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C++ CCParticleSystem::_setZOrder方法代码示例

本文整理汇总了C++中CCParticleSystem::_setZOrder方法的典型用法代码示例。如果您正苦于以下问题:C++ CCParticleSystem::_setZOrder方法的具体用法?C++ CCParticleSystem::_setZOrder怎么用?C++ CCParticleSystem::_setZOrder使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在CCParticleSystem的用法示例。


在下文中一共展示了CCParticleSystem::_setZOrder方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: reorderChild

// Reorder will be done in this function, no "lazy" reorder to particles
void CCParticleBatchNode::reorderChild(CCNode * child, int zOrder)
{
    CCAssert( child != NULL, "Child must be non-NULL");
    CCAssert( dynamic_cast<CCParticleSystem*>(child) != NULL, "CCParticleBatchNode only supports CCQuadParticleSystems as children");
    CCAssert( m_pChildren->containsObject(child), "Child doesn't belong to batch" );

    CCParticleSystem* pChild = (CCParticleSystem*)(child);

    if( zOrder == child->getZOrder() ) 
    {
        return;
    }

    // no reordering if only 1 child
    if( m_pChildren->count() > 1)
    {
        unsigned int newIndex = 0, oldIndex = 0;

        getCurrentIndex(&oldIndex, &newIndex, pChild, zOrder);

        if( oldIndex != newIndex )
        {

            // reorder m_pChildren->array
            pChild->retain();
            m_pChildren->removeObjectAtIndex(oldIndex);
            m_pChildren->insertObject(pChild, newIndex);
            pChild->release();

            // save old altasIndex
            unsigned int oldAtlasIndex = pChild->getAtlasIndex();

            // update atlas index
            updateAllAtlasIndexes();

            // Find new AtlasIndex
            unsigned int newAtlasIndex = 0;
            for( unsigned int i=0;i < m_pChildren->count();i++)
            {
                CCParticleSystem* pNode = (CCParticleSystem*)m_pChildren->objectAtIndex(i);
                if( pNode == pChild ) 
                {
                    newAtlasIndex = pChild->getAtlasIndex();
                    break;
                }
            }

            // reorder textureAtlas quads
            m_pTextureAtlas->moveQuadsFromIndex(oldAtlasIndex, pChild->getTotalParticles(), newAtlasIndex);

            pChild->updateWithNoTime();
        }
    }

    pChild->_setZOrder(zOrder);
}
开发者ID:caoguoping,项目名称:warCraft,代码行数:57,代码来源:CCParticleBatchNode.cpp


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