Cocos2d-x 3.0-《微信飞机大战》实现

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本文介绍一款纵版射击游戏的实现,开发环境:

win7

vs2012

cocos2d-x3.0final

android adt

android ndk r9

首先看下最后的效果

(图1,微信飞机大战运行效果)

源码下载地址:http://download.csdn.net/detail/sdhjob/7513863

一、游戏资源准备

menu.png

首页菜单背景

about.png

关于界面

help.png

帮助界面

background3.png

游戏场景的

end.png
bullet.pngaaa.pngccc.png 子弹和敌机文件

爆炸效果

(被CSDN的博客加上水印,就这样了,大家还是下源码吧)

二、Cocos2d-x3.0项目创建和VS2012编译

2.1进入命令提示符输入:

cocos new -p com.xdl.game -d c:/users/administrator/desktop/game2014 -l cpp planegame

2.2 然后进入桌面/game2014/planegame/proj.win32

2.3使用vs2012打开

planegame.sln

2.4 按F5编译运行项目,将会出现HelloWorld的界面

2.5.把所有的资源拷贝到 桌面/game2014/planegame/Resources目录下(处理图片还有3个声音文件

三、场景跳转和主菜单实现

3.1.修改HelloWorldScene,在init方法添加3个菜单条目:

auto gameItem=MenuItemFont::create("StartGame",CC_CALLBACK_1(HelloWorld::menuCloseCallback,this));

auto helpItem=MenuItemFont::create("Help",this));

auto aboutItem=MenuItemFont::create("About",this));

gameItem->setPosition(Point(origin.x + visibleSize.width/2 - closeItem->getContentSize().width/2,200 ));

helpItem->setPosition(Point(origin.x + visibleSize.width/2 - closeItem->getContentSize().width/2,150 ));

aboutItem->setPosition(Point(origin.x + visibleSize.width/2 - closeItem->getContentSize().width/2,100 ));

gameItem->setColor(Color3B::BLACK);

helpItem->setColor(Color3B::BLACK);

aboutItem->setColor(Color3B::BLACK);

gameItem->setTag(11);

helpItem->setTag(12);

aboutItem->setTag(13);

3.2 修改菜单的回调方法MenuCallBack

void HelloWorld::menuCloseCallback(Ref* pSender)

{ MenuItem * nowItem=(MenuItem *)pSender;

SimpleAudioEngine::getInstance()->playEffect("select.wav"); //播放音乐

switch(nowItem->getTag())

{

case 10:

#if (CC_TARGET_PLATFORM == CC_PLATFORM_WP8) || (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)

MessageBox("You pressed the close button. Windows Store Apps do not implement a close button.","Alert");

return;

#endif

Director::getInstance()->end();

#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)

exit(0);

#endif

break;

case11://game

Director::getInstance()->replaceScene(GameScene::createScene());

break;

case12://help

Director::getInstance()->replaceScene( TransitionFlipY::create(1,HelpScene::createScene()));

break;

case13://about

Director::getInstance()->replaceScene( TransitionFlipY::create(1,AboutScene::createScene()));

break;

}

}

这样通过导演对象实现场景跳转

3.3 在帮助,关于场景实现跳转回来

需要在项目中添加3个.h文件和3个.cpp文件,保存到Classes目录下(注意目录,不要保存错了)

HelpScene.h

HelpScene.cpp

GameScene.h

GameScene.cpp

AboutScene.h

AboutScene.cpp

若想在帮助和关于场景跳转回来需要加入触摸消息处理,见HelpScene的init方法

bool HelpScene::init(){

if(!Layer::init())

{

return false;

}

auto spbk=Sprite::create("help.png");

spbk->setPosition(Point::ZERO);

spbk->setAnchorPoint(Point::ZERO);

this->addChild(spbk);

EventListenerTouchOneByOne * touch=EventListenerTouchOneByOne::create();

touch->onTouchBegan=[](Touch * touch,Event * event){

return true;

};

touch->onTouchMoved=[](Touch * touch,Event * event){

Director::getInstance()->replaceScene( HelloWorld::createScene());

};

_eventDispatcher->addEventListenerWithSceneGraPHPriority(touch,this);

return true;

}

四、游戏场景背景滚动

4.1首先在GameScene的init方法添加背景层,代码如下:

auto spbk=Sprite::create("background4.png");

spbk->setAnchorPoint(Point::ZERO);

spbk->setPosition(Point::ZERO);

this->addChild(spbk);

spbk->setTag(10);

auto spbk02=Sprite::create("background4.png");

spbk02->setAnchorPoint(Point::ZERO);

spbk02->setPosition(Point::ZERO);

spbk02->setPositionY(spbk->getPositionY()+680);

this->addChild(spbk02);

spbk02->setTag(11);

为什么要添加2遍呢?因为要实现循环的贴图效果

4.2 在init方法计划任务

this->schedule(schedule_selector(GameScene::moveBackground),0.01);

4.3 处理计划任务

void GameScene::moveBackground(float t)

{

auto spbk=this->getChildByTag(10);

auto spbk02=this->getChildByTag(11);

spbk->setPositionY(spbk->getPositionY()-1);

if(spbk->getPositionY()<-680)

{

spbk->setPositionY(0);

}

spbk02->setPositionY(spbk->getPositionY()+680);

}

这样就形成了循环贴图的效果,游戏游戏是横版的,还有将这种循环贴图通过多层实现场景纵深效果(近处图层移动快,远处移动慢)

当背景相对屏幕向下移动,飞机相对屏幕不懂,但飞机相对背景则向上飞行(好多游戏的主角其实一直在屏幕中间)

五、飞机动画和触摸控制

5.1 在init方法创建飞机动画

auto spPlane=Sprite::create();

spPlane->setTag(110);

spPlane->setPosition(Point(160,240));

this->addChild(spPlane);

Vector<SpriteFrame*> allframe;//保存动画的每一帧

for(int i=0;i<4;i++)

{

SpriteFrame * sf=SpriteFrame::create("player.png",Rect(i*47,0,47,56));

allframe.pushBack(sf);

}

Animation * ani=Animation::createWithSpriteFrames(allframe,0.1);

spPlane->runAction(RepeatForever::create(Animate::create(ani)));

5.2 通过触摸控制飞机移动

EventListenerTouchOneByOne * event=EventListenerTouchOneByOne::create();

event->setSwallowTouches(true);

event->onTouchBegan=CC_CALLBACK_2(GameScene::onTouchBegan,this);

event->onTouchMoved=CC_CALLBACK_2(GameScene::onTouchMoved,this);

event->onTouchEnded=CC_CALLBACK_2(GameScene::onTouchEnded,this);

_eventDispatcher->addEventListenerWithSceneGraPHPriority(event,this);

-------在GameScene中添加以下方法

bool GameScene::onTouchBegan(Touch *touch,Event *unused_event){

px=touch->getLocation().x;

py=touch->getLocation().y;

return true;

}

void GameScene::onTouchMoved(Touch *touch,Event *unused_event){

int mx=(touch->getLocation().x-px);

int my=(touch->getLocation().y-py);

auto spPlane=this->getChildByTag(110);

spPlane->runAction(MoveBy::create(0,Point(mx,my)));

px=touch->getLocation().x;

py=touch->getLocation().y;

}

void GameScene::onTouchEnded(Touch *touch,Event *unused_event){

}

这样就实现了在屏幕滑动改变飞机坐标。

六、子弹发射

6.1 在GameScene中添加成员Vector用来保存所有的子弹层

Vector<Sprite *> allBullet;

6.2 计划任务,定时产生子弹和移动子弹

this->schedule(schedule_selector(GameScene::newBullet),0.5);

this->schedule(schedule_selector(GameScene::moveBullet),0.01

6.3 实现产生子弹的方法和移动子弹的方法

void GameScene::newBullet(float t){

auto spPlane=this->getChildByTag(110);

Sprite * bullet=Sprite::create("bullet3.png");

bullet->setPosition(spPlane->getPosition());

this->addChild(bullet);

this->allBullet.pushBack(bullet);

}

void GameScene::moveBullet(float t){

for(int i=0;i<allBullet.size();i++)

{ auto nowbullet=allBullet.at(i);

nowbullet->setPositionY(nowbullet->getPositionY()+3);

if(nowbullet->getPositionY()>Director::getInstance()->getWinSize().height)

{

nowbullet->removeFromParent();

allBullet.eraSEObject(nowbullet);

i--;

}

}

}

七、敌机实现

敌机实现与子弹实现类似,只不过一个是向上飞,一个是向下飞。

7.1在GameScene中添加成员Vector用来保存所有的子弹层

Vector<Sprite *> allEnemy;

7.2 添加产生敌机的任务

this->schedule(schedule_selector(GameScene::newEnemy),0.5);

this->schedule(schedule_selector(GameScene::moveEnemy),0.01)

7.3 实现敌机任务方法,这里产生2种不同类型的敌机

void GameScene::newEnemy(float t){

Sprite * enemy=nullptr;

int num=rand()%10;//随机数0-9

if(num>=3)

{

enemy=Sprite::create("aaa.png");

enemy->setTag(1000);

}

else

{ enemy=Sprite::create("ccc.png");

enemy->setTag(2000);

}

enemy->setPosition(Point(rand()%300+10,500));

this->addChild(enemy);

this->allEnemy.pushBack(enemy);

}

void GameScene::moveEnemy(float t){

for(int i=0;i<allEnemy.size();i++)

{ auto nowenemy=allEnemy.at(i);

nowenemy->setPositionY(nowenemy->getPositionY()-3);

if(nowenemy->getPositionY()<0)

{

nowenemy->removeFromParent();

allEnemy.eraSEObject(nowenemy);

i--;

}

}

}

八、碰撞检测和加分

8.1 添加和引擎主线程fps一致的任务处理方法update

this->scheduleUpdate();

8.2 实现碰撞检测游戏逻辑

void GameScene::update(float t){

auto spPlane=this->getChildByTag(110);

Rect rp(spPlane->getPositionX(),spPlane->getPositionY(),47,56);

for(int i=0;i<allEnemy.size();i++)

{ auto nowenemy=allEnemy.at(i);

Rect er(nowenemy->getPositionX(),nowenemy->getPositionY(),40,50);

if(rp.intersectsRect(er))

{ //爆炸

newBomb(spPlane->getPositionX(),spPlane->getPositionY());

//移除敌机

nowenemy->removeFromParent();

allEnemy.eraSEObject(nowenemy);

i--;

//播放音乐

SimpleAudioEngine::getInstance()->playEffect("explo.wav");

//停止所有任务和动作

//Director::getInstance()->getActionManager()->pauseAllRunningActions();

this->pauseSchedulerAndActions();

auto spover=Sprite::create("end.png");

spover->setPosition(Point::ZERO);

spover->setAnchorPoint(Point::ZERO);

this->addChild(spover);

auto act=Sequence::create(

DelayTime::create(2),//等待2秒

CallFunc::create(this,callfunc_selector(GameScene::jumpToMenu)),//执行跳转方法

NULL

);

this->runAction(act);

}

//敌机和子弹碰撞检测

for(int j=0;j<allBullet.size();j++)

{ auto nowbullet=allBullet.at(j);

Rect br(nowbullet->getPositionX(),nowbullet->getPositionY(),20,20);

if(er.intersectsRect(br))

{//修改分数

Label * labscore=(Label*)this->getChildByTag(120);

score+=nowenemy->getTag();

//爆炸效果

newBomb(nowbullet->getPositionX(),nowbullet->getPositionY());

//粒子效果

auto ps=ParticleSystemQuad::create("bomb.plist");

ps->setPosition(Point(nowbullet->getPositionX(),nowbullet->getPositionY()));

this->addChild(ps);

labscore->setString(String::createWithFormat("score:%d",score)->_string);

//移除子弹层

nowbullet->removeFromParent();

allBullet.eraSEObject(nowbullet);

//移除敌机层

nowenemy->removeFromParent();

allEnemy.eraSEObject(nowenemy);

i--;

//音效

SimpleAudioEngine::getInstance()->playEffect("explo.wav");

break;

}

}

}

}


九、爆炸效果

当碰撞检测到,在飞机位置产生一个新的爆炸效果层,播放动画,动画播放完成自动删除自己。

void GameScene::newBomb(int x,int y)

{

Vector<SpriteFrame*> allframe;

for(int i=0;i<7;i++)

{

SpriteFrame * sf=SpriteFrame::create("boom.png",Rect(i*44,0,44,47));

allframe.pushBack(sf);

}

Animation * ani=Animation::createWithSpriteFrames(allframe,0.03);

auto sprite=Sprite::create();

Action * act=Sequence::create(

Animate::create(ani),//动画

CCCallFuncN::create(sprite,callfuncN_selector(GameScene::killMe)),//调用删除方法

NULL);

this->addChild(sprite);

sprite->setPosition(Point(x,y));

sprite->runAction(act);

}

void GameScene::killMe(Node * pSender)//自删除 pSender就是sprite这里是CallFunN,会传递节点过来

{

pSender->removeFromParentAndCleanup(true);

}

十、粒子特效和音乐播放

10.1 首先使用粒子编辑器编辑粒子文件bomb.plist(详见源码)

10.2 载入粒子层

autops=ParticleSystemQuad::create("bomb.plist");

ps->setPosition(Point(nowbullet->getPositionX(),nowbullet->getPositionY()));

this->addChild(ps);

(如果粒子层也需要自删除,可以参考爆炸效果

10.3 播放音乐和音效

首先要引入声音处理头文件和命名空间

#include "SimpleAudioEngine.h"

using namespace CocosDenshion;

然后就可以使用1条语句来播放音乐和音效了

SimpleAudioEngine::getInstance()->playBackgroundMusic("game.mp3",true); //播放背景音乐

SimpleAudioEngine::getInstance()->playEffect("explo.wav"); //播放音效

十一、判定死亡

在Update方法中,目前只加入了当敌机和飞机碰撞则死亡,实际游戏中可能有多有条件

如:敌机子弹和飞机碰撞、时间计数等,

voidGameScene::update(floatt){

autospPlane=this->getChildByTag(110);

Rect rp(spPlane->getPositionX(),56);

for(inti=0;i<allEnemy.size();i++)

{autonowenemy=allEnemy.at(i);

Rect er(nowenemy->getPositionX(),spPlane->getPositionY());

//移除敌机

nowenemy->removeFromParent();

allEnemy.eraSEObject(nowenemy);

i--;

//播放音乐

SimpleAudioEngine::getInstance()->playEffect("explo.wav");

//停止所有任务和动作

//Director::getInstance()->getActionManager()->pauseAllRunningActions();

this->pauseSchedulerAndActions();

autospover=Sprite::create("end.png");

spover->setPosition(Point::ZERO);

spover->setAnchorPoint(Point::ZERO);

this->addChild(spover);

autoact=Sequence::create(

DelayTime::create(2),//执行跳转方法

NULL

);

this->runAction(act);

}

。。。。。。
这里也使用了动作序列,先等待2秒,然后自动调用jumpToMenu方法跳转到主菜单

void GameScene::jumpToMenu()//ï◊™µΩ÷˜≤Àµ•

{

SimpleAudioEngine::getInstance()->stopBackgroundMusic();

Director::getInstance()->replaceScene(HelloWorld::createScene());

}

十二、移植到Android平台

12.1 eclipse导入项目

在VS2012中开发好项目之后,使用adt工具(ecplise)导入项目,import

桌面\game2014\plangame\proj.android

12.2 修改jni/android.mk文件

添加编译的文件

LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := cocos2dcpp_shared
LOCAL_MODULE_FILENAME := libcocos2dcpp
LOCAL_SRC_FILES := hellocpp/main.cpp \
../../Classes/AppDelegate.cpp \
../../Classes/GameScene.cpp \
../../Classes/HelpScene.cpp \
../../Classes/HelloWorldScene.cpp \
../../Classes/AboutScene.cpp

LOCAL_C_INCLUDES := $(LOCAL_PATH)/../../Classes

LOCAL_WHOLE_STATIC_LIBRARIES := cocos2dx_static
LOCAL_WHOLE_STATIC_LIBRARIES += cocosdenshion_static
LOCAL_WHOLE_STATIC_LIBRARIES += Box2d_static

include $(BUILD_SHARED_LIBRARY)

$(call import-module,2d)
$(call import-module,audio/android)
$(call import-module,Box2D)

12.3 进入cmd命令提示

进入项目目录

cd c:/Users/Administrator/Desktop/game2014/planegame

编译当前项目

cocos compile -p android

(等吧。。。最后会在c:/Users/Administrator/Desktop/game2014/planegame/proj.android/libs/armsabi/生成一个.so文件, 成功了!)

12.4 拷贝Cocos2d-x android库文件

到 c:/Users/Administrator/Desktop/game2014/planegame/cocos/2d/platform/android/java/src/ 拷贝org文件夹到

c:/Users/Administrator/Desktop/game2014/planegame/proj.android/src 目录

在adt中刷新项目(这时候项目的错误会消除)

12.5 打包项目

使用手机数据线连接电脑,开启调试模式

可以直接通过run,来把该项目安装到手机,

之后使用android打包向导打包生成apk。

原文链接:https://www.f2er.com/cocos2dx/344287.html

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