Osg-Osg实现雾效果(Qt5.14.2+osgE3.6.5+win10)-No23-OsgFog

 

.pro

 1 QT       += core gui widgets
 2 TARGET = TestOsgQt
 3 TEMPLATE = app
 4 DEFINES += QT_DEPRECATED_WARNINGS
 5 CONFIG += c++11
 6 
 7 QMAKE_CXXFLAGS_RELEASE = $$QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO
 8 QMAKE_LFLAGS_RELEASE = $$QMAKE_LFLAGS_RELEASE_WITH_DEBUGINFO
 9 
10 SOURCES += \
11         main.cpp
12 
13 HEADERS +=
14 
15 OsgDir = D:\\Gitee\\osg365R
16 CONFIG(release, debug|release) {
17         LIBS += -L$${OsgDir}/lib/ -losgDB -losgViewer -lOpenThreads -losgAnimation -losg \
18                                   -losgEarth -losgEarthAnnotation -losgEarthFeatures -losgEarthSymbology -losgEarthUtil \
19                                   -losgQOpenGL -losgUtil -losgText -losgTerrain -losgSim \
20                                   -losgShadow -losgParticle -losgManipulator -losgGA -losgFX \
21                                   -losgWidget
22 } else {
23         LIBS += -L$${OsgDir}/debug/lib/ -losgDBd -losgViewerd -lOpenThreadsd -losgAnimationd -losgd \
24                                   -losgEarthd -losgEarthAnnotationd -losgEarthFeaturesd -losgEarthSymbologyd -losgEarthUtild \
25                                   -losgQOpenGLd -losgUtild -losgTextd -losgTerraind -losgSimd \
26                                   -losgShadowd -losgParticled -losgManipulatord -losgGAd -losgFXd \
27 }
28 
29 
30 INCLUDEPATH += $${OsgDir}/include
31 DEPENDPATH += $${OsgDir}/include
View Code

main.cpp

 1 #include <osgViewer/Viewer>
 2 #include <osgDB/ReadFile>
 3 #include <osg/Shape>
 4 #include <osg/ShapeDrawable>
 5 #include <osg/MatrixTransform>
 6 #include <osg/Program>
 7 #include <osgDB/ReadFile>
 8 #include <osgDB/FileUtils>
 9 #include <osgEarthUtil/Fog>
10 #include <osg/Fog>
11 
12 int main()
13 {
14     // 加载牛
15     osg::ref_ptr<osgViewer::Viewer> viewer = new osgViewer::Viewer;
16     osg::ref_ptr<osg::Node> geode = osgDB::readNodeFile("D:/Gitee/OsgTestQt/src/No23/tree.ive");//CreateNode();
17     osg::ref_ptr<osg::Group> gp= new osg::Group;
18     gp->addChild(geode);
19 
20     osg::ref_ptr<osg::Fog> fog = new osg::Fog;
21     fog->setDensity(0.01);
22     fog->setColor(osg::Vec4(1.0, 1.0, 1.0, 1.0));
23     fog->setMode(osg::Fog::LINEAR);  //osg::Fog::EXP  //osg::Fog::EXP2
24     fog->setStart(10);
25     fog->setEnd(50);
26     gp->getOrCreateStateSet()->setAttributeAndModes(fog.get(), osg::StateAttribute::ON);
27 
28     viewer->setSceneData(gp);
29     viewer->setUpViewInWindow(35, 35, 500, 500);
30     return viewer->run();
31     // 以下代码也是雾，但是增加后，物体全变成白色了。
32 //    osg::Fog* fog = new osg::Fog();
33 //    fog->setMode(osg::Fog::LINEAR);
34 //    fog->setStart(500.0f);
35 //    fog->setEnd(2500.0f);
36 //    fog->setDensity(10);
37 //    fog->setColor(osg::Vec4(0.5f, 0.5f, 0.5f, 1.0f));
38 //    fog->setUpdateCallback(new osgEarth::Util::FogCallback());
39 //    m_MapNode->getOrCreateStateSet()->setAttributeAndModes(fog, osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE);
40 //    osgEarth::Util::FogEffect* fogEffect = new osgEarth::Util::FogEffect();
41 //    fogEffect->attach(m_MapNode->getOrCreateStateSet());
42     //取消雾效
43     //fogEffect->detach(m_MapNode->getOrCreateStateSet());
44 }
View Code

 

 

 

posted on 2022-07-15 15:54  疯狂delphi  阅读(112)  评论(0)  编辑  收藏  举报

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