Beispiel #1
0
static VALUE stabilized_tip_position(VALUE self)
{
  Leap::Pointable * pointer;
  Leap::Vector * vector;

  Data_Get_Struct(self, Leap::Pointable, pointer);

  vector = new Leap::Vector(pointer->stabilizedTipPosition());

  return WrapVector(vector);
}
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 );
    }
}