FREObject LNLeapDevice::getFrame() {
Frame frame = controller->frame();
// TODO: Only continue with valid Frame?
FREObject freCurrentFrame;
FRENewObject( (const uint8_t*) "com.leapmotion.leap.Frame", 0, NULL, &freCurrentFrame, NULL);
FREObject freFrameId;
FRENewObjectFromInt32((int32_t) frame.id(), &freFrameId);
FRESetObjectProperty(freCurrentFrame, (const uint8_t*) "id", freFrameId, NULL);
const Vector frameTranslation = frame.translation(lastFrame);
FRESetObjectProperty(freCurrentFrame, (const uint8_t*) "translationVector", createVector3(frameTranslation.x, frameTranslation.y, frameTranslation.z), NULL);
const Matrix frameRotation = frame.rotationMatrix(lastFrame);
FRESetObjectProperty(freCurrentFrame, (const uint8_t*) "rotation", createMatrix(
createVector3(frameRotation.xBasis[0], frameRotation.xBasis[1], frameRotation.xBasis[2]),
createVector3(frameRotation.yBasis[0], frameRotation.yBasis[1], frameRotation.yBasis[2]),
createVector3(frameRotation.zBasis[0], frameRotation.zBasis[1], frameRotation.zBasis[2]),
createVector3(frameRotation.origin[0], frameRotation.origin[1], frameRotation.origin[2])
), NULL);
FREObject freFrameScaleFactor;
FRENewObjectFromDouble(frame.scaleFactor(lastFrame), &freFrameScaleFactor);
FRESetObjectProperty(freCurrentFrame, (const uint8_t*) "scaleFactorNumber", freFrameScaleFactor, NULL);
FREObject freTimestamp;
FRENewObjectFromInt32((int32_t) frame.timestamp(), &freTimestamp);
FRESetObjectProperty(freCurrentFrame, (const uint8_t*) "timestamp", freTimestamp, NULL);
std::map<int, FREObject> freHandsMap;
if (!frame.hands().empty()) {
FREObject freHands;
FREGetObjectProperty(freCurrentFrame, (const uint8_t*) "hands", &freHands, NULL);
for(int i = 0; i < frame.hands().count(); i++) {
const Hand hand = frame.hands()[i];
FREObject freHand;
FRENewObject( (const uint8_t*) "com.leapmotion.leap.Hand", 0, NULL, &freHand, NULL);
FRESetObjectProperty(freHand, (const uint8_t*) "frame", freCurrentFrame, NULL);
FRESetObjectProperty(freHand, (const uint8_t*) "direction", createVector3(hand.direction()[0], hand.direction()[1], hand.direction()[2]), NULL);
FREObject freHandId;
FRENewObjectFromInt32(hand.id(), &freHandId);
FRESetObjectProperty(freHand, (const uint8_t*) "id", freHandId, NULL);
FRESetObjectProperty(freHand, (const uint8_t*) "palmNormal", createVector3(hand.palmNormal()[0], hand.palmNormal()[1], hand.palmNormal()[2]), NULL);
FRESetObjectProperty(freHand, (const uint8_t*) "palmPosition", createVector3(hand.palmPosition()[0], hand.palmPosition()[1], hand.palmPosition()[2]), NULL);
FRESetObjectProperty(freHand, (const uint8_t*) "palmVelocity", createVector3(hand.palmVelocity()[0], hand.palmVelocity()[1], hand.palmVelocity()[2]), NULL);
const Matrix rotation = hand.rotationMatrix(lastFrame);
FRESetObjectProperty(freHand, (const uint8_t*) "rotation", createMatrix(
createVector3(rotation.xBasis[0], rotation.xBasis[1], rotation.xBasis[2]),
createVector3(rotation.yBasis[0], rotation.yBasis[1], rotation.yBasis[2]),
createVector3(rotation.zBasis[0], rotation.zBasis[1], rotation.zBasis[2]),
createVector3(rotation.origin[0], rotation.origin[1], rotation.origin[2])
), NULL);
FREObject freScaleFactor;
FRENewObjectFromDouble(hand.scaleFactor(lastFrame), &freScaleFactor);
FRESetObjectProperty(freHand, (const uint8_t*) "scaleFactorNumber", freScaleFactor, NULL);
FRESetObjectProperty(freHand, (const uint8_t*) "sphereCenter", createVector3(hand.sphereCenter()[0], hand.sphereCenter()[1], hand.sphereCenter()[2]), NULL);
FREObject freSphereRadius;
FRENewObjectFromDouble(hand.sphereRadius(), &freSphereRadius);
FRESetObjectProperty(freHand, (const uint8_t*) "sphereRadius", freSphereRadius, NULL);
const Vector translation = hand.translation(lastFrame);
FRESetObjectProperty(freHand, (const uint8_t*) "translationVector", createVector3(translation.x, translation.y, translation.z), NULL);
FRESetArrayElementAt(freHands, i, freHand);
freHandsMap[hand.id()] = freHand;
}
}
std::map<int, FREObject> frePointablesMap;
if(!frame.pointables().empty()) {
FREObject frePointables;
FREGetObjectProperty(freCurrentFrame, (const uint8_t*) "pointables", &frePointables, NULL);
for(int i = 0; i < frame.pointables().count(); i++) {
const Pointable pointable = frame.pointables()[i];
FREObject frePointable;
if(pointable.isTool()) {
FRENewObject( (const uint8_t*) "com.leapmotion.leap.Tool", 0, NULL, &frePointable, NULL);
} else {
FRENewObject( (const uint8_t*) "com.leapmotion.leap.Finger", 0, NULL, &frePointable, NULL);
}
FRESetObjectProperty(frePointable, (const uint8_t*) "frame", freCurrentFrame, NULL);
FREObject frePointableId;
FRENewObjectFromInt32(pointable.id(), &frePointableId);
FRESetObjectProperty(frePointable, (const uint8_t*) "id", frePointableId, NULL);
FREObject frePointableLength;
FRENewObjectFromDouble(pointable.length(), &frePointableLength);
FRESetObjectProperty(frePointable, (const uint8_t*) "length", frePointableLength, NULL);
FREObject frePointableWidth;
FRENewObjectFromDouble(pointable.width(), &frePointableWidth);
FRESetObjectProperty(frePointable, (const uint8_t*) "width", frePointableWidth, NULL);
FRESetObjectProperty(frePointable, (const uint8_t*) "direction", createVector3(pointable.direction().x, pointable.direction().y, pointable.direction().z), NULL);
FRESetObjectProperty(frePointable, (const uint8_t*) "tipPosition", createVector3(pointable.tipPosition().x, pointable.tipPosition().y, pointable.tipPosition().z), NULL);
FRESetObjectProperty(frePointable, (const uint8_t*) "tipVelocity", createVector3(pointable.tipVelocity().x, pointable.tipVelocity().y, pointable.tipVelocity().z), NULL);
//map to hand & back
if(pointable.hand().isValid()) {
FREObject freHand = freHandsMap[pointable.hand().id()];
FRESetObjectProperty(frePointable, (const uint8_t*) "hand", freHand, NULL);
FREObject frePointables;
FREGetObjectProperty(freHand, (const uint8_t*) "pointables", &frePointables, NULL);
uint32_t numPointables;
FREGetArrayLength(frePointables, &numPointables);
FRESetArrayElementAt(frePointables, numPointables, frePointable);
FREObject freSpecificHandPointables;
if(pointable.isTool()) {
FREGetObjectProperty(freHand, (const uint8_t*) "tools", &freSpecificHandPointables, NULL);
} else {
FREGetObjectProperty(freHand, (const uint8_t*) "fingers", &freSpecificHandPointables, NULL);
}
uint32_t numSpecificHandTools;
FREGetArrayLength(freSpecificHandPointables, &numSpecificHandTools);
FRESetArrayElementAt(freSpecificHandPointables, numSpecificHandTools, frePointable);
}
//push it in current frame
FRESetArrayElementAt(frePointables, i, frePointable);
//specific
FREObject freSpecificPointables;
if(pointable.isTool()) {
FREGetObjectProperty(freCurrentFrame, (const uint8_t*) "tools", &freSpecificPointables, NULL);
} else {
FREGetObjectProperty(freCurrentFrame, (const uint8_t*) "fingers", &freSpecificPointables, NULL);
}
uint32_t numSpecificTools;
FREGetArrayLength(freSpecificPointables, &numSpecificTools);
FRESetArrayElementAt(freSpecificPointables, numSpecificTools, frePointable);
frePointablesMap[pointable.id()] = frePointable;
}
}
if(!frame.gestures().empty()) {
FREObject freGestures;
FREGetObjectProperty(freCurrentFrame, (const uint8_t*) "gesturesVector", &freGestures, NULL);
for(int i = 0; i < frame.gestures().count(); i++) {
const Gesture gesture = frame.gestures()[i];
int state;
switch (gesture.state()) {
case Gesture::STATE_INVALID:
state = 0;
break;
case Gesture::STATE_START:
state = 1;
break;
case Gesture::STATE_UPDATE:
state = 2;
break;
case Gesture::STATE_STOP:
state = 3;
break;
default:
break;
}
int type;
FREObject freGesture;
switch (gesture.type()) {
case Gesture::TYPE_SWIPE:
{
type = 5;
SwipeGesture swipe = gesture;
FRENewObject( (const uint8_t*) "com.leapmotion.leap.SwipeGesture", 0, NULL, &freGesture, NULL);
FRESetObjectProperty(freGesture, (const uint8_t*) "direction", createVector3(swipe.direction().x, swipe.direction().y, swipe.direction().z), NULL);
FRESetObjectProperty(freGesture, (const uint8_t*) "position", createVector3(swipe.position().x, swipe.position().y, swipe.position().z), NULL);
FRESetObjectProperty(freGesture, (const uint8_t*) "startPosition", createVector3(swipe.startPosition().x, swipe.startPosition().y, swipe.startPosition().z), NULL);
FREObject freSwipeGestureSpeed;
FRENewObjectFromDouble(swipe.speed(), &freSwipeGestureSpeed);
FRESetObjectProperty(freGesture, (const uint8_t*) "speed", freSwipeGestureSpeed, NULL);
break;
}
case Gesture::TYPE_CIRCLE:
{
type = 6;
CircleGesture circle = gesture;
FRENewObject( (const uint8_t*) "com.leapmotion.leap.CircleGesture", 0, NULL, &freGesture, NULL);
FRESetObjectProperty(freGesture, (const uint8_t*) "center", createVector3(circle.center().x, circle.center().y, circle.center().z), NULL);
FRESetObjectProperty(freGesture, (const uint8_t*) "normal", createVector3(circle.normal().x, circle.normal().y, circle.normal().z), NULL);
FREObject freCircleGestureProgress;
FRENewObjectFromDouble(circle.progress(), &freCircleGestureProgress);
FRESetObjectProperty(freGesture, (const uint8_t*) "progress", freCircleGestureProgress, NULL);
FREObject freCircleGestureRadius;
FRENewObjectFromDouble(circle.radius(), &freCircleGestureRadius);
FRESetObjectProperty(freGesture, (const uint8_t*) "radius", freCircleGestureRadius, NULL);
FREObject frePointable = frePointablesMap[circle.pointable().id()];
if(frePointable != NULL)
{
FRESetObjectProperty(freGesture, (const uint8_t*) "pointable", frePointable, NULL);
}
break;
}
case Gesture::TYPE_SCREEN_TAP:
{
type = 7;
ScreenTapGesture screentap = gesture;
FRENewObject( (const uint8_t*) "com.leapmotion.leap.ScreenTapGesture", 0, NULL, &freGesture, NULL);
FRESetObjectProperty(freGesture, (const uint8_t*) "direction", createVector3(screentap.direction().x, screentap.direction().y, screentap.direction().z), NULL);
FRESetObjectProperty(freGesture, (const uint8_t*) "position", createVector3(screentap.position().x, screentap.position().y, screentap.position().z), NULL);
break;
}
case Gesture::TYPE_KEY_TAP:
{
type = 8;
KeyTapGesture tap = gesture;
FRENewObject( (const uint8_t*) "com.leapmotion.leap.KeyTapGesture", 0, NULL, &freGesture, NULL);
FRESetObjectProperty(freGesture, (const uint8_t*) "direction", createVector3(tap.direction().x, tap.direction().y, tap.direction().z), NULL);
FRESetObjectProperty(freGesture, (const uint8_t*) "position", createVector3(tap.position().x, tap.position().y, tap.position().z), NULL);
break;
}
default:
{
type = 4;
FRENewObject( (const uint8_t*) "com.leapmotion.leap.Gesture", 0, NULL, &freGesture, NULL);
break;
}
}
FREObject freGestureState;
FRENewObjectFromInt32(state, &freGestureState);
FRESetObjectProperty(freGesture, (const uint8_t*) "state", freGestureState, NULL);
FREObject freGestureType;
FRENewObjectFromInt32(type, &freGestureType);
FRESetObjectProperty(freGesture, (const uint8_t*) "type", freGestureType, NULL);
FREObject freGestureDuration;
FRENewObjectFromInt32((int32_t) gesture.duration(), &freGestureDuration);
FRESetObjectProperty(freGesture, (const uint8_t*) "duration", freGestureDuration, NULL);
FREObject freGestureDurationSeconds;
FRENewObjectFromDouble(gesture.durationSeconds(), &freGestureDurationSeconds);
FRESetObjectProperty(freGesture, (const uint8_t*) "durationSeconds", freGestureDurationSeconds, NULL);
FRESetObjectProperty(freGesture, (const uint8_t*) "frame", freCurrentFrame, NULL);
FREObject freGestureId;
FRENewObjectFromInt32(gesture.id(), &freGestureId);
FRESetObjectProperty(freGesture, (const uint8_t*) "id", freGestureId, NULL);
if (!gesture.hands().empty()) {
FREObject freGestureHands;
FREGetObjectProperty(freGesture, (const uint8_t*) "hands", &freGestureHands, NULL);
for(int i = 0; i < gesture.hands().count(); i++) {
const Hand hand = gesture.hands()[i];
FREObject freHand = freHandsMap[hand.id()];
FRESetArrayElementAt(freGestureHands, i, freHand);
}
}
if (!gesture.pointables().empty()) {
FREObject freGesturePointables;
FREGetObjectProperty(freGesture, (const uint8_t*) "pointables", &freGesturePointables, NULL);
for(int i = 0; i < gesture.pointables().count(); i++) {
const Pointable pointable = gesture.pointables()[i];
FREObject frePointable = frePointablesMap[pointable.id()];
FRESetArrayElementAt(freGesturePointables, i, frePointable);
}
}
//push it in current gesture vector
FRESetArrayElementAt(freGestures, i, freGesture);
}
}
lastFrame = frame;
return freCurrentFrame;
}
/*----------------------------------------------------------------------------------------------------*/
void Gestures::sendGesture(const Gesture& pGesture) {
if ( !pGesture.isValid() ) {
return;
}
Gesture::Type type = pGesture.type();
Gesture::State state = pGesture.state();
int64_t duration = pGesture.duration();
Leap::Vector position;
Leap::Vector direction;
float progress = 0;
float speed = 0;
float radius = 0;
std::string typeKey;
std::string stateName;
////
if ( type == Gesture::TYPE_CIRCLE ) {
CircleGesture circle = (CircleGesture)pGesture;
position = circle.center();
progress = circle.progress();
radius = circle.radius();
typeKey = GestureKey::Circle;
}
else if ( type == Gesture::TYPE_SWIPE ) {
SwipeGesture swipe = (SwipeGesture)pGesture;
position = swipe.startPosition();
direction = swipe.direction();
speed = swipe.speed();
typeKey = GestureKey::Swipe;
}
else if ( type == Gesture::TYPE_KEY_TAP ) {
KeyTapGesture keyTap = (KeyTapGesture)pGesture;
position = keyTap.position();
direction = keyTap.direction();
progress = keyTap.progress();
typeKey = GestureKey::KeyTap;
}
else if ( type == Gesture::TYPE_SCREEN_TAP ) {
ScreenTapGesture screenTap = (ScreenTapGesture)pGesture;
position = screenTap.position();
direction = screenTap.direction();
progress = screenTap.progress();
typeKey = GestureKey::ScreenTap;
}
else {
std::cout << "[LEAP] Unsupported gesture type: " << type << std::endl;
return;
}
////
switch ( state ) {
case Gesture::STATE_INVALID:
stateName = "Invalid";
break;
case Gesture::STATE_START:
stateName = "Start";
break;
case Gesture::STATE_UPDATE:
stateName = "Update";
break;
case Gesture::STATE_STOP:
stateName = "Stop";
break;
default:
std::cout << "[LEAP] Unsupported state type: " << state << std::endl;
return;
}
////
std::cout << "GESTURE MESSAGE" <<
"\n - type: " << type << " (" << typeKey << ")" <<
"\n - stat: " << state << " (" << stateName << ")" <<
"\n - dura: " << duration <<
"\n - pos: " << position <<
"\n - dir: " << direction <<
"\n - prog: " << progress <<
"\n - radi: " << radius <<
"\n - spd: " << speed <<
"\n" << std::endl;
}
void LeapController::update() {
hands = leap.getLeapHands();
if(leap.isFrameNew() && hands.size()){
for(int i = 0; i < hands.size(); i++){
Hand hand = hands[i];
if (handsPrevious.size() == hands.size() && hand.fingers().count() == 3){
float dx = hand.palmPosition().x - handsPrevious[i].palmPosition().x;
float dy = hand.palmPosition().z - handsPrevious[i].palmPosition().z;
float dz = -hand.palmPosition().y + handsPrevious[i].palmPosition().y;
int numFingers = hands[i].fingers().count();
// horizontalPan = (numFingers == 2);
horizontalPan = false;
verticalPan = true;
pan(dx,dy,dz);
}
}
}
Frame frame = controller.frame();
GestureList gestures = framePrevious.isValid() ?
frame.gestures(framePrevious) :
frame.gestures();
framePrevious = frame;
for (size_t i=0; i < gestures.count(); i++) {
if (gestures[i].type() == Gesture::TYPE_SCREEN_TAP) {
ScreenTapGesture tap = gestures[i];
static GestureEventArgs args;
args.pos = ofVec3f(tap.position().x, tap.position().y, tap.position().z);
ofNotifyEvent(onTapScreen, args, this);
} else if (gestures[i].type() == Gesture::TYPE_KEY_TAP) {
KeyTapGesture tap = gestures[i];
static GestureEventArgs args;
args.pos = ofVec3f(tap.position().x, tap.position().y, tap.position().z);
ofNotifyEvent(onTapDown, args, this);
//cout << "LEAP TAP GESTURE AT: " << pos << endl;
} else if (gestures[i].type() == Gesture::TYPE_SWIPE) {
SwipeGesture swipe = gestures[i];
Vector diff = 0.004f*(swipe.position() - swipe.startPosition());
static GestureEventArgs args;
args.pos = ofVec3f(swipe.position().x, swipe.position().y, swipe.position().z);
args.startPos = ofVec3f(swipe.startPosition().x, swipe.startPosition().y, swipe.startPosition().z);
args.state = swipe.state();
ofNotifyEvent(onSwipe, args, this);
//cout << "LEAP SWIPE GESTURE" << endl;
} else if (gestures[i].type() == Gesture::TYPE_CIRCLE) {
CircleGesture circle = gestures[i];
float progress = circle.progress();
if (progress >= 1.0f) {
double curAngle = 6.5;
//cout << "LEAP CIRCLE GESTURE" << endl;
}
static GestureEventArgs args;
args.pos = ofVec3f(circle.center().x, circle.center().y, circle.center().z);
args.normal = ofVec3f(circle.normal().x, circle.normal().y, circle.normal().z);
args.progress = circle.progress();
ofNotifyEvent(onCircle, args, this);
}
}
handsPrevious = hands;
leap.markFrameAsOld();
SceneController::update();
}
