球在成长时如何与其他球碰撞？

Question

我试图阻止球的开槽并且当球击到另一个球时掉到舞台的底部。但是我不能。 我尝试了设定距离，但没有奏效。

我添加了游戏图片

我的代码

敌人球（绿色）相互接触很好。但不要用鼠标触摸圆圈。球触摸黑球但没有看到触摸按摩。只有触摸鼠标箭头才会出现触摸信息。

        import flash.display.MovieClip;
import flash.display.Stage;
import flash.events.Event;
import flash.events.KeyboardEvent;
import Ball;
import Tekno;

var nSpeedX:Number;
var nSpeedY:Number;

var nStageWidth:Number = 500;
var nStageHeight:Number = 400;

var NSpeedX:Number;
var NSpeedY:Number;




var the_kall:kall;      //Big ball ( make by player)
var mcKall:boru;       //Red ball 
var drawing:Boolean=false;
var nNumBalls:Number = 2;
var initX:Number=0.0;
var initY:Number=0.0;
var topisler:Number=0;



var pressed:Boolean=false;


var MCBallA:MovieClip;
var MCBallB:MovieClip;




var zamzam:Boolean=false;


var kao:Number=10;
var kao2:Number=10;





var mcBallContainer:MovieClip;
var mcfakContainer:MovieClip;
var mcKallCont:MovieClip;



stage.addEventListener(MouseEvent.MOUSE_DOWN,mousePressed);
function mousePressed(e:MouseEvent) {

    zamzam=true;




}


  //*********   Create red ball if mouse press up

stage.addEventListener(MouseEvent.MOUSE_UP,mousebrk);
function mousebrk(e:MouseEvent) {

    zamzam=false;
    topisler +=1;
    kao =1;
    kao2 =1;

    mcKallCont = new MovieClip () ;
            stage.addChild(mcKallCont);

    mcKall = new boru ();
    mcKallCont.x =the_kall.x ;
    mcKallCont.y = the_kall.y;
    mcKall.width =the_kall.width;
    mcKall.height =the_kall.height;
    mcKallCont.addChild ( mcKall );

    //for ( var p = 0; p < mcKallCont.numChildren; p++ ) 

    //var mcKall1:* = mcKallCont.getChildAt( p );




}





//*********   Create big ball

stage.addEventListener(Event.ENTER_FRAME,Update);
 function Update(e:Event) {


     if(zamzam==true){ //********check if mouse pressed

         the_kall = new kall();
            the_kall.x=mouseX;
            the_kall.y=mouseY;
            the_kall.width =kao;
            the_kall.height =kao2;
            addChild(the_kall);


          kao +=1;
           kao2 +=1;
    ///////////


     }





 }








//**************Drag

stage.addEventListener(MouseEvent.MOUSE_MOVE,mouseMoved);
function mouseMoved(e:MouseEvent) {
    if (drawing) {
                the_kall.x=mouseX;
                the_kall.y=mouseY;
            }
}











        //************Add black balls and check collision


stage.addEventListener(Event.ENTER_FRAME,BallCollision);
function BallCollision(oly:Event) {

mcBallContainer = new MovieClip ( ) ;
            mcBallContainer.x = mcBallContainer.y = 0;
            stage.addChild(mcBallContainer);

            this.addEventListener ( Event.ENTER_FRAME, enterFrameHandler );

            for ( var i = 0; i < nNumBalls; i++ )
            {
                var mcBall:Ball = new Ball ( Math.floor ( ( Math.random() * 12 ) - 4 ), Math.floor ( ( Math.random() * 12 ) - 4 ) );
                mcBall.x = Math.random() * nStageWidth;
                mcBall.y = Math.random() * nStageHeight;
                mcBallContainer.addChild ( mcBall );
            }
            stage.removeEventListener(Event.ENTER_FRAME,BallCollision);
        }

function enterFrameHandler(oly:Event) {

    for ( var i = 0; i < mcBallContainer.numChildren; i++ )
            {
                var mcBall1:* = mcBallContainer.getChildAt( i );

                for ( var j = i + 1; j < mcBallContainer.numChildren; j++ )
                {
                    var mcBall2:* = mcBallContainer.getChildAt( j );

                    var nDistX:Number = Math.abs ( mcBall1.x - mcBall2.x );
                    var nDistY:Number = Math.abs ( mcBall1.y - mcBall2.y );
                    var nDistance:Number = Math.sqrt ( nDistX * nDistX + nDistY * nDistY );


                    //***********I Tried big ball vs black ball
                    var sDistx:Number = Math.abs ( mcBall1.x - the_kall.x );
                    var sDisty:Number = Math.abs ( mcBall1.y - the_kall.y );
                    var nsistance:Number = Math.sqrt ( sDistx * sDistx + sDisty * sDisty );



                    if ( nsistance < 20 )
                    {
                        touch.text="balls are touch";
                    }




                    if ( nDistance < 20 )
                    {
                        solveBalls ( mcBall1, mcBall2 ); //*****if black balls touch each other
                    }


                }
            }
             onda.text=String(nsistance);



        }

          function solveBalls ( MCBallA:MovieClip, MCBallB:MovieClip ) : void
        {
            var nX1:Number = MCBallA.x;
            var nY1:Number = MCBallA.y;
            var nDistX:Number = MCBallB.x - nX1;
            var nDistY:Number = MCBallB.y - nY1;

            var nDistance:Number = Math.sqrt ( nDistX * nDistX + nDistY * nDistY );
            var nRadiusA:Number = MCBallA.width/2;
            var nRadiusB:Number = MCBallB.width/2;
            //var nRadius:Number = 10;

            var nNormalX:Number = nDistX/nDistance;
            var nNormalY:Number = nDistY/nDistance;

            var nMidpointX:Number = ( nX1 + MCBallB.x )/2;
            var nMidpointY:Number = ( nY1 + MCBallB.y )/2;

            MCBallA.x = nMidpointX - nNormalX * nRadiusA;
            MCBallA.y = nMidpointY - nNormalY * nRadiusA;
            MCBallB.x = nMidpointX + nNormalX * nRadiusB;
            MCBallB.y = nMidpointY + nNormalY * nRadiusB;

            var nVector:Number = ( ( MCBallA.nSpeedX - MCBallB.nSpeedX ) * nNormalX )+ ( ( MCBallA.nSpeedY - MCBallB.nSpeedY ) * nNormalY );
            var nVelX:Number = nVector * nNormalX;
            var nVelY:Number = nVector * nNormalY;

            MCBallA.nSpeedX -= nVelX;
            MCBallA.nSpeedY -= nVelY;
            MCBallB.nSpeedX += nVelX;
            MCBallB.nSpeedY += nVelY;
        }



//just test blue ball

/*                  stage.addEventListener(Event.ENTER_FRAME,test);
function test(oly:Event) {


if(the_kall.hitTestObject(keko)){
        zacma.text="llj"; 
        }
}*/






stop();