custom navigation drawer front view animations

frontviewAnimations.dart

/* 
FrontView Slide Animation 
*/

  Animation<Offset> _getSlideAnimation() {
    return Tween(begin: Offset(0.85, 0.0), end: Offset(0, 0)).animate(
        CurvedAnimation(parent: widget._controller, curve: Curves.linear));
  }

/*
Front View Scale Animation
*/

  Animation<double> _getScaleAnimation() {
    return Tween(begin: 0.7, end: 1.0).animate(
        CurvedAnimation(parent: widget._controller, curve: Curves.linear));
  }