一个数学题的演示动画

kasher

小孩学的奥数题，做出来，是不是更清晰呢？

kasher

[Actionscript3] 纯文本查看 复制代码

import flash.events.MouseEvent;

//数学题
var speedA:Number = pool.width / 300;
trace("speedA:"+speedA);
var speedB:Number =  -  pool.width / 320;
trace("speedB:"+speedB);

B.x = pool.width + pool.x - B.width;
var n:int = 1;//记录相遇
var j:int = 2;
var  h:int=2;
var meet:Boolean = false;
ta.text = "我是乙\n";
ta2.text = "我是甲\n";

btStart.addEventListener(MouseEvent.CLICK,onStart);
btRestart.addEventListener(MouseEvent.CLICK,onRestart);
btStart.visible = true;
btStop.visible = false;


function onStart(evt:MouseEvent):void
{
        A.addEventListener(Event.ENTER_FRAME, fl_AnimateHorizontally);
        B.addEventListener(Event.ENTER_FRAME, fl_AnimateHorizontallyB);
        btStart.visible = false;
        btStop.visible = true;

}


function onRestart(evt:MouseEvent):void
{
        A.x = 0;
        B.x = pool.width + pool.x - B.width;
        ta.text = "我是乙\n";
        ta2.text = "我是甲\n";
        n = 1;
        j = 2;
        meet = false;

        btStart.visible = true;

}


btStop.addEventListener(MouseEvent.CLICK,onStop);

function onStop(evt:MouseEvent):void
{
        A.removeEventListener(Event.ENTER_FRAME, fl_AnimateHorizontally);
        B.removeEventListener(Event.ENTER_FRAME, fl_AnimateHorizontallyB);
        btStop.visible = false;
        btStart.visible = true;
}


function fl_AnimateHorizontally(event:Event)
{
        if (A.x<(pool.width+pool.x-A.width)&&(A.x>pool.x||A.x==0))
        {

                A.x +=  speedA;
        }
        else
        {
                speedA =  -  speedA;
                A.x +=  speedA;
                ta2.appendText("甲：我游第"+h+"次。\n");
                h++;
                
        }


}



function fl_AnimateHorizontallyB(event:Event)
{
        var k:Number = pool.width + pool.x - B.width;
        if ((B.x<k||B.x==k)&&(B.x>pool.x||B.x==0))
        {

                B.x +=  speedB;
        }
        else
        {
                speedB =  -  speedB;
                B.x +=  speedB;
                ta.appendText("乙：我游第"+j+"次。\n");
                j++;
        }



        if (B.hitTestObject(A) && meet == false)
        {
                meet = true;
                ta.appendText("我和甲第"+n+"次相遇\n");
                ta2.appendText("我和乙第"+n+"次相遇\n");
                n++;

        }
        else
        {
                if (! B.hitTestObject(A))
                {
                        meet = false;
                }


        }


}

雪原xy

真不错！！！学习了！！您能多做一些这样的东西吗？

TKCB

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teroie751

謝謝大大分享，好厲害