FGFS-4.1/OpenSceneGraph
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Added all sides of the shader cube

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This commit is contained in:
Robert Osfield 2005-09-05 09:14:30 +00:00
parent 7ed8bab8d4
commit ab879525ef
1 changed files with 75 additions and 2 deletions
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77
examples/osgvolume/osgvolume.cpp
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@ -12,6 +12,7 @@
#include <osg/TexEnv>
#include <osg/TexEnvCombine>
#include <osg/Material>
#include <osg/PrimitiveSet>
#include <osg/Endian>
#include <osgDB/Registry>
@ -686,10 +687,82 @@ osg::Node* createShaderModel(osg::ref_ptr<osg::Image>& image_3d, osg::ref_ptr<os
osg::Uniform* deltaTexCoord = new osg::Uniform("deltaTexCoord",osg::Vec3(0.0f,0.0f,1.0f/256.0f));
stateset->addUniform(deltaTexCoord);
#if 1
{
geode->addDrawable(osg::createTexturedQuadGeometry(osg::Vec3(0,0,0),osg::Vec3(1.0,0.0,0.0),osg::Vec3(0.0,1.0,0.0)));
}
osg::Geometry* geom = new osg::Geometry;
osg::Vec3Array* coords = new osg::Vec3Array(8);
(*coords)[0].set(0,0,0);
(*coords)[1].set(1,0,0);
(*coords)[2].set(1,1,0);
(*coords)[3].set(0,1,0);
(*coords)[4].set(0,0,1);
(*coords)[5].set(1,0,1);
(*coords)[6].set(1,1,1);
(*coords)[7].set(0,1,1);
geom->setVertexArray(coords);
osg::Vec3Array* tcoords = new osg::Vec3Array(8);
(*tcoords)[0].set(0,0,0);
(*tcoords)[1].set(1,0,0);
(*tcoords)[2].set(1,1,0);
(*tcoords)[3].set(0,1,0);
(*tcoords)[4].set(0,0,1);
(*tcoords)[5].set(1,0,1);
(*tcoords)[6].set(1,1,1);
(*tcoords)[7].set(0,1,1);
geom->setTexCoordArray(0,tcoords);
osg::Vec4Array* colours = new osg::Vec4Array(1);
(*colours)[0].set(1.0f,1.0f,1.0,1.0f);
geom->setColorArray(colours);
geom->setColorBinding(osg::Geometry::BIND_OVERALL);
osg::DrawElementsUShort* drawElements = new osg::DrawElementsUShort(GL_QUADS);
// bottom
drawElements->push_back(0);
drawElements->push_back(1);
drawElements->push_back(2);
drawElements->push_back(3);
// bottom
drawElements->push_back(3);
drawElements->push_back(2);
drawElements->push_back(6);
drawElements->push_back(7);
// left
drawElements->push_back(0);
drawElements->push_back(3);
drawElements->push_back(7);
drawElements->push_back(4);
// right
drawElements->push_back(2);
drawElements->push_back(1);
drawElements->push_back(5);
drawElements->push_back(6);
// front
drawElements->push_back(0);
drawElements->push_back(1);
drawElements->push_back(5);
drawElements->push_back(4);
// top
drawElements->push_back(6);
drawElements->push_back(7);
drawElements->push_back(4);
drawElements->push_back(5);
geom->addPrimitiveSet(drawElements);
geode->addDrawable(geom);
}
#else
geode->addDrawable(osg::createTexturedQuadGeometry(osg::Vec3(0,0,0),osg::Vec3(1.0,0.0,0.0),osg::Vec3(0.0,1.0,0.0)));
#endif
return geode;
}