in collada we have 1 array of data for each vertex data (positions, normals, texcoords…) and 1 array of indices (
) with the indices to all arrays.
then when I draw it with opengl I get the array of vertices and the array of vertex indices from
glVertexPointer(3, GL_FLOAT, 0, (*iter2)->vertexdata);
glDrawElements(GL_TRIANGLES, (*iter2)->nindices, GL_UNSIGNED_INT, (*iter2)->indices);
it works but I have no idea about how to send all data (positions, normals, texcoords) to opengl, because I can send only 1 array of indices with glDrawElements and I have 3 arrays of indices in
will I have to convert the arrays into new vertex, texcoords and normal array with single index array? or maybe other way to send the data to opengl?