mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-10-30 20:21:12 -06:00
58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2015 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/.
|
|
#include "deform_skeleton.h"
|
|
void igl::deform_skeleton(
|
|
const Eigen::MatrixXd & C,
|
|
const Eigen::MatrixXi & BE,
|
|
const std::vector<
|
|
Eigen::Affine3d,Eigen::aligned_allocator<Eigen::Affine3d> > & vA,
|
|
Eigen::MatrixXd & CT,
|
|
Eigen::MatrixXi & BET)
|
|
{
|
|
using namespace Eigen;
|
|
assert(BE.rows() == (int)vA.size());
|
|
CT.resize(2*BE.rows(),C.cols());
|
|
BET.resize(BE.rows(),2);
|
|
for(int e = 0;e<BE.rows();e++)
|
|
{
|
|
BET(e,0) = 2*e;
|
|
BET(e,1) = 2*e+1;
|
|
Affine3d a = vA[e];
|
|
Vector3d c0 = C.row(BE(e,0));
|
|
Vector3d c1 = C.row(BE(e,1));
|
|
CT.row(2*e) = a * c0;
|
|
CT.row(2*e+1) = a * c1;
|
|
}
|
|
|
|
}
|
|
|
|
IGL_INLINE void igl::deform_skeleton(
|
|
const Eigen::MatrixXd & C,
|
|
const Eigen::MatrixXi & BE,
|
|
const Eigen::MatrixXd & T,
|
|
Eigen::MatrixXd & CT,
|
|
Eigen::MatrixXi & BET)
|
|
{
|
|
using namespace Eigen;
|
|
//assert(BE.rows() == (int)vA.size());
|
|
CT.resize(2*BE.rows(),C.cols());
|
|
BET.resize(BE.rows(),2);
|
|
for(int e = 0;e<BE.rows();e++)
|
|
{
|
|
BET(e,0) = 2*e;
|
|
BET(e,1) = 2*e+1;
|
|
Matrix4d t;
|
|
t << T.block(e*4,0,4,3).transpose(), 0,0,0,0;
|
|
Affine3d a;
|
|
a.matrix() = t;
|
|
Vector3d c0 = C.row(BE(e,0));
|
|
Vector3d c1 = C.row(BE(e,1));
|
|
CT.row(2*e) = a * c0;
|
|
CT.row(2*e+1) = a * c1;
|
|
}
|
|
}
|