cocos2d-x游戏实例 瞄汪战争

// // GameScene.cpp // example11-1 // // Created by shuoquan man on 12-10-14. // Copyright (c) 2012年 __MyCompanyName__. All rights reserved. // #include "GameAboutScene.h" #include "GameMenuScene.h" #include "GameScene.h" #include "GameObjHero.h" #include "GameHeroBullet.h" #include "GameEnemyBullet.h" using namespace cocos2d; CCScene* GameMain::scene() { CCScene *scene = CCScene::create(); GameMain *layer = GameMain::create(); scene->addChild(layer); return scene; } void GameMain::releaseenemyBullet(int x,int y){ //遍历子弹数组，不在使用的子弹释放 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; } } } 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::create(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); addChild(enemy,1); enemy->movestart(); } enemys->retain(); //创建血量ui blood = 3; CCSpriteBatchNode* ui = CCSpriteBatchNode::create("cat.png"); //CCNode *ui = CCNode::create(); blood1 = CCSprite::create(ui->getTexture()); blood1->setPosition(ccp(20,size.height - 20)); blood1->setScale(0.2); ui->addChild(blood1); blood2 = CCSprite::create(ui->getTexture()); blood2->setPosition(ccp(50,size.height - 20)); blood2->setScale(0.2); ui->addChild(blood2); blood3 = CCSprite::create(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::create(5); for(int i = 0;i < bullets->capacity();i ++){ GameHeroBullet * mybullet = new GameHeroBullet(); mybullet->setIsNotVisable(); mybullet->setScale(0.5); bullets->addObject(mybullet); this->addChild(mybullet,3); } //初始化敌人子弹 bullets->retain(); enemybullets = CCArray::create(10); for(int i = 0;i < enemybullets->capacity();i ++){ GameEnemyBullet * mybullet = new GameEnemyBullet(); mybullet->setIsNotVisable(); mybullet->setScale(0.5); enemybullets->addObject(mybullet); this->addChild(mybullet,3); } gamemark = new GameMark(); addChild(gamemark,4); enemybullets->retain(); //初始化游戏结束弹板及按钮 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(GameMain::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; scheduleUpdate(); return true; } void GameMain::menuBackCallback(){ CCDirector::sharedDirector()->replaceScene(GameMenu::scene()); } 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::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)); } 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(5, 10); hero->runAction(action); schedule(schedule_selector(GameMain::resetreduce), 5.0f); isreduce = true; } void GameMain::resetreduce(){ isreduce = false; } void GameMain::update(float time){ //背景移动逻辑 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(); //敌人和子弹碰撞检测 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; } } } } if(!isreduce && enemy->islife && isCollion(hpos,epos,21,22.5,21,28)){ enemy->setdie(); setherohurt(); } } //主角和敌人子弹碰撞 if(!isreduce){ for(int i = 0;i < enemybullets->capacity();i ++){ if(isCollion(hpos,((GameEnemyBullet *)enemybullets->objectAtIndex(i))->getPosition(),21,22.5,5,13)){ setherohurt(); } } } }