osg模型模板测试挖空...怎么不行呢?

五十载

1. 
   
2. #include "stdafx.h"
   
3. #include <osg/Node>
   
4. #include <osg/Geometry>
   
5. #include <osg/Geode>
   
6. #include <osg/Notify>
   
7. #include <osg/MatrixTransform>
   
8. #include <osg/Texture2D>
   
9. #include <osg/BlendFunc>
   
10. #include <osg/Stencil>
    
11. #include <osg/ColorMask>
    
12. #include <osg/Depth>
    
13. #include <osg/ClipNode>
    
14. #include <osgDB/ReadFile>
    
15. #include <osgDB/WriteFile>
    
16. #include <osgUtil/Optimizer>
    
17. #include <osgViewer/Viewer>
    
18. #include <iostream>
    
19. #include <osgUtil/Tessellator>
    
20. #pragma comment(lib,"OpenThreadsd.lib")
    
21. #pragma comment(lib,"osgd.lib")
    
22. #pragma comment(lib,"osgDBd.lib")
    
23. #pragma comment(lib,"osgGAd.lib")
    
24. #pragma comment(lib,"osgUtild.lib")
    
25. #pragma comment(lib,"osgTextd.lib")
    
26. #pragma comment(lib,"osgSimd.lib")
    
27. #pragma comment(lib,"osgViewerd.lib")
    
28. 
    
29. 
    
30. 
    
31. 
    
32. int main()
    
33. {
    
34.         osg::Geometry *lineStripGeometry = new osg::Geometry;  
    
35.         osg::Vec3Array *lineVertexArray = new osg::Vec3Array;  
    
36.   
    
37.         lineVertexArray->push_back(osg::Vec3(0, 0, 0));
    
38.         lineVertexArray->push_back(osg::Vec3(10, 0, 0));
    
39.         lineVertexArray->push_back(osg::Vec3(10, 10, 0));
    
40.         lineVertexArray->push_back(osg::Vec3(0, 10, 0));
    
41.          
    
42.         osg::Vec4Array *lineColorArray = new osg::Vec4Array;  
    
43.         lineColorArray->push_back(osg::Vec4(1.0, 1.0, 1.0, 1.0));  
    
44.         lineStripGeometry->setVertexArray(lineVertexArray);  
    
45.         lineStripGeometry->setColorArray(lineColorArray);  
    
46.         //OSG 3.2之后的版本在setColorArray中设置绑定方式  
    
47.         lineStripGeometry->setColorBinding(osg::Geometry::BIND_PER_PRIMITIVE_SET);  
    
48.         lineStripGeometry->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::POLYGON, 0, lineVertexArray->size()));  
    
49.         lineStripGeometry->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);  
    
50. 
    
51.         //添加模板测试  
    
52.         osg::Stencil *lineStripStencil = new osg::Stencil;  
    
53.         lineStripStencil->setFunction(osg::Stencil::NEVER, 0x0, 0x0);  
    
54.         lineStripStencil->setOperation(osg::Stencil::INCR, osg::Stencil::INCR, osg::Stencil::INCR);  
    
55.        
    
56.         lineStripGeometry->getOrCreateStateSet()->setAttributeAndModes(lineStripStencil,
    
57.                 osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE);
    
58.        
    
59.         //////////////////////////////////////////////////////////////////////////  
    
60. 
    
61.         osg::Geometry *quadGeometry = new osg::Geometry;  
    
62. 
    
63.         osg::Vec3Array *quadVertexArray = new osg::Vec3Array;  
    
64.         quadVertexArray->push_back(osg::Vec3(0, 0, 0));  
    
65.         quadVertexArray->push_back(osg::Vec3(25, 0, 0));  
    
66.         quadVertexArray->push_back(osg::Vec3(25, 25, 0));  
    
67.         quadVertexArray->push_back(osg::Vec3(0, 25, 0));  
    
68. 
    
69.         osg::Vec4Array *quadColorArray = new osg::Vec4Array;  
    
70.         quadColorArray->push_back(osg::Vec4(0.0, 1.0, 1.0, 1.0));  
    
71. 
    
72.         quadGeometry->setVertexArray(quadVertexArray);  
    
73.         quadGeometry->setColorArray(quadColorArray);  
    
74.         quadGeometry->setColorBinding(osg::Geometry::BIND_OVERALL);  
    
75.         quadGeometry->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::QUADS, 0, 4));  
    
76.         quadGeometry->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);  
    
77. 
    
78.         osg::Stencil *quadStencil = new osg::Stencil;  
    
79.         quadStencil->setFunction(osg::Stencil::NOTEQUAL, 0x1, ~0u);  
    
80.         quadStencil->setOperation(osg::Stencil::KEEP, osg::Stencil::KEEP, osg::Stencil::KEEP);  
    
81.        
    
82.         quadGeometry->getOrCreateStateSet()->setAttributeAndModes(quadStencil,
    
83.                 osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE);
    
84. 
    
85.         osg::Geode *geode = new osg::Geode;  
    
86.         geode->addDrawable(lineStripGeometry);
    
87.         //geode->addDrawable(quadGeometry);
    
88.        
    
89. 
    
90.         osg::Node* pNode = new osg::Node;
    
91.         pNode = osgDB::readNodeFile("./subtile.ive");
    
92. 
    
93.         pNode->getOrCreateStateSet()->setAttributeAndModes(quadStencil,
    
94.                 osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE);
    
95. 
    
96.         osgViewer::Viewer viewer;
    
97.         //viewer.setUpViewInWindow(100,100,800,800);
    
98.         osg::Group* pMain = new osg::Group;
    
99.         pMain->addChild(geode);
    
100.         pMain->addChild(pNode);
     
101.         viewer.setSceneData(pMain);
     
102. 
     
103.         viewer.getCamera()->setClearMask(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
     
104.         viewer.getCamera()->setClearStencil(0);
     
105. 
     
106.         osg::DisplaySettings::instance()->setMinimumNumStencilBits(8);
     
107.         return viewer.run();
     
108. }
     
109. 
     

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