controller.enableGesture(Gesture.TYPE_SWIPE);
controller.enableGesture(Gesture.TYPE_SCREEN_TAP);
if(controller.config().setFloat("Gesture.Swipe.MinLength", 200.0) && controller.config().setFloat("Gesture.Swipe.MinVelocity", 500)) controller.config().save();
if(controller.config().setFloat("Gesture.ScreenTap.MinForwardVelocity", 30.0) && controller.config().setFloat("Gesture.ScreenTap.HistorySeconds", .5) && controller.config().setFloat("Gesture.ScreenTap.MinDistance", 1.0)) controller.config().save();
//etc...
Then catch it in the frame event listener:
private function onFrame( event:LeapEvent ):void
{
var frame:Frame = event.frame;
var gestures:Vector.<Gesture> = frame.gestures();
for ( var i:int = 0; i < gestures.length; i++ )
{
var gesture:Gesture = gestures[ i ];
switch ( gesture.type )
{
case Gesture.TYPE_SCREEN_TAP:
var screentap:ScreenTapGesture = ScreenTapGesture ( gesture);
trace ("ScreenTapGesture-> x: " + Math.round(screentap.position.x ) + ", y: "+ Math.round( screentap.position.y));
break;
case Gesture.TYPE_SWIPE:
var screenSwipe:SwipeGesture = SwipeGesture(gesture);
if(gesture.state == Gesture.STATE_START) {
//
}
else if(gesture.state == Gesture.STATE_STOP) {
//
trace("SwipeGesture-> direction: "+screenSwipe.direction + ", duration: " + screenSwipe.duration);
}
break;
default:
trace( "Unknown gesture type." )
}
}
}
When the event occurs, check the coordinates translated to the stage/screen and whether a hit test returns true.
EDIT: Considering I have no idea how to reliable get the touch point x/y (or better: how to translate them to the correct screen coordinates), I would probably do something like this in my onFrame event:
private function onFrame(event:LeapEvent):void {
var frame:Frame = event.frame;
var gestures:Vector.<Gesture> = frame.gestures();
var posX:Number;
var posY:Number;
var s:Shape;
if(frame.pointables.length > 0) {
var currentVector:Vector3 = screen.intersectPointable(frame.pointables[0], true); //get normalized vector
posX = 1920 * currentVector.x - stage.x; //NOTE: I hardcoded the screen res value, you can get it like var w:int = leap.locatedScreens()[0].widthPixels();
posY = 1080 * ( 1 - currentVector.y ) - stage.y; //NOTE: I hardcoded the screen res value, you can get it like var h:int = leap.locatedScreens()[0].heightPixels();
}
for(var i:int = 0; i < gestures.length; i++) {
var gesture:Gesture = gestures[i];
if(gesture.type == Gesture.TYPE_SCREEN_TAP) {
if(posX >= _button1.x &&
posX <= _button1.x + _button1.width &&
posY >= _button1.y &&
posY <= _button1.y + _button1.height) {
s = new Shape();
s.graphics.beginFill(0x00FF00);
s.graphics.drawCircle(0, 0, 10);
s.graphics.endFill();
s.x = posX;
s.y = posY;
stage.addChild(s);
trace("Lisa tocada!");
}
else {
s = new Shape();
s.graphics.beginFill(0xFF0000);
s.graphics.drawCircle(0, 0, 10);
s.graphics.endFill();
s.x = posX;
s.y = posY;
stage.addChild(s);
trace("Fallaste! Intentalo otra vez, tiempo: "+new Date().getTime());
}
}
}
}