private void doAnimationFrontToBack(float fraction, float fractionInterpolated) {
        if (mAnimType == InfiniteCardView.ANIM_TYPE_FRONT) {
            return;
        }
        mTransformerToBack.transformAnimation(mCardToBack.view, fraction, mCardWidth,
                mCardHeight, 0, mPositionToBack);
        if (mAnimInterpolator != null) {
            mTransformerToBack.transformInterpolatedAnimation(mCardToBack.view,
                    fractionInterpolated, mCardWidth, mCardHeight, 0, mPositionToBack);
        }
        doAnimationZIndex(mZIndexTransformerToBack, mCardToBack, fraction, fractionInterpolated,
                0, mPositionToBack);
    }
do animation for card moving from from to back

@param fraction             animation progress from 0.0f to 1.0f
@param fractionInterpolated interpolated animation progress
infinite-cards/src/main/java/com/bakerj/infinitecards/CardAnimationHelper.java