cocos2dx游戏--欢欢英雄传说--添加动作

添加完人物之后接着给人物添加上动作。
我们为hero添加4个动作：attack（由3张图片构成）,walk（由2张图片构成）,hit（由1张图片构成）,dead（由1张图片构成）；同样，为enemy添加4个动作：attack（由3张图片构成）,walk（由2张图片构成）,hit（由1张图片构成）,dead（由1张图片构成）。
取名分别为：hero-attack-0.png,hero-attack-1.png,hero-attack-2.png,hero-walk-0.png,hero-walk-1.png,hero-hit-0.png,hero-dead-0.png,enemy-attack-0.png,enemy-attack-1.png,enemy-attack-2.png,enemy-walk-0.png,enemy-walk-1.png,enemy-hit-0.png,enemy-dead-0.png。
其中，hero开头的表示hero的动作；enemy开头的表示enemy的动作。attack表示攻击时的动作，walk表示走路时的动作，hit表示受伤时的动作，dead表示死亡时的动作。这些图片资源如下：
hero-attack-0.png:

hero-attack-1.png:

hero-attack-2.png:

hero-walk-0.png:

hero-walk-1.png:

hero-hit-0.png:

hero-dead-0.png:

enemy-attack-0.png:

enemy-attack-1.png:

enemy-attack-2.png:

enemy-walk-0.png:

enemy-walk-1.png:

enemy-hit-0.png:

enemy-dead-0.png:

然后这些图片都存放在Resources/image/目录下，我们需要为这些图片组合成一些列的动作。下面的代码演示了如何将这些图片组合成8个animation并存放在AnimationCache中：
HelloWorld::init()部分代码:

// hero-attack

    spriteFrame = CCSpriteFrame::create("images/hero-attack-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-attack-0.png");

    spriteFrame = CCSpriteFrame::create("images/hero-attack-1.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-attack-1.png");

    spriteFrame = CCSpriteFrame::create("images/hero-attack-2.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-attack-2.png");

    // hero-walk

    spriteFrame = CCSpriteFrame::create("images/hero-walk-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-walk-0.png");

    spriteFrame = CCSpriteFrame::create("images/hero-walk-1.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-walk-1.png");

    // hero-hit

    spriteFrame = CCSpriteFrame::create("images/hero-hit-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-hit-0.png");

    // hero-dead

    spriteFrame = CCSpriteFrame::create("images/hero-dead-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-dead-0.png");

    // enemy-attack

    spriteFrame = CCSpriteFrame::create("images/enemy-attack-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-attack-0.png");

    spriteFrame = CCSpriteFrame::create("images/enemy-attack-1.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-attack-1.png");

    spriteFrame = CCSpriteFrame::create("images/enemy-attack-2.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-attack-2.png");

    // enemy-walk

    spriteFrame = CCSpriteFrame::create("images/enemy-walk-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-walk-0.png");

    spriteFrame = CCSpriteFrame::create("images/enemy-walk-1.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-walk-1.png");

    // enemy-hit

    spriteFrame = CCSpriteFrame::create("images/enemy-hit-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-hit-0.png");

    // enemy-dead

    spriteFrame = CCSpriteFrame::create("images/enemy-dead-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-dead-0.png");

    /** add animation cache **/

    // hero-attack

    auto animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("hero-attack-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "hero-attack");

    // hero-walk

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("hero-walk-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "hero-walk");

    // hero-hit

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("hero-hit-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "hero-hit");

    // hero-dead

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("hero-dead-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "hero-dead");

    // enemy-attack

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("enemy-attack-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "enemy-attack");

    // hero-walk

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("enemy-walk-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "enemy-walk");

    // hero-hit

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("enemy-hit-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "enemy-hit");

    // hero-dead

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("enemy-dead-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "enemy-dead");

我们在Player中添加一个函数来查看效果：

在Player.h中添加：

    void runActionForever(std::string action);

在Player.cpp中添加：

void Player::runActionForever(std::string action)

{

    auto animation = AnimationCache::getInstance()->getAnimation(action);

    auto animate = Animate::create(animation);

    this->runAction(RepeatForever::create(animate));

}

然后在HelloWorld::init()最后添加如下代码查看效果：

    player->runActionForever("hero-attack");

    enemy->runActionForever("enemy-walk");

效果如下：

#include "HelloWorldScene.h"

#include "SimpleAudioEngine.h"

#include "Player.h"

USING_NS_CC;

Scene* HelloWorld::createScene()

{

    // 'scene' is an autorelease object

    auto scene = Scene::create();

    // 'layer' is an autorelease object

    auto layer = HelloWorld::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 HelloWorld::init()

{

    if ( !Layer::init() )

    {

        return false;

    }

    auto visibleSize = Director::getInstance()->getVisibleSize();

    Vec2 origin = Director::getInstance()->getVisibleOrigin();

    Sprite* background = Sprite::create("images/background.png");

    background->setPosition(origin + visibleSize/);

    this->addChild(background);

    SpriteFrame *spriteFrame = CCSpriteFrame::create("images/hero-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-0.png");

    spriteFrame = CCSpriteFrame::create("images/enemy-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-0.png");

    // hero-attack

    spriteFrame = CCSpriteFrame::create("images/hero-attack-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-attack-0.png");

    spriteFrame = CCSpriteFrame::create("images/hero-attack-1.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-attack-1.png");

    spriteFrame = CCSpriteFrame::create("images/hero-attack-2.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-attack-2.png");

    // hero-walk

    spriteFrame = CCSpriteFrame::create("images/hero-walk-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-walk-0.png");

    spriteFrame = CCSpriteFrame::create("images/hero-walk-1.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-walk-1.png");

    // hero-hit

    spriteFrame = CCSpriteFrame::create("images/hero-hit-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-hit-0.png");

    // hero-dead

    spriteFrame = CCSpriteFrame::create("images/hero-dead-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "hero-dead-0.png");

    // enemy-attack

    spriteFrame = CCSpriteFrame::create("images/enemy-attack-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-attack-0.png");

    spriteFrame = CCSpriteFrame::create("images/enemy-attack-1.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-attack-1.png");

    spriteFrame = CCSpriteFrame::create("images/enemy-attack-2.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-attack-2.png");

    // enemy-walk

    spriteFrame = CCSpriteFrame::create("images/enemy-walk-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-walk-0.png");

    spriteFrame = CCSpriteFrame::create("images/enemy-walk-1.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-walk-1.png");

    // enemy-hit

    spriteFrame = CCSpriteFrame::create("images/enemy-hit-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-hit-0.png");

    // enemy-dead

    spriteFrame = CCSpriteFrame::create("images/enemy-dead-0.png", CCRectMake(, , , ));

    SpriteFrameCache::getInstance()->addSpriteFrame(spriteFrame, "enemy-dead-0.png");

    /** add animation cache **/

    // hero-attack

    auto animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("hero-attack-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "hero-attack");

    // hero-walk

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("hero-walk-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "hero-walk");

    // hero-hit

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("hero-hit-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "hero-hit");

    // hero-dead

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("hero-dead-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "hero-dead");

    // enemy-attack

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("enemy-attack-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "enemy-attack");

    // hero-walk

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("enemy-walk-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "enemy-walk");

    // hero-hit

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("enemy-hit-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "enemy-hit");

    // hero-dead

    animation = Animation::create();

    animation->setDelayPerUnit(0.2f);

    for (int i = ; i < ; i ++)

    {

        auto sfName =String::createWithFormat("enemy-dead-%d.png", i)->getCString();

        animation->addSpriteFrame(SpriteFrameCache::getInstance()->getSpriteFrameByName(sfName));

    }

    AnimationCache::getInstance()->addAnimation(animation, "enemy-dead");

    Player* player = Player::create(Player::PlayerType::HERO);

    player->setPosition(origin.x + player->getContentSize().width/, origin.y + visibleSize.height/);

    this->addChild(player);

    Player* enemy = Player::create(Player::PlayerType::ENEMY);

    enemy->setPosition(origin.x + visibleSize.width - player->getContentSize().width/, origin.y + visibleSize.height/);

    this->addChild(enemy);

    player->runActionForever("hero-attack");

    enemy->runActionForever("enemy-walk");

    return true;

}

void HelloWorld::menuCloseCallback(Ref* pSender)

{

    Director::getInstance()->end();

#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)

    exit();

#endif

}

HellWorldScene.cpp

#ifndef __Palyer__

#define __Player__

#include "cocos2d.h"

USING_NS_CC;

class Player : public Sprite

{

public:

    enum PlayerType

    {

        HERO,

        ENEMY

    };

    bool initWithPlayerType(PlayerType type);

    static Player* create(PlayerType type);

    void runActionForever(std::string action);

};

#endif

Player.h

#include "Player.h"

bool Player::initWithPlayerType(PlayerType type)

{

    std::string spName = "";

    switch (type)

    {

        case PlayerType::HERO:

            spName = "hero-0.png";

            break;

        case PlayerType::ENEMY:

            spName = "enemy-0.png";

            break;

    }

    this->initWithSpriteFrameName(spName);

    return true;

}

Player* Player::create(PlayerType type)

{

    Player* player = new Player();

    if (player && player->initWithPlayerType(type))

    {

        player->autorelease();

        return player;

    }

    else

    {

        delete player;

        player = NULL;

        return NULL;

    }

}

void Player::runActionForever(std::string action)

{

    auto animation = AnimationCache::getInstance()->getAnimation(action);

    auto animate = Animate::create(animation);

    this->runAction(RepeatForever::create(animate));

}

Player.cpp

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