C++ Geode::setName方法代码示例

Geode *ClipPlanePlugin::loadPlane()
{

    // *5---*6---*7
    // |    |    |
    // *3--------*4
    // |    |    |
    // *0---*1---*2

    float w = cover->getSceneSize() * 0.1; // width of plane

    Vec3Array *lineCoords = new Vec3Array(12);
    (*lineCoords)[0].set(-w, -0.01, -w);
    (*lineCoords)[1].set(w, -0.01, -w);
    (*lineCoords)[2].set(-w, -0.01, 0.0f);
    (*lineCoords)[3].set(w, -0.01, 0.0f);
    (*lineCoords)[4].set(-w, -0.01, w);
    (*lineCoords)[5].set(w, -0.01, w);
    (*lineCoords)[6].set(-w, -0.01, -w);
    (*lineCoords)[7].set(-w, -0.01, w);
    (*lineCoords)[8].set(0.0f, -0.01, -w);
    (*lineCoords)[9].set(0.0f, -0.01, w);
    (*lineCoords)[10].set(w, -0.01, -w);
    (*lineCoords)[11].set(w, -0.01, w);

    DrawArrayLengths *primitives = new DrawArrayLengths(PrimitiveSet::LINE_STRIP);
    for (int i = 0; i < 6; i++)
    {
        primitives->push_back(2);
    }

    Vec3Array *lineColors = new Vec3Array(12);
    for (int i = 0; i < 12; i++)
    {
        (*lineColors)[i].set(Vec3(1.0f, 1.0f, 1.0f));
    }

    Geometry *geoset = new Geometry();
    geoset->setVertexArray(lineCoords);
    geoset->addPrimitiveSet(primitives);
    geoset->setColorArray(lineColors);

    Material *mtl = new Material;
    mtl->setColorMode(Material::AMBIENT_AND_DIFFUSE);
    mtl->setAmbient(Material::FRONT_AND_BACK, Vec4(0.2f, 0.2f, 0.2f, 1.0f));
    mtl->setDiffuse(Material::FRONT_AND_BACK, Vec4(0.9f, 0.9f, 0.9f, 1.0f));
    mtl->setSpecular(Material::FRONT_AND_BACK, Vec4(0.9f, 0.9f, 0.9f, 1.0f));
    mtl->setEmission(Material::FRONT_AND_BACK, Vec4(0.0f, 0.0f, 0.0f, 1.0f));
    mtl->setShininess(Material::FRONT_AND_BACK, 16.0f);

    Geode *geode = new Geode;
    geode->setName("ClipPlane");
    geode->addDrawable(geoset);

    StateSet *geostate = geode->getOrCreateStateSet();
    geostate->setAttributeAndModes(mtl, StateAttribute::ON);
    geostate->setMode(GL_LIGHTING, StateAttribute::OFF);
    LineWidth *lineWidth = new LineWidth(3.0);
    geostate->setAttributeAndModes(lineWidth, StateAttribute::ON);
    geode->setStateSet(geostate);

    return geode;
}

osg::Node *JTOpenPlugin::createShape(JtkShape *partShape, const char *objName)
{
    //cout << "JtkSHAPE\n";

    Geode *geode = new Geode();
    ref_ptr<Geometry> geom = new Geometry();
    StateSet *geoState = geode->getOrCreateStateSet();
    Vec3Array *vert = new Vec3Array;
    Vec3Array *normalArray = new Vec3Array();
    Vec3Array *colorArray = new Vec3Array();
    Vec2Array *tcArray = new Vec2Array();

    DrawArrayLengths *primitives = NULL;
    if (partShape->typeID() == JtkEntity::JtkPOLYGONSET)
    {
        primitives = new DrawArrayLengths(PrimitiveSet::POLYGON);
    }
    else if (partShape->typeID() == JtkEntity::JtkLINESTRIPSET)
    {
        primitives = new DrawArrayLengths(PrimitiveSet::LINE_STRIP);
    }
    else if (partShape->typeID() == JtkEntity::JtkTRISTRIPSET)
    {
        primitives = new DrawArrayLengths(PrimitiveSet::TRIANGLE_STRIP);
    }
    else
    {
        cerr << "unknown partShape->typeID " << partShape->typeID() << endl;
    }
    geode->setName(objName);
    if (primitives)
    {
        for (int set = 0; set < partShape->numOfSets(); set++)
        {
            float *vertex = NULL,
                  *normal = NULL,
                  *color = NULL,
                  *texture = NULL;
            int vertexCount = -1,
                normCount = -1,
                colorCount = -1,
                textCount = -1;

            partShape->getInternal(vertex, vertexCount, normal, normCount,
                                   color, colorCount, texture, textCount, set);

            primitives->push_back(vertexCount);

            // backFaceCulling nur dann, wenn es im CoviseConfig enabled ist
            /*if(backFaceCulling && (mask & Viewer::MASK_SOLID))
         {
         CullFace *cullFace = new CullFace();        // da viele Modelle backface Culling nicht vertragen (nicht richtig modelliert sind)
         cullFace->setMode(CullFace::BACK);
         geoState->setAttributeAndModes(cullFace, StateAttribute::ON);
         }

         // already done in updateMaterial()
         #if 0
         if(Blended)
         {
         BlendFunc *blendFunc = new BlendFunc();
         blendFunc->setFunction(BlendFunc::SRC_ALPHA, BlendFunc::ONE_MINUS_SRC_ALPHA);
         geoState->setAttributeAndModes(blendFunc, StateAttribute::ON);
         #if 1
         AlphaFunc *alphaFunc = new AlphaFunc();
         alphaFunc->setFunction(AlphaFunc::ALWAYS,1.0);
         geoState->setAttributeAndModes(alphaFunc, StateAttribute::OFF);
         #endif
         }
         #endif
         #ifdef HAVE_OSGNV
         if((strncmp(d_currentObject->node->name(),"combineTextures",15)==0)||(strncmp(objName,"combineTextures",15)==0))
         {
         geoState->setAttributeAndModes(combineTextures.get(), StateAttribute::ON);
         }
         if((strncmp(d_currentObject->node->name(),"combineEnvTextures",15)==0)||(strncmp(objName,"combineEnvTextures",15)==0))
         {
         geoState->setAttributeAndModes(combineEnvTextures.get(), StateAttribute::ON);
         }
         #endif*/

            if (vertex && (vertexCount > 0))
            {
                for (int elems = 0; elems < vertexCount; elems++)
                {
                    vert->push_back(Vec3(vertex[elems * 3 + 0], vertex[elems * 3 + 1], vertex[elems * 3 + 2]));
                }
                JtkEntityFactory::deleteMemory(vertex);
            }

            if (normal && (normCount > 0))
            {
                for (int elems = 0; elems < normCount; elems++)
                {
                    normalArray->push_back(Vec3(normal[elems * 3 + 0], normal[elems * 3 + 1], normal[elems * 3 + 2]));
                }
                if (normCount == vertexCount)
                {
                }
                else
//.........这里部分代码省略.........

//.........这里部分代码省略.........
        { 0.0, 0.0, 0.15 },
        { 0.0, 0.0, 0.15 },
        { 0.4, 0.4, 0.7 },
        { 0.2, 0.2, 0.6 },
        { 0.1, 0.1, 0.6 },
        { 0.1, 0.1, 0.6 },
        { 0.1, 0.1, 0.6 },
    };
    float x, y, z;
    float alpha, theta;
    float radius = 20.0f;
    int nlev = sizeof( lev )/sizeof(float);

    Geometry *geom = new Geometry;

    Vec3Array& coords = *(new Vec3Array(19*nlev));
    Vec4Array& colors = *(new Vec4Array(19*nlev));
    Vec2Array& tcoords = *(new Vec2Array(19*nlev));
    
    
    int ci = 0;

    for( i = 0; i < nlev; i++ )
    {
        for( j = 0; j <= 18; j++ )
        {
            alpha = osg::DegreesToRadians(lev[i]);
            theta = osg::DegreesToRadians((float)(j*20));

            x = radius * cosf( alpha ) * cosf( theta );
            y = radius * cosf( alpha ) * -sinf( theta );
            z = radius * sinf( alpha );

            coords[ci][0] = x;
            coords[ci][1] = y;
            coords[ci][2] = z;

            colors[ci][0] = cc[i][0];
            colors[ci][1] = cc[i][1];
            colors[ci][2] = cc[i][2];
            colors[ci][3] = 1.0;

            tcoords[ci][0] = (float)j/18.0;
            tcoords[ci][1] = (float)i/(float)(nlev-1);

            ci++;
        }


    }

    for( i = 0; i < nlev-1; i++ )
    {
        DrawElementsUShort* drawElements = new DrawElementsUShort(PrimitiveSet::TRIANGLE_STRIP);
        drawElements->reserve(38);

        for( j = 0; j <= 18; j++ )
        {
            drawElements->push_back((i+1)*19+j);
            drawElements->push_back((i+0)*19+j);
        }

        geom->addPrimitiveSet(drawElements);
    }
    
    geom->setVertexArray( &coords );
    geom->setTexCoordArray( 0, &tcoords );

    geom->setColorArray( &colors );
    geom->setColorBinding( Geometry::BIND_PER_VERTEX );


    Texture2D *tex = new Texture2D;
    tex->setImage(osgDB::readImageFile("Images/white.rgb"));

    StateSet *dstate = new StateSet;

    dstate->setTextureAttributeAndModes(0, tex, StateAttribute::OFF );
    dstate->setTextureAttribute(0, new TexEnv );
    dstate->setMode( GL_LIGHTING, StateAttribute::OFF );
    dstate->setMode( GL_CULL_FACE, StateAttribute::ON );
    

    // clear the depth to the far plane.
    osg::Depth* depth = new osg::Depth;
    depth->setFunction(osg::Depth::ALWAYS);
    depth->setRange(1.0,1.0);   
    dstate->setAttributeAndModes(depth,StateAttribute::ON );

    dstate->setRenderBinDetails(-2,"RenderBin");

    geom->setStateSet( dstate );

    Geode *geode = new Geode;
    geode->addDrawable( geom );

    geode->setName( "Sky" );

    return geode;
}