背景：

  最近火爆全球的游戏flappy bird让笔者叹为观止，于是花了一天的时间山寨了一个一模一样的游戏，现在把游戏的思路和源码分享出来，代码是基于javascript语言，cocos2d-x游戏引擎，cocos2d-x editor手游开发工具完成的，请读者轻砸；

  ps：运行demo必须配置好cocos2d-x editor，暂不支持其他工具。还有demo是跨平台的，可移植运行android，ios，html5移动系统等；

Android Apk下载：（演示效果）

暂时只移植打包到android系统，可下载运行看看效果；

腾讯微云：http://share.weiyun.com/cac18d8c58d40bf2401b3fdeeb6bcb2f

代码下载：

代码集中营免费下载：  http://blog.makeapp.co/?p=306&preview=true

csdn下载：http://download.csdn.net/detail/touchsnow/6912707

百度云盘：http://pan.baidu.com/s/1pJnWDb9

金山快盘 ：http://www.kuaipan.cn/file/id_25348935635745384.htm?source=1

代码如何移植到各平台：

 Android：http://blog.csdn.net/touchsnow/article/details/19176091

 html5:       http://blog.makeapp.co/?p=245

效果图：

cocos2d-x editor开发工具：

   cocos2dx editor，它是开发跨平台的手机游戏工具，运行window/mac系统上，javascript脚本语言，基于cocos2d-x跨平台游戏引擎, 集合代码编辑，场景设计，动画制作，字体设计，还有粒子，物理系统，地图等等的，而且调试方便，和实时模拟；

cocos2dx editor 下载，介绍和教程：http://blog.csdn.net/touchsnow/article/details/19070665；

cocos2dx editor官方博客：http://blog.makeapp.co/；（请持续关注版本更新）

思路和源码：

  1 场景设计MainLayer.ccbx，如下图；主要分三层，开始场景、主场景、游戏结束场景，通过显示隐藏控制三个场景的切换。

 

   MainLayer.ccbx代码

<?xml version="1.0" encoding="UTF-8"?><DocumentjsControlled="true"jsController="MainLayer"resolution="default"><Resolutions><Resolution centeredOrigin="false" ext="iphone" height="1280" width="720" name="default" scale="1"/><Resolution centeredOrigin="false" ext="iphone" height="720" width="1280" name="default1" scale="1"/></Resolutions><Animations><Animation autoPlay="true"id="0"name="Default Timeline"length="10"chainedId="0"offset="0.0"position="0.0"resolution="30"scale="128"><CallbackChannel></CallbackChannel><SoundChannel></SoundChannel></Animation></Animations><LayerpositionX="0" positionY="0.0"sizeType="Percent"width="100" height="100"anchorPointX="0.5" anchorPointY="0.5" ignoreAnchorPoint="true"scaleX="1" scaleY="1"><Sprite positionType="LeftBottom" width="720.0" height="1280.0" positionX="0" positionY="0" anchorPointX="0"anchorPointY="0" src="Resources/bg.png" name="" var="" target="None" scaleX="1" scaleY="1" visible="true"/><LayerColor positionType="LeftBottom" width="720" height="1280" positionX="0" positionY="0" anchorPointX="0"anchorPointY="0" color="#fff2e8ff" visible="false"/><Menu positionType="LeftBottom" width="40" height="40" positionX="356.0" positionY="237.0" anchorPointX="0.5"anchorPointY="0.5" scaleX="2.4" scaleY="1.725"></Menu><Sprite positionType="LeftBottom" width="840.0" height="281.0" positionX="0" positionY="0" anchorPointX="0"anchorPointY="0" src="Resources/ground.png" var="ground" target="Doc"/><Node positionType="LeftBottom" width="40" height="40" positionX="800" positionY="250" anchorPointX="0"anchorPointY="0" var="hoseNode" target="Doc"><Sprite positionType="LeftBottom" width="86.0" height="60.0" positionX="-500" positionY="400" anchorPointX="0.5"anchorPointY="0.5" src="Resources/flappy_packer.plist/bird3.png" var="test" target="Doc" visible="false"/><Sprite positionType="LeftBottom" width="86.0" height="60.0" positionX="-550" positionY="500" anchorPointX="0.5"anchorPointY="0.5" src="Resources/flappy_packer.plist/bird1.png" var="bird" target="Doc" scaleX="1" scaleY="1" rotation="0" visible="true"/></Node><Node positionType="LeftBottom" width="40" height="40" positionX="303.0" positionY="500" anchorPointX="0.5"anchorPointY="0.5" var="readyNode" target="Doc" visible="true"><Sprite positionType="LeftBottom" width="508.0" height="158.0" positionX="95.0" positionY="584.0" anchorPointX="0.5"anchorPointY="0.5" src="Resources/flappy_packer.plist/getready.png"/><Sprite positionType="LeftBottom" width="286.0" height="246.0" positionX="73.0" positionY="236.0" anchorPointX="0.5"anchorPointY="0.5" src="Resources/flappy_packer.plist/click.png"/></Node><Node positionType="LeftBottom" width="40" height="40" positionX="300" positionY="500" anchorPointX="0.5"anchorPointY="0.5" var="overNode" target="Doc" visible="true"><Sprite positionType="LeftBottom" width="590.0" height="298.0" positionX="72.0" positionY="219.0" anchorPointX="0.5"anchorPointY="0.5" src="Resources/flappy_packer.plist/base.png"><Sprite positionType="LeftBottom" width="508.0" height="158.0" positionX="286.0" positionY="458.0" anchorPointX="0.5"anchorPointY="0.5" src="Resources/flappy_packer.plist/gameover.png"/></Sprite><Menu positionType="LeftBottom" width="40" height="40" positionX="0" positionY="0" anchorPointX="0.5"anchorPointY="0.5"><MenuItem positionType="LeftBottom" width="290" height="176" positionX="-65.0" positionY="-92.0" anchorPointX="0.5"anchorPointY="0.5" normalImage="Resources/flappy_packer.plist/start.png" target="Doc" onClick="onStartClicked"/><MenuItem positionType="LeftBottom" width="290" height="176" positionX="230.0" positionY="-92.0" anchorPointX="0.5"anchorPointY="0.5" target="Doc" normalImage="Resources/flappy_packer.plist/grade.png" onClick="onGradeClicked"/></Menu></Node></Layer></Document>

2 代码编写MainLayer.js

   首先，小鸟在向前飞，其实是底部的路和水管在向左移动，相对的你就感觉小鸟在向右飞了；路循环移动代码：

MainLayer.prototype.groundRun = function ()
{var action1 = cc.MoveTo.create(0.5, cc.p(-120, 0));var action2 = cc.MoveTo.create(0, cc.p(0, 0));var action = cc.Sequence.create(action1, action2);this.ground.runAction(cc.RepeatForever.create(action));
}

初始化高低不同的水管，每一关卡都由上下两水管和空隙组成。总长度相同，空隙也一定，随机取下面水管的长度，就形成错落有致的水管关卡；

MainLayer.prototype.newHose = function (num)
{var hoseHeight = 830;var acrossHeight = 300;var downHeight = 100 + getRandom(400);var upHeight = 1100 - downHeight - acrossHeight;var hoseX = 400 * num;var HoseName = FP_MAIN_TEXTURE.HOSE;var ccSpriteDown = cc.Sprite.createWithSpriteFrameName(HoseName[0]);ccSpriteDown.setZOrder(1);ccSpriteDown.setAnchorPoint(cc.p(0, 0));ccSpriteDown.setPosition(cc.p(hoseX, 0));ccSpriteDown.setScaleY(downHeight / hoseHeight);var ccSpriteUp = cc.Sprite.createWithSpriteFrameName(HoseName[1]);ccSpriteUp.setZOrder(1);ccSpriteUp.setAnchorPoint(cc.p(0, 0));ccSpriteUp.setPosition(cc.p(hoseX, downHeight + acrossHeight));ccSpriteUp.setScaleY(upHeight / hoseHeight);this.hoseNode.addChild(ccSpriteDown);this.hoseNode.addChild(ccSpriteUp);this.hoseSpriteList.push(ccSpriteDown);this.hoseSpriteList.push(ccSpriteUp);return null;
}

一开始进入游戏让底部路不断移动，初始化水管，显示准备游戏场景；

MainLayer.prototype.onEnter = function ()
{cc.AnimationCache.getInstance().addAnimations("Resources/flappy_frame.plist");this.groundRun();this.ground.setZOrder(10);this.birdReadyAction();this.bird.setZOrder(20);this.readyNode.setVisible(true);this.overNode.setVisible(false);for (var i = 0; i < 30; i++) {this.newHose(i);}
}

点击屏幕，小鸟向上飞60dp,然后更快的速度下落（移动动画），同时闪动翅膀（帧动画）；

MainLayer.prototype.birdRiseAction = function ()
{var riseHeight = 60;var birdX = this.bird.getPositionX();var birdY = this.bird.getPositionY();var time = birdY / 600;var actionFrame = cc.Animate.create(cc.AnimationCache.getInstance().getAnimation("fly"));var flyAction = cc.Repeat.create(actionFrame, 90000);var riseAction1 = cc.MoveTo.create(0.2, cc.p(birdX, birdY + riseHeight));var riseAction2 = cc.RotateTo.create(0, -30);var riseAction = cc.Spawn.create(riseAction1, riseAction2);var fallAction1 = cc.MoveTo.create(time, cc.p(birdX, 50));var fallAction2 = cc.Sequence.create(cc.DelayTime.create(time / 6), cc.RotateTo.create(0, 30));var fallAction = cc.Spawn.create(fallAction1, fallAction2);this.bird.stopAllActions();this.bird.runAction(cc.Spawn.create(cc.Sequence.create(riseAction, cc.DelayTime.create(0.1), fallAction),flyAction));
}

检测碰撞，如果小鸟碰到地面和水管，发生碰撞，这里碰撞直接用cocos2d-x 里面的图片和图片交叉函数 cc.rectIntersectsRect；

MainLayer.prototype.checkCollision = function ()
{if (this.bird.getPositionY() < 60) {cc.log("floor");this.birdFallAction();return;}for (var i = 0; i < this.hoseSpriteList.length; i++) {var hose = this.hoseSpriteList[i];if (!this.isInScreen(hose)) {// continue;}if (cc.rectIntersectsRect(hose.getBoundingBox(), this.bird.getBoundingBox())) {cc.log("hose positionX==" + hose.getBoundingBox().x);cc.log("this.bird positionX==" + this.bird.getBoundingBox().x);cc.log("i==" + i);cc.log("birdFallAction");this.birdFallAction();return;}}
}

碰撞后，小鸟先下落，游戏结束场景显示；

MainLayer.prototype.birdFallAction = function ()
{this.gameMode = OVER;this.bird.stopAllActions();this.ground.stopAllActions();var birdX = this.bird.getPositionX();var birdY = this.bird.getPositionY();var time = birdY / 2000;this.bird.runAction(cc.Sequence.create(cc.DelayTime.create(0.1),cc.Spawn.create(cc.RotateTo.create(time, 90), cc.MoveTo.create(time, cc.p(birdX, 50)))));this.overNode.setVisible(true);
}

游戏的难度主要在于多个水管的移动，小鸟触摸动画，检测碰撞，我把Mainlayer.js所有代码贴出来；

FP_MAIN_TEXTURE = {FRAME_ANIMS: "beanstalk/Resources/bs_main_anims.plist",HOSE: ["holdback1.png", "holdback2.png"]
}READY = 1;
START = 2;
OVER = 3;var MainLayer = function ()
{cc.log("MainLayer");this.bird = this.bird || {};this.ground = this.ground || {};this.hoseNode = this.hoseNode || {};this.readyNode = this.readyNode || {};this.overNode = this.overNode || {};this.passTime = 0;this.hoseSpriteList = [];this.isStart = false;this.gameMode = READY;
};MainLayer.prototype.onDidLoadFromCCB = function ()
{if (sys.platform == 'browser') {this.onEnter();}else {this.rootNode.onEnter = function (){this.controller.onEnter();};}this.rootNode.schedule(function (dt){this.controller.onUpdate(dt);});this.rootNode.onExit = function (){this.controller.onExit();};this.rootNode.onTouchesBegan = function (touches, event){this.controller.onTouchesBegan(touches, event);return true;};this.rootNode.onTouchesMoved = function (touches, event){this.controller.onTouchesMoved(touches, event);return true;};this.rootNode.onTouchesEnded = function (touches, event){this.controller.onTouchesEnded(touches, event);return true;};this.rootNode.setTouchEnabled(true);
};MainLayer.prototype.onEnter = function ()
{cc.AnimationCache.getInstance().addAnimations("Resources/flappy_frame.plist");this.groundRun();this.ground.setZOrder(10);this.birdReadyAction();this.bird.setZOrder(20);this.readyNode.setVisible(true);this.overNode.setVisible(false);for (var i = 0; i < 30; i++) {this.newHose(i);}
}MainLayer.prototype.newHose = function (num)
{var hoseHeight = 830;var acrossHeight = 300;var downHeight = 100 + getRandom(400);var upHeight = 1100 - downHeight - acrossHeight;var hoseX = 400 * num;var HoseName = FP_MAIN_TEXTURE.HOSE;var ccSpriteDown = cc.Sprite.createWithSpriteFrameName(HoseName[0]);ccSpriteDown.setZOrder(1);ccSpriteDown.setAnchorPoint(cc.p(0, 0));ccSpriteDown.setPosition(cc.p(hoseX, 0));ccSpriteDown.setScaleY(downHeight / hoseHeight);var ccSpriteUp = cc.Sprite.createWithSpriteFrameName(HoseName[1]);ccSpriteUp.setZOrder(1);ccSpriteUp.setAnchorPoint(cc.p(0, 0));ccSpriteUp.setPosition(cc.p(hoseX, downHeight + acrossHeight));ccSpriteUp.setScaleY(upHeight / hoseHeight);this.hoseNode.addChild(ccSpriteDown);this.hoseNode.addChild(ccSpriteUp);this.hoseSpriteList.push(ccSpriteDown);this.hoseSpriteList.push(ccSpriteUp);return null;
}MainLayer.prototype.groundRun = function ()
{var action1 = cc.MoveTo.create(0.5, cc.p(-120, 0));var action2 = cc.MoveTo.create(0, cc.p(0, 0));var action = cc.Sequence.create(action1, action2);this.ground.runAction(cc.RepeatForever.create(action));
}MainLayer.prototype.birdReadyAction = function ()
{var birdX = this.bird.getPositionX();var birdY = this.bird.getPositionY();var time = birdY / 2000;var actionFrame = cc.Animate.create(cc.AnimationCache.getInstance().getAnimation("fly"));var flyAction = cc.Repeat.create(actionFrame, 90000);this.bird.runAction(cc.Sequence.create(flyAction));
}MainLayer.prototype.birdFallAction = function ()
{this.gameMode = OVER;this.bird.stopAllActions();this.ground.stopAllActions();var birdX = this.bird.getPositionX();var birdY = this.bird.getPositionY();var time = birdY / 2000;this.bird.runAction(cc.Sequence.create(cc.DelayTime.create(0.1),cc.Spawn.create(cc.RotateTo.create(time, 90), cc.MoveTo.create(time, cc.p(birdX, 50)))));this.overNode.setVisible(true);
}MainLayer.prototype.birdRiseAction = function ()
{var riseHeight = 60;var birdX = this.bird.getPositionX();var birdY = this.bird.getPositionY();var time = birdY / 600;var actionFrame = cc.Animate.create(cc.AnimationCache.getInstance().getAnimation("fly"));var flyAction = cc.Repeat.create(actionFrame, 90000);var riseAction1 = cc.MoveTo.create(0.2, cc.p(birdX, birdY + riseHeight));var riseAction2 = cc.RotateTo.create(0, -30);var riseAction = cc.Spawn.create(riseAction1, riseAction2);var fallAction1 = cc.MoveTo.create(time, cc.p(birdX, 50));var fallAction2 = cc.Sequence.create(cc.DelayTime.create(time / 6), cc.RotateTo.create(0, 30));var fallAction = cc.Spawn.create(fallAction1, fallAction2);this.bird.stopAllActions();this.bird.runAction(cc.Spawn.create(cc.Sequence.create(riseAction, cc.DelayTime.create(0.1), fallAction),flyAction));
}MainLayer.prototype.onUpdate = function (dt)
{if (this.gameMode != START) {return;}this.passTime += dt;this.hoseNode.setPositionX(800 - 200 * this.passTime);this.bird.setPositionX(-500 + 200 * this.passTime);this.checkCollision();
}MainLayer.prototype.checkCollision = function ()
{if (this.bird.getPositionY() < 60) {cc.log("floor");this.birdFallAction();return;}for (var i = 0; i < this.hoseSpriteList.length; i++) {var hose = this.hoseSpriteList[i];if (!this.isInScreen(hose)) {// continue;}if (cc.rectIntersectsRect(hose.getBoundingBox(), this.bird.getBoundingBox())) {cc.log("hose positionX==" + hose.getBoundingBox().x);cc.log("this.bird positionX==" + this.bird.getBoundingBox().x);cc.log("i==" + i);cc.log("birdFallAction");this.birdFallAction();return;}}
}MainLayer.prototype.isInScreen = function (sprite)
{return (sprite.getPositionX() > 0 && sprite.getPositionX() < 720);
}MainLayer.prototype.onExitClicked = function ()
{
}MainLayer.prototype.onStartClicked = function ()
{cc.Director.getInstance().resume();cc.BuilderReader.runScene("", "MainLayer");
}MainLayer.prototype.onExit = function ()
{cc.log("onExit");
}MainLayer.prototype.onTouchesBegan = function (touches, event)
{var loc = touches[0].getLocation();
}MainLayer.prototype.onTouchesMoved = function (touches, event)
{
}MainLayer.prototype.onTouchesEnded = function (touches, event)
{if (this.gameMode == OVER) {return;}if (this.gameMode == READY) {this.gameMode = START;this.readyNode.setVisible(false);}var loc = touches[0].getLocation();this.birdRiseAction();}function isInRect(ccRect, ccTouchBeganPos)
{if (ccTouchBeganPos.x > ccRect.x && ccTouchBeganPos.x < (ccRect.x + ccRect.width)) {if (ccTouchBeganPos.y > ccRect.y && ccTouchBeganPos.y < (ccRect.y + ccRect.height)) {return true;}}return false;
}function getRandom(maxSize)
{return Math.floor(Math.random() * maxSize) % maxSize;
}

再次提示代码下载地址：

csdn下载：http://download.csdn.net/detail/touchsnow/6912707

百度云盘：http://pan.baidu.com/s/1pJnWDb9

金山快盘 ：http://www.kuaipan.cn/file/id_25348935635745384.htm?source=1

flappy博文系列：

flappy bird游戏源代码揭秘和下载

flappy bird游戏源代码揭秘和下载后续---移植到android真机上

flappy bird游戏源代码揭秘和下载后续---移植到html5网页浏览器

flappy bird游戏源代码揭秘和下载后续---日进5万美元的秘诀AdMob广告 

flappy bird游戏源代码揭秘和下载后续---移植到苹果ios上 （未写）

笔者语：

想了解更多请进入官方博客，最新博客和代码在官方博客首发；请持续关注，还有更多cocos2dx editor游戏源码即将放出；

联系笔者：zuowen@makeapp.co（邮箱）qq群：232361142

后言：

为了鼓励更多手游爱好者加入cocos2d-x editor阵营，也为了读者坚定对该工具的信心，笔者基于以上的flappy bird代码和新的图片资源，往google play和中国应用市场发布了一个相似的游戏----腾飞的小鸟（fly bird）。该游戏还加入了广告模块，可以获得些许的广告费。也希望读者通过cocos2d-x editor可以在市场上发布更多的好游戏；

google play地址：https://play.google.com/store/apps/details?id=com.makeapp.game.flybird （小秘密：如果应用.apk后缀改为.rar，你会获得意想不到的东西）

豌豆荚市场地址：http://www.wandoujia.com/apps/com.makeapp.game.flybird

机锋市场地址：    http://apk.gfan.com/Product/App741996.html

html5在线演示：http://www.makeapp.co/flybird/ （微软ie浏览器存在兼容性问题，请选择其他浏览器；公司内网，小卡，见谅）