107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file curveFitter.h
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* @author drose
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* @date 1998-09-17
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*/
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#ifndef CURVEFITTER_H
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#define CURVEFITTER_H
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#include "pandabase.h"
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#include "luse.h"
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#include "parametricCurveCollection.h"
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#include "typedef.h"
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#include "pvector.h"
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class HermiteCurve;
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class ParametricCurve;
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class NurbsCurve;
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/**
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*
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*/
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class EXPCL_PANDA_PARAMETRICS CurveFitter {
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PUBLISHED:
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CurveFitter();
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~CurveFitter();
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void reset();
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void add_xyz(PN_stdfloat t, const LVecBase3 &xyz);
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void add_hpr(PN_stdfloat t, const LVecBase3 &hpr);
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void add_xyz_hpr(PN_stdfloat t, const LVecBase3 &xyz, const LVecBase3 &hpr);
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int get_num_samples() const;
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PN_stdfloat get_sample_t(int n) const;
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LVecBase3 get_sample_xyz(int n) const;
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LVecBase3 get_sample_hpr(int n) const;
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LVecBase3 get_sample_tangent(int n) const;
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void remove_samples(int begin, int end);
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void sample(ParametricCurveCollection *curves, int count);
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void wrap_hpr();
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void sort_points();
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void desample(PN_stdfloat factor);
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void compute_tangents(PN_stdfloat scale);
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PT(ParametricCurveCollection) make_hermite() const;
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PT(ParametricCurveCollection) make_nurbs() const;
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void output(std::ostream &out) const;
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void write(std::ostream &out) const;
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public:
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class DataPoint {
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public:
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INLINE DataPoint();
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INLINE void output(std::ostream &out) const;
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INLINE bool operator < (const DataPoint &other) const;
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PN_stdfloat _t;
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LVecBase3 _xyz;
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LVecBase3 _hpr;
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LVecBase3 _tangent;
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LVecBase3 _hpr_tangent;
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};
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typedef pvector<DataPoint> Data;
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Data _data;
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bool _got_xyz;
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bool _got_hpr;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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register_type(_type_handle, "CurveFitter");
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}
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private:
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static TypeHandle _type_handle;
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};
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INLINE std::ostream &operator << (std::ostream &out, const CurveFitter::DataPoint &dp) {
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dp.output(out);
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return out;
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}
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INLINE std::ostream &operator << (std::ostream &out, const CurveFitter &cf) {
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cf.output(out);
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return out;
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}
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#include "curveFitter.I"
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#endif
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