text: /**
   * PANDA 3D SOFTWARE
   * Copyright (c) Carnegie Mellon University.  All rights reserved.
   *
   * All use of this software is subject to the terms of the revised BSD
   * license.  You should have received a copy of this license along
   * with this source code in a file named "LICENSE."
   *
   * @file cConstrainPosHprInterval.h
   * @author pratt
   * @date 2008-03-10
   */
  
  #ifndef CCONSTRAINPOSHPRINTERVAL_H
  #define CCONSTRAINPOSHPRINTERVAL_H
  
  #include "directbase.h"
  #include "cConstraintInterval.h"
  #include "nodePath.h"
  #include "lvecBase3.h"
  #include "lquaternion.h"
  
  /**
   * A constraint interval that will constrain the position and orientation of
   * one node to the position and orientation of another.
   */
  class EXPCL_DIRECT_INTERVAL CConstrainPosHprInterval : public CConstraintInterval {
  PUBLISHED:
    explicit CConstrainPosHprInterval(const string &name, double duration,
                                      const NodePath &node, const NodePath &target,
                                      bool wrt, const LVecBase3 posOffset=LVector3::zero(),
                                      const LVecBase3 hprOffset=LVector3::zero());
  
    INLINE const NodePath &get_node() const;
    INLINE const NodePath &get_target() const;
  
    virtual void priv_step(double t);
    virtual void output(ostream &out) const;
  
  private:
    NodePath _node;
    NodePath _target;
    bool _wrt;
    LVecBase3 _posOffset;
    LQuaternion _quatOffset;
  
  public:
    static TypeHandle get_class_type() {
      return _type_handle;
    }
    static void init_type() {
      CConstraintInterval::init_type();
      register_type(_type_handle, "CConstrainPosHprInterval",
                    CConstraintInterval::get_class_type());
    }
    virtual TypeHandle get_type() const {
      return get_class_type();
    }
    virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
  
  private:
    static TypeHandle _type_handle;
  };
  
  #include "cConstrainPosHprInterval.I"
  
  #endif
  