cocos2d-x 3.2 仿微信的飞机大战

#include "GameLayer.h" #include "SimpleAudioEngine.h" #include "MyUtility.h" using namespace CocosDenshion; USING_NS_CC; Scene* GameLayer::createScene() { // 'scene' is an autorelease object auto scene = Scene::create(); // 'layer' is an autorelease object auto layer = GameLayer::create(); // add layer as a child to scene scene->addChild(layer); // return the scene return scene; } // on "init" you need to initialize your instance bool GameLayer::init() { // 1. super init first if (!Layer::init()) { return false; } initData(); resetBullet(); this->scheduleUpdate(); //单点触摸 this->setTouchEnabled(true); this->setTouchMode(Touch::DispatchMode::ONE_BY_ONE); return true; } //初始化背景、战机、战机飞行动画、子弹 void GameLayer::initData() { visibleSize = Director::getInstance()->getVisibleSize(); bgHeight = visibleSize.height; //分数 scoreLabel = MyUtility::createBMF("000", Vec2(90, visibleSize.height - 50)); this->addChild(scoreLabel, 4); bg1 = Sprite::createWithSpriteFrameName("background_2.png"); bg1->setAnchorPoint(Vec2(0.5, 0)); bg1->setPosition(Vec2(visibleSize.width / 2, 0)); this->addChild(bg1, 0); bg2 = Sprite::createWithSpriteFrameName("background_2.png"); bg2->setAnchorPoint(Vec2(0.5, 0)); bg2->setPosition(Vec2(visibleSize.width / 2, visibleSize.height)); this->addChild(bg2, 0); //暂停 pauseToggleMenuItem = MyUtility::initToggleMenuItem( CC_CALLBACK_1(GameLayer::pauseGameCallback, this), "game_pause.png", "game_pause_hl.png", 40, visibleSize.height - 50 ); //炸弹 auto bombSprite = Sprite::createWithSpriteFrameName("bomb.png"); auto toggleMenuItem = MenuItemSprite::create(bombSprite, bombSprite); useBombToggleMenuItem = MenuItemToggle::createWithCallback( CC_CALLBACK_1(GameLayer::useBombCallback, this), toggleMenuItem, toggleMenuItem, NULL ); useBombToggleMenuItem->setPosition(Vec2(bombSprite->getContentSize().width / 2, bombSprite->getContentSize().height / 2)); useBombToggleMenuItem->setVisible(false); //炸弹数量 bombNumLabel = MyUtility::createMenuItem(CC_CALLBACK_1(GameLayer::useBombCallback, this), "游戏"); bombNumLabel->setVisible(false); auto bombMenu = Menu::create(pauseToggleMenuItem, useBombToggleMenuItem, bombNumLabel, NULL); bombMenu->setPosition(Vec2::ZERO); this->addChild(bombMenu, 4); player = Sprite::createWithSpriteFrameName("hero_fly_1.png"); player->setPosition(Vec2(visibleSize.width / 2, visibleSize.height / 2 - 200)); this->addChild(player, 3); //战机动画 Animation* animation = Animation::create(); for (int i = 1; i <= PLAN_COUNT; i++) { __String* str = __String::createWithFormat("hero_fly_%d.png", i); SpriteFrame* frame = SpriteFrameCache::getInstance()->getSpriteFrameByName(str->getCString()); animation->addSpriteFrame(frame); } //战机大小 playerSize = Vec2(player->getContentSize().width, player->getContentSize().height); //每个帧的间隔 animation->setDelayPerUnit(0.1f); Animate* animate = Animate::create(animation); player->runAction(RepeatForever::create(animate)); madeBullet(); } //子弹 void GameLayer::madeBullet() { bullet = Sprite::createWithSpriteFrameName(!isBigBulletTime ? "bullet1.png" : "bullet2.png"); this->addChild(bullet); } //滚屏 void GameLayer::scrollBg() { if (!isGameOver) { if (0 >= bgHeight) { bgHeight = visibleSize.height; } bg1->setPosition(Vec2(bg1->getPosition().x, bgHeight - visibleSize.height)); bg2->setPosition(Vec2(bg2->getPosition().x, bgHeight - 1)); bgHeight--; } } void GameLayer::update(float dt) { if (!isGamePause) { scrollBg(); fire(); addEnemyPlane(); moveEnemyPlane(); collisionDetection(); addChangeBullet(); bigBulletLastTime(); } } //背景音乐 void GameLayer::onEnterTransitionDidFinish() { Layer::onEnterTransitionDidFinish(); SimpleAudioEngine::getInstance()->playBackgroundMusic("music/game_music.mp3", true); SimpleAudioEngine::getInstance()->playEffect("music/shoot.mp3", true); } bool GameLayer::onTouchBegan(Touch* touch, Event* event) { //检测触摸的屏幕点是否在一个范围内 //Vec2 nodeWorld = touch->getLocation(); //Vec2 nodeLocal = player->convertToNodeSpace(nodeWorld); //Size planeSize = player->getContentSize(); //Rect planeRect = Rect(0, 0, planeSize.width, planeSize.height); //if (planeRect.containsPoint(nodeLocal)) //{ // return true; //} //return false; return !isGameOver; } //移动战机 void GameLayer::onTouchMoved(Touch* touch, Event* event) { if (!isGameOver && !isGamePause) { ////当前触摸点OpenGL坐标 //Vec2 touchPos = touch->getLocation(); ////战机位置 Vec2 playerPos = player->getPosition(); ////上一个触摸点OpenGL坐标 //Vec2 oldTouchPos = touch->getPreviousLocation(); //偏移量 Vec2 diff = touch->getDelta();// touchPos - oldTouchPos; bulletWidthSpeed = diff.x; //战机偏移后的位置 Vec2 newPos = Vec2(playerPos.x + diff.x, playerPos.y + diff.y); /*保证战机偏移后位置还在屏幕内*/ //左边界 if (newPos.x < playerSize.width / 2) { newPos.x = playerSize.width / 2; } else if (newPos.x > visibleSize.width - playerSize.width / 2)//右边界 { newPos.x = visibleSize.width - playerSize.width / 2; } //下边界 if (newPos.y < playerSize.height / 2) { newPos.y = playerSize.height / 2; } else if (newPos.y > visibleSize.height - playerSize.height / 2 - 20)//上边界 { newPos.y = visibleSize.height - playerSize.height / 2 - 20; } player->setPosition(newPos); } } //重置子弹 void GameLayer::resetBullet() { //根据双子弹状态变换子弹 if (isChangeBullet) { //从父节点中删除当前子节点 如果Cleanup为true则删除当前节点的所有动作 bullet->removeFromParentAndCleanup(false); //重新制造子弹 madeBullet(); //停止变换子弹 isChangeBullet = false; } //子弹速度 bulletSpeed = (visibleSize.height - (player->getPosition().y + 50)) / 10; if (10 > bulletSpeed) { bulletSpeed = 10; } //子弹初始位置 bullet->setPosition(Vec2(player->getPosition().x, player->getPosition().y + 50)); } //开火 void GameLayer::fire() { if (!isGameOver) { //子弹加速度 bullet->setPosition(Vec2(bullet->getPosition().x + bulletWidthSpeed / 1.5, bullet->getPosition().y + bulletSpeed)); //达到屏幕高度重置子弹到初始位置 if (bullet->getPosition().y > visibleSize.height + 10) { this->resetBullet(); } } } /*===============添加敌机=======================*/ void GameLayer::addEnemyPlane() { if (!isGameOver) { /*间隔不同的时间出现不同的敌机*/ smallPlaneTime++; mediumPlaneTime++; bigPlaneTime++; if (SMALLPLANE_TIME < smallPlaneTime) { //获得敌机精灵 EnemyPlane* smallPlane = EnemyPlane::createEnemyPlane( "enemy1_fly_1.png", EnemyPlaneType::kSmallPane, visibleSize, 1, CCRANDOM_0_1() * 2 + 2 ); this->addChild(smallPlane, 3); //添加到敌机集合 planeList.pushBack(smallPlane); smallPlaneTime = 0; } if (MEDIUMPLANE_TIME < mediumPlaneTime) { EnemyPlane* mediumPlane = EnemyPlane::createEnemyPlane( "enemy3_fly_1.png", EnemyPlaneType::kMediumPlane, visibleSize, 30, 3 ); this->addChild(mediumPlane, 3); planeList.pushBack(mediumPlane); mediumPlaneTime = 0; } if (BIGPLANE_TIME < bigPlaneTime) { EnemyPlane* bigPlane = EnemyPlane::createEnemyPlane( "enemy2_fly_1.png", EnemyPlaneType::kBigPlane, visibleSize, 55, 2 ); this->addChild(bigPlane, 3); planeList.pushBack(bigPlane); bigPlaneAction(bigPlane); bigPlaneTime = 0; } } } //大敌机的动画 void GameLayer::bigPlaneAction(EnemyPlane* plane) { Animation* animation = Animation::create(); for (int i = 1; i <= PLAN_COUNT; i++) { __String* str = __String::createWithFormat("enemy2_fly_%i.png", i); SpriteFrame* frame = SpriteFrameCache::getInstance()->getSpriteFrameByName(str->getCString()); animation->addSpriteFrame(frame); } animation->setDelayPerUnit(0.1f); Animate* animate = Animate::create(animation); plane->runAction(RepeatForever::create(animate)); } //超过屏幕底部移除集合里的敌机 void GameLayer::moveEne