Added osghud, a head up display demo.

This commit is contained in:
Robert Osfield 2002-04-15 11:03:31 +00:00
parent 1c1b29809b
commit 0222f10d27
6 changed files with 491 additions and 2 deletions

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# Microsoft Developer Studio Project File - Name="Demo osghud" - Package Owner=<4>
# Microsoft Developer Studio Generated Build File, Format Version 6.00
# ** DO NOT EDIT **
# TARGTYPE "Win32 (x86) Console Application" 0x0103
CFG=Demo osghud - Win32 Release
!MESSAGE This is not a valid makefile. To build this project using NMAKE,
!MESSAGE use the Export Makefile command and run
!MESSAGE
!MESSAGE NMAKE /f "osghud.mak".
!MESSAGE
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!MESSAGE by defining the macro CFG on the command line. For example:
!MESSAGE
!MESSAGE NMAKE /f "osghud.mak" CFG="Demo osghud - Win32 Release"
!MESSAGE
!MESSAGE Possible choices for configuration are:
!MESSAGE
!MESSAGE "Demo osghud - Win32 Release" (based on "Win32 (x86) Console Application")
!MESSAGE "Demo osghud - Win32 Debug" (based on "Win32 (x86) Console Application")
!MESSAGE
# Begin Project
# PROP AllowPerConfigDependencies 0
# PROP Scc_ProjName ""
# PROP Scc_LocalPath ""
CPP=cl.exe
RSC=rc.exe
!IF "$(CFG)" == "Demo osghud - Win32 Release"
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LINK32=link.exe
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# ADD LINK32 /nologo /subsystem:console /pdb:none /machine:I386 /out:"../../../bin/osghud.exe" /libpath:"../../../lib"
!ELSEIF "$(CFG)" == "Demo osghud - Win32 Debug"
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# ADD CPP /nologo /MDd /W3 /Gm /vd0 /GR /GX /Zi /Od /I "../../../include" /D "_CONSOLE" /D "_MBCS" /D "WIN32" /D "_DEBUG" /D "FL_DLL" /FR /YX /FD /c
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LINK32=link.exe
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
# ADD LINK32 glut32.lib glu32.lib opengl32.lib /nologo /subsystem:console /debug /machine:I386 /nodefaultlib:"libcmt" /out:"../../../bin/osghudd.exe" /pdbtype:sept /libpath:"../../../lib"
# SUBTRACT LINK32 /incremental:no
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# Begin Target
# Name "Demo osghud - Win32 Release"
# Name "Demo osghud - Win32 Debug"
# Begin Source File
SOURCE=..\..\..\src\Demos\osghud\osghud.cpp
# End Source File
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@ -74,7 +74,7 @@ BSC32=bscmake.exe
# ADD BSC32 /nologo # ADD BSC32 /nologo
LINK32=link.exe LINK32=link.exe
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept # ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:console /debug /machine:I386 /pdbtype:sept
# ADD LINK32 /nologo /subsystem:console /debug /machine:I386 /nodefaultlib:"libcmt" /out:"../../../bin/osgtextd.exe" /pdbtype:sept /libpath:"../../../lib" # ADD LINK32 glut32.lib glu32.lib opengl32.lib /nologo /subsystem:console /debug /machine:I386 /nodefaultlib:"libcmt" /out:"../../../bin/osgtextd.exe" /pdbtype:sept /libpath:"../../../lib"
# SUBTRACT LINK32 /incremental:no # SUBTRACT LINK32 /incremental:no
!ENDIF !ENDIF
@ -85,7 +85,7 @@ LINK32=link.exe
# Name "Demo osgtext - Win32 Debug" # Name "Demo osgtext - Win32 Debug"
# Begin Source File # Begin Source File
SOURCE=..\..\..\src\Demos\osgtext\main.cpp SOURCE=..\..\..\src\Demos\osgtext\osgtext.cpp
# End Source File # End Source File
# End Target # End Target
# Begin Group "Resource Files" # Begin Group "Resource Files"

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@ -201,6 +201,33 @@ Package=<4>
############################################################################### ###############################################################################
Project: "Demo osghud"=.\Demos\osghud\osghud.dsp - Package Owner=<4>
Package=<5>
{{{
}}}
Package=<4>
{{{
Begin Project Dependency
Project_Dep_Name Core osg
End Project Dependency
Begin Project Dependency
Project_Dep_Name Core osgDB
End Project Dependency
Begin Project Dependency
Project_Dep_Name Core osgGLUT
End Project Dependency
Begin Project Dependency
Project_Dep_Name Core osgUtil
End Project Dependency
Begin Project Dependency
Project_Dep_Name Core osgText
End Project Dependency
}}}
###############################################################################
Project: "Demo osgimpostor"=.\Demos\osgimpostor\osgimpostor.dsp - Package Owner=<4> Project: "Demo osgimpostor"=.\Demos\osgimpostor\osgimpostor.dsp - Package Owner=<4>
Package=<5> Package=<5>

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@ -8,6 +8,7 @@ DIRS = \
osgconv\ osgconv\
osgcopy\ osgcopy\
osgcube\ osgcube\
osghud\
osgimpostor\ osgimpostor\
osgreflect\ osgreflect\
osgscribe\ osgscribe\

16
src/Demos/osghud/Makefile Normal file
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TOPDIR = ../../..
include $(TOPDIR)/Make/makedefs
CXXFILES =\
osghud.cpp\
LINKARGS += -L/usr/local/lib
LIBS += -losgText $(OSG_LIBS) $(FREETYPE_LIB) $(GLUT_LIB) $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
INSTFILES = \
$(CXXFILES)\
Makefile.inst=Makefile
EXEC = osghud
include $(TOPDIR)/Make/makerules

350
src/Demos/osghud/osghud.cpp Normal file
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#include <osg/GL>
#include <osgGLUT/glut>
#include <osgGLUT/Viewer>
#include <osg/Transform>
#include <osg/Projection>
#include <osg/Billboard>
#include <osg/Geode>
#include <osg/Group>
#include <osg/Notify>
#include <osg/Material>
#include <osg/Transparency>
#include <osg/Depth>
#include <osgDB/Registry>
#include <osgDB/ReadFile>
#include <osgUtil/TrackballManipulator>
#include <osgUtil/FlightManipulator>
#include <osgUtil/DriveManipulator>
#include <osgText/Text>
#include <osgUtil/Optimizer>
void write_usage(std::ostream& out,const std::string& name)
{
out << std::endl;
out <<"usage:"<< std::endl;
out <<" "<<name<<" [options] infile1 [infile2 ...]"<< std::endl;
out << std::endl;
out <<"options:"<< std::endl;
out <<" -l libraryName - load plugin of name libraryName"<< std::endl;
out <<" i.e. -l osgdb_pfb"<< std::endl;
out <<" Useful for loading reader/writers which can load"<< std::endl;
out <<" other file formats in addition to its extension."<< std::endl;
out <<" -e extensionName - load reader/wrter plugin for file extension"<< std::endl;
out <<" i.e. -e pfb"<< std::endl;
out <<" Useful short hand for specifying full library name as"<< std::endl;
out <<" done with -l above, as it automatically expands to"<< std::endl;
out <<" the full library name appropriate for each platform."<< std::endl;
out <<std::endl;
out <<" -stereo - switch on stereo rendering, using the default of,"<< std::endl;
out <<" ANAGLYPHIC or the value set in the OSG_STEREO_MODE "<< std::endl;
out <<" environmental variable. See doc/stereo.html for "<< std::endl;
out <<" further details on setting up accurate stereo "<< std::endl;
out <<" for your system. "<< std::endl;
out <<" -stereo ANAGLYPHIC - switch on anaglyphic(red/cyan) stereo rendering."<< std::endl;
out <<" -stereo QUAD_BUFFER - switch on quad buffered stereo rendering."<< std::endl;
out <<std::endl;
out <<" -stencil - use a visual with stencil buffer enabled, this "<< std::endl;
out <<" also allows the depth complexity statistics mode"<< std::endl;
out <<" to be used (press 'p' three times to cycle to it)."<< std::endl;
out << std::endl;
}
///////////////////////////////////////////////////////////////////////////////
// globals
#define TEXT_POLYGON "Polygon Font - jygq"
#define TEXT_OUTLINE "Outline Font - jygq"
#define TEXT_TEXTURE "Texture Font - jygq"
#define TEXT_BITMAP "Bitmap Font - jygq"
#define TEXT_PIXMAP "Pixmap Font - jygq"
#define TEXT_COL_2D osg::Vec4(.9,.9,.9,1)
#define TEXT_COL_3D osg::Vec4(.99,.3,.2,1)
std::string ttfPath("fonts/times.ttf");
std::string ttfPath1("fonts/arial.ttf");
int gFontSize=18;
int gFontSize1=24;
std::vector<osg::ref_ptr<osgText::Text > > gTextList;
osgText::Text::AlignmentType gAlignment=osgText::Text::LEFT_BOTTOM;
void set2dScene(osg::Group* rootNode)
{
osgText::Text* text;
osg::Geode* geode;
osg::Material* textMaterial;
osg::StateSet* textState;
double xOffset=150;
double yOffset=gFontSize+10;
///////////////////////////////////////////////////////////////////////////
// setup the texts
///////////////////////////////////////////////////////////////////////////
// BitmapFont
osgText::BitmapFont* bitmapFont= osgNew osgText::BitmapFont(ttfPath,
gFontSize1);
text= osgNew osgText::Text(bitmapFont);
gTextList.push_back(text);
text->setText(std::string("2d ")+std::string(TEXT_BITMAP));
text->setPosition(osg::Vec3(xOffset,yOffset,0));
text->setDrawMode( osgText::Text::TEXT |
osgText::Text::BOUNDINGBOX |
osgText::Text::ALIGNEMENT );
text->setAlignment(gAlignment);
geode = osgNew osg::Geode();
geode->setName("BitmapFont");
geode->addDrawable( text );
textMaterial = osgNew osg::Material();
textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK, TEXT_COL_2D);
textState = osgNew osg::StateSet();
textState->setAttribute(textMaterial );
geode->setStateSet( textState );
rootNode->addChild(geode);
xOffset+=90;
yOffset+=120;
///////////////////////////////////////////////////////////////////////////
// PixmapFont
osgText::PixmapFont* pixmapFont= osgNew osgText::PixmapFont(ttfPath,
gFontSize1);
text= osgNew osgText::Text(pixmapFont);
gTextList.push_back(text);
text->setText(std::string("2d ")+std::string(TEXT_PIXMAP));
text->setPosition(osg::Vec3(xOffset,yOffset,0));
text->setDrawMode( osgText::Text::TEXT |
osgText::Text::BOUNDINGBOX |
osgText::Text::ALIGNEMENT );
text->setAlignment(gAlignment);
geode = osgNew osg::Geode();
geode->setName("PixmapFont");
geode->addDrawable( text );
textMaterial = osgNew osg::Material();
textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK,TEXT_COL_2D);
// to get antiaA pixmapFonts we have to draw them with blending
osg::Transparency *transp= osgNew osg::Transparency();
transp->setFunction(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
textState = osgNew osg::StateSet();
textState->setAttribute(textMaterial );
textState->setAttribute(transp);
textState->setMode(GL_BLEND,osg::StateAttribute::ON);
textState->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
geode->setStateSet( textState );
rootNode->addChild(geode);
xOffset+=90;
yOffset+=120;
///////////////////////////////////////////////////////////////////////////
// TextureFont
osgText::TextureFont* textureFont= osgNew osgText::TextureFont(ttfPath1,
gFontSize1);
text= osgNew osgText::Text(textureFont);
gTextList.push_back(text);
text->setText(std::string("2d ")+std::string(TEXT_TEXTURE));
text->setPosition(osg::Vec3(xOffset,yOffset,0));
text->setDrawMode( osgText::Text::TEXT |
osgText::Text::BOUNDINGBOX |
osgText::Text::ALIGNEMENT );
text->setAlignment(gAlignment);
geode = osgNew osg::Geode();
geode->setName("TextureFont");
geode->addDrawable( text );
textMaterial = osgNew osg::Material();
textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK, TEXT_COL_2D);
// to get antiaA pixmapFonts we have to draw them with blending
transp= osgNew osg::Transparency();
transp->setFunction(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
textState = osgNew osg::StateSet();
textState->setAttribute(textMaterial );
textState->setAttribute(transp);
textState->setMode(GL_TEXTURE_2D,osg::StateAttribute::ON);
textState->setRenderingHint(osg::StateSet::TRANSPARENT_BIN);
geode->setStateSet( textState );
rootNode->addChild(geode);
xOffset+=90;
yOffset+=120;
///////////////////////////////////////////////////////////////////////////
// PolygonFont
osgText::PolygonFont* polygonFont= osgNew osgText::PolygonFont(ttfPath,
gFontSize1,
3);
text= osgNew osgText::Text(polygonFont);
gTextList.push_back(text);
text->setText(std::string("2d ")+std::string("TEXT_POLYGON"));
text->setPosition(osg::Vec3(xOffset,yOffset,0));
text->setDrawMode( osgText::Text::TEXT |
osgText::Text::BOUNDINGBOX |
osgText::Text::ALIGNEMENT );
text->setAlignment(gAlignment);
geode = osgNew osg::Geode();
geode->setName("PolygonFont");
geode->addDrawable( text );
textMaterial = osgNew osg::Material();
textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK, TEXT_COL_2D);
textState = osgNew osg::StateSet();
textState->setAttribute(textMaterial );
geode->setStateSet( textState );
rootNode->addChild(geode);
xOffset+=90;
yOffset+=120;
///////////////////////////////////////////////////////////////////////////
// OutlineFont
osgText::OutlineFont* outlineFont= osgNew osgText::OutlineFont(ttfPath,
gFontSize1,
3);
text= osgNew osgText::Text(outlineFont);
gTextList.push_back(text);
text->setText(std::string("2d ")+std::string(TEXT_OUTLINE));
text->setPosition(osg::Vec3(xOffset,yOffset,0));
text->setDrawMode( osgText::Text::TEXT |
osgText::Text::BOUNDINGBOX |
osgText::Text::ALIGNEMENT );
text->setAlignment(gAlignment);
geode = osgNew osg::Geode();
geode->setName("OutlineFont");
geode->addDrawable( text );
textMaterial = osgNew osg::Material();
textMaterial->setColorMode( osg::Material::AMBIENT_AND_DIFFUSE);
textMaterial->setDiffuse( osg::Material::FRONT_AND_BACK, TEXT_COL_2D);
textState = osgNew osg::StateSet();
textState->setAttribute(textMaterial );
geode->setStateSet( textState );
rootNode->addChild(geode);
// now add a depth attribute to the scene to force it to draw on top.
osg::Depth* depth = osgNew osg::Depth;
depth->setRange(0.0,0.0);
osg::StateSet* rootState = osgNew osg::StateSet();
rootState->setAttribute(depth);
rootState->setMode(GL_LIGHTING,osg::StateAttribute::OFF);
rootNode->setStateSet(rootState);
}
int main( int argc, char **argv )
{
// initialize the GLUT
glutInit( &argc, argv );
if (argc<2)
{
write_usage(std::cout,argv[0]);
return 0;
}
// create the commandline args.
std::vector<std::string> commandLine;
for(int i=1;i<argc;++i) commandLine.push_back(argv[i]);
// initialize the viewer.
osgGLUT::Viewer viewer;
viewer.setWindowTitle(argv[0]);
// configure the viewer from the commandline arguments, and eat any
// parameters that have been matched.
viewer.readCommandLine(commandLine);
// configure the plugin registry from the commandline arguments, and
// eat any parameters that have been matched.
osgDB::readCommandLine(commandLine);
// load the nodes from the commandline arguments.
osg::Node* rootnode = osgDB::readNodeFiles(commandLine);
if (!rootnode)
{
// write_usage(osg::notify(osg::NOTICE),argv[0]);
return 1;
}
// run optimization over the scene graph
osgUtil::Optimizer optimzer;
optimzer.optimize(rootnode);
// make sure the root node is group so we can add extra nodes to it.
osg::Group* group = dynamic_cast<osg::Group*>(rootnode);
if (!group)
{
group = osgNew osg::Group;
group->addChild(rootnode);
rootnode = group;
}
// create the hud.
osg::Projection* projection = osgNew osg::Projection;
projection->setMatrix(osg::Matrix::ortho2D(0,1024,0,768));
osg::Transform* modelview_abs = osgNew osg::Transform;
modelview_abs->setReferenceFrame(osg::Transform::RELATIVE_TO_ABSOLUTE);
modelview_abs->setMatrix(osg::Matrix::identity());
set2dScene(modelview_abs);
projection->addChild(modelview_abs);
group->addChild(projection);
// add a viewport to the viewer and attach the scene graph.
viewer.addViewport( rootnode );
// register trackball, flight and drive.
viewer.registerCameraManipulator(new osgUtil::TrackballManipulator);
viewer.registerCameraManipulator(new osgUtil::FlightManipulator);
viewer.registerCameraManipulator(new osgUtil::DriveManipulator);
// open the viewer window.
viewer.open();
// fire up the event loop.
viewer.run();
return 0;
}