GUI::RealSpace::Camera Class Reference

Description

Definition at line 28 of file camera.h.

Inheritance diagram for GUI::RealSpace::Camera:

Collaboration diagram for GUI::RealSpace::Camera:

Classes
struct	Position

Signals
void	updated (Camera const &)

Public Member Functions
	Camera ()
const Position &	getPos () const
const Position &	getPos3DAxes () const
void	lookAt (const Position &)
	camera position for 3D object More...
void	lookAt3DAxes (const Position &)
	camera position for 3D axes More...
void	set ()

Private Member Functions
void	endTransform (bool keep)
void	setAspectRatio (float)
void	turnBy (QQuaternion const &)
void	zoomBy (float)

Private Attributes
QQuaternion	addRot
float	farPlane
Vector3D	lightPos1
Vector3D	lightPosRotated1
QMatrix4x4	matModel
QMatrix4x4	matModel3DAxes
QMatrix4x4	matProj
float	nearPlane
Position	pos
Position	pos3DAxes
float	vertAngle
float	zoom

Friends
class	Canvas
class	Program

Constructor & Destructor Documentation

Camera()

GUI::RealSpace::Camera::Camera

(

)

Definition at line 23 of file camera.cpp.

    : pos(Vector3D::_z, Vector3D::_0, Vector3D::_x)
    , pos3DAxes(Vector3D::_z, Vector3D::_0, Vector3D::_x)
    , zoom(1)
    , vertAngle(60)
    , nearPlane(1)
    , farPlane(10000)
    , lightPos1(LIGHT1)
    , lightPosRotated1(lightPos1)
{
    setAspectRatio(1);
}

References setAspectRatio().

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Member Function Documentation

endTransform()

void GUI::RealSpace::Camera::endTransform ( bool  keep )

private

Definition at line 105 of file camera.cpp.

{
    if (keep) {
        pos.rot = (pos.rot * addRot).normalized();
        pos.eye = pos.eye * zoom; // TODO limit
 
        pos3DAxes.rot = (pos3DAxes.rot * addRot).normalized(); // no zooming for 3D axes
    }
    addRot = {};
    zoom = 1;
    set();
}

References addRot, GUI::RealSpace::Camera::Position::eye, pos, pos3DAxes, GUI::RealSpace::Camera::Position::rot, set(), and zoom.

Referenced by GUI::RealSpace::Canvas::defaultView(), GUI::RealSpace::Canvas::horizontalCameraTurn(), GUI::RealSpace::Canvas::mouseReleaseEvent(), GUI::RealSpace::Canvas::sideView(), GUI::RealSpace::Canvas::topView(), GUI::RealSpace::Canvas::verticalCameraTurn(), and GUI::RealSpace::Canvas::wheelEvent().

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getPos()

const Position& GUI::RealSpace::Camera::getPos ( ) const

inline

Definition at line 50 of file camera.h.

{ return pos; }

References pos.

Referenced by GUI::RealSpace::Canvas::horizontalCameraTurn(), GUI::RealSpace::Program::set(), RealSpaceCanvas::updateScene(), and GUI::RealSpace::Canvas::verticalCameraTurn().

getPos3DAxes()

const Position& GUI::RealSpace::Camera::getPos3DAxes ( ) const

inline

Definition at line 51 of file camera.h.

{ return pos3DAxes; }

References pos3DAxes.

Referenced by GUI::RealSpace::Canvas::horizontalCameraTurn(), and GUI::RealSpace::Canvas::verticalCameraTurn().

lookAt()

void GUI::RealSpace::Camera::lookAt

(

const Position &

pos_

)

camera position for 3D object

Definition at line 51 of file camera.cpp.

{
    pos = pos_;
    //    lightPos = pos.eye;
    set();
}

References pos, and set().

Referenced by GUI::RealSpace::Canvas::defaultView(), GUI::RealSpace::Canvas::horizontalCameraTurn(), GUI::RealSpace::Canvas::setCamera(), GUI::RealSpace::Canvas::sideView(), GUI::RealSpace::Canvas::topView(), and GUI::RealSpace::Canvas::verticalCameraTurn().

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lookAt3DAxes()

void GUI::RealSpace::Camera::lookAt3DAxes

(

const Position &

pos3DAxes_

)

camera position for 3D axes

Definition at line 58 of file camera.cpp.

{
    pos3DAxes = pos3DAxes_;
    set();
}

References pos3DAxes, and set().

Referenced by GUI::RealSpace::Canvas::defaultView(), GUI::RealSpace::Canvas::horizontalCameraTurn(), GUI::RealSpace::Canvas::sideView(), GUI::RealSpace::Canvas::topView(), and GUI::RealSpace::Canvas::verticalCameraTurn().

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set()

void GUI::RealSpace::Camera::set

(

)

Definition at line 65 of file camera.cpp.

{
    // For 3D object
    matModel.setToIdentity();
    matModel.lookAt((pos.eye - pos.ctr) * zoom + pos.ctr, pos.ctr, pos.up);
    QQuaternion rt(pos.rot * addRot);
    matModel.translate(+pos.ctr);
    matModel.rotate(rt);
    matModel.translate(-pos.ctr);
 
    // For 3D axes
    matModel3DAxes.setToIdentity(); //
    matModel3DAxes.lookAt((pos3DAxes.eye - pos3DAxes.ctr) + pos3DAxes.ctr, pos3DAxes.ctr,
                          pos3DAxes.up); //
    QQuaternion rt3DAxes(pos3DAxes.rot * addRot);
    matModel3DAxes.rotate(rt3DAxes);
 
    lightPosRotated1 = rt.inverted().rotatedVector(lightPos1);
 
    emit updated(*this);
}

References addRot, GUI::RealSpace::Camera::Position::ctr, GUI::RealSpace::Camera::Position::eye, lightPos1, lightPosRotated1, matModel, matModel3DAxes, pos, pos3DAxes, GUI::RealSpace::Camera::Position::rot, GUI::RealSpace::Camera::Position::up, updated(), and zoom.

Referenced by endTransform(), lookAt(), lookAt3DAxes(), GUI::RealSpace::Canvas::setModel(), turnBy(), and zoomBy().

setAspectRatio()

void GUI::RealSpace::Camera::setAspectRatio ( float  ratio )

private

Definition at line 87 of file camera.cpp.

{
    matProj.setToIdentity();
    matProj.perspective(vertAngle, ratio, nearPlane, farPlane);
}

References farPlane, matProj, nearPlane, and vertAngle.

Referenced by Camera(), and GUI::RealSpace::Canvas::setCamera().

turnBy()

void GUI::RealSpace::Camera::turnBy ( QQuaternion const &  rot )

private

Definition at line 93 of file camera.cpp.

{
    addRot = rot;
    set();
}

References addRot, and set().

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updated

void GUI::RealSpace::Camera::updated ( Camera const &  )

signal

Referenced by set().

zoomBy()

void GUI::RealSpace::Camera::zoomBy ( float  zoom_ )

private

Definition at line 99 of file camera.cpp.

{
    zoom = zoom_;
    set();
}

References set(), and zoom.

Referenced by GUI::RealSpace::Canvas::mouseMoveEvent(), and GUI::RealSpace::Canvas::wheelEvent().

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Friends And Related Function Documentation

Canvas

friend class Canvas

friend

Definition at line 30 of file camera.h.

Program

friend class Program

friend

Definition at line 31 of file camera.h.

Member Data Documentation

addRot

QQuaternion GUI::RealSpace::Camera::addRot

private

Definition at line 77 of file camera.h.

Referenced by endTransform(), set(), and turnBy().

farPlane

float GUI::RealSpace::Camera::farPlane

private

Definition at line 71 of file camera.h.

Referenced by setAspectRatio().

lightPos1

Vector3D GUI::RealSpace::Camera::lightPos1

private

Definition at line 74 of file camera.h.

Referenced by set().

lightPosRotated1

Vector3D GUI::RealSpace::Camera::lightPosRotated1

private

Definition at line 74 of file camera.h.

Referenced by set(), and GUI::RealSpace::Program::set().

matModel

QMatrix4x4 GUI::RealSpace::Camera::matModel

private

Definition at line 78 of file camera.h.

Referenced by GUI::RealSpace::Canvas::mousePressEvent(), set(), and GUI::RealSpace::Program::set().

matModel3DAxes

QMatrix4x4 GUI::RealSpace::Camera::matModel3DAxes

private

Definition at line 79 of file camera.h.

Referenced by GUI::RealSpace::Canvas::paintGL(), and set().

matProj

QMatrix4x4 GUI::RealSpace::Camera::matProj

private

Definition at line 78 of file camera.h.

Referenced by GUI::RealSpace::Canvas::mousePressEvent(), GUI::RealSpace::Program::set(), and setAspectRatio().

nearPlane

float GUI::RealSpace::Camera::nearPlane

private

Definition at line 71 of file camera.h.

Referenced by setAspectRatio().

pos

Position GUI::RealSpace::Camera::pos

private

Definition at line 67 of file camera.h.

Referenced by endTransform(), getPos(), lookAt(), and set().

pos3DAxes

Position GUI::RealSpace::Camera::pos3DAxes

private

Definition at line 68 of file camera.h.

Referenced by endTransform(), getPos3DAxes(), lookAt3DAxes(), and set().

vertAngle

float GUI::RealSpace::Camera::vertAngle

private

Definition at line 71 of file camera.h.

Referenced by setAspectRatio().

zoom

float GUI::RealSpace::Camera::zoom

private

Definition at line 70 of file camera.h.

Referenced by endTransform(), set(), and zoomBy().

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

• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/ba3d/view/camera.h
• /home/build/builds/o5h8MZZm/0/mlz/bornagain/GUI/ba3d/view/camera.cpp