cocos2d-x权威指南 喵星战争cocos2.14 源码

#include "GameScene.h" GamerObjHero* hero; GameScene::GameScene(void) { } GameScene::~GameScene(void) { } void GameScene::onEnter() { CCLayer::onEnter(); } void GameScene::onExit() { CCLayer::onExit(); } CCScene* GameScene::scene() { CCScene* scene=CCScene::create(); //GameScene* layer=GameScene::create(); scene->addChild(GameScene::create()); return scene; } bool GameScene::init() { if (!CCLayer::init()) { return false; } isover=false; CCSize size=CCDirector::sharedDirector()->getWinSize(); //创建背景 bg1=CCSprite::create("bg.png"); bg1->setScale(0.5); bg1->setAnchorPoint(ccp(0,0)); bg1->setPosition(ccp(0,0)); bg2=CCSprite::create("bg.png"); bg2->setScale(0.5); bg2->setAnchorPoint(ccp(0,0)); bg2->setPosition(ccp(0,size.height)); this->addChild(bg1,0); this->addChild(bg2,0); //创建主角 hero=new GamerObjHero(); hero->setPosition(ccp(size.width/2,-50)); hero->setScale(0.5); this->addChild(hero,2,1); hero->runAction(CCMoveBy::create(0.5,ccp(0,150))); bullets=CCArray::create(); for (int i=0;i<5;i++) { GameHeroBullet* mybullet=new GameHeroBullet(); mybullet->setIsNotVisable(); mybullet->setScale(0.5); bullets->addObject(mybullet); this->addChild(mybullet); } bullets->retain(); //创建敌人 enemys=CCArray::create(); for (int i=0;i<3;i++) { int type=i+1; GameObjEnemy* enemy=new GameObjEnemy(); enemy->setPosition(ccp(size.width/4*type,size.height+50)); enemy->setScale(0.5); enemy->setType(type); enemys->addObject(enemy); addChild(enemy,1); enemy->movestart(); } enemys->retain(); //初始化敌人子弹 bullets->retain(); enemybullets=CCArray::create(); for (int i=0;i<10;i++) { GameEnemyBullet* mybullet=new GameEnemyBullet(); mybullet->setIsNotVisable(); mybullet->setScale(0.5); enemybullets->addObject(mybullet); this->addChild(mybullet,3); } enemybullets->retain(); //创建分数 gamemark=new GameMark(); addChild(gamemark,4); //初始化游戏结束画面以及按钮 gameover=CCSprite::create("gameover.png"); gameover->setAnchorPoint(ccp(0.5,0.5)); gameover->setPosition(ccp(0,0)); gameover->setPosition(ccp(size.width/2,size.height/2+70)); gameover->setVisible(false); gameover->setScale(0.5); addChild(gameover,5); CCMenuItemImage* pCloseItem=CCMenuItemImage::create("back.png","back.png", this,menu_selector(GameScene::menuBackCallback)); pCloseItem->setPosition(ccp(size.width/2,size.height/2-50)); pCloseItem->setScale(0.5); CCMenu* pMenu=CCMenu::create(pCloseItem,NULL); pMenu->setPosition(CCPointZero); this->addChild(pMenu,5,25); pMenu->setVisible(false); pMenu->setEnabled(false); isreduce=false; isover=false; //创建血量ui blood=3; CCSpriteBatchNode* ui=CCSpriteBatchNode::create("cat.png"); blood1=CCSprite::createWithTexture(ui->getTexture()); blood1->setPosition(ccp(20,size.height-20)); blood1->setScale(0.2f); ui->addChild(blood1); blood2=CCSprite::createWithTexture(ui->getTexture()); blood2->setPosition(ccp(50,size.height-20)); blood2->setScale(0.2f); ui->addChild(blood2); blood3=CCSprite::createWithTexture(ui->getTexture()); blood3->setPosition(ccp(80,size.height-20)); blood3->setScale(0.2f); ui->addChild(blood3); addChild(ui,4); scheduleUpdate();//调用系统的帧事件 return true; } void GameScene::menuBackCallback(CCObject* pSender) { CCDirector::sharedDirector()->replaceScene(GameMenu::scence()); } void GameScene::update(float delta) { bg1->setPosition(ccp(bg1->getPositionX(),bg1->getPositionY()-2)); bg2->setPosition(ccp(bg2->getPositionX(),bg2->getPositionY()-2)); if (bg2->getPosition().y<0) { float temp=bg2->getPosition().y+480; bg1->setPosition(ccp(bg2->getPosition().x,temp)); } if (bg1->getPosition().y<0) { float temp=bg1->getPosition().y+480; bg2->setPosition(ccp(bg1->getPosition().x,temp)); } //敌人和主角子弹的碰撞测试 CCPoint hpos=hero->getPosition(); for (int i=0;i<3;i++) { GameObjEnemy* enemy=((GameObjEnemy*)enemys->objectAtIndex(i)); CCPoint epos=enemy->getPosition(); if (enemy->islife) { for(int i=0;i<int(bullets->count());i++) { if (((GameHeroBullet*)bullets->objectAtIndex(i))->getIsvisble()) { if (isCollion(((GameHeroBullet*)bullets->objectAtIndex(i))-> getPosition(),epos,5,13,21,28)) { enemy->setdie(); gamemark->addnumber(200); break; } } } } //敌人和主角的碰撞检测 if (!isreduce&&enemy->islife&&isCollion( hpos,epos,21,22.5,21,28)) { enemy->setdie(); setherohurt(); } } //主角和敌人的子弹的碰撞检测 if(!isreduce) { for (int i=0;i<int(enemybullets->count());i++) { if (isCollion(hpos,((GameEnemyBullet*)enemybullets->objectAtIndex(i))-> getPosition(),21,22.5,5,13)) { setherohurt(); } } } gamemark->addnumber(10); } void GameScene::releaseheroBullet(int x,int y) { CCLog("count=%d, =%d",bullets->count(),bullets->retainCount()); for (int i=0;i<int(bullets->count());i++) { if (!((GameHeroBullet*)bullets->objectAtIndex(i))->getIsvisble()) { CCLog("i=%d\n",i); ((GameHeroBullet*)bullets->objectAtIndex(i))->setPosition(ccp(x,y)); ((GameHeroBullet*)bullets->objectAtIndex(i))->setIsVisable(); return; } } } void GameScene::releaseenemyBullet(int x,int y) { for (int i=0;i<int(enemybullets->count());i++) { if (!((GameEnemyBullet*)enemybullets->objectAtIndex(i))->getIsvisble()) { ((GameEnemyBullet*)enemybullets->objectAtIndex(i))->setPosition(ccp(x,y)); ((GameEnemyBullet*)enemybullets->objectAtIndex(i))->setIsVisable(); break; } } } void GameScene::setover() { unscheduleUpdate(); for (int i=0;i<int(enemys->count());i++) { CCLog("enemys over"); ((GameObjEnemy*)enemys->objectAtIndex(i))->setdie(); ((GameObjEnemy*)enemys->objectAtIndex(i))->unschedule(schedule_selector(GameObjEnemy::releasebullet)); ((GameObjEnemy*)enemys->objectAtIndex(i))->stopAllActions(); } hero->unschedule(schedule_selector(GamerObjHero::releasebullet)); CCMenu* pMenu=(CCMenu*)this->getChildByTag(25); pMenu->setVisible(true); pMenu->setEnabled(true); gameover->setVisible(true); gameover->setScale(0); pMenu->setScale(0); pMenu->runAction(CCScaleTo::create(0.5,1)); gameover->runAction(CCScaleTo::create(0.5,0.5)); } void GameScene::setherohurt() { //主角受伤，减血 hero->stopAllActions(); switch(blood) { case 3: blood1->setVisible(false); blood--; break; case 2: blood2->setVisible(false); blood--; break; case 1: blood3->setVisible(false); blood--; break; case 0: if (!isover) { isover=true; setover(); } break; } CCActionInterval* action=CCBlink::create(5,10); hero->runAction(action); schedule(schedule_selector(GameScene::resetreduce),5.0f); isreduce=true; } bool GameScene::isCollion(CCPoint p1,CCPoint p2,int w1,int h1,int w2,int h2) { if (abs(p1.x-p2.x)<w1+w2&&abs(p1.y-p2.y)<h1+h2) { return true; } return false; } void GameScene::resetreduce(float dt) { isreduce=false; }