Method getNormalsCount

COLLADAFramework/src/COLLADAFWMesh.cpp:172–213

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    //----------------------------------
    const size_t Mesh::getNormalsCount() const
    {
        // The number of normals in the current mesh.
        size_t numNormals = 0;

        // We have to go through every mesh primitive.
        const MeshPrimitiveArray& meshPrimitives = this->getMeshPrimitives ();
        size_t count = meshPrimitives.getCount ();
        for ( size_t i=0; i<count; ++i )
        {
            // Get the current primitive element.
            const MeshPrimitive* meshPrimitive = meshPrimitives [ i ];

            // Get the normal indices of the current primitive.
            const UIntValuesArray& normalIndices = meshPrimitive->getNormalIndices ();

            switch ( meshPrimitive->getPrimitiveType () )
            {
            case COLLADAFW::MeshPrimitive::TRIANGLE_FANS:
            case COLLADAFW::MeshPrimitive::TRIANGLE_STRIPS:
                {
                    COLLADAFW::MeshPrimitiveWithFaceVertexCount<unsigned int>* trifans = (COLLADAFW::MeshPrimitiveWithFaceVertexCount<unsigned int>*) meshPrimitive;
                    COLLADAFW::MeshPrimitiveWithFaceVertexCount<unsigned int>::VertexCountArray& vertexCountArray = trifans->getGroupedVerticesVertexCountArray ();
                    size_t groupedVtxCount = vertexCountArray.getCount ();
                    for ( size_t groupedVtxIndex=0; groupedVtxIndex<groupedVtxCount; ++groupedVtxIndex )
                    {
                        // Iterate over the indices and write their normal values into the maya file.
                        size_t indexCount = vertexCountArray[groupedVtxIndex]; //normalIndices.getCount();
                        numNormals += (indexCount - 2) * 3;
                    }
                }
                break;
            default:
                {
                    // Add the normals to the sum of normals
                    numNormals += normalIndices.getCount ();
                }
            }
        }

        return numNormals;
    }

    //----------------------------------
    const size_t Mesh::getFacesCount() const