].planisdie==false){

                if(enemys[j].imagenode.offsetLeft+enemys[j].plansizeX>=selfplan.imagenode.offsetLeft&&enemys[j].imagenode.offsetLeft<=selfplan.imagenode.offsetLeft+selfplan.plansizeX){

                  if(enemys[j].imagenode.offsetTop+enemys[j].plansizeY>=selfplan.imagenode.offsetTop+40&&enemys[j].imagenode.offsetTop<=selfplan.imagenode.offsetTop-20+selfplan.plansizeY){

                      //碰撞本方飞机，游戏结束，统计分数

                      var audio = document.getElementById('bg_music');

                      audio.pause();

                      selfplan.imagenode.src="./image/plane_boom.gif";

                      enddiv.style.display="inline-block";

                      planscore.innerHTML=scores;

                      if(scores > 100000) {

                          $(".dh_btn").show();

                      };

                      if(document.removeEventListener){

                          mainDiv.removeEventListener("touchmove",yidong,true);

                          bodyobj.removeEventListener("touchmove",bianjie,true);

                      }

                      else if(document.detachEvent){

                          mainDiv.detachEvent("touchmove",yidong);

                          bodyobj.removeEventListener("touchmove",bianjie,true);

                      };

                      clearInterval(set);

                  }

                }

                //判断子弹与敌机碰撞

                if((bullets[k].bulletimage.offsetLeft+bullets[k].bulletsizeX>enemys[j].imagenode.offsetLeft)&&(bullets[k].bulletimage.offsetLeft<enemys[j].imagenode.offsetLeft+enemys[j].plansizeX)){

                    if(bullets[k].bulletimage.offsetTop<=enemys[j].imagenode.offsetTop+enemys[j].plansizeY&&bullets[k].bulletimage.offsetTop+bullets[k].bulletsizeY>=enemys[j].imagenode.offsetTop){

                        //敌机血量减子弹攻击力

                        enemys[j].planhp=enemys[j].planhp-bullets[k].bulletattach;

                        //敌机血量为0，敌机图片换为爆炸图片，死亡标记为true，计分

                        if(enemys[j].planhp==0){

                            scores=scores+enemys[j].planscore;

                            scorelabel.innerHTML=scores;

                            enemys[j].imagenode.src=enemys[j].planboomimage;

                            enemys[j].planisdie=true;

                        }

                        //删除子弹

                        mainDiv.removeChild(bullets[k].bulletimage);

                            bullets.splice(k,1);

                            bulletslen--;

                            break;

                    }

                }

            }

        }

    }

}

/*

开始游戏按钮点击事件

 */

var set;

function begin(){



    startdiv.style.display="none";

    mainDiv.style.display="block";

    selfplan.imagenode.style.display="block";

    scorediv.style.display="block";

    /*

     调用开始函数

     */

    set=setInterval(start,20);

}

//游戏结束后点击继续按钮事件

function jixu(){

    location.reload(true);

}



/*

    完成界面的初始化

    敌方小飞机一个

    我方飞机一个

 */


 $(function(){

    $("#startdiv, #maindiv, .mask, .mooncake_wp").width($(window).width()).height($(window).height());

 });