osg.DrawableUpdateCallback是OpenSceneGraph中的一个回调类,用于更新可绘制对象(osg::Drawable)的数据。
osg::Object > osg::Callback > osg::Drawable::UpdateCallback > osg::DrawableUpdateCallback
osg::Objectosg::Callbackosg::Drawable::UpdateCallbackDrawableUpdateCallback();
virtual void update(osg::NodeVisitor* nv, osg::Drawable* drawable) = 0;
osg::NodeVisitor* nv:节点访问器对象osg::Drawable* drawable:需要更新数据的可绘制对象osgWidget::Box::HorizDrawable::UpdateCallbackosgWidget::Box::VertDrawable::UpdateCallbackosgParticle::PrecipitationDrawable::UpdateCallbackosgParticle::SmokeTrailEffect::SmokeTrailEffectCallbackosgParticle::ExplosionDebrisEffect::ExplosionDebrisEffectCallbackosgFX::Scribe::ScribeCallbackosgFX::Cartoon::CartoonCallbackosgSim::VisibilityGroup::UpdateCallbackosgSim::ImpostorSpriteSheet::UpdateCallbackosgSim::ImpostorSprite::UpdateCallbackosgSim::LocatorHighlightVector::LocatorHighlightVectorUpdateCallbackosgSim::DebugFixedLengthSegment::UpdateCallbackosgSim::TexturedLineOfSight::UpdateCallbackosgSim::OverlayNode::NodeOverlayUpdateCallbackosgSim::RadialShadowMap::ViewOverlayUpdateCallbackosgSim::DOFTransform::ViewOverlayUpdateCallbackosgSim::FrustumCuller::ViewOverlayUpdateCallbackosgSim::Layer::ViewOverlayUpdateCallbackosgSim::OverlayNode::ViewOverlayUpdateCallbackosgSim::BillboardNode::ViewportOverlayTextureSubloadCallbackosgSim::SimpleExpression::SimpleExpressionCallbackosgEarth::SplatLayer::SplatDrawable::SplatUpdateCallbackosgEarth::SplatLayer::SplatDrawable::SplatCOITextureUpdateCallbackosgEarth::SplatLayer::SplatDrawable::SplatLUTTextureUpdateCallback