BulletScrewJoint.hh

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/*
 * Copyright (C) 2012-2014 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.
 *
*/
/* Desc: A screw or primastic joint
 * Author: Nate Koenig
 * Date: 24 May 2009
 */

#ifndef _BULLETSCREWJOINT_HH_
#define _BULLETSCREWJOINT_HH_

#include <string>

#include "gazebo/physics/bullet/BulletJoint.hh"
#include "gazebo/physics/ScrewJoint.hh"
#include "gazebo/util/system.hh"

namespace gazebo
{
  namespace physics
  {
    class btScrewConstraint;


    class GAZEBO_VISIBLE BulletScrewJoint : public ScrewJoint<BulletJoint>
    {
      public: BulletScrewJoint(btDynamicsWorld *_world, BasePtr _parent);

      public: virtual ~BulletScrewJoint();

      public: virtual void Load(sdf::ElementPtr _sdf);

      // Documentation inherited
      public: virtual math::Vector3 GetAnchor(unsigned int _index) const;

      // Documentation inherited
      public: virtual void SetAnchor(unsigned int _index,
                  const math::Vector3 &_anchor);

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

      public: void SetAxis(unsigned int _index, const math::Vector3 &_axis);

      // Documentation inherited
      public: virtual void SetThreadPitch(unsigned int _index,
                  double _threadPitch);

      // Documentation inherited
      public: virtual void SetThreadPitch(double _threadPitch);

      // Documentation inherited
      public: virtual double GetThreadPitch(unsigned int _index);

      // Documentation inherited
      public: virtual double GetThreadPitch();

      // Documentation inherited.
      public: virtual bool SetHighStop(unsigned int _index,
                  const math::Angle &_angle);

      // Documentation inherited.
      public: virtual bool SetLowStop(unsigned int _index,
                  const math::Angle &_angle);

      public: virtual double GetVelocity(unsigned int _index) const;

      public: virtual void SetVelocity(unsigned int _index, double _vel);

      public: virtual void SetMaxForce(unsigned int _index, double _force);

      public: virtual double GetMaxForce(unsigned int _index);

      public: virtual math::Vector3 GetGlobalAxis(unsigned int _index) const;

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

      // Documentation inherited.
      protected: virtual math::Angle GetAngleImpl(unsigned int _index) const;

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

      private: btScrewConstraint *bulletScrew;

      private: math::Vector3 initialWorldAxis;
    };
  }
}
#endif