+ printf(" transformation: %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f %f\n", node->mTransformation.a1, node->mTransformation.a2, node->mTransformation.a3, node->mTransformation.a4, node->mTransformation.b1, node->mTransformation.b2, node->mTransformation.b3, node->mTransformation.b4, node->mTransformation.c1, node->mTransformation.c2, node->mTransformation.c3, node->mTransformation.c4, node->mTransformation.d1, node->mTransformation.d2, node->mTransformation.d3, node->mTransformation.d4);