JavaScript Aircraft Wars-----008 Points

/*Create enemy Aircraft:*/functionEnemy (Blood,speed,imgs,scroe) {//enemy aircraft left     This. left = 0; //top of enemy aircraft     This. top = 0; //enemy's blood volume     This. Blood =Blood; //Enemy aircraft Speed     This. Speed =Speed ; //Enemy Pictures Collection     This. IMGs = IMGs;//before the explosion and after the explosion    //score   This.scroe = Scroe;} Enemy.prototype={constructor:enemy, init:function(){        //Create a single element        varimg = document.createelement (' img ')); //assign a picture path to itImg.src= This. imgs[0]; //inserting into the gameEngine.game.appendChild (IMG); //initial image assigned to enemy aircraft         This. Self =img; //Get the height and width of the picture when the picture is finished loading        var_this = This;//This point in the function will change, so we'll save it in advance.Img.onload =function() {_this.left= parseint (Math.random () * (320-img.offsetwidth)); _this.top= -Img.offsetheight; Img.style.left= _this.left+ ' px '; Img.style.top= _this.top+ ' px ';        }; //generate the enemy number and put it into the bullet of the engine.         This. ID =Math.random (); engine.enemy[ This. id]= This; },    //The bullets move, the timers are given to the engines .Movefunction(){         This. top+= This. Speed;  This. Self.style.top = This. top+ ' px '; //Cross Judgment        if( This. top>568+ This. Self.offsetwidth) {             This. Destroy (); }        //judging the collision with the hero machine        if(Engine.iscompact ( This. self,hero.self)) {            //Destroy Yourself             This. Destroy (); //Hero MachineHero.die (); }}, Bang:function(){        varimg = document.createelement (' img ')); IMG.SRC= This. imgs[1]; Img.style.left= This. left+ ' px '; Img.style.top= This. top+ ' px '; Engine.game.appendChild (IMG) setTimeout (function() {img.remove (); },1000)}, Destroy:function(){        //destroyed        //from page hours         This. Self.remove ();  This. Bang (); //Statistical score       Engine.updatescroe (This.scroe); //disappear from memory        Deleteengine.enemy[ This. Id]; }}

The score per aircraft

/*create all types of aircraft*/functionSmallenemy () {vars = parseint (Math.random () *3+3); Enemy.call ( This, 1,s,[' image/enemy1.png ', ' image/enemy1-bang.gif '],10)}smallenemy.prototype={constructor:smallenemy, __proto__: Enemy.prototype};functionMiddleenemy () {vars = parseint (Math.random () *3+2); Enemy.call ( This, 5,s,[' image/enemy2.png ', ' image/enemy2-bang.gif '],20)}middleenemy.prototype={constructor:middleenemy, __proto__:enemy.prototype}functionLargeenemy () {vars = parseint (Math.random () *2+1); Enemy.call ( This, 10,s,[' image/enemy3.png ', ' image/enemy3-bang.gif '],50)}largeenemy.prototype={constructor:largeenemy, __proto__:enemy.prototype}

Update Score

/*Game engine*/varEngine = {    //the first game stateGameStatus:false,    //so the enemy .enemy:{},//Bulletsbullet:{},//scorescroe:0,    //Background ImageGame:document.querySelector ('. Game ')),    //Page Score   TextScroe:document.querySelector ('. Score '),//InitializeInit:function(){         This. Gamestart (); },    //Game StartGamestart:function(){        var_this = This; //Click on the image to determine the status of the game         This. Game.onclick =function(){            if(!_this.gamestatus) {_this.gamestatus=true; //Mobile Mobile_this.bgmove ();                _this.handlemove ();            _this.createplane (); }        }    },    //Background MoveBgmove:function(){        varY=0; var_this = This;  This. Bgtimer = SetInterval (function() {y+=2; _this.game.style[' Background-position-y ']=y+ ' px '; },50)}, Createplane:function(){        //create enemy aircraft and hero machinesHero.init (); //Create enemy aircraft        varTimer = SetInterval (function(){            varnum = parseint (math.random () *15) +1; Switch(num) { Case1:                 Case3:                 Case5:                 Case7:                 Case9:                    NewSmallenemy (). Init ();  Break;  Case2:                 Case4:                 Case6:                    NewMiddleenemy (). Init ();  Case8:                 Case12:                    NewLargeenemy (). Init (); }        },500)    },    //all the enemy planes and bullets are moving .Handlemove:function(){        var_this= This; varTimer = SetInterval (function(){            //Create all Bullets             for(varIinch_this.bullet) {_this.bullet[i].move ()}//C Create all enemy maneuvers             for(varIinch_this.enemy) {_this.enemy[i].move ()}},30)    },    //Collision DetectionIscompact:function(obj1,obj2) {varL1 = obj1.offsetleft>obj2.offsetleft+Obj2.offsetwidth; varL2 = obj2.offsetleft>obj1.offsetleft+Obj1.offsetwidth; varT1 = obj1.offsettop>obj2.offsettop+Obj2.offsetheight; varT2 = obj2.offsettop>obj1.offsettop+Obj1.offsetheight; if(l1| | l2| | t1| |T2) {            return false; }Else{            return true; }    },    //Update Score   updatescroe:function (Scroe) {This.scroe+=scroe; This.textscroe.innerhtml= "Score" +this . Scroe; }}; Engine.init ();

JavaScript Aircraft wars-----008 points