void QLeapEventListener::onFrame(const Controller & controller)
{
const Frame frame = controller.frame();
// Get gestures
const GestureList gestures = frame.gestures();
for (int g = 0; g < gestures.count(); ++g) {
Gesture gesture = gestures[g];
switch (gesture.type()) {
case Gesture::TYPE_CIRCLE:
{
CircleGesture circle = gesture;
std::string clockwiseness;
if (circle.pointable().direction().angleTo(circle.normal()) <= PI/4) {
clockwiseness = "clockwise";
} else {
clockwiseness = "counterclockwise";
}
// Calculate angle swept since last frame
float sweptAngle = 0;
if (circle.state() != Gesture::STATE_START) {
CircleGesture previousUpdate = CircleGesture(controller.frame(1).gesture(circle.id()));
sweptAngle = (circle.progress() - previousUpdate.progress()) * 2 * PI;
}
std::cout << "Circle id: " << gesture.id()
<< ", state: " << gesture.state()
<< ", progress: " << circle.progress()
<< ", radius: " << circle.radius()
<< ", angle " << sweptAngle * RAD_TO_DEG
<< ", " << clockwiseness << std::endl;
break;
}
case Gesture::TYPE_SWIPE:
{
SwipeGesture swipe = gesture;
std::cout << "Swipe id: " << gesture.id()
<< ", state: " << gesture.state()
<< ", direction: " << swipe.direction()
<< ", speed: " << swipe.speed() << std::endl;
onSwipe(swipe);
break;
}
case Gesture::TYPE_KEY_TAP:
{
KeyTapGesture tap = gesture;
std::cout << "Key Tap id: " << gesture.id()
<< ", state: " << gesture.state()
<< ", position: " << tap.position()
<< ", direction: " << tap.direction()<< std::endl;
break;
}
case Gesture::TYPE_SCREEN_TAP:
{
ScreenTapGesture screentap = gesture;
std::cout << "Screen Tap id: " << gesture.id()
<< ", state: " << gesture.state()
<< ", position: " << screentap.position()
<< ", direction: " << screentap.direction()<< std::endl;
break;
}
default:
std::cout << "Unknown gesture type." << std::endl;
break;
}
}
}
bool GalleryScroll::init(const ImageCallback &cb, const std::vector<std::string> &vec, size_t selected) {
if (!Node::init()) {
return false;
}
_imageCallback = cb;
_overscrollTop = construct<Overscroll>(Overscroll::Top);
_overscrollTop->setColor(material::Color::Grey_500);
addChild(_overscrollTop, maxOf<int>() - 2);
_overscrollBottom = construct<Overscroll>(Overscroll::Bottom);
_overscrollBottom->setColor(material::Color::Grey_500);
addChild(_overscrollBottom, maxOf<int>() - 2);
_overscrollLeft = construct<Overscroll>(Overscroll::Left);
_overscrollLeft->setColor(material::Color::Grey_500);
addChild(_overscrollLeft, maxOf<int>() - 2);
_overscrollRight = construct<Overscroll>(Overscroll::Right);
_overscrollRight->setColor(material::Color::Grey_500);
addChild(_overscrollRight, maxOf<int>() - 2);
auto l = Rc<gesture::Listener>::create();
l->setTouchFilter([this] (const Vec2 &loc, const gesture::Listener::DefaultTouchFilter &f) {
return f(loc);
});
l->setTapCallback([this] (gesture::Event ev, const gesture::Tap &t) {
if (_actionCallback) {
_actionCallback(t.count==1?Tap:DoubleTap);
}
return onTap(t.location(), t.count);
});
l->setSwipeCallback([this] (gesture::Event ev, const gesture::Swipe &s) {
auto density = screen::density();
if (ev == stappler::gesture::Event::Began) {
if (_actionCallback) {
_actionCallback(Swipe);
}
return onSwipeBegin(s.location());
} else if (ev == stappler::gesture::Event::Activated) {
return onSwipe(cocos2d::Vec2(s.delta.x / density, s.delta.y / density));
} else if (ev == stappler::gesture::Event::Ended) {
return onSwipeEnd(cocos2d::Vec2(s.velocity.x / density, s.velocity.y / density));
}
return true;
});
l->setPinchCallback([this] (stappler::gesture::Event ev, const stappler::gesture::Pinch &p) {
if (ev == stappler::gesture::Event::Began) {
if (_actionCallback) {
_actionCallback(Pinch);
}
_hasPinch = true;
} else if (ev == stappler::gesture::Event::Activated) {
_hasPinch = false;
return onPinch(p.location(), p.scale, p.velocity, false);
} else if (ev == stappler::gesture::Event::Ended || ev == stappler::gesture::Event::Cancelled) {
_hasPinch = false;
return onPinch(p.location(), p.scale, p.velocity, true);
}
return true;
});
addComponent(l);
_gestureListener = l;
_images = vec;
reset(selected);
return true;
}
