dust3d/third_party/libigl/include/igl/snap_to_fixed_up.h

40 lines
1.0 KiB
C++

// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_SNAP_TO_FIXED_UP_H
#define IGL_SNAP_TO_FIXED_UP_H
#include "igl_inline.h"
#include <Eigen/Core>
#include <Eigen/Geometry>
namespace igl
{
// Snap an arbitrary rotation to a rotation resulting from a rotation about
// the y-axis then the x-axis (maintaining fixed up like
// two_axis_valuator_fixed_up.)
//
// Inputs:
// q General rotation as quaternion
// Outputs:
// s the resulting rotation (as quaternion)
//
// See also: two_axis_valuator_fixed_up
template <typename Qtype>
IGL_INLINE void snap_to_fixed_up(
const Eigen::Quaternion<Qtype> & q,
Eigen::Quaternion<Qtype> & s);
}
#ifndef IGL_STATIC_LIBRARY
# include "snap_to_fixed_up.cpp"
#endif
#endif