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;
}
}
}
}
