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C++ PNode::isDrawable方法代码示例

本文整理汇总了C++中PNode::isDrawable方法的典型用法代码示例。如果您正苦于以下问题:C++ PNode::isDrawable方法的具体用法?C++ PNode::isDrawable怎么用?C++ PNode::isDrawable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PNode的用法示例。


在下文中一共展示了PNode::isDrawable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: ni

PShadowPass::PShadowPass(const pchar *name, PScene *scene)
    : PRenderPass(name, scene)
{
    PResourceManager *resMgr = m_scene->context()->module<PResourceManager>("resource-manager");
    
    const puint32 *r = m_scene->context()->rect();

    puint32 bufferWidth;
    puint32 bufferHeight;
    switch (scene->shadowQuality())
    {
        case PScene::SHADOWQUALITY_HIGH:
            bufferWidth  = r[2];
            bufferHeight = r[3];
            break;
        case PScene::SHADOWQUALITY_NORMAL:
            bufferWidth  = r[2] / 2;
            bufferHeight = r[3] / 2;
            break;
        case PScene::SHADOWQUALITY_LOW:
            bufferWidth  = r[2] / 4;
            bufferHeight = r[3] / 4;
            break;
    } 

    m_framebuffer = P_NULL;

    PNode::iterator ni(m_scene->root());

    PNode *n = *ni; 

    n = *(++ni);

    puint32 numDrawables = 0;

    while (n != P_NULL)
    {
        // Put opaque drawables which cast shadows into the render queue.
        if (n->isDrawable())
        {
            PDrawable *drawable = reinterpret_cast<PDrawable *>(n);
            PASSERT(drawable != P_NULL);

            if (drawable->castShadow())
            {
                PMaterial *material = drawable->material();
                if ((material != P_NULL && !drawable->material()->isTransparent()) ||
                    material == P_NULL)
                {
                    m_renderQueue->addNode(drawable);
                    numDrawables++;
                }
            }
        }
        else
        {
            // The first directional light that cast shadow will be the 
            // shadow light source.
            PAbstractLight *light = dynamic_cast<PAbstractLight *>(n);
            if (light != P_NULL && 
                light->type() == P_LIGHT_DIRECTIONAL)
            {
                if (((PDirectionalLight *)light)->castShadow())
                {
                    m_camera = PNEW(PCamera("shadow-camera", m_scene));
                    m_camera->fromLight((PDirectionalLight *)light, scene->bbox());
                    m_camera->setFixed(true);
                }
            }
        }

        n = *(++ni);
    }

    if (m_camera != P_NULL && numDrawables)
    {
        m_framebuffer = resMgr->createFrameBuffer(P_NULL,
                                                  bufferWidth,
                                                  bufferHeight,
                                                  P_GLTEXTURE_FORMAT_RGBA8888,
                                                  P_GLTEXTURE_FORMAT_DEPTH_COMPONENT16);
    }

    if (numDrawables == 0)
    {
        PDELETE(m_camera);
    }
}
开发者ID:Freedom000,项目名称:FutureInterface,代码行数:88,代码来源:pshadowpass.cpp


注:本文中的PNode::isDrawable方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。