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remove drawers--these are deprecated, now replaced by RopeNode

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This commit is contained in:
David Rose 2007-01-23 21:55:15 +00:00
parent fc20b0248e
commit 972259b88e
12 changed files with 7 additions and 1020 deletions
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11
panda/src/parametrics/Sources.pp
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@ -4,17 +4,15 @@
#begin lib_target
#define TARGET parametrics
#define LOCAL_LIBS \
pgraph grutil linmath express putil pandabase
pgraph linmath express putil pandabase
#define COMBINED_SOURCES $[TARGET]_composite1.cxx $[TARGET]_composite2.cxx
#define SOURCES \
config_parametrics.h \
cubicCurveseg.h parametricCurveDrawer.I \
parametricCurveDrawer.h curveFitter.I curveFitter.h \
cubicCurveseg.h curveFitter.I curveFitter.h \
hermiteCurve.h \
nurbsCurve.I nurbsCurve.h \
nurbsCurveDrawer.I nurbsCurveDrawer.h \
nurbsCurveEvaluator.I nurbsCurveEvaluator.h \
nurbsCurveInterface.I nurbsCurveInterface.h \
nurbsCurveResult.I nurbsCurveResult.h \
@ -30,9 +28,8 @@
#define INCLUDED_SOURCES \
config_parametrics.cxx cubicCurveseg.cxx \
parametricCurveDrawer.cxx curveFitter.cxx hermiteCurve.cxx \
curveFitter.cxx hermiteCurve.cxx \
nurbsCurve.cxx \
nurbsCurveDrawer.cxx \
nurbsCurveEvaluator.cxx \
nurbsCurveInterface.cxx \
nurbsCurveResult.cxx \
@ -48,11 +45,9 @@
#define INSTALL_HEADERS \
config_parametrics.h \
cubicCurveseg.h \
parametricCurveDrawer.I parametricCurveDrawer.h \
curveFitter.I curveFitter.h \
hermiteCurve.h \
nurbsCurve.I nurbsCurve.h \
nurbsCurveDrawer.I nurbsCurveDrawer.h \
nurbsCurveEvaluator.I nurbsCurveEvaluator.h \
nurbsCurveInterface.I nurbsCurveInterface.h \
nurbsCurveResult.I nurbsCurveResult.h \

4
panda/src/parametrics/config_parametrics.cxx
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@ -21,10 +21,8 @@
#include "cubicCurveseg.h"
#include "curveFitter.h"
#include "hermiteCurve.h"
#include "nurbsCurveDrawer.h"
#include "nurbsCurveInterface.h"
#include "parametricCurve.h"
#include "parametricCurveDrawer.h"
#include "piecewiseCurve.h"
#include "ropeNode.h"
#include "sheetNode.h"
@ -37,10 +35,8 @@ ConfigureFn(config_parametrics) {
CubicCurveseg::init_type();
CurveFitter::init_type();
HermiteCurve::init_type();
NurbsCurveDrawer::init_type();
NurbsCurveInterface::init_type();
ParametricCurve::init_type();
ParametricCurveDrawer::init_type();
PiecewiseCurve::init_type();
RopeNode::init_type();
SheetNode::init_type();

31
panda/src/parametrics/nurbsCurveDrawer.I
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@ -1,31 +0,0 @@
// Filename: nurbsCurveDrawer.I
// Created by: drose (05Mar01)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::hilight
// Access: Published
// Description: Hilights a particular CV by showing it and its knot
// in a different color. Returns true if the CV exists
// and has been drawn, false otherwise.
////////////////////////////////////////////////////////////////////
INLINE bool NurbsCurveDrawer::
hilight(int n) {
return hilight(n, 1.0f, 1.0f, 0.0f);
}

296
panda/src/parametrics/nurbsCurveDrawer.cxx
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@ -1,296 +0,0 @@
// Filename: nurbsCurveDrawer.cxx
// Created by: drose (27Feb98)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#include "nurbsCurveDrawer.h"
#include "nurbsCurveInterface.h"
#include "parametricCurve.h"
TypeHandle NurbsCurveDrawer::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::Constructor
// Access: Published
// Description:
////////////////////////////////////////////////////////////////////
NurbsCurveDrawer::
NurbsCurveDrawer() {
set_cv_color(1.0f, 0.0f, 0.0f);
set_hull_color(1.0f, 0.5, 0.5);
set_knot_color(0.0f, 0.0f, 1.0f);
_cvs.set_thickness(4.0f);
_hull.set_thickness(1.0f);
_knots.set_thickness(4.0f);
_show_cvs = true;
_show_hull = true;
_show_knots = true;
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::Destructor
// Access: Published, Virtual
// Description:
////////////////////////////////////////////////////////////////////
NurbsCurveDrawer::
~NurbsCurveDrawer() {
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::set_cv_color
// Access: Published
// Description: Specifies the color of the CV's.
////////////////////////////////////////////////////////////////////
void NurbsCurveDrawer::
set_cv_color(float r, float g, float b) {
_cv_color.set(r, g, b);
_cvs.set_color(r, g, b);
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::set_knot_color
// Access: Published
// Description: Specifies the color of the knots.
////////////////////////////////////////////////////////////////////
void NurbsCurveDrawer::
set_knot_color(float r, float g, float b) {
_knot_color.set(r, g, b);
_knots.set_color(r, g, b);
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::set_hull_color
// Access: Published
// Description: Specifies the color of the convex hull.
////////////////////////////////////////////////////////////////////
void NurbsCurveDrawer::
set_hull_color(float r, float g, float b) {
_hull_color.set(r, g, b);
_hull.set_color(r, g, b);
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::draw
// Access: Published, Virtual
// Description:
////////////////////////////////////////////////////////////////////
bool NurbsCurveDrawer::
draw() {
// First, draw the curve itself.
if (!ParametricCurveDrawer::draw()) {
return false;
}
ParametricCurve *curve = (ParametricCurve *)NULL;
NurbsCurveInterface *nurbs = (NurbsCurveInterface *)NULL;
if (_curves != (ParametricCurveCollection *)NULL) {
curve = _curves->get_default_curve();
if (curve != (ParametricCurve *)NULL) {
nurbs = curve->get_nurbs_interface();
}
}
if (nurbs == (NurbsCurveInterface *)NULL) {
// The rest of this depends on having an actual NURBS curve.
return true;
}
int i;
if (_show_knots) {
_num_cvs = nurbs->get_num_cvs();
_knotnums.erase(_knotnums.begin(), _knotnums.end());
float lt = -1.0f;
int ki = -1;
for (i = 0; i < _num_cvs; i++) {
float t = nurbs->get_knot(i);
if (t != lt) {
lt = t;
LVecBase3f knot_pos;
curve->get_point(nurbs->get_knot(i), knot_pos);
_knots.move_to(knot_pos);
ki++;
}
_knotnums.push_back(ki);
}
_knots.create(_geom_node, _frame_accurate);
}
if (_show_cvs) {
_num_cvs = nurbs->get_num_cvs();
for (i = 0; i < _num_cvs; i++) {
_cvs.move_to(nurbs->get_cv_point(i));
}
_cvs.create(_geom_node, _frame_accurate);
}
if (_show_hull) {
_num_cvs = nurbs->get_num_cvs();
for (i = 0; i < _num_cvs; i++) {
_hull.draw_to(nurbs->get_cv_point(i));
}
_hull.create(_geom_node, _frame_accurate);
}
return true;
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::recompute
// Access: Published, Virtual
// Description:
////////////////////////////////////////////////////////////////////
bool NurbsCurveDrawer::
recompute(float t1, float t2, ParametricCurve *curve) {
return draw();
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::set_show_cvs
// Access: Published
// Description: Sets the flag that hides or shows the CV's.
////////////////////////////////////////////////////////////////////
void NurbsCurveDrawer::
set_show_cvs(bool flag) {
_show_cvs = flag;
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::get_show_cvs
// Access: Published
// Description: Returns the current state of the show-CV's flag.
////////////////////////////////////////////////////////////////////
bool NurbsCurveDrawer::
get_show_cvs() const {
return _show_cvs;
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::set_show_hull
// Access: Published
// Description: Sets the flag that hides or shows the convex hull.
////////////////////////////////////////////////////////////////////
void NurbsCurveDrawer::
set_show_hull(bool flag) {
_show_hull = flag;
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::get_show_hull
// Access: Published
// Description: Returns the current state of the show-hull flag.
////////////////////////////////////////////////////////////////////
bool NurbsCurveDrawer::
get_show_hull() const {
return _show_hull;
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::set_show_knots
// Access: Published
// Description: Sets the flag that hides or shows the knots.
////////////////////////////////////////////////////////////////////
void NurbsCurveDrawer::
set_show_knots(bool flag) {
_show_knots = flag;
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::get_show_knots
// Access: Published
// Description: Returns the current state of the show-knots flag.
////////////////////////////////////////////////////////////////////
bool NurbsCurveDrawer::
get_show_knots() const {
return _show_knots;
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::hilight
// Access: Published
// Description: Hilights a particular CV by showing it and its knot
// in a different color. Returns true if the CV exists
// and has been drawn, false otherwise.
////////////////////////////////////////////////////////////////////
bool NurbsCurveDrawer::
hilight(int n, float hr, float hg, float hb) {
if (n < 0 || n >= _cvs.get_num_vertices()) {
// Return false if we're out of range.
return false;
}
if (_show_cvs) {
_cvs.set_vertex_color(n, hr, hg, hb);
}
if (_show_knots) {
nassertr(_knotnums[n] >= 0 && _knotnums[n] < _knots.get_num_vertices(), false);
_knots.set_vertex_color(_knotnums[n], hr, hg, hb);
}
return true;
}
////////////////////////////////////////////////////////////////////
// Function: NurbsCurveDrawer::unhilight
// Access: Published
// Description: Removes the hilight previously set on a CV.
////////////////////////////////////////////////////////////////////
bool NurbsCurveDrawer::
unhilight(int n) {
if (n < 0 || n >= _cvs.get_num_vertices()) {
return false;
}
if (_show_cvs) {
_cvs.set_vertex_color(n, _cv_color[0], _cv_color[1], _cv_color[2]);
}
if (_show_knots) {
nassertr(_knotnums[n] >= 0 && _knotnums[n] < _knots.get_num_vertices(), false);
_knots.set_vertex_color(_knotnums[n],
_knot_color[0], _knot_color[1], _knot_color[2]);
}
return true;
}

88
panda/src/parametrics/nurbsCurveDrawer.h
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@ -1,88 +0,0 @@
// Filename: nurbsCurveDrawer.h
// Created by: drose (27Feb98)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#ifndef NURBSCURVEDRAWER_H
#define NURBSCURVEDRAWER_H
#include "pandabase.h"
#include "parametricCurveDrawer.h"
#include "lineSegs.h"
#include "vector_int.h"
////////////////////////////////////////////////////////////////////
// Class : NurbsCurveDrawer
// Description : Draws a Nurbs curve, also drawing in the control
// vertices and tangent vectors.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA NurbsCurveDrawer : public ParametricCurveDrawer {
PUBLISHED:
NurbsCurveDrawer();
virtual ~NurbsCurveDrawer();
void set_cv_color(float r, float g, float b);
void set_hull_color(float r, float g, float b);
void set_knot_color(float r, float g, float b);
virtual bool draw();
virtual bool recompute(float t1, float t2, ParametricCurve *curve=NULL);
void set_show_cvs(bool flag);
bool get_show_cvs() const;
void set_show_hull(bool flag);
bool get_show_hull() const;
void set_show_knots(bool flag);
bool get_show_knots() const;
INLINE bool hilight(int n);
bool hilight(int n, float hr, float hg, float hb);
bool unhilight(int n);
protected:
LVecBase3f _cv_color, _hull_color, _knot_color;
int _num_cvs, _num_hull, _num_knots;
LineSegs _hull, _knots, _cvs;
vector_int _knotnums;
bool _show_cvs, _show_hull, _show_knots;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
ParametricCurveDrawer::init_type();
register_type(_type_handle, "NurbsCurveDrawer",
ParametricCurveDrawer::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 "nurbsCurveDrawer.I"
#endif

3
panda/src/parametrics/parametricCurve.cxx
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@ -20,7 +20,6 @@
#include "config_parametrics.h"
#include "hermiteCurve.h"
#include "nurbsCurve.h"
#include "parametricCurveDrawer.h"
#include "datagram.h"
#include "datagramIterator.h"
@ -682,12 +681,14 @@ invalidate(float, float) {
////////////////////////////////////////////////////////////////////
void ParametricCurve::
invalidate_all() {
/*
DrawerList::iterator n;
for (n = _drawers.begin();
n != _drawers.end();
++n) {
(*n)->redraw();
}
*/
}
////////////////////////////////////////////////////////////////////

3
panda/src/parametrics/parametricCurveCollection.cxx
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@ -19,7 +19,6 @@
#include "parametricCurveCollection.h"
#include "config_parametrics.h"
#include "curveFitter.h"
#include "parametricCurveDrawer.h"
#include "nurbsCurve.h"
#include "indent.h"
@ -982,9 +981,11 @@ prepare_remove_curve(ParametricCurve *curve) {
////////////////////////////////////////////////////////////////////
void ParametricCurveCollection::
redraw() {
/*
DrawerList::iterator di;
for (di = _drawers.begin(); di != _drawers.end(); ++di) {
ParametricCurveDrawer *drawer = (*di);
drawer->redraw();
}
*/
}

44
panda/src/parametrics/parametricCurveDrawer.I
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@ -1,44 +0,0 @@
// Filename: parametricCurveDrawer.I
// Created by: drose (04Mar01)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::get_max_t
// Access: Published
// Description:
////////////////////////////////////////////////////////////////////
INLINE float ParametricCurveDrawer::
get_max_t() const {
if (_curves == (ParametricCurveCollection *)NULL) {
return 0.0f;
} else {
return _curves->get_max_t();
}
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::redraw
// Access: Public
// Description: Redraws the curve if it is currently visible.
////////////////////////////////////////////////////////////////////
INLINE void ParametricCurveDrawer::
redraw() {
if (_drawn) {
draw();
}
}

440
panda/src/parametrics/parametricCurveDrawer.cxx
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@ -1,440 +0,0 @@
// Filename: parametricCurveDrawer.cxx
// Created by: drose (14Mar97)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#include "parametricCurveDrawer.h"
#include "parametricCurve.h"
#include "config_parametrics.h"
TypeHandle ParametricCurveDrawer::_type_handle;
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::Constructor
// Access: Published
// Description:
////////////////////////////////////////////////////////////////////
ParametricCurveDrawer::
ParametricCurveDrawer() {
_lines.set_color(1.0f, 1.0f, 1.0f);
_ticks.set_color(1.0f, 0.0f, 0.0f);
_tick_scale = 0.1;
_num_segs = 100.0;
_num_ticks = 0.0f;
_frame_accurate = false;
_geom_node = new GeomNode("pcd");
_drawn = false;
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::Destructor
// Access: Published, Virtual
// Description:
////////////////////////////////////////////////////////////////////
ParametricCurveDrawer::
~ParametricCurveDrawer() {
hide();
// Unregister all the curves.
clear_curves();
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::set_curve
// Access: Published
// Description: Sets the drawer up to draw just the one curve.
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
set_curve(ParametricCurve *curve) {
PT(ParametricCurveCollection) curves = new ParametricCurveCollection();
curves->add_curve(curve);
set_curves(curves);
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::set_curves
// Access: Published
// Description: Sets the drawer up to draw the curves in the
// indicated collection. The drawer will actually draw
// just the first XYZ curve in the collection, but if
// one or more timewarps are present, this will affect
// the placement of tick marks.
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
set_curves(ParametricCurveCollection *curves) {
if (curves != _curves) {
// First, unregister the old curves.
if (_curves != (ParametricCurveCollection *)NULL) {
_curves->unregister_drawer(this);
}
_curves = curves;
// Now, register the new ones.
if (_curves != (ParametricCurveCollection *)NULL) {
_curves->register_drawer(this);
}
redraw();
}
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::clear_curves
// Access: Published
// Description: Empties the list of curves the drawer will update.
// It will draw nothing.
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
clear_curves() {
set_curves((ParametricCurveCollection *)NULL);
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::get_curves
// Access: Published
// Description:
////////////////////////////////////////////////////////////////////
ParametricCurveCollection *ParametricCurveDrawer::
get_curves() {
return _curves;
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::get_geom_node
// Access: Published
// Description: Returns a pointer to the drawer's GeomNode. This is
// where the drawer will build the visible
// representation of the curve. This GeomNode must be
// inserted into the scene graph to make the curve
// visible. The GeomNode remains connected to the drawer,
// so that future updates to the drawer will reflect in
// the GeomNode, and the GeomNode will be emptied when the
// drawer destructs. Also see detach_geom_node().
////////////////////////////////////////////////////////////////////
GeomNode *ParametricCurveDrawer::
get_geom_node() {
return _geom_node;
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::detach_geom_node
// Access: Published
// Description: Detaches the GeomNode from the drawer so that the
// drawing will remain after the death of the drawer.
// Returns the now-static GeomNode. A new, dynamic GeomNode
// is created for the drawer's future use; get_geom_node()
// will return this new GeomNode which will be empty until
// the next call to draw().
////////////////////////////////////////////////////////////////////
PT(GeomNode) ParametricCurveDrawer::
detach_geom_node() {
if (!_drawn) {
draw();
}
PT(GeomNode) g = _geom_node;
_geom_node = new GeomNode("pcd");
_drawn = false;
return g;
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::set_num_segs
// Access: Published
// Description: Specifies the number of line segments used to
// approximate the curve for each parametric unit. This
// just affects the visual appearance of the curve as it
// is drawn. The total number of segments drawn for the
// curve will be get_max_t() * get_num_segs().
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
set_num_segs(float num_segs) {
_num_segs = num_segs;
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::get_num_segs
// Access: Published
// Description: Returns the number of line segments used to
// approximate the curve for each parametric unit. This
// just affects the visual appearance of the curve as it
// is drawn. The total number of segments drawn for the
// curve will be get_max_t() * get_num_segs().
////////////////////////////////////////////////////////////////////
float ParametricCurveDrawer::
get_num_segs() const {
return _num_segs;
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::set_num_ticks
// Access: Published
// Description: Specifies the number of time tick marks drawn
// for each unit of time. These tick marks are drawn at
// equal increments in time to give a visual
// approximation of speed. Specify 0 to disable drawing
// of tick marks.
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
set_num_ticks(float num_ticks) {
_num_ticks = num_ticks;
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::get_num_ticks
// Access: Published
// Description: Returns the number of time tick marks per unit of
// time drawn.
////////////////////////////////////////////////////////////////////
float ParametricCurveDrawer::
get_num_ticks() const {
return _num_ticks;
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::set_color
// Access: Published
// Description: Specifies the color of the curve when it is drawn.
// The default is white.
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
set_color(float r, float g, float b) {
_lines.set_color(r, g, b);
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::set_color
// Access: Published
// Description: Specifies the color of the time tick marks drawn on
// the curve. The default is red.
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
set_tick_color(float r, float g, float b) {
_ticks.set_color(r, g, b);
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::set_thickness
// Access: Public
// Description: Specifies the thickness of the line in pixels drawn
// to represent the curve. Note that pixel thickness of
// a line segment is not supported by DirectX.
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
set_thickness(float thick) {
_lines.set_thickness(thick);
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::set_frame_accurate
// Access: Published
// Description: Specifies whether the curve drawn is to be
// frame-accurate. If true, then changes made to the
// curve dynamically after it has been drawn will be
// reflected correctly in the render window. If false,
// dynamic updates may be drawn before the rest of the
// scene has updated.
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
set_frame_accurate(bool frame_accurate) {
_frame_accurate = frame_accurate;
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::get_frame_accurate
// Access: Published
// Description: Returns whether the curve is drawn in frame-accurate
// mode.
////////////////////////////////////////////////////////////////////
bool ParametricCurveDrawer::
get_frame_accurate() const {
return _frame_accurate;
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::draw
// Access: Published, Virtual
// Description: Creates a series of line segments that approximates
// the curve. These line segments may be made visible
// by parenting the node returned by get_geom_node()
// into the scene graph.
////////////////////////////////////////////////////////////////////
bool ParametricCurveDrawer::
draw() {
// First, remove the old drawing, if any.
hide();
_drawn = true;
// If there's no curve, draw nothing and return false.
if (_curves == (ParametricCurveCollection *)NULL) {
return false;
}
ParametricCurve *xyz_curve = _curves->get_default_curve();
if (xyz_curve == (ParametricCurve *)NULL) {
return false;
}
// Otherwise, let's go to town!
// Make sure the curve(s) are fresh.
_curves->recompute();
int total_segs = (int)cfloor(_curves->get_max_t() * _num_segs + 0.5);
float max_t = xyz_curve->get_max_t();
float scale = max_t / (float)(total_segs-1);
float t;
LVecBase3f point;
bool last_in, next_in;
last_in = false;
int i;
for (i = 0; i < total_segs; i++) {
t = (float)i * scale;
next_in = xyz_curve->get_point(t, point);
if (!next_in || !last_in) {
_lines.move_to(point);
} else {
_lines.draw_to(point);
}
last_in = next_in;
}
_lines.create(_geom_node, _frame_accurate);
max_t = get_max_t();
scale = max_t / (float)(total_segs-1);
// Now draw the time tick marks.
if (_num_ticks > 0.0f) {
int total_ticks = (int)cfloor(max_t * _num_ticks + 0.5);
ParametricCurve *xyz_curve = _curves->get_default_curve();
// ParametricCurve *hpr_curve = _curves->get_hpr_curve();
scale = max_t / (float)total_ticks;
for (i = 0; i <= total_ticks; i++) {
t = (float)i * scale;
float t0 = _curves->evaluate_t(t);
LVecBase3f tangent;
if (xyz_curve->get_pt(t0, point, tangent)) {
// Draw crosses.
LVecBase3f t1, t2;
get_tick_marks(tangent, t1, t2);
_ticks.move_to(point - t1 * _tick_scale);
_ticks.draw_to(point + t1 * _tick_scale);
_ticks.move_to(point - t2 * _tick_scale);
_ticks.draw_to(point + t2 * _tick_scale);
}
}
_ticks.create(_geom_node, _frame_accurate);
}
return true;
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::hide
// Access: Published
// Description: Removes the lines that were created by a previous
// call to draw().
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
hide() {
_geom_node->remove_all_geoms();
_drawn = false;
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::set_tick_scale
// Access: Published
// Description: Sets the visible size of the time tick marks or
// geometry.
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
set_tick_scale(float scale) {
_tick_scale = scale;
redraw();
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::get_tick_scale
// Access: Published
// Description: Returns the size of the time tick marks or geometry.
////////////////////////////////////////////////////////////////////
float ParametricCurveDrawer::
get_tick_scale() const {
return _tick_scale;
}
////////////////////////////////////////////////////////////////////
// Function: ParametricCurveDrawer::get_tick_marks
// Access: Private, Static
// Description: Given a tangent vector, computes two vectors at right
// angles to the tangent and to each other, suitable for
// drawing as tick marks.
////////////////////////////////////////////////////////////////////
void ParametricCurveDrawer::
get_tick_marks(const LVecBase3f &tangent, LVecBase3f &t1, LVecBase3f &t2) {
LVector3f tn = tangent;
tn.normalize();
// Decide the smallest axis of tn and cross with the corresponding
// unit vector.
if (fabs(tn[0]) <= fabs(tn[1]) && fabs(tn[0]) <= fabs(tn[2])) {
// X is smallest.
t1 = tn.cross(LVector3f(1.0f, 0.0f, 0.0f));
} else if (fabs(tn[1]) <= fabs(tn[2])) {
// Y is smallest.
t1 = tn.cross(LVector3f(0.0f, 1.0f, 0.0f));
} else {
// Z is smallest.
t1 = tn.cross(LVector3f(0.0f, 0.0f, 1.0f));
}
t2 = tn.cross(t1);
}

105
panda/src/parametrics/parametricCurveDrawer.h
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@ -1,105 +0,0 @@
// Filename: parametricCurveDrawer.h
// Created by: drose (14Mar97)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://etc.cmu.edu/panda3d/docs/license/ .
//
// To contact the maintainers of this program write to
// panda3d-general@lists.sourceforge.net .
//
////////////////////////////////////////////////////////////////////
#ifndef PARAMETRICCURVEDRAWER_H
#define PARAMETRICCURVEDRAWER_H
#include "parametricCurveCollection.h"
#include "lineSegs.h"
#include "pandaNode.h"
#include "typedObject.h"
////////////////////////////////////////////////////////////////////
// Class : ParametricCurveDrawer
// Description : Draws a 3-d parametric curve in the scene by creating
// a series of line segments to approximate the curve.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA ParametricCurveDrawer : public TypedObject {
PUBLISHED:
ParametricCurveDrawer();
virtual ~ParametricCurveDrawer();
void set_curve(ParametricCurve *curve);
void set_curves(ParametricCurveCollection *curves);
void clear_curves();
ParametricCurveCollection *get_curves();
GeomNode *get_geom_node();
PT(GeomNode) detach_geom_node();
void set_num_segs(float num_segs);
float get_num_segs() const;
void set_num_ticks(float num_ticks);
float get_num_ticks() const;
void set_color(float r, float g, float b);
void set_tick_color(float r, float g, float b);
void set_thickness(float thick);
void set_frame_accurate(bool frame_accurate);
bool get_frame_accurate() const;
virtual bool draw();
void hide();
void set_tick_scale(float scale);
float get_tick_scale() const;
public:
INLINE float get_max_t() const;
INLINE void redraw();
private:
static void get_tick_marks(const LVecBase3f &tangent, LVecBase3f &t1, LVecBase3f &t2);
protected:
PT(GeomNode) _geom_node;
PT(ParametricCurveCollection) _curves;
bool _frame_accurate;
private:
float _num_segs;
LineSegs _lines, _ticks;
bool _drawn;
float _num_ticks;
float _tick_scale;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
register_type(_type_handle, "ParametricCurveDrawer",
TypedObject::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 "parametricCurveDrawer.I"
#endif

1
panda/src/parametrics/parametrics_composite1.cxx
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@ -2,5 +2,4 @@
#include "cubicCurveseg.cxx"
#include "curveFitter.cxx"
#include "hermiteCurve.cxx"
#include "nurbsCurveDrawer.cxx"
#include "nurbsCurveInterface.cxx"

1
panda/src/parametrics/parametrics_composite2.cxx
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@ -2,7 +2,6 @@
#include "piecewiseCurve.cxx"
#include "parametricCurve.cxx"
#include "parametricCurveCollection.cxx"
#include "parametricCurveDrawer.cxx"
#include "nurbsCurveEvaluator.cxx"
#include "nurbsCurveResult.cxx"
#include "nurbsSurfaceEvaluator.cxx"