cocos2dx框架已经提供了很多场景切换的类，但是一些自定义的场景切换，只有自己实现了。下面是实现的类。这里设计的分辨率是750*500.请根据实际的要求调整。
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();
CCPoint stLeftBegin, stLeftEnd, stRightBegin, stRightEnd;
//设置左边的起点和终点
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");
//生成画动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)
{
//所以的活动完成后，要执行场行的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：
