C++ (Cpp) UsdStagePtr::SetStartTimeCode示例

示例#1

文件： primWrapper.cpp 项目： mplanck/USD

void
GusdPrimWrapper::addLeadingBookend( double curFrame, double startFrame )
{
    if( curFrame != startFrame ) {
        double bookendFrame = curFrame - TIME_SAMPLE_DELTA;

        // Ensure the stage start frame <= bookendFrame
        UsdStagePtr stage = getUsdPrimForWrite().GetPrim().GetStage();
        if(stage) {
            double startFrame = stage->GetStartTimeCode();
            if( startFrame > bookendFrame) {
                stage->SetStartTimeCode(bookendFrame);
            }
        }

        getUsdPrimForWrite().GetVisibilityAttr().Set(UsdGeomTokens->invisible,
                                       UsdTimeCode(bookendFrame));
        getUsdPrimForWrite().GetVisibilityAttr().Set(UsdGeomTokens->inherited,
                                       UsdTimeCode(curFrame));   
    }
}