【cocos2d-x IOS游戏开发-捕鱼达人13】完善鱼群效果

尊重开发者的劳动成果，转载的时候请务必注明出处：http://blog.csdn.net/haomengzhu/article/details/17150301

上节回顾

【cocos2d-x IOS游戏开发-捕鱼达人12】鱼群效果

1、  鱼群相关问题解决和完善

需要处理的问题
何时出现鱼群
鱼群出来时，其它鱼如何散场
鱼群走后，其它鱼如何回到场景

看具体的实现：

#include "GameLogic.h"#include "../config/FishGroup.h"namespace fishingjoy{namespace logic{CGameObject* CGameLogic::createGameObject(){int idx = CCRANDOM_0_1()*m_vecPercentPool.size();idx = m_vecPercentPool[idx];const std::vector<config::SFishData>& rFishs = config::CFishConfig::getFishData();const config::SFishData& rData = rFishs[idx];scene::ISceneObject* pS = m_pGameScene->createObject(rData.AniID);CGameObject* pObj = new CGameObject(pS,&rData);int maxw = config::CGameConfig::getExtendSize()+480;int maxh = config::CGameConfig::getExtendSize()+320;pObj->setDuration(360*CCRANDOM_0_1());pObj->setPosition(CCRANDOM_0_1()*maxw,CCRANDOM_0_1()*maxh);pObj->randomTarget();m_vecObjectsList.push_back(pObj);return pObj;}CGameObject* CGameLogic::createGameObject( int fid,int x,int y,int speed,int tx,int ty){const std::vector<config::SFishData>& rFishs = config::CFishConfig::getFishData();const config::SFishData* pData = NULL;for(int i = 0; i < rFishs.size(); ++i){if(rFishs[i].FID == fid){pData = &rFishs[i];}}if(pData==NULL)return NULL;scene::ISceneObject* pS = m_pGameScene->createObject(pData->AniID);CGameObject* pObj = new CGameObject(pS,pData);int maxw = config::CGameConfig::getExtendSize()+480;int maxh = config::CGameConfig::getExtendSize()+320;pObj->setPosition(x,y);pObj->moveToAndDestroy(tx,ty);m_vecObjectsList.push_back(pObj);return pObj;}void CGameLogic::destroyGameObject( CGameObject* pObj ){if(pObj){std::vector<CGameObject*>::iterator it= m_vecObjectsList.begin();for(;it!=m_vecObjectsList.end();++it){if(*it == pObj){m_vecObjectsList.erase(it);delete (pObj);return;}}}}bool CGameLogic::init( CCScene* pScene ){const std::vector<config::SFishData>& rFishs = config::CFishConfig::getFishData();for(size_t i = 0; i < rFishs.size(); ++i){const config::SFishData& rData = rFishs[i];for(int x = 0; x < rData.Percent; ++x){m_vecPercentPool.push_back(i);}}m_eGameState = EGS_BEGIN_MENU;if(pScene==NULL)return false;m_pGameScene = scene::createScene();if(m_pGameScene==NULL)return false;cocos2d::CCLayer* pSceneRoot = cocos2d::CCLayer::create();pScene->addChild(pSceneRoot);m_pGameScene->attachTo(pSceneRoot);const char* szBeginSceneBg = config::CGameConfig::getBeginSceneBg();m_pGameScene->setBackground(szBeginSceneBg);cocos2d::CCLayer* pUIRoot = cocos2d::CCLayer::create();pScene->addChild(pUIRoot);mUIMgr.init(this,pUIRoot);return true;}void CGameLogic::update( float dt ){if(m_eGameState != EGS_GAME_PLAY)return;m_fTime += dt;switch(m_iSubState){case EGPS_NORMAL:{static float total = 0;total+=dt;if(total > 3){if(m_vecObjectsList.size()< config::CGameConfig::getMaxFishNum()){createGameObject();}total = 0;}const std::vector<fishingjoy::config::SFishGroupData>& rGroupData = fishingjoy::config::CFishGroup::getGroupData();CCLOG("m_fTime = %f,rGroupData[0].BeginTime = %d",m_fTime, rGroupData[0].BeginTime);//每隔rGroupData[0].BeginTime秒出现一次鱼群for(size_t i = 0; i < rGroupData.size(); ++i){//当m_fTime接近于rGroupData[0].BeginTime秒时出现鱼群if(abs(m_fTime - rGroupData[i].BeginTime)<1){printf("change state to EGPS_GROUP_COME\n");m_iSubState = EGPS_GROUP_COME;int extend = config::CGameConfig::getExtendSize();float xs[] = {-extend,480+extend,480+extend,-extend};float ys[] = {-extend,-extend,320+extend,320+extend};std::vector<CGameObject*>::iterator it = m_vecObjectsList.begin();std::vector<CGameObject*>::iterator end = m_vecObjectsList.end();for(;it!=end;++it){int randx = CCRANDOM_0_1()*4;int randy = CCRANDOM_0_1()*4;(*it)->moveToAndStop(xs[randx],ys[randy]);}m_pGroupData = &rGroupData[i];m_fGroupTime = m_fTime;break;}}}break;//鱼群来临了case EGPS_GROUP_COME:{//等待GROUP_COME_TIME出现if(m_fTime > m_fGroupTime + GROUP_COME_TIME){printf("change state to EGPS_GROUP\n");m_iSubState = EGPS_GROUP;for(int i = 0; i < m_pGroupData->Fishs.size(); ++i){const config::SFishInGroup& rInGroup = m_pGroupData->Fishs[i];//创建鱼群对象createGameObject(rInGroup.FID,rInGroup.OffsetX + m_pGroupData->X + m_pGroupData->AnchorX,rInGroup.OffsetY + m_pGroupData->Y + m_pGroupData->AnchorY,m_pGroupData->Speed,m_pGroupData->TargetX + m_pGroupData->AnchorX,m_pGroupData->TargetY + m_pGroupData->AnchorY);}m_fGroupTime = m_fTime;break;}}break;case EGPS_GROUP:{//鱼群持续了m_pGroupData->LastTimeif(m_fTime >  m_fGroupTime + m_pGroupData->LastTime){printf("change state to EGPS_GROUP_GO\n");//即将结束m_iSubState = EGPS_GROUP_GO;m_fGroupTime = m_fTime;}}break;case EGPS_GROUP_GO:{//GROUP_GO_TIME后鱼群结束if(m_fTime > m_fGroupTime+ GROUP_GO_TIME){std::vector<CGameObject*>::iterator it = m_vecObjectsList.begin();std::vector<CGameObject*>::iterator end = m_vecObjectsList.end();for(;it!=end;++it){(*it)->randomTarget();}printf("change state to EGPS_NORMAL\n");m_iSubState = EGPS_NORMAL;m_fTime = 0;}}break;}if(m_pGameScene)m_pGameScene->update(dt);std::vector<CGameObject*>::iterator it = m_vecObjectsList.begin();std::vector<CGameObject*>::iterator end = m_vecObjectsList.end();for(;it!=end;){if((*it)->needDestroyed()){scene::ISceneObject* pObj = (*it)->getSceneObj();m_pGameScene->destroyObject(pObj);it = m_vecObjectsList.erase(it); end = m_vecObjectsList.end();continue;}(*it)->update(dt);++it;}}}}

看实现：

本节源代码与工程文件：【资源引用页】

大家可以继续实现更复杂的鱼群效果，加入更多的控制因子。