Hi everyone.
I am working on a game for my university project and I have run into a bit of trouble. I have the following code here:

function launchBall() {
this.stage.addEventListener(KeyboardEvent.KEY_DOWN ,launchBallHandler);
function launchBallHandler(e:KeyboardEvent):void {
if (e.keyCode==32) {
space=true;
if (space==true) {
ball.xVel=20-Math.random()*19+1;
ball.yVel=20-Math.random()*19+1;
}
}
}
}

Its set up so that when a ball goes off screen, it resets to a coordinate and launchBall is called.

LaunchBall then adds the event listener to see when the Space key is pressed and that starts the ball moving again. The problem I have now is I cant seem to get rid of that eventListener. I have tried removeEventListener and that doesn't seem to work. I have tried:

if (ball.xVel>0 && ball.yVel>0) {
removeEventListener(KeyboardEvent.KEY_DOWN,launchB allHandler);

just below that code and that doesn't work either. It's not spitting any errors out at me but I am completely stumped.

Anybody have any idea on what I can do? Thanks for any help you can give me.