forked from blender/blender
116 lines
3.9 KiB
C++
116 lines
3.9 KiB
C++
/*
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* ConstraintSet.hpp
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*
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* Created on: Jan 5, 2009
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* Author: rubensmits
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*/
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#ifndef CONSTRAINTSET_HPP_
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#define CONSTRAINTSET_HPP_
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#include "kdl/frames.hpp"
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#include "eigen_types.hpp"
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#include "Cache.hpp"
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#include <vector>
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namespace iTaSC {
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enum ConstraintAction {
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ACT_NONE= 0,
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ACT_VALUE= 1,
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ACT_VELOCITY= 2,
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ACT_TOLERANCE= 4,
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ACT_FEEDBACK= 8,
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ACT_ALPHA= 16
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};
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struct ConstraintSingleValue {
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unsigned int id; // identifier of constraint value, depends on constraint
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unsigned int action;// action performed, compbination of ACT_..., set on return
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const double y; // actual constraint value
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const double ydot; // actual constraint velocity
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double yd; // current desired constraint value, changed on return
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double yddot; // current desired constraint velocity, changed on return
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ConstraintSingleValue(): id(0), action(0), y(0.0), ydot(0.0) {}
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};
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struct ConstraintValues {
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unsigned int id; // identifier of group of constraint values, depend on constraint
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unsigned short number; // number of constraints in list
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unsigned short action; // action performed, ACT_..., set on return
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double alpha; // constraint activation coefficient, should be [0..1]
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double tolerance; // current desired tolerance on constraint, same unit than yd, changed on return
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double feedback; // current desired feedback on error, in 1/sec, changed on return
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struct ConstraintSingleValue* values;
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ConstraintValues(): id(0), number(0), action(0), values(NULL) {}
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};
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class ConstraintSet;
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typedef bool (*ConstraintCallback)(const Timestamp& timestamp, struct ConstraintValues* const _values, unsigned int _nvalues, void* _param);
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class ConstraintSet {
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protected:
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unsigned int m_nc;
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e_scalar m_maxDeltaChi;
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e_matrix m_Cf;
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e_vector m_Wy,m_y,m_ydot;
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e_vector6 m_chi,m_chidot,m_S,m_temp,m_tdelta;
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e_matrix6 m_Jf,m_U,m_V,m_B,m_Jf_inv;
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KDL::Frame m_internalPose,m_externalPose;
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ConstraintCallback m_constraintCallback;
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void* m_constraintParam;
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void* m_poseParam;
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bool m_toggle;
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bool m_substep;
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double m_threshold;
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unsigned int m_maxIter;
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friend class Scene;
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virtual void modelUpdate(KDL::Frame& _external_pose,const Timestamp& timestamp);
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virtual void updateKinematics(const Timestamp& timestamp)=0;
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virtual void pushCache(const Timestamp& timestamp)=0;
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virtual void updateJacobian()=0;
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virtual void updateControlOutput(const Timestamp& timestamp)=0;
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virtual void initCache(Cache *_cache) = 0;
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virtual bool initialise(KDL::Frame& init_pose);
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virtual void reset(unsigned int nc,double accuracy,unsigned int maximum_iterations);
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virtual bool closeLoop();
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virtual double getMaxTimestep(double& timestep);
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public:
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ConstraintSet(unsigned int nc,double accuracy,unsigned int maximum_iterations);
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ConstraintSet();
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virtual ~ConstraintSet();
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EIGEN_MAKE_ALIGNED_OPERATOR_NEW
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virtual bool registerCallback(ConstraintCallback _function, void* _param)
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{
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m_constraintCallback = _function;
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m_constraintParam = _param;
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return true;
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}
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virtual const e_vector& getControlOutput()const{return m_ydot;};
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virtual const ConstraintValues* getControlParameters(unsigned int* _nvalues) = 0;
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virtual bool setControlParameters(ConstraintValues* _values, unsigned int _nvalues, double timestep=0.0) = 0;
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bool setControlParameter(int id, ConstraintAction action, double value, double timestep=0.0);
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virtual const e_matrix6& getJf() const{return m_Jf;};
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virtual const KDL::Frame& getPose() const{return m_internalPose;};
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virtual const e_matrix& getCf() const{return m_Cf;};
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virtual const e_vector& getWy() const {return m_Wy;};
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virtual void setWy(const e_vector& Wy_in){m_Wy = Wy_in;};
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virtual void setJointVelocity(const e_vector chidot_in){m_chidot = chidot_in;};
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virtual unsigned int getNrOfConstraints(){return m_nc;};
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void substep(bool _substep) {m_substep=_substep;}
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bool substep() {return m_substep;}
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};
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}
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#endif /* CONSTRAINTSET_HPP_ */
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