FGFS-4.1/OpenSceneGraph
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Added osg::Drawable::PrimitiveFunctor and TriangleFunctor subclass for

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querrying the primitive data inside Drawables.  Moved various support
classes over from being osg::GeoSet based to osg::Geometry based.
This commit is contained in:
Robert Osfield
2002-06-25 20:27:51 +00:00
parent 336c47e5fe
commit cbeeeefdab
20 changed files with 737 additions and 651 deletions
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105
src/Demos/osggeometry/osggeometry.cpp
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@@ -1,5 +1,4 @@
#include <osg/Geode>
#include <osg/GeoSet>
#include <osg/Geometry>
#include <osg/Material>
#include <osg/Vec3>
@@ -52,22 +51,6 @@ class MyTransformCallback : public osg::NodeCallback{
_previousTraversalNumber = nv->getTraversalNumber();
// Some memory stress testing added by Steve to reveal crashes under Windows.
// // Start Added by SMW
// osg::Transform* Tnode = (osg::Transform *)node;
// int i;
// osg::Node *n;
// while (Tnode->getNumChildren() > 0)
// {
// n = Tnode->getChild(0);
// Tnode->removeChild(n);
// }
// for (i = 0;i < 500;i++)
// {
// Tnode->addChild( createCube() );
// }
// // End Added by SMW
}
}
}
@@ -88,93 +71,6 @@ class MyTransformCallback : public osg::NodeCallback{
};
osg::Geode* createCube()
{
osg::Geode* geode = new osg::Geode();
// -------------------------------------------
// Set up a new GeoSet which will be our cube
// -------------------------------------------
osg::GeoSet* cube = new osg::GeoSet();
// set up the primitives
cube->setPrimType( osg::GeoSet::POLYGON );
cube->setNumPrims( 6 ); // the six square faces
// set up the primitive indices
int* cubeLengthList = new int[6];
cubeLengthList[0] = 4; // each side of the cube has 4 vertices
cubeLengthList[1] = 4;
cubeLengthList[2] = 4;
cubeLengthList[3] = 4;
cubeLengthList[4] = 4;
cubeLengthList[5] = 4;
cube->setPrimLengths( cubeLengthList );
// set up the coordinates.
osg::Vec3 *cubeCoords = new osg::Vec3[24];
cubeCoords[0].set( -1.0000f, 1.0000f, -1.000f );
cubeCoords[1].set( 1.0000f, 1.0000f, -1.0000f );
cubeCoords[2].set( 1.0000f, -1.0000f, -1.0000f );
cubeCoords[3].set( -1.0000f, -1.0000f, -1.000 );
cubeCoords[4].set( 1.0000f, 1.0000f, -1.0000f );
cubeCoords[5].set( 1.0000f, 1.0000f, 1.0000f );
cubeCoords[6].set( 1.0000f, -1.0000f, 1.0000f );
cubeCoords[7].set( 1.0000f, -1.0000f, -1.0000f );
cubeCoords[8].set( 1.0000f, 1.0000f, 1.0000f );
cubeCoords[9].set( -1.0000f, 1.0000f, 1.000f );
cubeCoords[10].set( -1.0000f, -1.0000f, 1.000f );
cubeCoords[11].set( 1.0000f, -1.0000f, 1.0000f );
cubeCoords[12].set( -1.0000f, 1.0000f, 1.000 );
cubeCoords[13].set( -1.0000f, 1.0000f, -1.000 );
cubeCoords[14].set( -1.0000f, -1.0000f, -1.000 );
cubeCoords[15].set( -1.0000f, -1.0000f, 1.000 );
cubeCoords[16].set( -1.0000f, 1.0000f, 1.000 );
cubeCoords[17].set( 1.0000f, 1.0000f, 1.0000f );
cubeCoords[18].set( 1.0000f, 1.0000f, -1.0000f );
cubeCoords[19].set( -1.0000f, 1.0000f, -1.000f );
cubeCoords[20].set( -1.0000f, -1.0000f, 1.000f );
cubeCoords[21].set( -1.0000f, -1.0000f, -1.000f );
cubeCoords[22].set( 1.0000f, -1.0000f, -1.0000f );
cubeCoords[23].set( 1.0000f, -1.0000f, 1.0000f );
cube->setCoords( cubeCoords );
// set up the normals.
osg::Vec3 *cubeNormals = new osg::Vec3[6];
cubeNormals[0].set(0.0f,0.0f,-1.0f);
cubeNormals[1].set(1.0f,0.0f,0.0f);
cubeNormals[2].set(0.0f,0.0f,1.0f);
cubeNormals[3].set(-1.0f,0.0f,0.0f);
cubeNormals[4].set(0.0f,1.0f,0.0f);
cubeNormals[5].set(0.0f,-1.0f,0.0f);
cube->setNormals( cubeNormals );
cube->setNormalBinding( osg::GeoSet::BIND_PERPRIM );
// ---------------------------------------
// Set up a StateSet to make the cube red
// ---------------------------------------
osg::StateSet* cubeState = new osg::StateSet();
osg::Material* redMaterial = new osg::Material();
osg::Vec4 red( 1.0f, 0.0f, 0.0f, 1.0f );
redMaterial->setDiffuse( osg::Material::FRONT_AND_BACK, red );
cubeState->setAttribute( redMaterial );
cube->setStateSet( cubeState );
geode->addDrawable( cube );
return geode;
}
osg::Geode* createGeometryCube()
{
osg::Geode* geode = new osg::Geode();
@@ -280,7 +176,6 @@ int main( int argc, char **argv )
viewer.readCommandLine(commandLine);
osg::Transform* myTransform = new osg::Transform();
// myTransform->addChild( createCube() );
myTransform->addChild( createGeometryCube() );
// move node in a circle at 90 degrees a sec.