一个2D基于verlet的Flash物理引擎。它用AS3编写而成。Fisix的目标是应用到游戏等计算量很大的实时应用中。尽管flash比c/c++要慢,很棒的物理引擎-Verlet based on a 2D physics engine for Flash. It has been prepared by AS3. Fisix goal is applied to calculating the amount of games a lot of real-time applications.