private:
/**
* Construct a new CubeTransitionWaveEffect object
* @param[in] numRows How many rows of cubes
* @param[in] numColumns How many columns of cubes
private:
/**
* Construct a new CubeTransitionWaveEffect object
* @param[in] numRows How many rows of cubes
* @param[in] numColumns How many columns of cubes