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b4f5df17ab
Note that the actual Leap SDK can't be in the repo for IP reasons, so there's a stub-version of the header. When the actual SDK is put into the Leap folder, cake will find it automatically and switch over.
88 lines
2.5 KiB
C++
Executable file
88 lines
2.5 KiB
C++
Executable file
//
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// LeapManager.cpp
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// hifi
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//
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// Created by Eric Johnston on 6/26/13.
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// Copyright (c) 2013 High Fidelity, Inc. All rights reserved.
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//
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#include "LeapManager.h"
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#include <Leap.h>
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#include <dlfcn.h> // needed for RTLD_LAZY
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#include <sstream>
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bool LeapManager::_isInitialized = false;
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bool LeapManager::_libraryExists = false;
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Leap::Controller* LeapManager::_controller = 0;
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HifiLeapListener* LeapManager::_listener = 0;
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class HifiLeapListener : public Leap::Listener {
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public:
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Leap::Frame lastFrame;
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std::vector<glm::vec3> fingerPositions;
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virtual void onFrame(const Leap::Controller& controller) {
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#ifndef LEAP_STUBS
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Leap::Frame frame = controller.frame();
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int numFingers = frame.fingers().count();
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fingerPositions.resize(numFingers);
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for (int i = 0; i < numFingers; ++i) {
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const Leap::Finger& thisFinger = frame.fingers()[i];
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const Leap::Vector pos = thisFinger.tipPosition();
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fingerPositions[i] = glm::vec3(pos.x, pos.y, pos.z);
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}
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lastFrame = frame;
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#endif
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}
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};
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void LeapManager::initialize() {
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if (!_isInitialized) {
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#ifndef LEAP_STUBS
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if (dlopen("/usr/lib/libLeap.dylib", RTLD_LAZY)) {
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_libraryExists = true;
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_controller = new Leap::Controller();
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_listener = new HifiLeapListener();
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_controller->addListener(*_listener);
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}
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#endif
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_isInitialized = true;
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}
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}
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void LeapManager::nextFrame() {
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initialize();
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if (_listener && _controller)
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_listener->onFrame(*_controller);
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}
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const std::vector<glm::vec3>& LeapManager::getFingerPositions() {
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if (_listener)
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return _listener->fingerPositions;
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else {
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static std::vector<glm::vec3> empty;
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return empty;
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}
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}
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std::string LeapManager::statusString() {
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std::stringstream leapString;
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#ifndef LEAP_STUBS
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if (_isInitialized) {
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if (!_libraryExists)
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leapString << "Leap library at /usr/lib/libLeap.dylib does not exist.";
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else if (!_controller || !_listener || !_controller->devices().count())
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leapString << "Leap controller is not attached.";
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else {
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leapString << "Leap pointables: " << _listener->lastFrame.pointables().count();
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if (_listener->lastFrame.pointables().count() > 0) {
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Leap::Vector pos = _listener->lastFrame.pointables()[0].tipPosition();
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leapString << " pos: " << pos.x << " " << pos.y << " " << pos.z;
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}
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}
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}
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#endif
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return leapString.str();
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}
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