Osg-Osg几何绘制(Qt5.14.2+osgE3.6.5+win10)-No22-GeodeAndGeometry

.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 
10 int main()
11 {
12     // 加载牛
13     osg::ref_ptr<osgViewer::Viewer> viewer = new osgViewer::Viewer;
14     osg::ref_ptr<osg::Node> geode = osgDB::readNodeFile("D:/Gitee/OsgTestQt/src/No21-OsgShader/cow.osg");//CreateNode();
15     osg::Group * root = new osg::Group; 
16     root->addChild(geode);
17     // 加载几何
18     osg::ref_ptr<osg::Geode> pGeode = new osg::Geode;
19     osg::ref_ptr<osg::Geometry> pGeometry = new osg::Geometry;
20     osg::ref_ptr<osg::Vec3Array> pVecArray = new osg::Vec3Array;
21     // 压入顶点
22     pVecArray->push_back(osg::Vec3(0, 0, 0));
23     pVecArray->push_back(osg::Vec3(100, 0, 0));
24     pVecArray->push_back(osg::Vec3(100, 100, 0));
25     pVecArray->push_back(osg::Vec3(0, 100, 0));
26     pVecArray->push_back(osg::Vec3(-100, 100, 0));
27     pVecArray->push_back(osg::Vec3(-100, 0, 0));
28     pVecArray->push_back(osg::Vec3(-100, -100, 0));
29     pVecArray->push_back(osg::Vec3(100, -100, 0));
30     pVecArray->push_back(osg::Vec3(100, 0, 0));
31     pGeometry->setVertexArray(pVecArray);
32     //设置顶点数组
33     pGeometry->setVertexArray(pVecArray.get());
34     //设置顶点组织形式，从哪个点开始，和长度
35     pGeometry->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::Mode::LINES_ADJACENCY, 0, pVecArray->size()));
36     //添加可绘制体
37     pGeode->addDrawable(pGeometry);
38     //添加进根节点
39     root->addChild(pGeode);
40 
41     viewer->setSceneData(root);
42     viewer->setUpViewInWindow(35, 35, 500, 500);
43 
44     return viewer->run();
45 }
View Code

 

posted on 2022-07-14 14:09  疯狂delphi  阅读(72)  评论(0)  编辑  收藏  举报

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