//中心坐标

const centerX = 200

const centerY = 150;

//旋转半径

const r = 200;

var timer:Timer = new Timer(30);//间隔为30ms

var t1:Number = 0;

var t2:Number = 180;

timer.addEventListener(TimerEvent.TIMER, timerHandler);

timer.start();

a.tip.text="aaaa";

b.tip.text="bbbb";

function timerHandler(e:TimerEvent):void {

if(t1==180)

timer.removeEventListener(TimerEvent.TIMER, timerHandler);

a.x = centerX + r*Math.cos(t2/180*Math.PI);

a.y = centerY + r*Math.sin(t2/180*Math.PI);

b.x = centerX + r*Math.cos(t1/180*Math.PI);

b.y = centerY + r*Math.sin(t1/180*Math.PI);

trace(a.x+"===="+b.x);

trace(a.y+"==="+a.y);

/* a.x = centerX + r*Math.cos(t);

a.y = centerY + r*Math.sin(t);*/

t1 += 5;

t2 += 5;

trace(t1+"========"+t2)

e.updateAfterEvent();

}