管道流向贴图纹理拉伸

无忧_OlvZL

void createTexture2D(osg::StateSet& ss,osg::Image* image)
{
        osg::StateAttribute * sa =  ss.getTextureAttribute(0, osg::StateAttribute::TEXTURE);
        osg::ref_ptr<osg::Texture2D> texture=new osg::Texture2D;
        texture->setImage(image);
        texture->setFilter(osg::Texture::MIN_FILTER,osg::Texture:INEAR);
        texture->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR);
        texture->setWrap(osg::Texture::WRAP_S,osg::Texture::CLAMP_TO_BORDER);
        texture->setWrap(osg::Texture::WRAP_T,osg::Texture::CLAMP_TO_BORDER);

        ss.setTextureAttributeAndModes(0,texture.get());

        //ss.removeTextureAttribute(0,texture.get());
}
int main()
{
        osg::ref_ptr<osg::ImageSequence> imageSquence=new osg::ImageSequence;

        imageSquence->addImageFile("images/w1.png");
        imageSquence->addImageFile("images/w2.png");
        imageSquence->addImageFile("images/w3.png");
        imageSquence->addImageFile("images/w4.png");
       
        osg::ref_ptr<osg::Geode> geode=new osg::Geode;
        geode->addDrawable(osg::createTexturedQuadGeometry(osg::Vec3(0.0,0.0,0.0),osg::Vec3(1.0,0.0,0.0),osg::Vec3(0.0,0.0,1.0),1.0,1.0));
        createTexture2D(*(geode->getOrCreateStateSet()),imageSquence.get());

        imageSquence->setLength(5.0);
        imageSquence->setTimeMultiplier(4);
        imageSquence->play();

        osgViewer::Viewer viewer;
        viewer.setSceneData(geode.get());
        return viewer.run();
}



大神请问下，测试代码贴图展示正确，但是贴图到管线上，图片就变形了，请问各位，管线的纹理怎么实现贴图动画？