106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
// Filename: parametricCurveDrawer.h
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// Created by: drose (14Mar97)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef PARAMETRICCURVEDRAWER_H
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#define PARAMETRICCURVEDRAWER_H
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#include "parametricCurveCollection.h"
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#include "lineSegs.h"
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#include "pandaNode.h"
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#include "typedObject.h"
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////////////////////////////////////////////////////////////////////
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// Class : ParametricCurveDrawer
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// Description : Draws a 3-d parametric curve in the scene by creating
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// a series of line segments to approximate the curve.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA ParametricCurveDrawer : public TypedObject {
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PUBLISHED:
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ParametricCurveDrawer();
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virtual ~ParametricCurveDrawer();
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void set_curve(ParametricCurve *curve);
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void set_curves(ParametricCurveCollection *curves);
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void clear_curves();
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ParametricCurveCollection *get_curves();
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GeomNode *get_geom_node();
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PT(GeomNode) detach_geom_node();
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void set_num_segs(float num_segs);
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float get_num_segs() const;
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void set_num_ticks(float num_ticks);
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float get_num_ticks() const;
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void set_color(float r, float g, float b);
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void set_tick_color(float r, float g, float b);
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void set_thickness(float thick);
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void set_frame_accurate(bool frame_accurate);
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bool get_frame_accurate() const;
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virtual bool draw();
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void hide();
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void set_tick_scale(float scale);
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float get_tick_scale() const;
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public:
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INLINE float get_max_t() const;
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INLINE void redraw();
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private:
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static void get_tick_marks(const LVecBase3f &tangent, LVecBase3f &t1, LVecBase3f &t2);
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protected:
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PT(GeomNode) _geom_node;
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PT(ParametricCurveCollection) _curves;
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bool _frame_accurate;
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private:
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float _num_segs;
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LineSegs _lines, _ticks;
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bool _drawn;
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float _num_ticks;
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float _tick_scale;
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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, "ParametricCurveDrawer",
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TypedObject::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "parametricCurveDrawer.I"
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#endif
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