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C++ Geometry::getTexCoordArrayList方法代码示例

本文整理汇总了C++中osg::Geometry::getTexCoordArrayList方法的典型用法代码示例。如果您正苦于以下问题:C++ Geometry::getTexCoordArrayList方法的具体用法?C++ Geometry::getTexCoordArrayList怎么用?C++ Geometry::getTexCoordArrayList使用的例子?那么恭喜您, 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osg::Geometry的用法示例。


在下文中一共展示了Geometry::getTexCoordArrayList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: handleNewVertices

void Tessellator::handleNewVertices(osg::Geometry& geom,VertexPtrToIndexMap &vertexPtrToIndexMap)
{
    if (!_newVertexList.empty())
    {
        
        osg::Vec3Array* vertices = dynamic_cast<osg::Vec3Array*>(geom.getVertexArray());
        osg::Vec3Array* normals = NULL;
        if (geom.getNormalBinding()==osg::Geometry::BIND_PER_VERTEX)
        {
            normals = dynamic_cast<osg::Vec3Array*>(geom.getNormalArray());
        }
        
        typedef std::vector<osg::Array*> ArrayList;
        ArrayList arrays;
        
        if (geom.getColorBinding()==osg::Geometry::BIND_PER_VERTEX)
        {
            arrays.push_back(geom.getColorArray());
        }
        
        if (geom.getSecondaryColorBinding()==osg::Geometry::BIND_PER_VERTEX)
        {
            arrays.push_back(geom.getSecondaryColorArray());
        }
        
        if (geom.getFogCoordBinding()==osg::Geometry::BIND_PER_VERTEX)
        {
            arrays.push_back(geom.getFogCoordArray());
        }
        
        osg::Geometry::ArrayDataList& tcal = geom.getTexCoordArrayList();
        for(osg::Geometry::ArrayDataList::iterator tcalItr=tcal.begin();
            tcalItr!=tcal.end();
            ++tcalItr)
        {
            if (tcalItr->array.valid()) 
            {
                arrays.push_back(tcalItr->array.get());
            }
        }
        
        // now add any new vertices that are required.
        for(NewVertexList::iterator itr=_newVertexList.begin();
            itr!=_newVertexList.end();
            ++itr)
        {
            NewVertex& newVertex = (*itr);
            osg::Vec3* vertex = newVertex._vpos;
            
            // assign vertex.
            vertexPtrToIndexMap[vertex]=vertices->size();
            vertices->push_back(*vertex);
            
            // assign normals
            if (normals)
            {
                osg::Vec3 norm(0.0f,0.0f,0.0f);
                if (newVertex._v1) norm += (*normals)[vertexPtrToIndexMap[newVertex._v1]] * newVertex._f1;
                if (newVertex._v2) norm += (*normals)[vertexPtrToIndexMap[newVertex._v2]] * newVertex._f2;
                if (newVertex._v3) norm += (*normals)[vertexPtrToIndexMap[newVertex._v3]] * newVertex._f3;
                if (newVertex._v4) norm += (*normals)[vertexPtrToIndexMap[newVertex._v4]] * newVertex._f4;
                norm.normalize();
                normals->push_back(norm);
            }
            
            if (!arrays.empty())
            {
                InsertNewVertices inv(newVertex._f1,vertexPtrToIndexMap[newVertex._v1],
                    newVertex._f2,vertexPtrToIndexMap[newVertex._v2],
                    newVertex._f3,vertexPtrToIndexMap[newVertex._v3],
                    newVertex._f4,vertexPtrToIndexMap[newVertex._v4]);
                
                // assign the rest of the attributes.
                for(ArrayList::iterator aItr=arrays.begin();
                aItr!=arrays.end();
                ++aItr)
                {
                    (*aItr)->accept(inv);
                }
            }
        }
        
    }
    
}
开发者ID:seafengl,项目名称:osg-by-google,代码行数:85,代码来源:Tessellator.cpp


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