cocos2d-x权威指南 喵星战争 源码

#include "GameScene.h" #include "GameObjHero.h" #include "GameObjEnemy.h" #include "GameHeroBullet.h" #include "GameEnemyBullet.h" #include "GameAboutScene.h" #include "GameMenuScene.h" using namespace cocos2d; CCScene* GameMain::scene() { CCScene * scene = NULL; do { // 'scene' is an autorelease object scene = CCScene::create(); CC_BREAK_IF(! scene); // 'layer' is an autorelease object GameMain *layer = GameMain::create(); CC_BREAK_IF(! layer); // add layer as a child to scene scene->addChild(layer); } while (0); // return the scene return scene; } void GameMain::releaseenemyBullet(int x,int y) { //遍历子弹数组，不再使用的子弹释放 for (int i=0;i < enemybullets->capacity();i++) { if (!((GameEnemyBullet*)enemybullets->objectAtIndex(i))->getIsvisble()) { //设置位置，并设置为显示 ((GameEnemyBullet*)enemybullets->objectAtIndex(i))->setPosition(ccp(x,y)); ((GameEnemyBullet*)enemybullets->objectAtIndex(i))->setIsVisable(); break; } } } void GameMain::releaseheroBullet(int x,int y){ //遍历子弹数组，不在使用的子弹释放 for(int i = 0;i < bullets->capacity();i ++){ if(!((GameHeroBullet *)bullets->objectAtIndex(i))->getIsvisble()){ //设置位置，并设置为显示 ((GameHeroBullet *)bullets->objectAtIndex(i))->setPosition(ccp(x,y)); ((GameHeroBullet *)bullets->objectAtIndex(i))->setIsVisable(); break; } } } // on "init" you need to initialize your instance bool GameMain::init() { if (!CCLayer::init()) { return false; } CCSize size = CCDirector::sharedDirector()->getWinSize(); //创建背景 bg1 = CCSprite::create("bg.png"); bg1->setScale(0.5); bg2 = CCSprite::create("bg.png"); bg2->setScale(0.5); bg1->setAnchorPoint(ccp(0,0)); bg2->setAnchorPoint(ccp(0,0)); bg1->setPosition(ccp(0,0)); bg2->setPosition(ccp(0,size.height)); this->addChild(bg1,0); this->addChild(bg2,0); //创建主角 hero = new GameObjHero(); hero->setPosition(ccp(size.width/2,-50)); hero->setScale(0.5); addChild(hero,2,1); hero->runAction(CCMoveBy::create(0.5,ccp(0,150))); //创建敌人 enemys = CCArray::createWithCapacity(3); 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); this->addChild(enemy,1); enemy->movestart(); } enemys->retain(); //创建血量 blood = 3; CCSpriteBatchNode* ui = CCSpriteBatchNode::create("cat.png"); blood1 = CCSprite::createWithTexture(ui->getTexture()); blood1 ->setPosition(ccp(20,size.height - 20)); blood1 ->setScale(0.2); ui ->addChild(blood1); blood2 = CCSprite::createWithTexture(ui->getTexture()); blood2 ->setPosition(ccp(50,size.height - 20)); blood2 ->setScale(0.2); ui ->addChild(blood2); blood3 = CCSprite::createWithTexture(ui->getTexture()); blood3 ->setPosition(ccp(80,size.height - 20)); blood3 ->setScale(0.2); ui ->addChild(blood3); addChild(ui,4); //初始化主角子弹 bullets = CCArray::createWithCapacity(5); for (int i=0;i < bullets->capacity(); i++) { GameHeroBullet * mybullet = new GameHeroBullet; mybullet->setIsNotVisable(this); mybullet->setScale(0.5); bullets->addObject(mybullet); this ->addChild(mybullet,3); } bullets->retain(); //初始化敌人子弹 enemybullets = CCArray::createWithCapacity(10); for (int i=0;i < enemybullets->capacity();i++) { GameEnemyBullet * mybullet = new GameEnemyBullet(); mybullet->setIsNotVisable(this); mybullet->setScale(0.5); enemybullets->addObject(mybullet); this->addChild(mybullet,3); } gamemark = new GameMark(); addChild(gamemark,4); enemybullets->retain(); //初始化游戏结束画面及按钮 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); this->addChild(gameover,5); CCMenuItemImage *pCloseItem = CCMenuItemImage::create("back.png","back.png",this,menu_selector(GameMain::menuCloseCallback)); 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; scheduleUpdate(); return true; } void GameMain::menuCloseCallback(CCObject* pSender) { // "close" menu item clicked CCDirector::sharedDirector()->replaceScene(GameMenuScene::scene()); } void GameMain::update(float time) { bg1 ->setPosition(ccp(bg1->getPosition().x,bg1->getPosition().y - 2)); bg2 ->setPosition(ccp(bg2->getPosition().x,bg2->getPosition().y - 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)); } CCPoint hpos = hero->getPosition(); //敌人和主角子弹的碰撞检测 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 < bullets->capacity(); 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(); } if (!isreduce) { for (int i = 0;i < enemybullets ->capacity(); i++ ) { if (isCollion(hpos,((GameEnemyBullet*)enemybullets->objectAtIndex(i))->getPosition(),21,22.5,5,13)) { setherohurt(); } } } } } void GameMain::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(3,6); //5秒内闪烁10次 hero->runAction(action); schedule(schedule_selector(GameMain::resetreduce),3.0f); // 无敌时间 isreduce = true; } void GameMain::resetreduce(float dt) { isreduce = false;//重新能收到伤害 } void GameMain::setover() { //设置游戏结束 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)); } bool GameMain::isCollion(CCPoint p1,CCPoint p2,int w1,int h1,int w2,int h2) { //判断两个矩形是否碰撞 if (abs(p1.x - p2.x) < w1 + w2 && abs(p1.y - p2.y) < h1 + h2 ) { return true; } return false; } void GameMain::menuBackCallback(CCObject* pSender) { CCDirector::sharedDirector()->replaceScene(GameMenuScene::scene()); } GameMain::GameMain(void) { } GameMain::~GameMain(void) { } void GameMain::onEnter() { CCLayer::onEnter(); } void GameMain::onExit() { CCLayer::onExit(); }