coco2dx 2.2.5版本实例

Cocos2d-x框架提供了许多场景切换的类，但对于一些自定义的场景切换，需要我们自己实现。以下是实现自定义场景切换的相关类，这里设计的分辨率为750 * 500，请根据实际需求进行调整。

头文件

#ifndef _TRANSITION_GAME_H_
#define _TRANSITION_GAME_H_
#include <cocos2d.h>

namespace cocos2d
{
class CCTransitionGame : public CCTransitionScene
{
public:
CCTransitionGame();
virtual ~CCTransitionGame();
void onEnter();
static CCTransitionGame * create(float t, CCScene *scene);

private:
void LRFinish(void);
void OnFirstActionFinish(void);

private:
int m_FinishCnt;
};
}

#endif

源文件

#include "TransitionGame.h"
#include "xlog.h"
#include <xstring.h>

namespace cocos2d
{
using namespace zdh;

CCTransitionGame * CCTransitionGame::create(float t, CCScene *scene)
{
CCTransitionGame * pScene = new CCTransitionGame();
if (pScene && pScene->initWithDuration(t, scene))
{
pScene->autorelease();
return pScene;
}
CC_SAFE_DELETE(pScene);
return NULL;
}

CCTransitionGame::CCTransitionGame()
{
m_FinishCnt = 0;
}

CCTransitionGame::~CCTransitionGame()
{
}

void CCTransitionGame::onEnter()
{
CCTransitionScene::onEnter();
CCSize visibleSize = CCDirector::sharedDirector()->getVisibleSize();

// 设置左边的起点和终点
CCPoint stLeftBegin, stLeftEnd, stRightBegin, stRightEnd;
stLeftBegin.setPoint(-436.0f, -60);
stLeftEnd.setPoint(visibleSize.width / 2.0f + stLeftBegin.x, -60.0f);

// 设置右边的起点和终点
stRightBegin.setPoint(visibleSize.width, -60.0f);
stRightEnd.setPoint(visibleSize.width / 2.0f, -60.0f);

// 加载动画序列
CCSpriteFrameCache* pCache = CCSpriteFrameCache::sharedSpriteFrameCache();
pCache->addSpriteFramesWithFile("middle_ani_1.plist");
pCache->addSpriteFramesWithFile("middle_ani_2.plist");

// 生成动画图片列表和动画对象
CCArray* pAnimFrames = CCArray::createWithCapacity(69);
XAnsiString strAniName;
for (int i = 1; i < 70; i++)
{
strAniName.printf("light%04d.png", i);
pAnimFrames->addObject(pCache->spriteFrameByName(strAniName.c_str()));
}
CCAnimation* animation = CCAnimation::createWithSpriteFrames(pAnimFrames, this->m_fDuration * 2.0f / 3.0f / 69.0f);

CCNode * pNode = CCNode::create();
// 这个有两个子节点，一个是左边交换图片，一个是中间的动画，用于一起做移动的Action
CCSprite* pLeft = CCSprite::createWithSpriteFrameName("swap_left.png");
pLeft->setAnchorPoint(CCPointZero);
pNode->addChild(pLeft);

CCSprite * pMiddle = CCSprite::create();
// 显示动画
pMiddle->setAnchorPoint(CCPointZero);
pMiddle->setPosition(ccp(436.0f - 69.0f, 250.0f + 60.0f - 72.0f));
pMiddle->runAction(CCAnimate::create(animation));
pNode->addChild(pMiddle);

pNode->setAnchorPoint(ccp(0, 0));
pNode->setPosition(stLeftBegin);
this->addChild(pNode, 1);

// 右边的交换图片
CCSprite* pRight = CCSprite::createWithSpriteFrameName("swap_right.png");
pRight->setPosition(stRightBegin);
pRight->setAnchorPoint(CCPointZero);
this->addChild(pRight, 0);

// 定义动作
// 左边的向右移动活动
CCMoveTo* pActionLeft = CCMoveTo::create(m_fDuration / 3, stLeftEnd);
// 右边的向左移动活动
CCMoveTo * pActionRight = CCMoveTo::create(m_fDuration / 3, stRightEnd);
// 原地不动
CCMoveTo* pActionLeft1 = CCMoveTo::create(m_fDuration / 3, stLeftEnd);
CCMoveTo * pActionRight1 = CCMoveTo::create(m_fDuration / 3, stRightEnd);

CCMoveTo* pActionLeft2 = CCMoveTo::create(m_fDuration / 3, stLeftBegin);
CCMoveTo * pActionRight2 = CCMoveTo::create(m_fDuration / 3, stRightBegin);

m_FinishCnt = 0;
pNode->runAction(CCSequence::create(pActionLeft, CCCallFunc::create(this, callfunc_selector(CCTransitionGame::OnFirstActionFinish)), pActionLeft1, pActionLeft2, CCCallFunc::create(this, callfunc_selector(CCTransitionGame::LRFinish)), NULL));
pRight->runAction(CCSequence::create(pActionRight, pActionRight1, pActionRight2, CCCallFunc::create(this, callfunc_selector(CCTransitionGame::LRFinish)), NULL));
}

void CCTransitionGame::LRFinish(void)
{
// 所有的活动完成后，要执行场景的Finish
m_FinishCnt++;
if (m_FinishCnt >= 2)
{
CCTransitionScene::finish();
}
}

void CCTransitionGame::OnFirstActionFinish(void)
{
// 打开门之前，关闭显示第一个场景，显示第二个场景
m_pInScene->setVisible(true);
m_pOutScene->setVisible(false);
}
}

用到的资源

/Files/zdhsoft/plist.zip

效果图

（此处可补充效果图的展示方式，如插入图片等，原文未给出具体图片信息）