BulletUniversalJoint.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.
 *
*/
#ifndef _GAZEBO_BULLETUNIVERSALJOINT_HH_
#define _GAZEBO_BULLETUNIVERSALJOINT_HH_

#include "gazebo/physics/bullet/gzBtUniversalConstraint.hh"
#include "gazebo/physics/UniversalJoint.hh"
#include "gazebo/physics/bullet/BulletJoint.hh"
#include "gazebo/physics/bullet/BulletPhysics.hh"
#include "gazebo/util/system.hh"

class btUniversalConstraint;

namespace gazebo
{
  namespace physics
  {

    class GAZEBO_VISIBLE BulletUniversalJoint
      : public UniversalJoint<BulletJoint>
    {
      public: BulletUniversalJoint(btDynamicsWorld *world, BasePtr _parent);

      public: virtual ~BulletUniversalJoint();

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

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

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

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

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

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

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

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

      // 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);

      // Documentation inherited.
      public: virtual math::Angle GetHighStop(unsigned int _index);

      // Documentation inherited.
      public: virtual math::Angle GetLowStop(unsigned int _index);

      // Documentation inherited. \sa Joint::GetGlobalAxis
      public: virtual math::Vector3 GetGlobalAxis(unsigned int _index) const;

      // Documentation inherited. \sa Joint::GetAngleImpl
      public: virtual math::Angle GetAngleImpl(unsigned int _index) const;

      // Documentation inherited. \sa void BulletJoint::SetForceImpl
      protected: virtual void SetForceImpl(unsigned int _index, double _torque);

      private: gzBtUniversalConstraint *bulletUniversal;

      private: double angleOffset[2];

      private: math::Vector3 initialWorldAxis[2];
    };
  }
}
#endif