如何在Phaser.P2.body中应用摩擦力？在基于Air-Hockey移相器的游戏中。如何从曲棍球table上“关闭气流”？，在这个例子中:http://jsfiddle.net/ywzmkso3/32///InitializePhaser,andcreatesa400x490pxgamevargame=newPhaser.Game(400,400,Phaser.CANVAS,'game_div');vargame_state={};//Createsanew'main'statethatwilcontainthegamegame_state.main=function(){};g