// Maps Leap vector to the screen in pixels
Vec2f UiApp::warpVector( const Leap::Vector& v )
{
Vec3f result = Vec3f::zero();
if ( mDevice ) {
const Leap::Screen& screen = mDevice->getController()->locatedScreens().closestScreen( v );
result = LeapMotion::toVec3f( screen.project( v, true ) );
}
result *= Vec3f( getWindowSize(), 0.0f );
result.y = (float)getWindowHeight() - result.y;
return result.xy();
}
// Maps pointable's ray to the screen in pixels
Vec2f UiApp::warpPointable( const Leap::Pointable& p )
{
Vec3f result = Vec3f::zero();
if ( mDevice ) {
const Leap::Screen& screen = mDevice->getController()->locatedScreens().closestScreenHit( p );
result = LeapMotion::toVec3f( screen.intersect( p, true, 1.0f ) );
}
result *= Vec3f( Vec2f( getWindowSize() ), 0.0f );
result.y = (float)getWindowHeight() - result.y;
return result.xy();
}
vec2 GestureApp::warpPointable( const Leap::Pointable& p )
{
vec3 result( 0.0f );
if ( mDevice ) {
const Leap::Screen& screen = mDevice->getController()->locatedScreens().closestScreenHit( p );
result = LeapMotion::toVec3( screen.intersect( p, true, 1.0f ) );
}
result *= vec3( vec2( getWindowSize() ), 0.0f );
result.y = (float)getWindowHeight() - result.y;
return vec2( result.x, result.y );
}
vec2 GestureApp::warpVector( const Leap::Vector& v )
{
vec3 result( 0.0f );
if ( mDevice ) {
const Leap::Screen& screen = mDevice->getController()->locatedScreens().closestScreen( v );
result = LeapMotion::toVec3( screen.project( v, true ) );
}
result *= vec3( getWindowSize(), 0.0f );
result.y = (float)getWindowHeight() - result.y;
return vec2( result.x, result.y );
}
void ImageApp::setup()
{
gl::enable( GL_TEXTURE_2D );
mDevice = Device::create();
mDevice->getController()->setPolicyFlags( Leap::Controller::POLICY_IMAGES );
mDevice->connectEventHandler( [ & ]( Leap::Frame frame )
{
mFrame = frame;
} );
mFrameRate = 0.0f;
mFullScreen = false;
mParams = params::InterfaceGl::create( "Params", Vec2i( 200, 105 ) );
mParams->addParam( "Frame rate", &mFrameRate, "", true );
mParams->addParam( "Full screen", &mFullScreen ).key( "f" );
mParams->addButton( "Screen shot", [ & ]() { screenShot(); }, "key=space" );
mParams->addButton( "Quit", [ & ]() { quit(); }, "key=q" );
}