--- /dev/null
+// navigation display texture
+//
+// Written by James Turner, forked from wxradar code
+//
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+//
+//
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "NavDisplay.hxx"
+
+#include <osg/Array>
+#include <osg/Geometry>
+#include <osg/Matrixf>
+#include <osg/PrimitiveSet>
+#include <osg/StateSet>
+#include <osg/LineWidth>
+
+#include <osg/Version>
+#include <osgDB/ReaderWriter>
+#include <osgDB/WriteFile>
+
+#include <simgear/constants.h>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/scene/model/model.hxx>
+#include <simgear/structure/exception.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/math/sg_geodesy.hxx>
+
+#include <sstream>
+#include <iomanip>
+#include <iostream> // for cout, endl
+
+using std::stringstream;
+using std::endl;
+using std::setprecision;
+using std::fixed;
+using std::setw;
+using std::setfill;
+using std::cout;
+using std::endl;
+
+#include <Main/fg_props.hxx>
+#include <Main/globals.hxx>
+#include <Cockpit/panel.hxx>
+#include <Navaids/routePath.hxx>
+#include <Autopilot/route_mgr.hxx>
+#include <Navaids/navrecord.hxx>
+#include <Navaids/navlist.hxx>
+#include <Navaids/fix.hxx>
+#include <Airports/simple.hxx>
+#include <Airports/runways.hxx>
+
+#include "instrument_mgr.hxx"
+#include "od_gauge.hxx"
+
+static const float UNIT = 1.0f / 8.0f; // 8 symbols in a row/column in the texture
+static const char *DEFAULT_FONT = "typewriter.txf";
+
+NavDisplay::NavDisplay(SGPropertyNode *node) :
+ _name(node->getStringValue("name", "nd")),
+ _num(node->getIntValue("number", 0)),
+ _time(0.0),
+ _interval(node->getDoubleValue("update-interval-sec", 1.0)),
+ _elapsed_time(0),
+ _persistance(0),
+ _sim_init_done(false),
+ _odg(0),
+ _scale(0),
+ _angle_offset(0),
+ _view_heading(0),
+ _x_offset(0),
+ _y_offset(0),
+ _radar_ref_rng(0),
+ _lat(0),
+ _lon(0),
+ _resultTexture(0),
+ _font_size(0),
+ _font_spacing(0),
+ _rangeNm(0)
+{
+ _Instrument = fgGetNode(string("/instrumentation/" + _name).c_str(), _num, true);
+ _font_node = _Instrument->getNode("font", true);
+
+#define INITFONT(p, val, type) if (!_font_node->hasValue(p)) _font_node->set##type##Value(p, val)
+ INITFONT("name", DEFAULT_FONT, String);
+ INITFONT("size", 8, Float);
+ INITFONT("line-spacing", 0.25, Float);
+ INITFONT("color/red", 0, Float);
+ INITFONT("color/green", 0.8, Float);
+ INITFONT("color/blue", 0, Float);
+ INITFONT("color/alpha", 1, Float);
+#undef INITFONT
+
+}
+
+
+NavDisplay::~NavDisplay()
+{
+}
+
+
+void
+NavDisplay::init ()
+{
+ _serviceable_node = _Instrument->getNode("serviceable", true);
+
+ // texture name to use in 2D and 3D instruments
+ _texture_path = _Instrument->getStringValue("radar-texture-path",
+ "Aircraft/Instruments/Textures/od_wxradar.rgb");
+ _resultTexture = FGTextureManager::createTexture(_texture_path.c_str(), false);
+
+ string path = _Instrument->getStringValue("symbol-texture-path",
+ "Aircraft/Instruments/Textures/nd-symbols.png");
+ SGPath tpath = globals->resolve_aircraft_path(path);
+
+ // no mipmap or else alpha will mix with pixels on the border of shapes, ruining the effect
+ _symbols = SGLoadTexture2D(tpath, NULL, false, false);
+
+ FGInstrumentMgr *imgr = (FGInstrumentMgr *)globals->get_subsystem("instrumentation");
+ _odg = (FGODGauge *)imgr->get_subsystem("od_gauge");
+ _odg->setSize(_Instrument->getIntValue("texture-size", 512));
+
+
+ _user_lat_node = fgGetNode("/position/latitude-deg", true);
+ _user_lon_node = fgGetNode("/position/longitude-deg", true);
+ _user_alt_node = fgGetNode("/position/altitude-ft", true);
+
+ SGPropertyNode *n = _Instrument->getNode("display-controls", true);
+ _radar_weather_node = n->getNode("WX", true);
+ _radar_position_node = n->getNode("pos", true);
+ _radar_data_node = n->getNode("data", true);
+ _radar_symbol_node = n->getNode("symbol", true);
+ _radar_centre_node = n->getNode("centre", true);
+ _radar_tcas_node = n->getNode("tcas", true);
+ _radar_absalt_node = n->getNode("abs-altitude", true);
+
+ _ai_enabled_node = fgGetNode("/sim/ai/enabled", true);
+ _route = static_cast<FGRouteMgr*>(globals->get_subsystem("route-manager"));
+
+// OSG geometry setup
+ _radarGeode = new osg::Geode;
+ osg::StateSet *stateSet = _radarGeode->getOrCreateStateSet();
+ stateSet->setTextureAttributeAndModes(0, _symbols.get());
+
+ osg::LineWidth *lw = new osg::LineWidth();
+ lw->setWidth(2.0);
+ stateSet->setAttribute(lw);
+
+ _geom = new osg::Geometry;
+ _geom->setUseDisplayList(false);
+ // Initially allocate space for 128 quads
+ _vertices = new osg::Vec2Array;
+ _vertices->setDataVariance(osg::Object::DYNAMIC);
+ _vertices->reserve(128 * 4);
+ _geom->setVertexArray(_vertices);
+ _texCoords = new osg::Vec2Array;
+ _texCoords->setDataVariance(osg::Object::DYNAMIC);
+ _texCoords->reserve(128 * 4);
+ _geom->setTexCoordArray(0, _texCoords);
+
+ osg::Vec3Array *colors = new osg::Vec3Array;
+ colors->push_back(osg::Vec3(1.0f, 1.0f, 1.0f)); // color of echos
+ _geom->setColorBinding(osg::Geometry::BIND_PER_PRIMITIVE_SET);
+ _geom->setColorArray(colors);
+
+ _symbolPrimSet = new osg::DrawArrays(osg::PrimitiveSet::QUADS);
+ _symbolPrimSet->setDataVariance(osg::Object::DYNAMIC);
+ _geom->addPrimitiveSet(_symbolPrimSet);
+
+ _geom->setInitialBound(osg::BoundingBox(osg::Vec3f(-256.0f, -256.0f, 0.0f),
+ osg::Vec3f(256.0f, 256.0f, 0.0f)));
+ _radarGeode->addDrawable(_geom);
+ _odg->allocRT();
+ // Texture in the 2D panel system
+ FGTextureManager::addTexture(_texture_path.c_str(), _odg->getTexture());
+
+ _lineGeometry = new osg::Geometry;
+ _lineGeometry->setUseDisplayList(false);
+
+ _lineVertices = new osg::Vec2Array;
+ _lineVertices->setDataVariance(osg::Object::DYNAMIC);
+ _lineVertices->reserve(128 * 4);
+ _lineGeometry->setVertexArray(_vertices);
+
+
+ _lineColors = new osg::Vec3Array;
+ _lineColors->setDataVariance(osg::Object::DYNAMIC);
+ _lineGeometry->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
+ _lineGeometry->setColorArray(colors);
+
+ _linePrimSet = new osg::DrawArrays(osg::PrimitiveSet::LINES);
+ _linePrimSet->setDataVariance(osg::Object::DYNAMIC);
+ _lineGeometry->addPrimitiveSet(_linePrimSet);
+
+ _lineGeometry->setInitialBound(osg::BoundingBox(osg::Vec3f(-256.0f, -256.0f, 0.0f),
+ osg::Vec3f(256.0f, 256.0f, 0.0f)));
+
+ _radarGeode->addDrawable(_lineGeometry);
+
+ _textGeode = new osg::Geode;
+
+ osg::Camera *camera = _odg->getCamera();
+ camera->addChild(_radarGeode.get());
+ camera->addChild(_textGeode.get());
+
+ updateFont();
+}
+
+
+// Local coordinates for each echo
+const osg::Vec3f symbolCoords[4] = {
+ osg::Vec3f(-.7f, -.7f, 0.0f), osg::Vec3f(.7f, -.7f, 0.0f),
+ osg::Vec3f(.7f, .7f, 0.0f), osg::Vec3f(-.7f, .7f, 0.0f)
+};
+
+
+const osg::Vec2f symbolTexCoords[4] = {
+ osg::Vec2f(0.0f, 0.0f), osg::Vec2f(UNIT, 0.0f),
+ osg::Vec2f(UNIT, UNIT), osg::Vec2f(0.0f, UNIT)
+};
+
+
+// helper
+static void
+addQuad(osg::Vec2Array *vertices, osg::Vec2Array *texCoords,
+ const osg::Matrixf& transform, const osg::Vec2f& texBase)
+{
+ for (int i = 0; i < 4; i++) {
+ const osg::Vec3f coords = transform.preMult(symbolCoords[i]);
+ texCoords->push_back(texBase + symbolTexCoords[i]);
+ vertices->push_back(osg::Vec2f(coords.x(), coords.y()));
+ }
+}
+
+
+// Rotate by a heading value
+static inline
+osg::Matrixf wxRotate(float angle)
+{
+ return osg::Matrixf::rotate(angle, 0.0f, 0.0f, -1.0f);
+}
+
+
+void
+NavDisplay::update (double delta_time_sec)
+{
+ if (!fgGetBool("sim/sceneryloaded", false)) {
+ return;
+ }
+
+ if (!_odg || !_serviceable_node->getBoolValue()) {
+ _Instrument->setStringValue("status", "");
+ return;
+ }
+
+ _time += delta_time_sec;
+ if (_time < _interval){
+ return;
+ }
+ _time -= _interval;
+
+ string mode = _Instrument->getStringValue("display-mode", "arc");
+ _rangeNm = _Instrument->getFloatValue("range", 40.0);
+ _view_heading = fgGetDouble("/orientation/heading-deg") * SG_DEGREES_TO_RADIANS;
+ _scale = 200.0;
+
+ bool centre = _radar_centre_node->getBoolValue();
+ if (centre) {
+ _centerTrans = osg::Matrixf::identity();
+ } else {
+ _centerTrans = osg::Matrixf::identity();
+ }
+
+ _drawData = _radar_data_node->getBoolValue();
+ _pos = SGGeod::fromDegFt(_user_lon_node->getDoubleValue(),
+ _user_lat_node->getDoubleValue(),
+ _user_alt_node->getDoubleValue());
+
+ _vertices->clear();
+ _lineVertices->clear();
+ _lineColors->clear();
+ _texCoords->clear();
+ _textGeode->removeDrawables(0, _textGeode->getNumDrawables());
+
+ update_aircraft();
+ update_route();
+
+
+ _symbolPrimSet->set(osg::PrimitiveSet::QUADS, 0, _vertices->size());
+ _symbolPrimSet->dirty();
+ _linePrimSet->set(osg::PrimitiveSet::LINES, 0, _lineVertices->size());
+ _linePrimSet->dirty();
+}
+
+osg::Matrixf NavDisplay::project(const SGGeod& geod) const
+{
+ double rangeM, bearing, az2;
+ SGGeodesy::inverse(_pos, geod, bearing, az2, rangeM);
+
+ double radius = ((rangeM * SG_METER_TO_NM) / _rangeNm) * _scale;
+ bearing *= SG_DEGREES_TO_RADIANS;
+
+ return osg::Matrixf(wxRotate(_view_heading - bearing)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+
+}
+
+void
+NavDisplay::addSymbol(const SGGeod& pos, int symbolIndex, const std::string& data)
+{
+ int symbolRow = symbolIndex >> 4;
+ int symbolColumn = symbolIndex & 0x0f;
+
+ const osg::Vec2f texBase(UNIT * symbolColumn, UNIT * symbolRow);
+ float size = 600 * UNIT;
+
+ osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
+ * project(pos));
+ addQuad(_vertices, _texCoords, m, texBase);
+
+ if (!_drawData) {
+ return;
+ }
+
+// add data drawable
+ osgText::Text* text = new osgText::Text;
+ text->setFont(_font.get());
+ text->setFontResolution(12, 12);
+ text->setCharacterSize(_font_size);
+
+ osg::Vec3 dataPos = m.preMult(osg::Vec3(16, 16, 0));
+ text->setLineSpacing(_font_spacing);
+
+ text->setAlignment(osgText::Text::LEFT_CENTER);
+ text->setText(data);
+ text->setPosition(osg::Vec3((int) dataPos.x(), (int)dataPos.y(), 0));
+ _textGeode->addDrawable(text);
+}
+
+void
+NavDisplay::update_route()
+{
+ if (_route->numWaypts() < 2) {
+ return;
+ }
+
+ RoutePath path(_route->waypts());
+ for (int w=0; w<_route->numWaypts(); ++w) {
+ bool isPast = w < _route->currentIndex();
+ SGGeodVec gv(path.pathForIndex(w));
+ if (!gv.empty()) {
+ osg::Vec3 color(1.0, 0.0, 1.0);
+ if (isPast) {
+ color = osg::Vec3(0.5, 0.5, 0.5);
+ }
+
+ osg::Vec3 pr = project(gv[0]).preMult(osg::Vec3(0.0, 0.0, 0.0));
+ for (unsigned int i=1; i<gv.size(); ++i) {
+ _lineVertices->push_back(osg::Vec2(pr.x(), pr.y()));
+ pr = project(gv[i]).preMult(osg::Vec3(0.0, 0.0, 0.0));
+ _lineVertices->push_back(osg::Vec2(pr.x(), pr.y()));
+
+ _lineColors->push_back(color);
+ _lineColors->push_back(color);
+ }
+ } // of line drawing
+
+ flightgear::WayptRef wpt(_route->wayptAtIndex(w));
+ SGGeod g = path.positionForIndex(w);
+ int symbolIndex = isPast ? 1 : 0;
+ if (!(g == SGGeod())) {
+ std::string data = wpt->ident();
+ addSymbol(g, symbolIndex, data);
+ }
+ } // of waypoints iteration
+}
+
+void
+NavDisplay::update_aircraft()
+{
+ if (!_ai_enabled_node->getBoolValue()) {
+ return;
+ }
+
+ bool draw_tcas = _radar_tcas_node->getBoolValue();
+ bool draw_absolute = _radar_absalt_node->getBoolValue();
+ bool draw_echoes = _radar_position_node->getBoolValue();
+ bool draw_symbols = _radar_symbol_node->getBoolValue();
+ bool draw_data = _radar_data_node->getBoolValue();
+ if (!draw_echoes && !draw_symbols && !draw_data)
+ return;
+
+ const SGPropertyNode *ai = fgGetNode("/ai/models", true);
+ for (int i = ai->nChildren() - 1; i >= 0; i--) {
+ const SGPropertyNode *model = ai->getChild(i);
+ if (!model->nChildren()) {
+ continue;
+ }
+
+ double echo_radius, sigma;
+ const string name = model->getName();
+
+ if (name == "aircraft" || name == "tanker")
+ echo_radius = 1, sigma = 1;
+ else if (name == "multiplayer" || name == "wingman" || name == "static")
+ echo_radius = 1.5, sigma = 1;
+ else if (name == "ship" || name == "carrier" || name == "escort" ||name == "storm")
+ echo_radius = 1.5, sigma = 100;
+ else if (name == "thermal")
+ echo_radius = 2, sigma = 100;
+ else if (name == "rocket")
+ echo_radius = 0.1, sigma = 0.1;
+ else if (name == "ballistic")
+ echo_radius = 0.001, sigma = 0.001;
+ else
+ continue;
+
+ SGGeod aiModelPos = SGGeod::fromDegFt(model->getDoubleValue("position/longitude-deg"),
+ model->getDoubleValue("position/latitude-deg"),
+ model->getDoubleValue("position/altitude-ft"));
+
+ double heading = model->getDoubleValue("orientation/true-heading-deg");
+ double rangeM, bearing, az2;
+ SGGeodesy::inverse(_pos, aiModelPos, bearing, az2, rangeM);
+
+ // if (!inRadarRange(sigma, rangeM))
+ // continue;
+
+ bearing *= SG_DEGREES_TO_RADIANS;
+ heading *= SG_DEGREES_TO_RADIANS;
+
+ float radius = rangeM * _scale;
+ // float angle = relativeBearing(bearing, _view_heading);
+
+ bool is_tcas_contact = false;
+ if (draw_tcas)
+ {
+ is_tcas_contact = update_tcas(model,rangeM,
+ _pos.getElevationFt(),
+ aiModelPos.getElevationFt(),
+ bearing,radius,draw_absolute);
+ }
+
+ // data mode
+ if (draw_symbols && (!draw_tcas)) {
+ const osg::Vec2f texBase(0, 3 * UNIT);
+ float size = 600 * UNIT;
+ osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
+ * wxRotate(heading - bearing)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+ addQuad(_vertices, _texCoords, m, texBase);
+ }
+
+ if (draw_data || is_tcas_contact) {
+ update_data(model, aiModelPos.getElevationFt(), heading, radius, bearing, false);
+ }
+ } // of ai models iteration
+}
+
+/** Update TCAS display.
+ * Return true when processed as TCAS contact, false otherwise. */
+bool
+NavDisplay::update_tcas(const SGPropertyNode *model,double range,double user_alt,double alt,
+ double bearing,double radius,bool absMode)
+{
+ int threatLevel=0;
+ {
+ // update TCAS symbol
+ osg::Vec2f texBase;
+ threatLevel = model->getIntValue("tcas/threat-level",-1);
+ if (threatLevel == -1)
+ {
+ // no TCAS information (i.e. no transponder) => not visible to TCAS
+ return false;
+ }
+ int row = 7 - threatLevel;
+ int col = 4;
+ double vspeed = model->getDoubleValue("velocities/vertical-speed-fps");
+ if (vspeed < -3.0) // descending
+ col+=1;
+ else
+ if (vspeed > 3.0) // climbing
+ col+=2;
+ texBase = osg::Vec2f(col*UNIT,row * UNIT);
+ float size = 200 * UNIT;
+ osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
+ * wxRotate(-bearing)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+ addQuad(_vertices, _texCoords, m, texBase);
+ }
+
+ {
+ // update TCAS data
+ osgText::Text *altStr = new osgText::Text;
+ altStr->setFont(_font.get());
+ altStr->setFontResolution(12, 12);
+ altStr->setCharacterSize(_font_size);
+ altStr->setColor(_tcas_colors[threatLevel]);
+ osg::Matrixf m(wxRotate(-bearing)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+
+ osg::Vec3 pos = m.preMult(osg::Vec3(16, 16, 0));
+ // cast to int's, otherwise text comes out ugly
+ altStr->setLineSpacing(_font_spacing);
+
+ stringstream text;
+ altStr->setAlignment(osgText::Text::LEFT_CENTER);
+ int altDif = (alt-user_alt+50)/100;
+ char sign = 0;
+ int dy=0;
+ if (altDif>=0)
+ {
+ sign='+';
+ dy=2;
+ }
+ else
+ if (altDif<0)
+ {
+ sign='-';
+ altDif = -altDif;
+ dy=-30;
+ }
+ altStr->setPosition(osg::Vec3((int)pos.x()-30, (int)pos.y()+dy, 0));
+ if (absMode)
+ {
+ // absolute altitude display
+ text << setprecision(0) << fixed
+ << setw(3) << setfill('0') << alt/100 << endl;
+ }
+ else // relative altitude display
+ if (sign)
+ {
+ text << sign
+ << setprecision(0) << fixed
+ << setw(2) << setfill('0') << altDif << endl;
+ }
+
+ altStr->setText(text.str());
+ _textGeode->addDrawable(altStr);
+ }
+
+ return true;
+}
+
+void NavDisplay::update_data(const SGPropertyNode *ac, double altitude, double heading,
+ double radius, double bearing, bool selected)
+{
+ osgText::Text *callsign = new osgText::Text;
+ callsign->setFont(_font.get());
+ callsign->setFontResolution(12, 12);
+ callsign->setCharacterSize(_font_size);
+ callsign->setColor(selected ? osg::Vec4(1, 1, 1, 1) : _font_color);
+ osg::Matrixf m(wxRotate(-bearing)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+
+ osg::Vec3 pos = m.preMult(osg::Vec3(16, 16, 0));
+ // cast to int's, otherwise text comes out ugly
+ callsign->setPosition(osg::Vec3((int)pos.x(), (int)pos.y(), 0));
+ callsign->setAlignment(osgText::Text::LEFT_BOTTOM_BASE_LINE);
+ callsign->setLineSpacing(_font_spacing);
+
+ const char *identity = ac->getStringValue("transponder-id");
+ if (!identity[0])
+ identity = ac->getStringValue("callsign");
+
+ stringstream text;
+ text << identity << endl
+ << setprecision(0) << fixed
+ << setw(3) << setfill('0') << heading * SG_RADIANS_TO_DEGREES << "\xB0 "
+ << setw(0) << altitude << "ft" << endl
+ << ac->getDoubleValue("velocities/true-airspeed-kt") << "kts";
+
+ callsign->setText(text.str());
+ _textGeode->addDrawable(callsign);
+}
+
+void
+NavDisplay::updateFont()
+{
+ float red = _font_node->getFloatValue("color/red");
+ float green = _font_node->getFloatValue("color/green");
+ float blue = _font_node->getFloatValue("color/blue");
+ float alpha = _font_node->getFloatValue("color/alpha");
+ _font_color.set(red, green, blue, alpha);
+
+ _font_size = _font_node->getFloatValue("size");
+ _font_spacing = _font_size * _font_node->getFloatValue("line-spacing");
+ string path = _font_node->getStringValue("name", DEFAULT_FONT);
+
+ SGPath tpath;
+ if (path[0] != '/') {
+ tpath = globals->get_fg_root();
+ tpath.append("Fonts");
+ tpath.append(path);
+ } else {
+ tpath = path;
+ }
+
+#if (FG_OSG_VERSION >= 21000)
+ osg::ref_ptr<osgDB::ReaderWriter::Options> fontOptions = new osgDB::ReaderWriter::Options("monochrome");
+ osg::ref_ptr<osgText::Font> font = osgText::readFontFile(tpath.c_str(), fontOptions.get());
+#else
+ osg::ref_ptr<osgText::Font> font = osgText::readFontFile(tpath.c_str());
+#endif
+
+ if (font != 0) {
+ _font = font;
+ _font->setMinFilterHint(osg::Texture::NEAREST);
+ _font->setMagFilterHint(osg::Texture::NEAREST);
+ _font->setGlyphImageMargin(0);
+ _font->setGlyphImageMarginRatio(0);
+ }
+
+ for (int i=0;i<4;i++)
+ {
+ const float defaultColors[4][3] = {{0,1,1},{0,1,1},{1,0.5,0},{1,0,0}};
+ SGPropertyNode_ptr color_node = _font_node->getNode("tcas/color",i,true);
+ float red = color_node->getFloatValue("red",defaultColors[i][0]);
+ float green = color_node->getFloatValue("green",defaultColors[i][1]);
+ float blue = color_node->getFloatValue("blue",defaultColors[i][2]);
+ float alpha = color_node->getFloatValue("alpha",1);
+ _tcas_colors[i]=osg::Vec4(red, green, blue, alpha);
+ }
+}
+
+
projects / flightgear.git / commitdiff