The following graphs demonstrate the different values of EasingMode, where f(t) represents the animation progress and t represents time.
BackEase
BounceEase
CircleEase
CubicEase
ElasticEase
ExponentialEase
PowerEase
QuadraticEase
QuarticEase
QuinticEase
SineEase
EaseMode
原文：http://www.cnblogs.com/MinieGoGo/p/3972168.html
