Method updateWorldMat

core/3d/Skeleton3D.cpp:71–78

update own world matrix and children's

// update own world matrix and children's
void Bone3D::updateWorldMat()
{
    getWorldMat();
    for (auto&& itor : _children)
    {
        itor->updateWorldMat();
    }
}

const Mat4& Bone3D::getWorldMat()
{