void LeapSample03App::draw() { gl::clear( Color( .97, .93, .79 ) ); Leap::PointableList pointables = leap.frame().pointables(); Leap::InteractionBox iBox = leap.frame().interactionBox(); for ( int p = 0; p < pointables.count(); p++ ) { Leap::Pointable pointable = pointables[p]; #if 1 // ここから追加 // 伸びている指、ツール以外は無視する if ( !pointable.isExtended() ) { continue; } // ここまで追加 #endif Leap::Vector normalizedPosition = iBox.normalizePoint( pointable.stabilizedTipPosition() ); float x = normalizedPosition.x * windowWidth; float y = windowHeight - normalizedPosition.y * windowHeight; // ホバー状態 if ( (pointable.touchDistance() > 0) && (pointable.touchZone() != Leap::Pointable::Zone::ZONE_NONE) ) { gl::color(0, 1, 0, 1 - pointable.touchDistance()); } // タッチ状態 else if ( pointable.touchDistance() <= 0 ) { gl::color(1, 0, 0, -pointable.touchDistance()); } // タッチ対象外 else { gl::color(0, 0, 1, .05); } gl::drawSolidCircle( Vec2f( x, y ), 40 ); } }
void ZirkLeap::onFrame(const Leap::Controller& controller) { if(controller.hasFocus()) { Leap::Frame frame = controller.frame(); if (mPointableId >= 0) { ourProcessor->setSelectedSource(mEditor->getCBSelectedSource()-1); Leap::Pointable p = frame.pointable(mPointableId); if (!p.isValid() || !p.isExtended()) { mPointableId = -1; mLastPositionValid = false; } else { Leap::Vector pos = p.tipPosition(); const float zPlane1 = 50; // 5 cm const float zPlane2 = 100; // 10 cm if (pos.z < zPlane2) { if (mLastPositionValid) { //Leap Motion mouvement are calculated from the last position in order to have something dynamic and ergonomic Leap::Vector delta = pos- mLastPosition; float scale = 3; if (pos.z > zPlane1) { float s = 1 - (pos.z - zPlane1) / (zPlane2 - zPlane1); scale *= s; } int src = ourProcessor->getSelectedSource(); float fX, fY; ourProcessor->getSources()[src].getXY(fX, fY); fX += delta.x * scale; fY -= delta.y * scale; //clamp coordinates to circle float fCurR = hypotf(fX, fY); if ( fCurR > ZirkOscAudioProcessor::s_iDomeRadius){ float fExtraRatio = ZirkOscAudioProcessor::s_iDomeRadius / fCurR; fX *= fExtraRatio; fY *= fExtraRatio; } mEditor->move(src, fX, fY); } else { //std::cout << "pointable last pos not valid" << std::endl; } mLastPosition = pos; mLastPositionValid = true; } else { //std::cout << "pointable not touching plane" << std::endl; mLastPositionValid = false; } } } if (mPointableId < 0) { Leap::PointableList pl = frame.pointables().extended(); if (pl.count() > 0) { mPointableId = pl[0].id(); //std::cout << "got new pointable: " << mPointableId << std::endl; } } } }