BulletHingeJoint.hh

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/*
 * 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.
 *
*/
#ifndef _GAZEBO_BULLETHINGEJOINT_HH_
#define _GAZEBO_BULLETHINGEJOINT_HH_

#include <string>
#include "gazebo/math/Vector3.hh"
#include "gazebo/physics/HingeJoint.hh"
#include "gazebo/physics/bullet/BulletJoint.hh"
#include "gazebo/physics/bullet/BulletPhysics.hh"
#include "gazebo/util/system.hh"

class btHingeConstraint;

namespace gazebo
{
  namespace physics
  {

    class GZ_PHYSICS_VISIBLE BulletHingeJoint : public HingeJoint<BulletJoint>
    {
      public: BulletHingeJoint(btDynamicsWorld *world, BasePtr _parent);

      public: virtual ~BulletHingeJoint();

      // Documentation inherited.
      protected: virtual void Load(sdf::ElementPtr _sdf);

      // Documentation inherited.
      public: virtual void Init();

      // Documentation inherited.
      public: virtual ignition::math::Vector3d Anchor(
          const unsigned int _index) const;

      // Documentation inherited.
      public: virtual void SetAxis(const unsigned int _index,
                  const ignition::math::Vector3d &_axis);

      // Documentation inherited.
      public: virtual void SetVelocity(unsigned int _index, double _vel);

      // Documentation inherited.
      public: virtual double GetVelocity(unsigned int _index) const;

      // Documentation inherited.
      public: virtual void SetUpperLimit(const unsigned int _index,
                                         const double _limit);

      // Documentation inherited.
      public: virtual void SetLowerLimit(const unsigned int _index,
                                         const double _limit);

      // Documentation inherited.
      public: virtual double UpperLimit(const unsigned int _index) const;

      // Documentation inherited.
      public: virtual double LowerLimit(const unsigned int _index) const;

      // Documentation inherited.
      public: virtual ignition::math::Vector3d GlobalAxis(
          const unsigned int _index) const;

      // Documentation inherited.
      public: virtual double PositionImpl(const unsigned int _index) const;

      // Documentation inherited.
      public: virtual bool SetParam(const std::string &_key,
                                    unsigned int _index,
                                    const boost::any &_value);

      // Documentation inherited.
      public: virtual double GetParam(const std::string &_key,
                                      unsigned int _index);

      // Documentation inherited.
      protected: virtual void SetForceImpl(unsigned int _index, double _effort);

      private: btHingeConstraint *bulletHinge;

      private: double angleOffset;

      private: ignition::math::Vector3d initialWorldAxis;
    };
  }
}
#endif