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Question

Why does my gesture_swipe not work twice?

Forum|Forum|13 years ago
May 2, 2013
3 replies
2340 views

I have a game in which the user has to draw his pistol and then shoot targets. The user draws their pistol with an upward swipe on the screen (and can only do so once). The drawn boolean is to stop the user swiping twice. I have also removed the gesture swipe from the stage after it has been used once as an extra precaution.

stage.addEventListener(TransformGestureEvent.GESTURE_SWIPE, onStageSwipeDRAW);

function onStageSwipeDRAW (e:TransformGestureEvent):void {

if (drawn == false) {

if (e.offsetY == -1) {

pistol_mc.gotoAndPlay("drawGun");

drawn = true;

removeSwipeListeners();

}

//remove Listeners

function removeSwipeListeners ():void {

stage.removeEventListener(TransformGestureEvent.GESTURE_SWIPE, onStageSwipeDRAW);

}

Basically, my issue is, that when I send the player back around to the start of the game, they can no longer draw. No error, nothing, the function is just unresponsive.

If anyone has any ideas why this may be, that would be great, thank you.

(or any questions)

Thank you

This topic has been closed for replies.

kglad

Community Expert

what do the following traces show when replaying:

trace("added",drawn)
stage.addEventListener(TransformGestureEvent.GESTURE_SWIPE, onStageSwipeDRAW);
function onStageSwipeDRAW (e:TransformGestureEvent):void {
trace("function");
                if (drawn == false) {
                                if (e.offsetY == -1) {
                                                pistol_mc.gotoAndPlay("drawGun");
                                                drawn = true;
                                                removeSwipeListeners();
                                }
                }
}
//remove Listeners
function removeSwipeListeners ():void {
          stage.removeEventListener(TransformGestureEvent.GESTURE_SWIPE, onStageSwipeDRAW);
}
Basically, my issue is, that when I send the player back around to the start of the game, they can no longer draw. No error, nothing, the function is just unresponsive.
If anyone has any ideas why this may be, that would be great, thank you.
(or any questions)
Thank you

B

Banno92Author

Participating Frequently

This is my output when playing through the game.

OUTPUT:

added false <---entering game frame

function <---drawing pistol

added false <---re-entering game frame

it still won't let me swipe upward to enter the function though

kglad

Community Expert

at any time, do you add a TransformGestureEvent.GESTURE_SWIPE to another object?

if yes, you need to add an event dispatcher to the stage.

V

vamsibalu

Participating Frequently

May be in your case problem is with gotoAndStop('MAINMENU', "Scene 1");

don't use scene, in as3 using scenes are not recomended.

just use gotoAndStop('MAINMENU');

is this helpfull..?

Thanks,

Bala

B

Banno92Author

Participating Frequently

Thanks for replying to this bala. I originally had everything within one scene but it still didn't work. I only made it have two scenes in the hope that it may reset the offetY gesture...

But thank you, i was unaware using different scenes isn't good!

kglad

Community Expert

(there's no problem using scenes with as3.)

kglad

Community Expert

where is the variable drawn reset?

B

Banno92Author

Participating Frequently

It is reset on a button press in a later frame that sends you back to the main menu.

backtomenuEND_btn.addEventListener(MouseEvent.MOUSE_DOWN, gotoMAINMENUEND);

function gotoMAINMENUEND (e:MouseEvent):void {

drawn = false;

gotoAndStop('MAINMENU', "Scene 1");

stage.addEventListener(TransformGestureEvent.GESTURE_SWIPE, onStageSwipeDRAW);

}

I also try to add the gesture swipe function back here too.

(ps thank you for replying)

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