//Main Event driven tick
void ULeapController::InterfaceEventTick(float DeltaTime)
{
//This is our tick event that is forwarded from the delegate, check validity
if (!_private->interfaceDelegate) return;
//Pointers
Leap::Frame frame = _private->leap.frame();
Leap::Frame pastFrame = _private->leap.frame(1);
//-Hands-
//Hand Count
int handCount = frame.hands().count();
if (_private->pastState.handCount != handCount)
{
ILeapEventInterface::Execute_HandCountChanged(_private->interfaceDelegate, handCount);
//Zero our input mapping orientations (akin to letting go of a joystick)
if (handCount == 0)
{
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmPitch, 0, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmYaw, 0, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmRoll, 0, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmPitch, 0, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmYaw, 0, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmRoll, 0, 0, 0);
}
}
//Cycle through each hand
for (int i = 0; i < handCount; i++)
{
Leap::Hand hand = frame.hands()[i];
LeapHandStateData pastHandState = _private->pastState.stateForId(hand.id()); //we use a custom class to hold reliable state tracking based on id's
//Make a ULeapHand
if (_private->eventHand == NULL)
{
_private->eventHand = NewObject<ULeapHand>(this);
_private->eventHand->SetFlags(RF_RootSet);
}
_private->eventHand->setHand(hand);
//Emit hand
ILeapEventInterface::Execute_LeapHandMoved(_private->interfaceDelegate, _private->eventHand);
//Left/Right hand forwarding
if (hand.isRight())
{
ILeapEventInterface::Execute_LeapRightHandMoved(_private->interfaceDelegate, _private->eventHand);
//Input Mapping
FRotator palmOrientation = _private->eventHand->PalmOrientation;
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmPitch, palmOrientation.Pitch * LEAP_IM_SCALE, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmYaw, palmOrientation.Yaw * LEAP_IM_SCALE, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmRoll, palmOrientation.Roll * LEAP_IM_SCALE, 0, 0);
} else if (hand.isLeft())
{
ILeapEventInterface::Execute_LeapLeftHandMoved(_private->interfaceDelegate, _private->eventHand);
//Input Mapping
FRotator palmOrientation = _private->eventHand->PalmOrientation;
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmPitch, palmOrientation.Pitch * LEAP_IM_SCALE, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmYaw, palmOrientation.Yaw * LEAP_IM_SCALE, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmRoll, palmOrientation.Roll * LEAP_IM_SCALE, 0, 0);
}
//Grabbing
float grabStrength = hand.grabStrength();
bool grabbed = handClosed(grabStrength);
if (grabbed)
ILeapEventInterface::Execute_LeapHandGrabbing(_private->interfaceDelegate, grabStrength, _private->eventHand);
if (grabbed && !pastHandState.grabbed)
{
ILeapEventInterface::Execute_LeapHandGrabbed(_private->interfaceDelegate, grabStrength, _private->eventHand);
//input mapping
if (_private->eventHand->HandType == LeapHandType::HAND_LEFT)
EmitKeyDownEventForKey(EKeysLeap::LeapLeftGrab, 0, 0);
else
EmitKeyDownEventForKey(EKeysLeap::LeapRightGrab, 0, 0);
}else if (!grabbed && pastHandState.grabbed)
{
ILeapEventInterface::Execute_LeapHandReleased(_private->interfaceDelegate, grabStrength, _private->eventHand);
//input mapping
if (_private->eventHand->HandType == LeapHandType::HAND_LEFT)
EmitKeyUpEventForKey(EKeysLeap::LeapLeftGrab, 0, 0);
else
EmitKeyUpEventForKey(EKeysLeap::LeapRightGrab, 0, 0);
}
//Pinching
float pinchStrength = hand.pinchStrength();
bool pinched = handPinched(pinchStrength);
//While grabbing disable pinching detection, this helps to reduce spam as pose confidence plummets
if (grabbed) pinched = pastHandState.pinched;
else
{
if (pinched)
ILeapEventInterface::Execute_LeapHandPinching(_private->interfaceDelegate, pinchStrength, _private->eventHand);
if (pinched && !pastHandState.pinched)
{
ILeapEventInterface::Execute_LeapHandPinched(_private->interfaceDelegate, pinchStrength, _private->eventHand);
//input mapping
if (_private->eventHand->HandType == LeapHandType::HAND_LEFT)
EmitKeyDownEventForKey(EKeysLeap::LeapLeftPinch, 0, 0);
else
EmitKeyDownEventForKey(EKeysLeap::LeapRightPinch, 0, 0);
}
else if (!pinched && pastHandState.pinched)
{
ILeapEventInterface::Execute_LeapHandUnpinched(_private->interfaceDelegate, pinchStrength, _private->eventHand);
//input mapping
if (_private->eventHand->HandType == LeapHandType::HAND_LEFT)
EmitKeyUpEventForKey(EKeysLeap::LeapLeftPinch, 0, 0);
else
EmitKeyUpEventForKey(EKeysLeap::LeapRightPinch, 0, 0);
}
}
//-Fingers-
Leap::FingerList fingers = hand.fingers();
//Count
int fingerCount = fingers.count();
if ((pastHandState.fingerCount != fingerCount))
ILeapEventInterface::Execute_FingerCountChanged(_private->interfaceDelegate, fingerCount);
if (_private->eventFinger == NULL)
{
_private->eventFinger = NewObject<ULeapFinger>(this);
_private->eventFinger->SetFlags(RF_RootSet);
}
Leap::Finger finger;
//Cycle through each finger
for (int j = 0; j < fingerCount; j++)
{
finger = fingers[j];
_private->eventFinger->setFinger(finger);
//Finger Moved
if (finger.isValid())
ILeapEventInterface::Execute_LeapFingerMoved(_private->interfaceDelegate, _private->eventFinger);
}
//Do these last so we can easily override debug shapes
//Leftmost
finger = fingers.leftmost();
_private->eventFinger->setFinger(finger);
ILeapEventInterface::Execute_LeapLeftMostFingerMoved(_private->interfaceDelegate, _private->eventFinger);
//Rightmost
finger = fingers.rightmost();
_private->eventFinger->setFinger(finger);
ILeapEventInterface::Execute_LeapRightMostFingerMoved(_private->interfaceDelegate, _private->eventFinger);
//Frontmost
finger = fingers.frontmost();
_private->eventFinger->setFinger(finger);
ILeapEventInterface::Execute_LeapFrontMostFingerMoved(_private->interfaceDelegate, _private->eventFinger);
//touch only for front-most finger, most common use case
float touchDistance = finger.touchDistance();
if (touchDistance <= 0.f)
ILeapEventInterface::Execute_LeapFrontFingerTouch(_private->interfaceDelegate, _private->eventFinger);
//Set the state data for next cycle
pastHandState.grabbed = grabbed;
pastHandState.pinched = pinched;
pastHandState.fingerCount = fingerCount;
_private->pastState.setStateForId(pastHandState, hand.id());
}
_private->pastState.handCount = handCount;
//Gestures
for (int i = 0; i < frame.gestures().count(); i++)
{
Leap::Gesture gesture = frame.gestures()[i];
Leap::Gesture::Type type = gesture.type();
switch (type)
{
case Leap::Gesture::TYPE_CIRCLE:
if (_private->eventCircleGesture == NULL){
_private->eventCircleGesture = NewObject<ULeapCircleGesture>(this);
_private->eventCircleGesture->SetFlags(RF_RootSet);
}
_private->eventCircleGesture->setGesture(Leap::CircleGesture(gesture));
ILeapEventInterface::Execute_CircleGestureDetected(_private->interfaceDelegate, _private->eventCircleGesture);
_private->eventGesture = _private->eventCircleGesture;
break;
case Leap::Gesture::TYPE_KEY_TAP:
if (_private->eventKeyTapGesture == NULL)
{
_private->eventKeyTapGesture = NewObject<ULeapKeyTapGesture>(this);
_private->eventKeyTapGesture->SetFlags(RF_RootSet);
}
_private->eventKeyTapGesture->setGesture(Leap::KeyTapGesture(gesture));
ILeapEventInterface::Execute_KeyTapGestureDetected(_private->interfaceDelegate, _private->eventKeyTapGesture);
_private->eventGesture = _private->eventKeyTapGesture;
break;
case Leap::Gesture::TYPE_SCREEN_TAP:
if (_private->eventScreenTapGesture == NULL)
{
_private->eventScreenTapGesture = NewObject<ULeapScreenTapGesture>(this);
_private->eventScreenTapGesture->SetFlags(RF_RootSet);
}
_private->eventScreenTapGesture->setGesture(Leap::ScreenTapGesture(gesture));
ILeapEventInterface::Execute_ScreenTapGestureDetected(_private->interfaceDelegate, _private->eventScreenTapGesture);
_private->eventGesture = _private->eventScreenTapGesture;
break;
case Leap::Gesture::TYPE_SWIPE:
if (_private->eventSwipeGesture == NULL)
{
_private->eventSwipeGesture = NewObject<ULeapSwipeGesture>(this);
_private->eventSwipeGesture->SetFlags(RF_RootSet);
}
_private->eventSwipeGesture->setGesture(Leap::SwipeGesture(gesture));
ILeapEventInterface::Execute_SwipeGestureDetected(_private->interfaceDelegate, _private->eventSwipeGesture);
_private->eventGesture = _private->eventSwipeGesture;
break;
default:
break;
}
//emit gesture
if (type != Leap::Gesture::TYPE_INVALID)
{
ILeapEventInterface::Execute_GestureDetected(_private->interfaceDelegate, _private->eventGesture);
}
}
//Image
if (_private->allowImages && _private->imageEventsEnabled)
{
int imageCount = frame.images().count();
for (int i = 0; i < imageCount; i++)
{
Leap::Image image = frame.images()[i];
//Loop modification - Only emit 0 and 1, use two different pointers so we can get different images
if (i == 0)
{
if (_private->eventImage1 == NULL)
{
_private->eventImage1 = NewObject<ULeapImage>(this);
_private->eventImage1->SetFlags(RF_RootSet);
}
_private->eventImage1->setLeapImage(image);
ILeapEventInterface::Execute_RawImageReceived(_private->interfaceDelegate, _private->eventImage1->Texture(), _private->eventImage1);
}
else if (i == 1)
{
if (_private->eventImage2 == NULL)
{
_private->eventImage2 = NewObject<ULeapImage>(this);
_private->eventImage2->SetFlags(RF_RootSet);
}
_private->eventImage2->setLeapImage(image);
ILeapEventInterface::Execute_RawImageReceived(_private->interfaceDelegate, _private->eventImage2->Texture(), _private->eventImage2);
}
}
}
}
static VALUE gesture_type(VALUE self)
{
Leap::Gesture * gesture;
Data_Get_Struct(self, Leap::Gesture, gesture);
return INT2NUM(gesture->type());
}
void oleap_bang(t_oleap *x)
{
const Leap::Frame frame = x->leap->frame();
const int64_t frame_id = frame.id();
Leap::Controller controller;
// ignore the same frame
if (frame_id == x->frame_id_save) return;
x->frame_id_save = frame_id;
//outlet_anything(x->outlet, gensym("frame_start"), 0, nil);
char buff[128];
const Leap::HandList hands = frame.hands();
const size_t numHands = hands.count();
const Leap::Hand leftmost = hands.leftmost();
const Leap::Hand rightmost = hands.rightmost();
t_osc_bundle_u *bundle = osc_bundle_u_alloc();//alloc creates memory for and initializes the bundle
controller.enableGesture(Leap::Gesture::TYPE_CIRCLE);
controller.enableGesture(Leap::Gesture::TYPE_KEY_TAP);
controller.enableGesture(Leap::Gesture::TYPE_SCREEN_TAP);
controller.enableGesture(Leap::Gesture::TYPE_SWIPE);
// Get gestures
const Leap::GestureList gestures = frame.gestures();
for (int g = 0; g < gestures.count(); ++g) {
Leap::Gesture gesture = gestures[g];
switch (gesture.type()) {
case Leap::Gesture::TYPE_CIRCLE:
{
Leap::CircleGesture circle = gesture;
std::string clockwiseness;
sprintf(buff,"/gesture/circle/center/x");
oleap_bundleMessage(bundle,buff,circle.center().x);
sprintf(buff,"/gesture/circle/center/y");
oleap_bundleMessage(bundle,buff,circle.center().y);
sprintf(buff,"/gesture/circle/center/z");
oleap_bundleMessage(bundle,buff,circle.center().z);
sprintf(buff,"/gesture/circle/pitch");
oleap_bundleMessage(bundle,buff,circle.center().pitch());
sprintf(buff,"/gesture/circle/yaw");
oleap_bundleMessage(bundle,buff,circle.center().yaw());
sprintf(buff,"/gesture/circle/roll");
oleap_bundleMessage(bundle,buff,circle.center().roll());
sprintf(buff,"/gesture/circle/radius");
oleap_bundleMessage(bundle,buff,circle.radius());
sprintf(buff,"/gesture/circle/duration");
oleap_bundleMessage(bundle,buff,circle.duration());
if (circle.pointable().direction().angleTo(circle.normal()) <= Leap::PI/4) {
clockwiseness = "clockwise";
sprintf(buff,"/gesture/circle/clockwiseness/");
oleap_bundleMessage(bundle,buff,1);
} else {
clockwiseness = "counterclockwise";
sprintf(buff,"/gesture/circle/clockwiseness/");
oleap_bundleMessage(bundle,buff,-1);
}
// Calculate angle swept since last frame
float sweptAngle = 0;
if (circle.state() != Leap::Gesture::STATE_START) {
Leap::CircleGesture previousUpdate = Leap::CircleGesture(controller.frame(1).gesture(circle.id()));
sweptAngle = (circle.progress() - previousUpdate.progress()) * 2 * Leap::PI;
sprintf(buff,"/gesture/circle/angle/sweep");
oleap_bundleMessage(bundle,buff,sweptAngle);
}
}
case Leap::Gesture::TYPE_SWIPE:
{
Leap::SwipeGesture swipe = gesture;
int swipe_id = gesture.id();
int gesture_state = gesture.state();
Leap::Vector swipe_direction = swipe.direction();
float swipe_speed = swipe.speed();
////////////////////////////////Swipe data
sprintf(buff,"/gesture/swipe/direction/x");
oleap_bundleMessage(bundle,buff,swipe_direction.x);
sprintf(buff,"/gesture/swipe/direction/x");
oleap_bundleMessage(bundle,buff,swipe_direction.y);
sprintf(buff,"/gesture/swipe/direction/x");
oleap_bundleMessage(bundle,buff,swipe_direction.z);
sprintf(buff,"/gesture/swipe/position/x");
oleap_bundleMessage(bundle,buff,swipe.position().x);
sprintf(buff,"/gesture/swipe/position/y");
oleap_bundleMessage(bundle,buff,swipe.position().y);
sprintf(buff,"/gesture/swipe/position/z");
oleap_bundleMessage(bundle,buff,swipe.position().z);
sprintf(buff,"/gesture/swipe/pitch");
oleap_bundleMessage(bundle,buff,swipe.position().pitch());
sprintf(buff,"/gesture/swipe/yaw");
oleap_bundleMessage(bundle,buff,swipe.position().yaw());
sprintf(buff,"/gesture/swipe/roll");
oleap_bundleMessage(bundle,buff,swipe.position().roll());
sprintf(buff,"/gesture/swipe/position/start/x");
oleap_bundleMessage(bundle,buff,swipe.startPosition().x);
sprintf(buff,"/gesture/swipe/position/start/y");
oleap_bundleMessage(bundle,buff,swipe.startPosition().y);
sprintf(buff,"/gesture/swipe/position/start/z");
oleap_bundleMessage(bundle,buff,swipe.startPosition().z);
sprintf(buff,"/gesture/swipe/speed");
oleap_bundleMessage(bundle,buff,swipe_speed);
sprintf(buff,"/gesture/swipe/duration");
oleap_bundleMessage(bundle,buff,swipe.duration());
}
case Leap::Gesture::TYPE_KEY_TAP:
{
Leap::KeyTapGesture tap = gesture;
int tap_id = gesture.id();
int tap_state = gesture.state();
Leap::Vector tap_position = tap.position();
Leap::Vector tap_direction = tap.direction();
////////////////////////////////Key tap data
sprintf(buff,"/gesture/tap/down/position/x");
oleap_bundleMessage(bundle,buff,tap_position.x);
sprintf(buff,"/gesture/tap/down/position/y");
oleap_bundleMessage(bundle,buff,tap_position.y);
sprintf(buff,"/gesture/tap/down/position/z");
oleap_bundleMessage(bundle,buff,tap_position.z);
sprintf(buff,"/gesture/tap/down/direction/x");
oleap_bundleMessage(bundle,buff,tap_direction.x);
sprintf(buff,"/gesture/tap/down/direction/y");
oleap_bundleMessage(bundle,buff,tap_direction.y);
sprintf(buff,"/gesture/tap/down/direction/z");
oleap_bundleMessage(bundle,buff,tap_direction.z);
sprintf(buff,"/gesture/tap/down/duration");
oleap_bundleMessage(bundle,buff,tap.duration());
}
case Leap::Gesture::TYPE_SCREEN_TAP:
{
Leap::ScreenTapGesture screentap = gesture;
int screen_tap_id = gesture.id();
int screen_tap_state = gesture.state();
Leap::Vector screentap_position = screentap.position();
Leap::Vector screentap_direction = screentap.direction();
////////////////////////////////Screen tap data
sprintf(buff,"/gesture/tap/forward/position/x");
oleap_bundleMessage(bundle,buff,screentap_position.x);
sprintf(buff,"/gesture/tap/forward/position/y");
oleap_bundleMessage(bundle,buff,screentap_position.y);
sprintf(buff,"/gesture/tap/forward/position/z");
oleap_bundleMessage(bundle,buff,screentap_position.z);
sprintf(buff,"/gesture/tap/forward/direction/x");
oleap_bundleMessage(bundle,buff,screentap_direction.x);
sprintf(buff,"/gesture/tap/forward/direction/y");
oleap_bundleMessage(bundle,buff,screentap_direction.y);
sprintf(buff,"/gesture/tap/forward/direction/z");
oleap_bundleMessage(bundle,buff,screentap_direction.z);
sprintf(buff,"/gesture/tap/forward/duration");
oleap_bundleMessage(bundle,buff,screentap.duration());
}
default:
break;
}
}
sprintf(buff,"/timeStamp");
oleap_bundleMessage(bundle,buff,frame.timestamp());
sprintf(buff,"/Hands");
oleap_bundleMessage(bundle,buff,numHands);
sprintf(buff,"/hand/leftmost/id");
oleap_bundleMessage(bundle,buff,leftmost.id());
sprintf(buff,"/hand/leftmost/palm/positiony/x");
oleap_bundleMessage(bundle,buff,leftmost.palmPosition().x);
sprintf(buff,"/hand/leftmost/palm/positiony/y");
oleap_bundleMessage(bundle,buff,leftmost.palmPosition().y);
sprintf(buff,"/hand/leftmost/palm/positiony/z");
oleap_bundleMessage(bundle,buff,leftmost.palmPosition().z);
sprintf(buff,"/hand/leftmost/direction/x");
oleap_bundleMessage(bundle,buff,leftmost.direction().x);
sprintf(buff,"/hand/leftmost/direction/y");
oleap_bundleMessage(bundle,buff,leftmost.direction().y);
sprintf(buff,"/hand/leftmost/direction/z");
oleap_bundleMessage(bundle,buff,leftmost.direction().z);
sprintf(buff,"/hand/leftmost/pitch");
oleap_bundleMessage(bundle,buff,leftmost.palmPosition().pitch());
sprintf(buff,"/hand/leftmost/yaw");
oleap_bundleMessage(bundle,buff,leftmost.palmPosition().yaw());
sprintf(buff,"/hand/leftmost/roll");
oleap_bundleMessage(bundle,buff,leftmost.palmPosition().roll());
sprintf(buff,"/hand/leftmost/palm/velocity/x");
oleap_bundleMessage(bundle,buff,leftmost.palmVelocity().x);
sprintf(buff,"/hand/leftmost/palm/velocity/y");
oleap_bundleMessage(bundle,buff,leftmost.palmVelocity().y);
sprintf(buff,"/hand/leftmost/palm/velocity/z");
oleap_bundleMessage(bundle,buff,leftmost.palmVelocity().z);
sprintf(buff,"/hand/leftmost/palm/sphere/center/x");
oleap_bundleMessage(bundle,buff,leftmost.sphereCenter().x);
sprintf(buff,"/hand/leftmost/palm/sphere/center/y");
oleap_bundleMessage(bundle,buff,leftmost.sphereCenter().y);
sprintf(buff,"/hand/leftmost/palm/sphere/center/z");
oleap_bundleMessage(bundle,buff,leftmost.sphereCenter().z);
sprintf(buff,"/hand/leftmost/palm/sphere/radius");
oleap_bundleMessage(bundle,buff,leftmost.sphereRadius());
sprintf(buff,"/hand/leftmost/palm/normal/x");
oleap_bundleMessage(bundle,buff,leftmost.palmNormal().x);
sprintf(buff,"/hand/leftmost/palm/normal/y");
oleap_bundleMessage(bundle,buff,leftmost.palmNormal().y);
sprintf(buff,"/hand/leftmost/palm/normal/z");
oleap_bundleMessage(bundle,buff,leftmost.palmNormal().z);
sprintf(buff,"/hand/leftmost/distance/from/rightmost");
oleap_bundleMessage(bundle,buff,leftmost.palmPosition().angleTo(rightmost.palmPosition()));
const Leap::FingerList &fingers = leftmost.fingers();
const size_t numFingers = fingers.count();
for(size_t j = 0; j < numFingers; j++)
{
const Leap::Finger &finger = fingers[j];
const int32_t finger_id = finger.id();
//const Leap::Ray& tip = finger.tip();
const Leap::Vector direction = finger.direction();
const Leap::Vector position = finger.tipPosition();
const Leap::Vector velocity = finger.tipVelocity();
const double width = finger.width();
const double length = finger.length();
const bool isTool = finger.isTool();
sprintf(buff,"/hand/leftmost/finger/%d/hand_id",j+1);
oleap_bundleMessage(bundle,buff,leftmost.id());
sprintf(buff,"/hand/leftmost/finger/%d/finger_id",j+1);
oleap_bundleMessage(bundle,buff,finger.id());
sprintf(buff,"/hand/leftmost/finger/%d/position/x",j+1);
oleap_bundleMessage(bundle,buff,position.x);
sprintf(buff,"/hand/leftmost/finger/%d/position/y",j+1);
oleap_bundleMessage(bundle,buff,position.y);
sprintf(buff,"/hand/leftmost/finger/%d/position/z",j+1);
oleap_bundleMessage(bundle,buff,position.z);
sprintf(buff,"/hand/leftmost/finger/%d/direction/x",j+1);
oleap_bundleMessage(bundle,buff,direction.x);
sprintf(buff,"/hand/leftmost/finger/%d/direction/y",j+1);
oleap_bundleMessage(bundle,buff,direction.y);
sprintf(buff,"/hand/leftmost/finger/%d/direction/z",j+1);
oleap_bundleMessage(bundle,buff,direction.z);
sprintf(buff,"/hand/leftmost/finger/%d/velocity/x",j+1);
oleap_bundleMessage(bundle,buff,velocity.x);
sprintf(buff,"/hand/leftmost/finger/%d/velocity/y",j+1);
oleap_bundleMessage(bundle,buff,velocity.y);
sprintf(buff,"/hand/leftmost/finger/%d/velocity/z",j+1);
oleap_bundleMessage(bundle,buff,velocity.z);
sprintf(buff,"/hand/leftmost/finger/%d/direction/normalized/x",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().x);
sprintf(buff,"/hand/leftmost/finger/%d/direction/normalized/y",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().y);
sprintf(buff,"/hand/leftmost/finger/%d/direction/normalized/z",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().z);
sprintf(buff,"/hand/leftmost/finger/%d/pitch/normalized/",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().pitch());
sprintf(buff,"/hand/leftmost/finger/%d/yaw/normalized/",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().yaw());
sprintf(buff,"/hand/leftmost/finger/%d/roll/normalized/",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().roll());
sprintf(buff,"/hand/leftmost/finger/%d/width",j+1);
oleap_bundleMessage(bundle,buff,width);
sprintf(buff,"/hand/leftmost/finger/%d/length",j+1);
oleap_bundleMessage(bundle,buff,length);
sprintf(buff,"/hand/leftmost/isTool",j+1);
oleap_bundleMessage(bundle,buff,isTool);
for(size_t i = j+1; i < numFingers; i++)
{
sprintf(buff,"/hand/leftmost/finger/%d/distance/to/finger/%d",j+1,i+1);
oleap_bundleMessage(bundle,buff,fingers[j].direction().distanceTo(fingers[i].direction()));
sprintf(buff,"/hand/leftmost/finger/%d/angle/to/finger/%d",j+1,i+1);
oleap_bundleMessage(bundle,buff,fingers[j].direction().angleTo((fingers[i].direction())));
}
}
sprintf(buff,"/hand/rightmost/id");
oleap_bundleMessage(bundle,buff,rightmost.id());
sprintf(buff,"/hand/rightmost/palm/positiony/x");
oleap_bundleMessage(bundle,buff,rightmost.palmPosition().x);
sprintf(buff,"/hand/rightmost/palm/positiony/y");
oleap_bundleMessage(bundle,buff,rightmost.palmPosition().y);
sprintf(buff,"/hand/rightmost/palm/positiony/z");
oleap_bundleMessage(bundle,buff,rightmost.palmPosition().z);
sprintf(buff,"/hand/rightmost/direction/x");
oleap_bundleMessage(bundle,buff,rightmost.direction().x);
sprintf(buff,"/hand/rightmost/direction/y");
oleap_bundleMessage(bundle,buff,rightmost.direction().y);
sprintf(buff,"/hand/rightmost/direction/z");
oleap_bundleMessage(bundle,buff,rightmost.direction().z);
sprintf(buff,"/hand/rightmost/pitch");
oleap_bundleMessage(bundle,buff,rightmost.palmPosition().pitch());
sprintf(buff,"/hand/rightmost/yaw");
oleap_bundleMessage(bundle,buff,rightmost.palmPosition().yaw());
sprintf(buff,"/hand/rightmost/roll");
oleap_bundleMessage(bundle,buff,rightmost.palmPosition().roll());
sprintf(buff,"/hand/rightmost/palm/velocity/x");
oleap_bundleMessage(bundle,buff,rightmost.palmVelocity().x);
sprintf(buff,"/hand/rightmost/palm/velocity/y");
oleap_bundleMessage(bundle,buff,rightmost.palmVelocity().y);
sprintf(buff,"/hand/rightmost/palm/velocity/z");
oleap_bundleMessage(bundle,buff,rightmost.palmVelocity().z);
sprintf(buff,"/hand/rightmost/palm/sphere/center/x");
oleap_bundleMessage(bundle,buff,rightmost.sphereCenter().x);
sprintf(buff,"/hand/rightmost/palm/sphere/center/y");
oleap_bundleMessage(bundle,buff,rightmost.sphereCenter().y);
sprintf(buff,"/hand/rightmost/palm/sphere/center/z");
oleap_bundleMessage(bundle,buff,rightmost.sphereCenter().z);
sprintf(buff,"/hand/rightmost/palm/sphere/radius");
oleap_bundleMessage(bundle,buff,rightmost.sphereRadius());
sprintf(buff,"/hand/rightmost/palm/normal/x");
oleap_bundleMessage(bundle,buff,rightmost.palmNormal().x);
sprintf(buff,"/hand/rightmost/palm/normal/y");
oleap_bundleMessage(bundle,buff,rightmost.palmNormal().y);
sprintf(buff,"/hand/rightmost/palm/normal/z");
oleap_bundleMessage(bundle,buff,rightmost.palmNormal().z);
sprintf(buff,"/hand/rightmost/distance/from/leftmost");
oleap_bundleMessage(bundle,buff,rightmost.palmPosition().angleTo(leftmost.palmPosition()));
const Leap::FingerList &rightMostfingers = rightmost.fingers();
const size_t rightMostnNumFingers = fingers.count();
for(size_t j = 0; j < rightMostnNumFingers; j++)
{
const Leap::Finger &finger = rightMostfingers[j];
const int32_t finger_id = finger.id();
//const Leap::Ray& tip = finger.tip();
const Leap::Vector direction = finger.direction();
const Leap::Vector position = finger.tipPosition();
const Leap::Vector velocity = finger.tipVelocity();
const double width = finger.width();
const double length = finger.length();
const bool isTool = finger.isTool();
sprintf(buff,"/hand/rightmost/finger/%d/hand_id",j+1);
oleap_bundleMessage(bundle,buff,rightmost.id());
sprintf(buff,"/hand/rightmost/finger/%d/finger_id",j+1);
oleap_bundleMessage(bundle,buff,finger.id());
sprintf(buff,"/hand/rightmost/finger/%d/position/x",j+1);
oleap_bundleMessage(bundle,buff,position.x);
sprintf(buff,"/hand/rightmost/finger/%d/position/y",j+1);
oleap_bundleMessage(bundle,buff,position.y);
sprintf(buff,"/hand/rightmost/finger/%d/position/z",j+1);
oleap_bundleMessage(bundle,buff,position.z);
sprintf(buff,"/hand/rightmost/finger/%d/direction/x",j+1);
oleap_bundleMessage(bundle,buff,direction.x);
sprintf(buff,"/hand/rightmost/finger/%d/direction/y",j+1);
oleap_bundleMessage(bundle,buff,direction.y);
sprintf(buff,"/hand/rightmost/finger/%d/direction/z",j+1);
oleap_bundleMessage(bundle,buff,direction.z);
sprintf(buff,"/hand/rightmost/finger/%d/velocity/x",j+1);
oleap_bundleMessage(bundle,buff,velocity.x);
sprintf(buff,"/hand/rightmost/finger/%d/velocity/y",j+1);
oleap_bundleMessage(bundle,buff,velocity.y);
sprintf(buff,"/hand/rightmost/finger/%d/velocity/z",j+1);
oleap_bundleMessage(bundle,buff,velocity.z);
sprintf(buff,"/hand/rightmost/finger/%d/direction/normalized/x",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().x);
sprintf(buff,"/hand/rightmost/finger/%d/direction/normalized/y",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().y);
sprintf(buff,"/hand/rightmost/finger/%d/direction/normalized/z",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().z);
sprintf(buff,"/hand/rightmost/finger/%d/pitch/normalized/",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().pitch());
sprintf(buff,"/hand/rightmost/finger/%d/yaw/normalized/",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().yaw());
sprintf(buff,"/hand/rightmost/finger/%d/roll/normalized/",j+1);
oleap_bundleMessage(bundle,buff,direction.normalized().roll());
sprintf(buff,"/hand/rightmost/finger/%d/width",j+1);
oleap_bundleMessage(bundle,buff,width);
sprintf(buff,"/hand/rightmost/finger/%d/length",j+1);
oleap_bundleMessage(bundle,buff,length);
sprintf(buff,"/hand/rightmost/isTool",j+1);
oleap_bundleMessage(bundle,buff,isTool);
for(size_t i = j+1; i < numFingers; i++)
{
sprintf(buff,"/hand/rightmost/finger/%d/distance/to/finger/%d",j+1,i+1);
oleap_bundleMessage(bundle,buff,fingers[j].direction().distanceTo(fingers[i].direction()));
sprintf(buff,"/hand/rightmost/finger/%d/angle/to/finger/%d",j+1,i+1);
oleap_bundleMessage(bundle,buff,fingers[j].direction().angleTo((fingers[i].direction())));
}
}
//////////////////////////
for(size_t i = 0; i < numHands; i++)
{
// Hand
const Leap::Hand &hand = hands[i];
const int32_t hand_id = hand.id();
const Leap::FingerList &fingers = hand.fingers();
const size_t numFingers = fingers.count();
float pitch = hand.direction().pitch();
float yaw = hand.direction().yaw();
float roll = hand.palmNormal().roll();
//Leap::Hand leftmost = ;
//t_osc_bundle_u *bundle, string address, float datum
sprintf(buff,"/hand/%d/id",i+1);
oleap_bundleMessage(bundle,buff,hand_id);
sprintf(buff,"/hand/%d/fingers",i+1);
oleap_bundleMessage(bundle,buff,numFingers);
sprintf(buff,"/hand/%d/pitch",i+1);
oleap_bundleMessage(bundle,buff,pitch);
sprintf(buff,"/hand/%d/yaw",i+1);
oleap_bundleMessage(bundle,buff,yaw);
sprintf(buff,"/hand/%d/roll",i+1);
oleap_bundleMessage(bundle,buff,roll);
for(size_t j = 0; j < numFingers; j++)
{
// Finger
const Leap::Finger &finger = fingers[j];
const int32_t finger_id = finger.id();
//const Leap::Ray& tip = finger.tip();
const Leap::Vector direction = finger.direction();
const Leap::Vector position = finger.tipPosition();
const Leap::Vector velocity = finger.tipVelocity();
const double width = finger.width();
const double length = finger.length();
const bool isTool = finger.isTool();
/*
string names [14]= {“xpos”,”ypos”,”zpos”,”xdir”,”ydir”,”zdir”,”xvel”,”yvel”,”zvel,finger_length”,”istool_mes”};
for(LOOP OVER FINGERS “J”)
{
t_osc_message_u *handdata[14];
for(int i=0;i<14;i++)
{
handdata[i]=osc_message_u_alloc();
osc_message_u_setAddress(handdata[i], “/”+j.toString()+ ”/” +names[i]);
}
}
*/
sprintf(buff,"/hand/%d/finger/%d/hand_id",i+1,j+1);
oleap_bundleMessage(bundle,buff,hand_id);
sprintf(buff,"/hand/%d/finger/%d/finger_id",i+1,j+1);
oleap_bundleMessage(bundle,buff,finger_id);
sprintf(buff,"/hand/%d/finger/%d/position/x",i+1,j+1);
oleap_bundleMessage(bundle,buff,position.x);
sprintf(buff,"/hand/%d/finger/%d/position/y",i+1,j+1);
oleap_bundleMessage(bundle,buff,position.y);
sprintf(buff,"/hand/%d/finger/%d/position/z",i+1,j+1);
oleap_bundleMessage(bundle,buff,position.z);
sprintf(buff,"/hand/%d/finger/%d/direction/x",i+1,j+1);
oleap_bundleMessage(bundle,buff,direction.x);
sprintf(buff,"/hand/%d/finger/%d/direction/y",i+1,j+1);
oleap_bundleMessage(bundle,buff,direction.y);
sprintf(buff,"/hand/%d/finger/%d/direction/z",i+1,j+1);
oleap_bundleMessage(bundle,buff,direction.z);
sprintf(buff,"/hand/%d/finger/%d/velocity/x",i+1,j+1);
oleap_bundleMessage(bundle,buff,velocity.x);
sprintf(buff,"/hand/%d/finger/%d/velocity/y",i+1,j+1);
oleap_bundleMessage(bundle,buff,velocity.y);
sprintf(buff,"/hand/%d/finger/%d/velocity/z",i+1,j+1);
oleap_bundleMessage(bundle,buff,velocity.z);
sprintf(buff,"/hand/%d/finger/%d/width",i+1,j+1);
oleap_bundleMessage(bundle,buff,width);
sprintf(buff,"/hand/%d/finger/%d/length",i+1,j+1);
oleap_bundleMessage(bundle,buff,length);
sprintf(buff,"/hand/%d/tool",i+1,j+1);
oleap_bundleMessage(bundle,buff,isTool);
}
const Leap::Vector position = hand.palmPosition();
const Leap::Vector direction = hand.direction();
const Leap::Vector velocity = hand.palmVelocity();
const Leap::Vector normal = hand.palmNormal();
const Leap::Vector sphereCenter = hand.sphereCenter();
const double sphereRadius = hand.sphereRadius();
///////////////////////////Palm Data!!!
sprintf(buff,"/hand/%d/palm/hand_id",i+1);
oleap_bundleMessage(bundle,buff,hand_id);
sprintf(buff,"/hand/%d/palm/frame_id",i+1);
oleap_bundleMessage(bundle,buff,frame_id);
sprintf(buff,"/hand/%d/palm/position/x",i+1);
oleap_bundleMessage(bundle,buff,position.x);
sprintf(buff,"/hand/%d/palm/position/y",i+1);
oleap_bundleMessage(bundle,buff,position.y);
sprintf(buff,"/hand/%d/palm/position/z",i+1);
oleap_bundleMessage(bundle,buff,position.z);
sprintf(buff,"/hand/%d/palm/direction/x",i+1);
oleap_bundleMessage(bundle,buff,direction.x);
sprintf(buff,"/hand/%d/palm/direction/y",i+1);
oleap_bundleMessage(bundle,buff,direction.y);
sprintf(buff,"/hand/%d/palm/direction/z",i+1);
oleap_bundleMessage(bundle,buff,direction.z);
sprintf(buff,"/hand/%d/palm/velocity/x",i+1);
oleap_bundleMessage(bundle,buff,velocity.x);
sprintf(buff,"/hand/%d/palm/velocity/x",i+1);
oleap_bundleMessage(bundle,buff,velocity.y);
sprintf(buff,"/hand/%d/palm/velocity/z",i+1);
oleap_bundleMessage(bundle,buff,velocity.z);
sprintf(buff,"/hand/%d/palm/normal/x",i+1);
oleap_bundleMessage(bundle,buff,normal.x);
sprintf(buff,"/hand/%d/palm/normal/y",i+1);
oleap_bundleMessage(bundle,buff,normal.y);
sprintf(buff,"/hand/%d/palm/normal/z",i+1);
oleap_bundleMessage(bundle,buff,normal.z);
sprintf(buff,"/hand/%d/sphere/id",i);
oleap_bundleMessage(bundle,buff,hand_id);
sprintf(buff,"/hand/%d/sphere/frame_id",i);
oleap_bundleMessage(bundle,buff,frame_id);
sprintf(buff,"/hand/%d/sphere/center/x",i+1);
oleap_bundleMessage(bundle,buff,sphereCenter.x);
sprintf(buff,"/hand/%d/sphere/center/y",i+1);
oleap_bundleMessage(bundle,buff,sphereCenter.y);
sprintf(buff,"/hand/%d/sphere/center/z",i+1);
oleap_bundleMessage(bundle,buff,sphereCenter.z);
sprintf(buff,"/hand/%d/sphere/radius",i+1);
oleap_bundleMessage(bundle,buff,sphereRadius);
const Leap::PointableList pointables = frame.pointables();
const int count = pointables.count();
for(size_t j = 0; j < count; j++){
sprintf(buff,"/hand/%d/pointable/%d/id",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).id());
sprintf(buff,"/hand/%d/pointable/%d/length",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).length());
sprintf(buff,"/hand/%d/pointable/%d/width",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).width());
sprintf(buff,"/hand/%d/pointable/%d/direction/x",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).direction().x);
sprintf(buff,"/hand/%d/pointable/%d/direction/y",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).direction().y);
sprintf(buff,"/hand/%d/pointable/%d/direction/z",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).direction().z);
sprintf(buff,"/hand/%d/pointable/%d/isFinger",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).isFinger());
sprintf(buff,"/hand/%d/pointable/%d/isTool",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).isTool());
sprintf(buff,"/hand/%d/pointable/%d/position/tip/x",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).tipPosition().x);
sprintf(buff,"/hand/%d/pointable/%d/position/tip/y",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).tipPosition().y);
sprintf(buff,"/hand/%d/pointable/%d/position/tip/z",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).tipPosition().z);
sprintf(buff,"/hand/%d/pointable/%d/velocity/tip/x",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).tipVelocity().x);
sprintf(buff,"/hand/%d/pointable/%d/velocity/tip/y",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).tipVelocity().y);
sprintf(buff,"/hand/%d/pointable/%d/velocity/tip/z",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).tipVelocity().z);
sprintf(buff,"/hand/%d/pointable/%d/position/stabilized/x",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).stabilizedTipPosition().x);
sprintf(buff,"/hand/%d/pointable/%d/position/stabilized/y",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).stabilizedTipPosition().y);
sprintf(buff,"/hand/%d/pointable/%d/position/stabilized/z",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).stabilizedTipPosition().z);
sprintf(buff,"/hand/%d/pointable/%d/touchZone/distance",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).touchDistance());
sprintf(buff,"/hand/%d/pointable/%d/touchZone",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).touchZone());
sprintf(buff,"/hand/%d/pointable/%d/touchZone/touching",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).ZONE_TOUCHING);
sprintf(buff,"/hand/%d/pointable/%d/touchZone/hovering",i+1,j+1);
oleap_bundleMessage(bundle,buff,pointables.operator[](j).ZONE_HOVERING);
}
const Leap::InteractionBox box = frame.interactionBox();
const Leap::Vector center = box.center();
const Leap::Vector normalizedPosition = box.normalizePoint(position);
sprintf(buff,"/hand/%d/interactionBox/depth",i+1);
oleap_bundleMessage(bundle,buff,box.depth());
sprintf(buff,"/hand/%d/interactionBox/center/x",i+1);
oleap_bundleMessage(bundle,buff,center.x);
sprintf(buff,"/hand/%d/interactionBox/center/y",i+1);
oleap_bundleMessage(bundle,buff,center.y);
sprintf(buff,"/hand/%d/interactionBox/center/z",i+1);
oleap_bundleMessage(bundle,buff,center.z);
sprintf(buff,"/hand/%d/interactionBox/position/normalized/x",i+1);
oleap_bundleMessage(bundle,buff,normalizedPosition.x);
sprintf(buff,"/hand/%d/interactionBox/position/normalized/y",i+1);
oleap_bundleMessage(bundle,buff,normalizedPosition.y);
sprintf(buff,"/hand/%d/interactionBox/position/normalized/z",i+1);
oleap_bundleMessage(bundle,buff,normalizedPosition.z);
sprintf(buff,"/hand/%d/interactionBox/width",i+1);
oleap_bundleMessage(bundle,buff,box.width());
sprintf(buff,"/hand/%d/interactionBox/height",i+1);
oleap_bundleMessage(bundle,buff,box.height());
}
long bytes = 0;//length of byte array
char* pointer = NULL;
osc_bundle_u_serialize(bundle, &bytes, &pointer);//& is address of the variable
//post("%ld %p", bytes,pointer);
t_atom out[2];
atom_setlong(out, bytes);
atom_setlong(out+1, (long)pointer);
outlet_anything(x->outlet, gensym("FullPacket"), 2, out);
osc_bundle_u_free(bundle);//get rid of stuff in osc message
osc_mem_free(pointer);//marks pointer address as being free (clear if you want to keep using same)
}
void FLeapMotionInputDevice::ParseEvents()
{
//Optimization: If we don't have any delegates, skip
if (EventDelegates.Num() == 0)
{
return;
}
//Pointers
Leap::Frame Frame = ControllerData.LeapController.frame();
Leap::Frame PastFrame = ControllerData.LeapController.frame(1);
//Calculate HMD Timewarp if valid
if (GEngine->HMDDevice.IsValid() && ControllerData.bTimeWarpEnabled) {
LeapHMDSnapshot ThenSnapshot = HMDSamples->HMDSampleClosestToTimestamp(Frame.timestamp());
LeapHMDSnapshot NowSnapShot = HMDSamples->CurrentHMDSample();
LeapHMDSnapshot HistorySnapshot = HMDSamples->LastHMDSample(); //reduce jitter
//ControllerData.TimeWarpSnapshot = NowSnapShot.Difference(ThenSnapshot, ControllerData.TimeWarpFactor);// * ControllerData.TimeWarpFactor;
FQuat WarpQuat = NowSnapShot.Orientation;//FQuat::Slerp(NowSnapShot.Orientation, HistorySnapshot.Orientation, ControllerData.TimeWarpTween);
FQuat ThenTweened = FQuat::Slerp(ThenSnapshot.Orientation, HistorySnapshot.Orientation, ControllerData.TimeWarpTween);
ControllerData.TimeWarpSnapshot.Orientation = (WarpQuat.Inverse() * ControllerData.TimeWarpFactor) * ThenTweened;
ControllerData.TimeWarpAmountMs = (ControllerData.TimeWarpSnapshot.Timestamp) / 1000.f;
}
//-Hands-
//Hand Count
int HandCount = Frame.hands().count();
if (PastState->HandCount != HandCount)
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_HandCountChanged(EventDelegate, HandCount);
});
//Zero our input mapping orientations (akin to letting go of a joystick)
if (HandCount == 0)
{
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmPitch, 0, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmYaw, 0, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmRoll, 0, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmPitch, 0, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmYaw, 0, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmRoll, 0, 0, 0);
}
}
//Cycle through each hand
for (int i = 0; i < HandCount; i++)
{
Leap::Hand Hand = Frame.hands()[i];
LeapHandStateData PastHandState = PastState->StateForId(Hand.id()); //we use a custom class to hold reliable state tracking based on id's
//Make a ULeapHand
if (PEventHand == nullptr)
{
PEventHand = NewObject<ULeapHand>();
PEventHand->AddToRoot();
}
PEventHand->SetHand(Hand);
//Emit hand
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapHandMoved(EventDelegate, PEventHand);
});
//Left/Right hand forwarding
if (Hand.isRight())
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapRightHandMoved(EventDelegate, PEventHand);
});
//Input Mapping
FRotator PalmOrientation = PEventHand->PalmOrientation;
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmPitch, PalmOrientation.Pitch * LEAP_IM_SCALE, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmYaw, PalmOrientation.Yaw * LEAP_IM_SCALE, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapRightPalmRoll, PalmOrientation.Roll * LEAP_IM_SCALE, 0, 0);
}
else if (Hand.isLeft())
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapLeftHandMoved(EventDelegate, PEventHand);
});
//Input Mapping
FRotator PalmOrientation = PEventHand->PalmOrientation;
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmPitch, PalmOrientation.Pitch * LEAP_IM_SCALE, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmYaw, PalmOrientation.Yaw * LEAP_IM_SCALE, 0, 0);
EmitAnalogInputEventForKey(EKeysLeap::LeapLeftPalmRoll, PalmOrientation.Roll * LEAP_IM_SCALE, 0, 0);
}
//Grabbing
float GrabStrength = Hand.grabStrength();
bool Grabbed = HandClosed(GrabStrength);
if (Grabbed)
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapHandGrabbing(EventDelegate, GrabStrength, PEventHand);
});
}
if (Grabbed && !PastHandState.Grabbed)
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapHandGrabbed(EventDelegate, GrabStrength, PEventHand);
});
//input mapping
if (PEventHand->HandType == LeapHandType::HAND_LEFT)
{
EmitKeyDownEventForKey(EKeysLeap::LeapLeftGrab, 0, 0);
}
else
{
EmitKeyDownEventForKey(EKeysLeap::LeapRightGrab, 0, 0);
}
}
else if (!Grabbed && PastHandState.Grabbed)
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapHandReleased(EventDelegate, GrabStrength, PEventHand);
});
//input mapping
if (PEventHand->HandType == LeapHandType::HAND_LEFT)
{
EmitKeyUpEventForKey(EKeysLeap::LeapLeftGrab, 0, 0);
}
else
{
EmitKeyUpEventForKey(EKeysLeap::LeapRightGrab, 0, 0);
}
}
//Pinching
float PinchStrength = Hand.pinchStrength();
bool Pinched = HandPinched(PinchStrength);
//While grabbing disable pinching detection, this helps to reduce spam as pose confidence plummets
if (Grabbed)
{
Pinched = PastHandState.Pinched;
}
else
{
if (Pinched)
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapHandPinching(EventDelegate, PinchStrength, PEventHand);
});
}
if (Pinched && !PastHandState.Pinched)
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapHandPinched(EventDelegate, PinchStrength, PEventHand);
});
//input mapping
if (PEventHand->HandType == LeapHandType::HAND_LEFT)
{
EmitKeyDownEventForKey(EKeysLeap::LeapLeftPinch, 0, 0);
}
else
{
EmitKeyDownEventForKey(EKeysLeap::LeapRightPinch, 0, 0);
}
}
else if (!Pinched && PastHandState.Pinched)
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapHandUnpinched(EventDelegate, PinchStrength, PEventHand);
});
//input mapping
if (PEventHand->HandType == LeapHandType::HAND_LEFT)
{
EmitKeyUpEventForKey(EKeysLeap::LeapLeftPinch, 0, 0);
}
else
{
EmitKeyUpEventForKey(EKeysLeap::LeapRightPinch, 0, 0);
}
}
}
//-Fingers-
Leap::FingerList Fingers = Hand.fingers();
//Count
int FingerCount = Fingers.count();
if ((PastHandState.FingerCount != FingerCount))
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_FingerCountChanged(EventDelegate, FingerCount);
});
}
if (PEventFinger == nullptr)
{
PEventFinger = NewObject<ULeapFinger>();
PEventFinger->AddToRoot();
}
Leap::Finger Finger;
//Cycle through each finger
for (int j = 0; j < FingerCount; j++)
{
Finger = Fingers[j];
PEventFinger->SetFinger(Finger);
//Finger Moved
if (Finger.isValid())
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapFingerMoved(EventDelegate, PEventFinger);
});
}
}
//Do these last so we can easily override debug shapes
//Leftmost
Finger = Fingers.leftmost();
PEventFinger->SetFinger(Finger);
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapLeftMostFingerMoved(EventDelegate, PEventFinger);
});
//Rightmost
Finger = Fingers.rightmost();
PEventFinger->SetFinger(Finger);
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapRightMostFingerMoved(EventDelegate, PEventFinger);
});
//Frontmost
Finger = Fingers.frontmost();
PEventFinger->SetFinger(Finger);
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapFrontMostFingerMoved(EventDelegate, PEventFinger);
});
//touch only for front-most finger, most common use case
float touchDistance = Finger.touchDistance();
if (touchDistance <= 0.f)
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_LeapFrontFingerTouch(EventDelegate, PEventFinger);
});
}
//Set the state data for next cycle
PastHandState.Grabbed = Grabbed;
PastHandState.Pinched = Pinched;
PastHandState.FingerCount = FingerCount;
PastState->SetStateForId(PastHandState, Hand.id());
}
PastState->HandCount = HandCount;
//Gestures
for (int i = 0; i < Frame.gestures().count(); i++)
{
Leap::Gesture Gesture = Frame.gestures()[i];
Leap::Gesture::Type Type = Gesture.type();
switch (Type)
{
case Leap::Gesture::TYPE_CIRCLE:
if (PEventCircleGesture == nullptr)
{
PEventCircleGesture = NewObject<ULeapCircleGesture>();
PEventCircleGesture->AddToRoot();
}
PEventCircleGesture->SetGesture(Leap::CircleGesture(Gesture));
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_CircleGestureDetected(EventDelegate, PEventCircleGesture);
});
PEventGesture = PEventCircleGesture;
break;
case Leap::Gesture::TYPE_KEY_TAP:
if (PEventKeyTapGesture == nullptr)
{
PEventKeyTapGesture = NewObject<ULeapKeyTapGesture>();
PEventKeyTapGesture->AddToRoot();
}
PEventKeyTapGesture->SetGesture(Leap::KeyTapGesture(Gesture));
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_KeyTapGestureDetected(EventDelegate, PEventKeyTapGesture);
});
PEventGesture = PEventKeyTapGesture;
break;
case Leap::Gesture::TYPE_SCREEN_TAP:
if (PEventScreenTapGesture == nullptr)
{
PEventScreenTapGesture = NewObject<ULeapScreenTapGesture>();
PEventScreenTapGesture->AddToRoot();
}
PEventScreenTapGesture->SetGesture(Leap::ScreenTapGesture(Gesture));
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_ScreenTapGestureDetected(EventDelegate, PEventScreenTapGesture);
});
PEventGesture = PEventScreenTapGesture;
break;
case Leap::Gesture::TYPE_SWIPE:
if (PEventSwipeGesture == nullptr)
{
PEventSwipeGesture = NewObject<ULeapSwipeGesture>();
PEventSwipeGesture->AddToRoot();
}
PEventSwipeGesture->SetGesture(Leap::SwipeGesture(Gesture));
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_SwipeGestureDetected(EventDelegate, PEventSwipeGesture);
});
PEventGesture = PEventSwipeGesture;
break;
default:
break;
}
//emit gesture
if (Type != Leap::Gesture::TYPE_INVALID)
{
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_GestureDetected(EventDelegate, PEventGesture);
});
}
}
//Image
if (ControllerData.bAllowImageEvents && ControllerData.bImageEventsEnabled)
{
int ImageCount = Frame.images().count();
//We only support getting both images
if (ImageCount >= 2)
{
Leap::Image Image1 = Frame.images()[0];
if (PEventImage1 == nullptr)
{
PEventImage1 = NewObject<ULeapImage>();
PEventImage1->AddToRoot();
}
PEventImage1->UseGammaCorrection = ControllerData.bUseGammaCorrection;
PEventImage1->SetLeapImage(Image1);
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_RawImageReceived(EventDelegate, PEventImage1->Texture(), PEventImage1);
});
Leap::Image Image2 = Frame.images()[1];
if (PEventImage2 == nullptr)
{
PEventImage2 = NewObject<ULeapImage>();
PEventImage2->AddToRoot();
}
PEventImage2->UseGammaCorrection = ControllerData.bUseGammaCorrection;
PEventImage2->SetLeapImage(Image2);
CallFunctionOnDelegates([&](UObject* EventDelegate)
{
ILeapEventInterface::Execute_RawImageReceived(EventDelegate, PEventImage2->Texture(), PEventImage2);
});
}
}
}
void SampleListener::onFrame(const Leap::Controller& controller) {
// Get the most recent frame and report some basic information
const Leap::Frame frame = controller.frame();
std::cout << "Frame id: " << frame.id()
<< ", timestamp: " << frame.timestamp()
<< ", hands: " << frame.hands().count()
<< ", extended fingers: " << frame.fingers().extended().count()
<< ", tools: " << frame.tools().count()
<< ", gestures: " << frame.gestures().count() << std::endl;
Leap::HandList hands = frame.hands();
for (Leap::HandList::const_iterator hl = hands.begin(); hl != hands.end(); ++hl) {
// Get the first hand
const Leap::Hand hand = *hl;
std::string handType = hand.isLeft() ? "Left hand" : "Right hand";
std::cout << std::string(2, ' ') << handType << ", id: " << hand.id()
<< ", palm position: " << hand.palmPosition() << std::endl;
// Get the hand's normal vector and direction
const Leap::Vector normal = hand.palmNormal();
const Leap::Vector direction = hand.direction();
// Calculate the hand's pitch, roll, and yaw angles
std::cout << std::string(2, ' ') << "pitch: " << direction.pitch() * Leap::RAD_TO_DEG << " degrees, "
<< "roll: " << normal.roll() * Leap::RAD_TO_DEG << " degrees, "
<< "yaw: " << direction.yaw() * Leap::RAD_TO_DEG << " degrees" << std::endl;
// Get the Arm bone
Leap::Arm arm = hand.arm();
std::cout << std::string(2, ' ') << "Arm direction: " << arm.direction()
<< " wrist position: " << arm.wristPosition()
<< " elbow position: " << arm.elbowPosition() << std::endl;
// Get fingers
const Leap::FingerList fingers = hand.fingers();
for (Leap::FingerList::const_iterator fl = fingers.begin(); fl != fingers.end(); ++fl) {
const Leap::Finger finger = *fl;
std::cout << std::string(4, ' ') << fingerNames[finger.type()]
<< " finger, id: " << finger.id()
<< ", length: " << finger.length()
<< "mm, width: " << finger.width() << std::endl;
// Get finger bones
for (int b = 0; b < 4; ++b) {
Leap::Bone::Type boneType = static_cast<Leap::Bone::Type>(b);
Leap::Bone bone = finger.bone(boneType);
std::cout << std::string(6, ' ') << boneNames[boneType]
<< " bone, start: " << bone.prevJoint()
<< ", end: " << bone.nextJoint()
<< ", direction: " << bone.direction() << std::endl;
}
}
}
// Get tools
const Leap::ToolList tools = frame.tools();
for (Leap::ToolList::const_iterator tl = tools.begin(); tl != tools.end(); ++tl) {
const Leap::Tool tool = *tl;
std::cout << std::string(2, ' ') << "Tool, id: " << tool.id()
<< ", position: " << tool.tipPosition()
<< ", direction: " << tool.direction() << std::endl;
}
// Get gestures
const Leap::GestureList gestures = frame.gestures();
for (int g = 0; g < gestures.count(); ++g) {
Leap::Gesture gesture = gestures[g];
switch (gesture.type()) {
case Leap::Gesture::TYPE_CIRCLE:
{
Leap::CircleGesture circle = gesture;
std::string clockwiseness;
if (circle.pointable().direction().angleTo(circle.normal()) <= Leap::PI/2) {
clockwiseness = "clockwise";
} else {
clockwiseness = "counterclockwise";
}
// Calculate angle swept since last frame
float sweptAngle = 0;
if (circle.state() != Leap::Gesture::STATE_START) {
Leap::CircleGesture previousUpdate = Leap::CircleGesture(controller.frame(1).gesture(circle.id()));
sweptAngle = (circle.progress() - previousUpdate.progress()) * 2 * Leap::PI;
}
std::cout << std::string(2, ' ')
<< "Circle id: " << gesture.id()
<< ", state: " << stateNames[gesture.state()]
<< ", progress: " << circle.progress()
<< ", radius: " << circle.radius()
<< ", angle " << sweptAngle * Leap::RAD_TO_DEG
<< ", " << clockwiseness << std::endl;
break;
}
case Leap::Gesture::TYPE_SWIPE:
{
Leap::SwipeGesture swipe = gesture;
std::cout << std::string(2, ' ')
<< "Swipe id: " << gesture.id()
<< ", state: " << stateNames[gesture.state()]
<< ", direction: " << swipe.direction()
<< ", speed: " << swipe.speed() << std::endl;
break;
}
case Leap::Gesture::TYPE_KEY_TAP:
{
Leap::KeyTapGesture tap = gesture;
std::cout << std::string(2, ' ')
<< "Key Tap id: " << gesture.id()
<< ", state: " << stateNames[gesture.state()]
<< ", position: " << tap.position()
<< ", direction: " << tap.direction()<< std::endl;
break;
}
case Leap::Gesture::TYPE_SCREEN_TAP:
{
Leap::ScreenTapGesture screentap = gesture;
std::cout << std::string(2, ' ')
<< "Screen Tap id: " << gesture.id()
<< ", state: " << stateNames[gesture.state()]
<< ", position: " << screentap.position()
<< ", direction: " << screentap.direction()<< std::endl;
break;
}
default:
std::cout << std::string(2, ' ') << "Unknown gesture type." << std::endl;
break;
}
}
if (!frame.hands().isEmpty() || !gestures.isEmpty()) {
std::cout << std::endl;
}
}