本文整理汇总了C++中DrawElementsUInt::index方法的典型用法代码示例。如果您正苦于以下问题：C++ DrawElementsUInt::index方法的具体用法？C++ DrawElementsUInt::index怎么用？C++ DrawElementsUInt::index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类DrawElementsUInt的用法示例。
在下文中一共展示了DrawElementsUInt::index方法的2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: updateVertexMaskingVector
/***************************************************************
* Function: updateVertexMaskingVector()
*
* 'updateVertexMaskingVector' without input value: checks all
* 'CAVEGeometry' objects and mark vertices of selected geometries
* in 'mVertexMaskingVector', and vertices clusters of them.
*
***************************************************************/
void CAVEGeodeShape::updateVertexMaskingVector()
{
mVertexMaskingVector.clear();
mVertexMaskingVector.resize(mNumVertices, false);
if (mGeometryVector.size() <= 0) return;
for (int i = 0; i < mGeometryVector.size(); i++)
{
if (mGeometryVector[i]->mDOCollectorIndex >= 0)
{
/* mark single indices contained in mGeometryVector[i] */
unsigned int nPrimitiveSets = mGeometryVector[i]->getNumPrimitiveSets();
if (nPrimitiveSets > 0)
{
for (int j = 0; j < nPrimitiveSets; j++)
{
PrimitiveSet *primSetRef = mGeometryVector[i]->getPrimitiveSet(j);
/* support primitive set 'DrawElementsUInt', add more types of primitive sets here if needed */
DrawElementsUInt* drawElementUIntRef = dynamic_cast <DrawElementsUInt*> (primSetRef);
if (drawElementUIntRef)
{
unsigned int nIdices = drawElementUIntRef->getNumIndices();
if (nIdices > 0)
{
for (int k = 0; k < nIdices; k++)
{
const int index = drawElementUIntRef->index(k);
mVertexMaskingVector[index] = true;
}
}
}
}
}
/* mark clustered indices contained in 'mIndexClusterVector' */
const int numClusters = mGeometryVector[i]->mIndexClusterVector.size();
for (int j = 0; j < numClusters; j++)
{
CAVEGeometry::IndexClusterBase *clusterPtr = mGeometryVector[i]->mIndexClusterVector[j];
for (int k = 0; k < clusterPtr->mNumIndices; k++)
{
const int index = clusterPtr->mIndexVector[k];
mVertexMaskingVector[index] = true;
}
}
}
}
}示例2: mDOCollectorIndex
//Constructor: Making deep copy of 'refGeometry' without copy of 'mDOCollectorIndex'
CAVEGeometry::CAVEGeometry(CAVEGeometry *refGeometry): mDOCollectorIndex(-1)
{
/* copy primitive set and index clusters */
unsigned int nPrimitiveSets = refGeometry->getNumPrimitiveSets();
if (nPrimitiveSets > 0)
{
for (int i = 0; i < nPrimitiveSets; i++)
{
PrimitiveSet* primSetRef = refGeometry->getPrimitiveSet(i);
/* support primitive set 'DrawElementsUInt', add more types of primitive sets here if needed */
DrawElementsUInt* drawElementUIntRef = dynamic_cast <DrawElementsUInt*> (primSetRef);
if (drawElementUIntRef)
{
unsigned int nIdices = drawElementUIntRef->getNumIndices();
const GLenum &mode = drawElementUIntRef->getMode();
/* create duplicated primitive set, copy index field and add it to 'this' */
DrawElementsUInt* drawElementUIntDup = new DrawElementsUInt(mode, 0);
if (nIdices > 0)
{
for (int j = 0; j < nIdices; j++) drawElementUIntDup->push_back(drawElementUIntRef->index(j));
}
addPrimitiveSet(drawElementUIntDup);
}
}
}
/* copy the field of overlapping index by calling addIndexCluster() function sets */
const IndexClusterVector &refClusterVector = refGeometry->mIndexClusterVector;
if (refClusterVector.size() > 0)
{
for (IndexClusterVector::const_iterator itrCluster = refClusterVector.begin();
itrCluster != refClusterVector.end(); itrCluster++)
{
IndexClusterBase *clusterPtr = *itrCluster;
addIndexCluster(clusterPtr);
}
}
}