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游戏主界面，同时也是主程序，包括sprite的生成加入以及游戏状态的控制。

下面同样贴下源码再讲解;

/*** Power by  html5中文网(html5china.com)* author: jackyWHJ*/
var STATE_PLAYING = 0;
var STATE_GAMEOVER = 1;var g_sharedGameLayer;var GameLayer = cc.Layer.extend({_time:0,_timeLabel:null,_timeString:"",screenRect:null,_state:STATE_PLAYING,_explosions:null,_texOpaqueBatch:null,_blocks:[],_heroFrameCache:null,init:function () {var bRet = false;if (this._super()) {cc.SpriteFrameCache.getInstance().addSpriteFrames(s_textureOpaquePack_plist);this._heroFrameCache = cc.SpriteFrameCache.getInstance();this._heroFrameCache.addSpriteFrames(s_textureNormalImage_plist);cc.SpriteFrameCache.getInstance().addSpriteFrames(s_textureLoveImage_plist);// reset global valuesLLK.map = [];//元素表,Block数组this._state = STATE_PLAYING;// OpaqueBatchvar texOpaque = cc.TextureCache.getInstance().addImage(s_textureOpaquePack);this._texOpaqueBatch = cc.SpriteBatchNode.createWithTexture(texOpaque);this._texOpaqueBatch.setBlendFunc(gl.SRC_ALPHA, gl.ONE);this.addChild(this._texOpaqueBatch);var winSize = cc.Director.getInstance().getWinSize();
//            this._wayManager = new WayManager(this);this.screenRect = cc.rect(0, 0, winSize.width, winSize.height + 10);// explosion batch node
            cc.SpriteFrameCache.getInstance().addSpriteFrames(s_explosion_plist);var explosionTexture = cc.TextureCache.getInstance().addImage(s_explosion);this._explosions = cc.SpriteBatchNode.createWithTexture(explosionTexture);this._explosions.setBlendFunc(gl.SRC_ALPHA, gl.ONE);this.addChild(this._explosions);Explosion.sharedExplosion();this.initBackground();this.initBlock();// accept touch now!this._timeLabel = cc.LabelTTF.create("00:00","Arial Bold",16);this._timeLabel.setPosition(180,520);this._timeLabel.setColor(cc.c3b(255,255,255));this.addChild(this._timeLabel,10);if( 'keyboard' in sys.capabilities )this.setKeyboardEnabled(true);if( 'mouse' in sys.capabilities )this.setMouseEnabled(true);if( 'touches' in sys.capabilities )this.setTouchEnabled(true);if (LLK.SOUND) {
//                cc.log(cc.AudioEngine.getInstance().isMusicPlaying());cc.AudioEngine.getInstance().playMusic(s_bgMusic_mp3,true);}// schedulethis.scheduleUpdate();this.schedule(this.scoreCounter, 1);bRet = true;g_sharedGameLayer = this;}return bRet;},initBlock:function(){var mapIndex = 0,i = 0,j = 0;var imgLen =  LLK.CONTAINER.NORMALIMAGES.length;if(LLK.MODE){imgLen =  LLK.CONTAINER.NORMALIMAGES.length;for ( i = 0; i < LLK.LEVEL.x*LLK.LEVEL.y; i+=2) {this._blocks[i] = this._blocks[i + 1] = LLK.CONTAINER.NORMALIMAGES[Math.floor(Math.random() * imgLen)];}}else{imgLen =  LLK.CONTAINER.MENGIMAGES.length;for ( i = 0; i < LLK.LEVEL.x*LLK.LEVEL.y; i+=2) {this._blocks[i] = this._blocks[i + 1] = LLK.CONTAINER.MENGIMAGES[Math.floor(Math.random() * imgLen)];}}var imgName = "";for ( j=0; j < LLK.LEVEL.y; j++) {for ( i=0; i < LLK.LEVEL.x; i++) {imgName = this.randomArray(this._blocks);var temp = new Block(imgName);temp.pointX = i;temp.pointY = j;temp.name = imgName;temp.id = mapIndex;LLK.map[temp.id] = temp;temp.setAnchorPoint(cc.p(0, 0));temp.setPosition(i*60, j*60+30);this.addChild(temp);mapIndex ++;}}LLK.COUNT = mapIndex;},randomArray:function (arr){var index = Math.floor(Math.random()*arr.length);return arr.splice(index,1)[0];},scoreCounter:function () {if( this._state == STATE_PLAYING ) {this._time++;var minute = 0 | (this._time / 60);var second = this._time % 60;minute = minute > 9 ? minute : "0" + minute;second = second > 9 ? second : "0" + second;this._timeString = minute + ":" + second;this._timeLabel.setString(this._timeString);
//            this._levelManager.loadLevelResource(this._time);
        }},initBackground:function () {// bgvar bgImage = s_b03;if(Math.random() > 0.5){bgImage = s_b04;}this._backSky = cc.Sprite.create(bgImage);this._backSky.setAnchorPoint(cc.p(0, 0));this._backSkyHeight = this._backSky.getContentSize().height;this.addChild(this._backSky, -10);},onGameOver:function () {this._state = STATE_GAMEOVER;var scene = cc.Scene.create();scene.addChild(GameOver.create());cc.Director.getInstance().replaceScene(cc.TransitionFade.create(1.2, scene));}
});GameLayer.create = function () {var sg = new GameLayer();if (sg && sg.init()) {return sg;}return null;
};GameLayer.scene = function () {var scene = cc.Scene.create();var layer = GameLayer.create();scene.addChild(layer, 1);return scene;
};GameLayer.prototype.addExplosions = function (explosion) {this._explosions.addChild(explosion);
};
GameLayer.prototype.addSpark = function (spark) {this._texOpaqueBatch.addChild(spark);
};

 

首先，我们同样是把该界面所需的纹理集添加进来

cc.SpriteFrameCache.getInstance().addSpriteFrames(s_textureOpaquePack_plist);
this._heroFrameCache = cc.SpriteFrameCache.getInstance();
this._heroFrameCache.addSpriteFrames(s_textureNormalImage_plist);
cc.SpriteFrameCache.getInstance().addSpriteFrames(s_textureLoveImage_plist);

　　这里因为我们这个游戏存在这2个模式，所以有2个纹理集，之后的程序中会根据当前选择的模式对应使用纹理集。

　　之后添加爆炸效果的纹理集，创建cc.SpriteBatchNode然后把它加入Layer。

 　　　　　　// explosion batch node
            cc.SpriteFrameCache.getInstance().addSpriteFrames(s_explosion_plist);var explosionTexture = cc.TextureCache.getInstance().addImage(s_explosion);this._explosions = cc.SpriteBatchNode.createWithTexture(explosionTexture);this._explosions.setBlendFunc(gl.SRC_ALPHA, gl.ONE);this.addChild(this._explosions);Explosion.sharedExplosion();

接下来便是初始化背景和Block，背景的我们在教程1有介绍这里就不再多说，说说initBlock方法吧

　　initBlock:function(){var mapIndex = 0,i = 0,j = 0;var imgLen =  LLK.CONTAINER.NORMALIMAGES.length;if(LLK.MODE){imgLen =  LLK.CONTAINER.NORMALIMAGES.length;for ( i = 0; i < LLK.LEVEL.x*LLK.LEVEL.y; i+=2) {this._blocks[i] = this._blocks[i + 1] = LLK.CONTAINER.NORMALIMAGES[Math.floor(Math.random() * imgLen)];}}else{imgLen =  LLK.CONTAINER.MENGIMAGES.length;for ( i = 0; i < LLK.LEVEL.x*LLK.LEVEL.y; i+=2) {this._blocks[i] = this._blocks[i + 1] = LLK.CONTAINER.MENGIMAGES[Math.floor(Math.random() * imgLen)];}}var imgName = "";for ( j=0; j < LLK.LEVEL.y; j++) {for ( i=0; i < LLK.LEVEL.x; i++) {imgName = this.randomArray(this._blocks);var temp = new Block(imgName);temp.pointX = i;temp.pointY = j;temp.id = mapIndex;LLK.map[temp.id] = temp;temp.setAnchorPoint(cc.p(0, 0));temp.setPosition(i*60, j*60+30);this.addChild(temp);mapIndex ++;}}LLK.COUNT = mapIndex;},

　　在该方法中，我们根据当前选择的模式随机生成this._blocks数组，记住这里的block是成对出现的。之后我们根据我们的界面的XY层数从我们的this._blocks数组中随机取出元素，取出的元素作为参数初始化Block然后把它添加到Layer中，在生成Block的时候我们要注意给Block的坐标pointX 、pointY赋值，并且使用我们的map数组缓存Block数组，供之后的Block移动查找移动位置的Block使用，最后，我们不要忘记给我们的Block计数附上值。

之后在构造方法里我们做了这样一件事，把时间显示label添加到Layer

this._timeLabel = cc.LabelTTF.create("00:00","Arial Bold",16);
this._timeLabel.setPosition(180,520);
this._timeLabel.setColor(cc.c3b(255,255,255));
this.addChild(this._timeLabel,10);

接下来就是我们的时间统计了this.schedule(this.scoreCounter, 1);这里每隔一秒调用一下scoreCounter方法，我们来看看这个方法

　　scoreCounter:function () {if( this._state == STATE_PLAYING ) {this._time++;var minute = 0 | (this._time / 60);var second = this._time % 60;minute = minute > 9 ? minute : "0" + minute;second = second > 9 ? second : "0" + second;this._timeString = minute + ":" + second;this._timeLabel.setString(this._timeString);
//            this._levelManager.loadLevelResource(this._time);
        }},

　　当游戏还在运行状态，时间计数每次加1然后转化成相应的时间显示形式之后修改时间显示label的内容。

之后，我们还有一个游戏结束的调用方法

　　onGameOver:function () {this._state = STATE_GAMEOVER;var scene = cc.Scene.create();scene.addChild(GameOver.create());cc.Director.getInstance().replaceScene(cc.TransitionFade.create(1.2, scene));}

它做的是修改游戏的状态并且切换游戏场景。

 

 

下面是几个主要功能的教程

 

用cocos2d-html5做的消除类游戏《英雄爱消除》——概述

 

用cocos2d-html5做的消除类游戏《英雄爱消除》(1)——系统主菜单

 

用cocos2d-html5做的消除类游戏《英雄爱消除》(2)——Block设计实现

 

用cocos2d-html5做的消除类游戏《英雄爱消除》(3)——游戏主界面

 

用cocos2d-html5做的消除类游戏《英雄爱消除》(4)——游戏结束

 

 

 

ps:概述中有完整的源码链接