p9fj35fl6/Gazebo_exercise/gazebo7_7.14.0_exercise/gazebo/math/Plane.cc

103 lines
2.4 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "gazebo/math/Plane.hh"
using namespace gazebo;
using namespace math;
/////////////////////////////////////////////////
Plane::Plane()
{
this->d = 0.0;
}
/////////////////////////////////////////////////
Plane::Plane(const Vector3 &_normal, double _offset)
{
this->normal = _normal;
this->d = _offset;
}
/////////////////////////////////////////////////
Plane::Plane(const Vector3 &_normal, const Vector2d &_size, double _offset)
{
this->Set(_normal, _size, _offset);
}
/////////////////////////////////////////////////
Plane::Plane(const ignition::math::Planed &_plane)
{
this->Set(_plane.Normal(), _plane.Size(), _plane.Offset());
}
/////////////////////////////////////////////////
Plane::~Plane()
{
}
/////////////////////////////////////////////////
void Plane::Set(const Vector3 &_n, const Vector2d &_s, double _offset)
{
this->normal = _n;
this->size = _s;
this->d = _offset;
}
//////////////////////////////////////////////////
Plane &Plane::operator =(const Plane & _p)
{
this->normal = _p.normal;
this->size = _p.size;
this->d = _p.d;
return *this;
}
//////////////////////////////////////////////////
Plane &Plane::operator=(const ignition::math::Planed &_p)
{
this->normal = _p.Normal();
this->size = _p.Size();
this->d = _p.Offset();
return *this;
}
//////////////////////////////////////////////////
double Plane::Distance(const Vector3 &_origin, const Vector3 &_dir) const
{
double denom = this->normal.Dot(_dir);
if (fabs(denom) < 1e-3)
{
// parallel
return 0;
}
else
{
double nom = _origin.Dot(this->normal) - this->d;
double t = -(nom/denom);
return t;
}
}
//////////////////////////////////////////////////
ignition::math::Planed Plane::Ign() const
{
return ignition::math::Planed(this->normal.Ign(), this->size.Ign(), this->d);
}