vcl::DesktopTrackBall< Scalar > Class Template Reference

Public Types
using	ScalarType = Scalar
using	MatrixType = vcl::Matrix44< Scalar >
using	TrackBallType = vcl::TrackBall< Scalar >

Public Member Functions
	DesktopTrackBall (uint width=1024, uint height=768)
bool	isDragging () const
MotionType	currentMotion () const
DirectionalLight< Scalar >	light () const
const Camera< Scalar > &	camera () const
Matrix44< Scalar >	viewMatrix () const
Matrix44< Scalar >	lightGizmoMatrix () const
Matrix44< Scalar >	gizmoMatrix () const
Matrix44< Scalar >	projectionMatrix () const
void	resetTrackBall ()
void	setTrackBall (const Point3< Scalar > &center, Scalar radius)
void	focus (const Point3< Scalar > &center)
void	resizeViewer (uint w, uint h)
void	setKeyModifiers (KeyModifiers keys)
void	moveMouse (int x, int y)
void	pressMouse (MouseButton::Enum button)
void	releaseMouse (MouseButton::Enum button)
void	scroll (Scalar pixelDeltaX, Scalar pixelDeltaY)
void	keyPress (Key::Enum key)
void	keyRelease (Key::Enum key)

Static Public Attributes
static const Point3< Scalar >	UNIT_X = {1, 0, 0}
static const Point3< Scalar >	UNIT_Y = {0, 1, 0}

Private Types
using	MotionType = vcl::TrackBall< Scalar >::MotionType
using	Axis = unsigned char

Static Private Member Functions
static void	rotate (TrackBallType &t, const Point3< Scalar > &axis, Scalar angle=M_PI/6)
static void	rotateLight (TrackBallType &t, const Point3< Scalar > &axis, Scalar angle=M_PI/6)
static void	translate (TrackBallType &t, const Point3< Scalar > &translation)

Private Attributes
uint	mWidth = 1024
uint	mHeight = 768
vcl::TrackBall< Scalar >	mTrackball
Point3< Scalar >	mDefaultTrackBallCenter
float	mDefaultTrackBallRadius = 1.0
KeyModifiers	mCurrentKeyModifiers = {KeyModifier::NO_MODIFIER}
MouseButton::Enum	mCurrentMouseButton = MouseButton::NO_BUTTON
std::map< std::pair< MouseButton::Enum, KeyModifiers >, MotionType >	mDragMotionMap
std::map< std::pair< KeyModifiers, Axis >, MotionType >	mScrollAtomicMap
std::map< std::pair< Key::Enum, KeyModifiers >, std::function< void(TrackBallType &t)> >	mKeyAtomicMap

Static Private Attributes
static constexpr double	DISCRETE_TRANSLATION_STEP = 0.1
static constexpr double	DISCRETE_ROTATION_STEP = M_PI_4 / 3.0

Member Data Documentation

mDragMotionMap

template<typename Scalar >

std::map<std::pair<MouseButton::Enum, KeyModifiers>, MotionType> vcl::DesktopTrackBall< Scalar >::mDragMotionMap

private

Initial value:

= {
            
            {{MouseButton::LEFT, {KeyModifier::NO_MODIFIER}},
             TrackBallType::ARC                                               },
            {{MouseButton::LEFT, {KeyModifier::CONTROL}}, TrackBallType::PAN  },
            {{MouseButton::LEFT, {KeyModifier::ALT}},     TrackBallType::ZMOVE},
            {{MouseButton::LEFT, {KeyModifier::SHIFT}},   TrackBallType::SCALE},
            {{MouseButton::MIDDLE, {KeyModifier::NO_MODIFIER}},
             TrackBallType::PAN                                               },
            {{MouseButton::MIDDLE, {KeyModifier::CONTROL}},
             TrackBallType::ROLL                                              },
            {{MouseButton::LEFT, {KeyModifier::SHIFT, KeyModifier::CONTROL}},
             TrackBallType::DIR_LIGHT_ARC                                     },
            
    }

mScrollAtomicMap

template<typename Scalar >

std::map<std::pair<KeyModifiers, Axis>, MotionType> vcl::DesktopTrackBall< Scalar >::mScrollAtomicMap

private

Initial value:

= {
        {{{KeyModifier::NO_MODIFIER}, 1}, TrackBallType::SCALE},
        {{{KeyModifier::CONTROL}, 1},     TrackBallType::ROLL },
        {{{KeyModifier::SHIFT}, 1},       TrackBallType::FOV  },
 
 
 
    }

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The documentation for this class was generated from the following file:

• vclib/render/include/vclib/render/viewer/desktop_trackball.h