当前位置: 首页>>代码示例>>C++>>正文


C++ GeoPositions3fPtr::push_back方法代码示例

本文整理汇总了C++中GeoPositions3fPtr::push_back方法的典型用法代码示例。如果您正苦于以下问题:C++ GeoPositions3fPtr::push_back方法的具体用法?C++ GeoPositions3fPtr::push_back怎么用?C++ GeoPositions3fPtr::push_back使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在GeoPositions3fPtr的用法示例。


在下文中一共展示了GeoPositions3fPtr::push_back方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: makePolygon

OSG::NodePtr makePolygon(double pntData[][3], int numPoints) {

  OSG::GeometryPtr geoPtr  = OSG::Geometry::create();
  OSG::NodePtr     nodePtr = OSG::Node::create();

  GeoPositions3fPtr    pnts    = GeoPositions3f::create();
  GeoNormals3fPtr      norms   = GeoNormals3f::create();
  GeoTexCoords2fPtr    tex     = GeoTexCoords2f::create();
  GeoIndicesUI32Ptr    indices = GeoIndicesUI32::create();   
  GeoPLengthsUI32Ptr   lens    = GeoPLengthsUI32::create();  
  GeoPTypesUI8Ptr      types   = GeoPTypesUI8::create();     

  //Set up the properties according to the geometry defined above
  beginEditCP(pnts);
  beginEditCP(norms);
  
  for(int i = 0; i < numPoints; i++) 
    {
      pnts->push_back(Pnt3f(pntData[i][0],
                            pntData[i][1], 
                            pntData[i][2]));

      indices->push_back(2*i);

      norms->push_back(Vec3f(0.0, 0.0, pntData[i][2]));
      indices->push_back(2*i + 1);
    }

  endEditCP(pnts);
  endEditCP(norms);

  beginEditCP(types);
  beginEditCP(lens);
  types->push_back(GL_POLYGON);
  lens->push_back(numPoints);
  endEditCP(types);
  endEditCP(lens);

  beginEditCP(geoPtr);
  
  geoPtr->setMaterial(getDefaultMaterial());
  geoPtr->setPositions(pnts);
  geoPtr->setNormals(norms);
  geoPtr->setIndices(indices);
  
  geoPtr->editMFIndexMapping()->push_back(Geometry::MapPosition | 
                                          Geometry::MapNormal);
  
  geoPtr->setTypes(types);
  geoPtr->setLengths(lens);
  
  endEditCP(geoPtr);

  nodePtr->setCore(geoPtr);
  return nodePtr;
}
开发者ID:mlimper,项目名称:OpenSG1x,代码行数:56,代码来源:testCreateConvexPrimitives.cpp

示例2: createCoordinateCross

// Create the coordinate cross
NodePtr createCoordinateCross()
{
    GeometryPtr geoPtr = Geometry::create();
    beginEditCP(geoPtr);
    {
        GeoPTypesUI8Ptr typesPtr = GeoPTypesUI8::create();
        typesPtr->push_back(GL_LINES);
        geoPtr->setTypes(typesPtr);

        GeoPLengthsUI32Ptr lensPtr = GeoPLengthsUI32::create();
        lensPtr->push_back(6);
        geoPtr->setLengths(lensPtr);

        GeoPositions3fPtr posPtr = GeoPositions3f::create();
        posPtr->push_back(Vec3f(-0.1f, 0.f, 0.f));
        posPtr->push_back(Vec3f(1.f, 0.f, 0.f));
        posPtr->push_back(Vec3f(0.f, -0.1f, 0.f));
        posPtr->push_back(Vec3f(0.f, 1.f, 0.f));
        posPtr->push_back(Vec3f(0.f, 0.f, -0.1f));
        posPtr->push_back(Vec3f(0.f, 0.f, 1.f));
        geoPtr->setPositions(posPtr);

        GeoColors3fPtr colorsPtr = GeoColors3f::create();
        colorsPtr->push_back(Color3f(1.f, 0.f, 0.f));
        colorsPtr->push_back(Color3f(0.f, 1.f, 0.f));
        colorsPtr->push_back(Color3f(0.f, 0.f, 1.f));
        geoPtr->setColors(colorsPtr);

        GeoIndicesUI32Ptr indicesPtr = GeoIndicesUI32::create();
        // X Axis
        indicesPtr->push_back(0);
        indicesPtr->push_back(0);
        indicesPtr->push_back(1);
        indicesPtr->push_back(0);
        // Y Axis
        indicesPtr->push_back(2);
        indicesPtr->push_back(1);
        indicesPtr->push_back(3);
        indicesPtr->push_back(1);
        // Z Axis
        indicesPtr->push_back(4);
        indicesPtr->push_back(2);
        indicesPtr->push_back(5);
        indicesPtr->push_back(2);
        geoPtr->setIndices(indicesPtr);

        geoPtr->editMFIndexMapping()->clear();
        geoPtr->editMFIndexMapping()->push_back(Geometry::MapPosition);
        geoPtr->editMFIndexMapping()->push_back(Geometry::MapColor);

        SimpleMaterialPtr matPtr = SimpleMaterial::create();
        geoPtr->setMaterial(matPtr);
    }
    endEditCP(geoPtr);

    NodePtr nodePtr = Node::create();
    beginEditCP(nodePtr, Node::CoreFieldMask);
    {
        nodePtr->setCore(geoPtr);
    }
    endEditCP(nodePtr, Node::CoreFieldMask);

    return nodePtr;
}
开发者ID:mlimper,项目名称:OpenSG1x,代码行数:65,代码来源:testTextTXFGeo.cpp

示例3: createMetrics

// Create the metrics
NodePtr createMetrics(TextFace *face, Real32 scale, const TextLayoutParam &layoutParam,
                      const TextLayoutResult &layoutResult)
{
    GeometryPtr geoPtr = Geometry::create();
    beginEditCP(geoPtr);
    {
        GeoPTypesUI8Ptr typesPtr = GeoPTypesUI8::create();
        geoPtr->setTypes(typesPtr);

        GeoPLengthsUI32Ptr lensPtr = GeoPLengthsUI32::create();
        geoPtr->setLengths(lensPtr);

        GeoPositions3fPtr posPtr = GeoPositions3f::create();
        geoPtr->setPositions(posPtr);

        GeoColors3fPtr colorsPtr = GeoColors3f::create();
        colorsPtr->push_back(Color3f(0.f, 0.f, 1.f));
        colorsPtr->push_back(Color3f(1.f, 0.f, 0.f));
        colorsPtr->push_back(Color3f(0.f, 1.f, 0.f));
        colorsPtr->push_back(Color3f(1.f, 1.f, 0.f));
        geoPtr->setColors(colorsPtr);

        GeoIndicesUI32Ptr indicesPtr = GeoIndicesUI32::create();
        geoPtr->setIndices(indicesPtr);

        UInt32 i, numGlyphs = layoutResult.getNumGlyphs();
        for (i = 0; i < numGlyphs; ++i)
        {
            const TextGlyph &glyph = face->getGlyph(layoutResult.indices[i]);
            typesPtr->push_back(GL_LINE_LOOP);
            lensPtr->push_back(4);
            const Vec2f &pos = layoutResult.positions[i];
            Real32 left = pos.x() * scale;
            Real32 right = (pos.x() + glyph.getWidth()) * scale;
            Real32 top = pos.y() * scale;
            Real32 bottom = (pos.y() - glyph.getHeight()) * scale;
            UInt32 posOffset = posPtr->size();
            posPtr->push_back(Vec3f(left, bottom, 0.f));
            posPtr->push_back(Vec3f(right, bottom, 0.f));
            posPtr->push_back(Vec3f(right, top, 0.f));
            posPtr->push_back(Vec3f(left, top, 0.f));
            indicesPtr->push_back(posOffset);
            indicesPtr->push_back(0);
            indicesPtr->push_back(posOffset + 1);
            indicesPtr->push_back(0);
            indicesPtr->push_back(posOffset + 2);
            indicesPtr->push_back(0);
            indicesPtr->push_back(posOffset + 3);
            indicesPtr->push_back(0);
        }

        // Bounding box
        Vec2f lowerLeft, upperRight;
        face->calculateBoundingBox(layoutResult, lowerLeft, upperRight);
        typesPtr->push_back(GL_LINE_LOOP);
        lensPtr->push_back(4);
        Real32 left = lowerLeft.x() * scale;
        Real32 right = upperRight.x() * scale;
        Real32 top = upperRight.y() * scale;
        Real32 bottom = lowerLeft.y() * scale;
        UInt32 posOffset = posPtr->size();
        posPtr->push_back(Vec3f(left, bottom, 0.f));
        posPtr->push_back(Vec3f(right, bottom, 0.f));
        posPtr->push_back(Vec3f(right, top, 0.f));
        posPtr->push_back(Vec3f(left, top, 0.f));
        indicesPtr->push_back(posOffset);
        indicesPtr->push_back(1);
        indicesPtr->push_back(posOffset + 1);
        indicesPtr->push_back(1);
        indicesPtr->push_back(posOffset + 2);
        indicesPtr->push_back(1);
        indicesPtr->push_back(posOffset + 3);
        indicesPtr->push_back(1);

        // Text bounds & Line bounds
        Vec2f pos, textPos, offset;
        if (layoutParam.horizontal == true)
        {
            Real32 lineHeight = face->getHoriAscent() - face->getHoriDescent();
            Real32 spacing = layoutParam.spacing * lineHeight;
            if (layoutParam.topToBottom == true)
            {
                switch (layoutParam.minorAlignment)
                {
                    case TextLayoutParam::ALIGN_BEGIN:
                        break;
                    case TextLayoutParam::ALIGN_FIRST:
                        pos[1] = textPos[1] = face->getHoriAscent();
                        break;
                    case TextLayoutParam::ALIGN_MIDDLE:
                        pos[1] = textPos[1] = (spacing * (layoutResult.lineBounds.size() - 1) + lineHeight) / 2.f;
                        break;
                    case TextLayoutParam::ALIGN_END:
                        pos[1] = textPos[1] = spacing * (layoutResult.lineBounds.size() - 1) + lineHeight;
                        break;
                }
                offset.setValues(0.f, -spacing);
            }
            else
//.........这里部分代码省略.........
开发者ID:mlimper,项目名称:OpenSG1x,代码行数:101,代码来源:testTextTXFGeo.cpp

示例4: main

// Initialize GLUT & OpenSG and set up the scene
int main(int argc, char **argv)
{
    // OSG init
    osgInit(argc,argv);

    // GLUT init
    int winid = setupGLUT(&argc, argv);

    // the connection between GLUT and OpenSG
    GLUTWindowPtr gwin= GLUTWindow::create();
    gwin->setId(winid);
    gwin->init();

    // create the scene
     
    /*
        In the previous example, the colors and positions used the same
        indices. That might not always be the preferred way, and it might not
        make sense for other properties, e.g. normals.
        
        It is possible to assign a different index for every property. See the
        indices section below for details.
    */
    
    /*
        The initial setup is the same as in the single indexed geometry...
    */
    GeoPTypesPtr type = GeoPTypesUI8::create();        
    beginEditCP(type, GeoPTypesUI8::GeoPropDataFieldMask);
    {
        type->push_back(GL_POLYGON  );
        type->push_back(GL_TRIANGLES);
        type->push_back(GL_QUADS    );
    }
    endEditCP  (type, GeoPTypesUI8::GeoPropDataFieldMask);

    GeoPLengthsPtr lens = GeoPLengthsUI32::create();    
    beginEditCP(lens, GeoPLengthsUI32::GeoPropDataFieldMask);
    {
        lens->push_back(4);
        lens->push_back(6);
        lens->push_back(8);
    }
    endEditCP  (lens, GeoPLengthsUI32::GeoPropDataFieldMask);
       
    GeoPositions3fPtr pnts = GeoPositions3f::create();
    beginEditCP(pnts, GeoPositions3f::GeoPropDataFieldMask);
    {
        // the base
        pnts->push_back(Pnt3f(-1, -1, -1));
        pnts->push_back(Pnt3f(-1, -1,  1));
        pnts->push_back(Pnt3f( 1, -1,  1));
        pnts->push_back(Pnt3f( 1, -1, -1));

        // the roof base
        pnts->push_back(Pnt3f(-1,  0, -1));
        pnts->push_back(Pnt3f(-1,  0,  1));
        pnts->push_back(Pnt3f( 1,  0,  1));
        pnts->push_back(Pnt3f( 1,  0, -1));

        // the gable
        pnts->push_back(Pnt3f( 0,  1, -1));
        pnts->push_back(Pnt3f( 0,  1,  1));
    }
    endEditCP  (pnts, GeoPositions3f::GeoPropDataFieldMask);
   
    GeoColors3fPtr colors = GeoColors3f::create();
    beginEditCP(colors, GeoColors3f::GeoPropDataFieldMask);
    {
        colors->push_back(Color3f(1, 1, 0));
        colors->push_back(Color3f(1, 0, 0));
        colors->push_back(Color3f(1, 0, 0));
        colors->push_back(Color3f(1, 1, 0));
        colors->push_back(Color3f(0, 1, 1));
        colors->push_back(Color3f(1, 0, 1));
    }
    endEditCP  (colors, GeoPositions3f::GeoPropDataFieldMask);

    /*
        A new property: normals.
        
        They are used for lighting calculations and have to point away from the
        surface. Normals are standard vectors.
    */
    GeoNormals3fPtr norms = GeoNormals3f::create();
    beginEditCP(norms, GeoNormals3f::GeoPropDataFieldMask);
    {
        norms->push_back(Vec3f(-1,  0,  0));
        norms->push_back(Vec3f( 1,  0,  0));
        norms->push_back(Vec3f( 0, -1,  0));
        norms->push_back(Vec3f( 0,  1,  0));
        norms->push_back(Vec3f( 0,  0, -1));
        norms->push_back(Vec3f( 0,  0,  1));
    }
    endEditCP  (norms, GeoNormals3f::GeoPropDataFieldMask);
    
  
    /*
        To use different indices for different attributes they have to be
//.........这里部分代码省略.........
开发者ID:mlimper,项目名称:OpenSG1x,代码行数:101,代码来源:07multiindexgeometry.cpp

示例5: traverseGSet


//.........这里部分代码省略.........
            FDEBUG(("PerformerLoader::traverseGSet: found "
                      "primitive PFGS_FLAT_TRIFANS!\n"));
            cn_buffer = 2;
            vertcount = lencount;
            break;
	}

    FINFO(("vc %d ", vertcount));
    
    // Fill the Geometry
    GeometryPtr ogeo = Geometry::create();
    
    beginEditCP(ogeo);
    
    if(gstate)
    {
        ogeo->setMaterial(traverseGState(node, gstate));       
    }
    else
    {
        ogeo->setMaterial(NullFC);
    }

    GeoPTypesPtr otypes = GeoPTypesUI8::create();

    beginEditCP(otypes);
     
    if (lenlist = gset->getPrimLengths())
	{
        GeoPLengthsUI32Ptr olens  = GeoPLengthsUI32::create();
        beginEditCP(olens);
	    for (int i = 0; i < primcount; i++)
        {
            otypes->push_back(oprimtype);
            olens->push_back(lenlist[i]);
        }
        endEditCP(olens);
        ogeo->setLengths(olens);
	}	
    else
    {
        otypes->push_back(oprimtype);
        lenlist = &vertcount;
        lencount = vertcount;
        if(primcount != 1)
            FWARNING(("PerformerLoader::traverseGSet: No lens, but "
                      "primcount=%d.\n", primcount));
    }

    endEditCP(otypes);

    ogeo->setTypes(otypes);
    
    // Convert the geo attributes

    int pmin, pmax;
    pfVec3 *pverts;
    ushort *pinds;
    
    GeoPositions3fPtr opos = GeoPositions3f::create();
    GeoIndicesUI16Ptr oind = GeoIndicesUI16::create();
    
    beginEditCP(opos);
    beginEditCP(oind);
       
    gset->getAttrLists(PFGS_COORD3, (void**)&pverts, &pinds);
开发者ID:mlimper,项目名称:OpenSG1x,代码行数:67,代码来源:OSGPerformerLoader.cpp

示例6: createRose

NodePtr createRose()
{
    GeometryPtr geoPtr = Geometry::create();
    beginEditCP(geoPtr);
    {
        GeoPTypesUI8Ptr typesPtr = GeoPTypesUI8::create();
        typesPtr->push_back(GL_QUADS);
        geoPtr->setTypes(typesPtr);

        GeoPLengthsUI32Ptr lensPtr = GeoPLengthsUI32::create();
        lensPtr->push_back(96);
        geoPtr->setLengths(lensPtr);

        GeoPositions3fPtr posPtr = GeoPositions3f::create();

        // top
        posPtr->push_back(Vec3f( 0.00f,  1.00f,  0.00f));
        posPtr->push_back(Vec3f( 0.00f,  0.10f,  0.10f));
        posPtr->push_back(Vec3f( 0.05f,  0.05f,  0.05f));
        posPtr->push_back(Vec3f( 0.10f,  0.10f,  0.00f));

        posPtr->push_back(Vec3f( 0.00f,  1.00f,  0.00f));
        posPtr->push_back(Vec3f( 0.10f,  0.10f,  0.00f));
        posPtr->push_back(Vec3f( 0.05f,  0.05f, -0.05f));
        posPtr->push_back(Vec3f( 0.00f,  0.10f, -0.10f));

        posPtr->push_back(Vec3f( 0.00f,  1.00f,  0.00f));
        posPtr->push_back(Vec3f( 0.00f,  0.10f, -0.10f));
        posPtr->push_back(Vec3f(-0.05f,  0.05f, -0.05f));
        posPtr->push_back(Vec3f(-0.10f,  0.10f,  0.00f));

        posPtr->push_back(Vec3f( 0.00f,  1.00f,  0.00f));
        posPtr->push_back(Vec3f(-0.10f,  0.10f,  0.00f));
        posPtr->push_back(Vec3f(-0.05f,  0.05f,  0.05f));
        posPtr->push_back(Vec3f( 0.00f,  0.10f,  0.10f));

        // bottom
        posPtr->push_back(Vec3f( 0.00f, -1.00f,  0.00f));
        posPtr->push_back(Vec3f( 0.10f, -0.10f,  0.00f));
        posPtr->push_back(Vec3f( 0.05f, -0.05f,  0.05f));
        posPtr->push_back(Vec3f( 0.00f, -0.10f,  0.10f));

        posPtr->push_back(Vec3f( 0.00f, -1.00f,  0.00f));
        posPtr->push_back(Vec3f( 0.00f, -0.10f,  0.10f));
        posPtr->push_back(Vec3f(-0.05f, -0.05f,  0.05f));
        posPtr->push_back(Vec3f(-0.10f, -0.10f,  0.00f));

        posPtr->push_back(Vec3f( 0.00f, -1.00f,  0.00f));
        posPtr->push_back(Vec3f(-0.10f, -0.10f,  0.00f));
        posPtr->push_back(Vec3f(-0.05f, -0.05f, -0.05f));
        posPtr->push_back(Vec3f( 0.00f, -0.10f, -0.10f));

        posPtr->push_back(Vec3f( 0.00f, -1.00f,  0.00f));
        posPtr->push_back(Vec3f( 0.00f, -0.10f, -0.10f));
        posPtr->push_back(Vec3f( 0.05f, -0.05f, -0.05f));
        posPtr->push_back(Vec3f( 0.10f, -0.10f,  0.00f));

        // left
        posPtr->push_back(Vec3f(-1.00f,  0.00f,  0.00f));
        posPtr->push_back(Vec3f(-0.10f, -0.10f,  0.00f));
        posPtr->push_back(Vec3f(-0.05f, -0.05f,  0.05f));
        posPtr->push_back(Vec3f(-0.10f,  0.00f,  0.10f));

        posPtr->push_back(Vec3f(-1.00f,  0.00f,  0.00f));
        posPtr->push_back(Vec3f(-0.10f,  0.00f,  0.10f));
        posPtr->push_back(Vec3f(-0.05f,  0.05f,  0.05f));
        posPtr->push_back(Vec3f(-0.10f,  0.10f,  0.00f));

        posPtr->push_back(Vec3f(-1.00f,  0.00f,  0.00f));
        posPtr->push_back(Vec3f(-0.10f,  0.10f,  0.00f));
        posPtr->push_back(Vec3f(-0.05f,  0.05f, -0.05f));
        posPtr->push_back(Vec3f(-0.10f,  0.00f, -0.10f));

        posPtr->push_back(Vec3f(-1.00f,  0.00f,  0.00f));
        posPtr->push_back(Vec3f(-0.10f,  0.00f, -0.10f));
        posPtr->push_back(Vec3f(-0.05f, -0.05f, -0.05f));
        posPtr->push_back(Vec3f(-0.10f, -0.10f,  0.00f));

        // right
        posPtr->push_back(Vec3f( 1.00f,  0.00f,  0.00f));
        posPtr->push_back(Vec3f( 0.10f,  0.00f,  0.10f));
        posPtr->push_back(Vec3f( 0.05f, -0.05f,  0.05f));
        posPtr->push_back(Vec3f( 0.10f, -0.10f,  0.00f));

        posPtr->push_back(Vec3f( 1.00f,  0.00f,  0.00f));
        posPtr->push_back(Vec3f( 0.10f, -0.10f,  0.00f));
        posPtr->push_back(Vec3f( 0.05f, -0.05f, -0.05f));
        posPtr->push_back(Vec3f( 0.10f,  0.00f, -0.10f));

        posPtr->push_back(Vec3f( 1.00f,  0.00f,  0.00f));
        posPtr->push_back(Vec3f( 0.10f,  0.00f, -0.10f));
        posPtr->push_back(Vec3f( 0.05f,  0.05f, -0.05f));
        posPtr->push_back(Vec3f( 0.10f,  0.10f,  0.00f));

        posPtr->push_back(Vec3f( 1.00f,  0.00f,  0.00f));
        posPtr->push_back(Vec3f( 0.10f,  0.10f,  0.00f));
        posPtr->push_back(Vec3f( 0.05f,  0.05f,  0.05f));
        posPtr->push_back(Vec3f( 0.10f,  0.00f,  0.10f));

        // front
//.........这里部分代码省略.........
开发者ID:mlimper,项目名称:OpenSG1x,代码行数:101,代码来源:testScreenGroup.cpp


注:本文中的GeoPositions3fPtr::push_back方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。