std::vector< VectorAnimationTaskPtr > mAnimationTasks;
std::vector< VectorAnimationTaskPtr > mCompletedTasks;
+ std::vector< VectorAnimationTaskPtr > mWorkingTasks;
RoundRobinContainerView< RasterizeHelper > mRasterizers;
SleepThread mSleepThread;
ConditionalWait mConditionalWait;