Vp::AggregateCamera

Camera with multiple modes that it can seamlessly switch between. More...

#include "Viewport/camera/AggregateCamera.h"

Public Types

	Name
enum	CameraMode { ORBIT, TRACKBALL, NONE}

Public Functions

	Name
	AggregateCamera()
virtual void	centerOnBox(glm::vec3 boxMin, glm::vec3 boxMax, bool interpolate) override<br>Moves camera so that the specified axis aligned bounding box is visible.
virtual void	centerOnObjects(const std::vector< const GameObject * > objects) override<br>Moves camera so that the specified objects are visible.
virtual void	centerOnScene(const Scene & scene) override<br>Moves camera so that all objects in the scene are visible.
virtual void	centerOnSelection(const Scene & scene) override<br>Moves camera so that all selected objects in the scene are visible.
const std::shared_ptr< AbstractCamera > &	getActiveCamera() const
virtual glm::vec3	getDirection() const override
virtual float	getFov() const override
virtual int	getHeight() const override
CameraMode	getMode() const
const std::shared_ptr< OrbitCamera > &	getOrbitCamera() const
virtual glm::vec3	getPosition() const override
virtual glm::mat4	getProjection() const override
virtual glm::vec3	getRight() const override
const std::shared_ptr< TrackballCamera > &	getTrackballCamera() const
virtual glm::vec3	getUp() const override
virtual glm::mat4	getView() const override
virtual int	getWidth() const override
virtual float	getZFar() const override
virtual float	getZNear() const override
virtual void	processInput(double dt, glm::vec2 mousePos, glm::ivec2 windowSize) override<br>Updates the internal camera state with user input.
virtual void	setFov(float fov) override
virtual void	setZFar(float zFar) override
virtual void	setZNear(float zNear) override
virtual void	size(int width, int height) override<br>Sets the camera resolution in pixels.
void	switchMode(CameraMode newMode)
virtual void	update() override<br>Recalculates the view and projection matrices based on the internal camera state.
virtual void	viewpoint(AbstractCamera::Viewpoint viewpoint) override<br>Moves the camera to the specified viewpoint.

Protected Attributes

	Name
std::shared_ptr< AbstractCamera >	m_activeCamera
CameraMode	m_activeMode
std::shared_ptr< OrbitCamera >	m_orbitCamera
std::shared_ptr< TrackballCamera >	m_trackballCamera

Additional inherited members

Public Types inherited from Vp::AbstractCamera

	Name
enum class	Viewpoint { LEFT, RIGHT, TOP, BOTTOM, FRONT, BACK}

Public Functions inherited from Vp::AbstractCamera

	Name
virtual	~AbstractCamera() =default
void	interpolate(glm::mat4 from, glm::mat4 to)<br>Begin interpolation from one view matrix to another, the interpolation will take m_interpolationPeriod seconds in realtime.
bool	isInterpolating(float & progress) const<br>Checks whether interpolation between view matrices is currently happening.

Protected Functions inherited from Vp::AbstractCamera

	Name
std::vector< glm::vec3 >	createBoundingBoxWorldPoints(glm::vec3 boxMin, glm::vec3 boxMax, glm::mat4 modelMatrix)
glm::mat4	createProjectionMatrix(bool nonShrinking) const

Protected Attributes inherited from Vp::AbstractCamera

	Name
glm::mat4	interpolationFrom
double	interpolationPeriod
std::chrono::time_point< std::chrono::steady_clock, std::chrono::duration< double > >	interpolationStart
glm::mat4	interpolationTo
glm::vec3	m_direction
float	m_fov <br>Vertical field of vision in degrees.
int	m_height <br>Camera resolution height in pixels.
glm::vec3	m_position
glm::mat4	m_projection
glm::vec3	m_right
glm::vec3	m_up
glm::mat4	m_view
int	m_width <br>Camera resolution width in pixels.
float	m_zFar <br>Distance to the far clipping pane.
float	m_zNear <br>Distance to the near clipping pane.

Detailed Description

cpp

class Vp::AggregateCamera;

class Vp::AggregateCamera;

Camera with multiple modes that it can seamlessly switch between.

Delegates actual "camera work" to one of the cameras that corresponds to the current mode.

Public Types Documentation

enum CameraMode

Enumerator	Value	Description
ORBIT
TRACKBALL
NONE

Public Functions Documentation

function AggregateCamera

cpp

AggregateCamera()

AggregateCamera()

function centerOnBox

cpp

virtual void centerOnBox(
    glm::vec3 boxMin,
    glm::vec3 boxMax,
    bool interpolate
) override

virtual void centerOnBox(
    glm::vec3 boxMin,
    glm::vec3 boxMax,
    bool interpolate
) override

Moves camera so that the specified axis aligned bounding box is visible.

Reimplements: Vp::AbstractCamera::centerOnBox

function centerOnObjects

cpp

virtual void centerOnObjects(
    const std::vector< const GameObject * > objects
) override

virtual void centerOnObjects(
    const std::vector< const GameObject * > objects
) override

Moves camera so that the specified objects are visible.

Reimplements: Vp::AbstractCamera::centerOnObjects

function centerOnScene

cpp

virtual void centerOnScene(
    const Scene & scene
) override

virtual void centerOnScene(
    const Scene & scene
) override

Moves camera so that all objects in the scene are visible.

Reimplements: Vp::AbstractCamera::centerOnScene

function centerOnSelection

cpp

virtual void centerOnSelection(
    const Scene & scene
) override

virtual void centerOnSelection(
    const Scene & scene
) override

Moves camera so that all selected objects in the scene are visible.

Reimplements: Vp::AbstractCamera::centerOnSelection

function getActiveCamera

cpp

const std::shared_ptr< AbstractCamera > & getActiveCamera() const

const std::shared_ptr< AbstractCamera > & getActiveCamera() const

function getDirection

cpp

virtual glm::vec3 getDirection() const override

virtual glm::vec3 getDirection() const override

Reimplements: Vp::AbstractCamera::getDirection

function getFov

cpp

virtual float getFov() const override

virtual float getFov() const override

Reimplements: Vp::AbstractCamera::getFov

function getHeight

cpp

virtual int getHeight() const override

virtual int getHeight() const override

Reimplements: Vp::AbstractCamera::getHeight

function getMode

cpp

CameraMode getMode() const

CameraMode getMode() const

function getOrbitCamera

cpp

const std::shared_ptr< OrbitCamera > & getOrbitCamera() const

const std::shared_ptr< OrbitCamera > & getOrbitCamera() const

function getPosition

cpp

virtual glm::vec3 getPosition() const override

virtual glm::vec3 getPosition() const override

Reimplements: Vp::AbstractCamera::getPosition

function getProjection

cpp

virtual glm::mat4 getProjection() const override

virtual glm::mat4 getProjection() const override

Return: The camera projection matrix

Reimplements: Vp::AbstractCamera::getProjection

function getRight

cpp

virtual glm::vec3 getRight() const override

virtual glm::vec3 getRight() const override

Reimplements: Vp::AbstractCamera::getRight

function getTrackballCamera

cpp

const std::shared_ptr< TrackballCamera > & getTrackballCamera() const

const std::shared_ptr< TrackballCamera > & getTrackballCamera() const

function getUp

cpp

virtual glm::vec3 getUp() const override

virtual glm::vec3 getUp() const override

Reimplements: Vp::AbstractCamera::getUp

function getView

cpp

virtual glm::mat4 getView() const override

virtual glm::mat4 getView() const override

Return: The camera view matrix

Reimplements: Vp::AbstractCamera::getView

function getWidth

cpp

virtual int getWidth() const override

virtual int getWidth() const override

Reimplements: Vp::AbstractCamera::getWidth

function getZFar

cpp

virtual float getZFar() const override

virtual float getZFar() const override

Reimplements: Vp::AbstractCamera::getZFar

function getZNear

cpp

virtual float getZNear() const override

virtual float getZNear() const override

Reimplements: Vp::AbstractCamera::getZNear

function processInput

cpp

virtual void processInput(
    double dt,
    glm::vec2 mousePos,
    glm::ivec2 windowSize
) override

virtual void processInput(
    double dt,
    glm::vec2 mousePos,
    glm::ivec2 windowSize
) override

Updates the internal camera state with user input.

Parameters:

mousePos Mouse position relative to the window size.
windowSize The window size in pixels.

Reimplements: Vp::AbstractCamera::processInput

function setFov

cpp

virtual void setFov(
    float fov
) override

virtual void setFov(
    float fov
) override

Reimplements: Vp::AbstractCamera::setFov

function setZFar

cpp

virtual void setZFar(
    float zFar
) override

virtual void setZFar(
    float zFar
) override

Reimplements: Vp::AbstractCamera::setZFar

function setZNear

cpp

virtual void setZNear(
    float zNear
) override

virtual void setZNear(
    float zNear
) override

Reimplements: Vp::AbstractCamera::setZNear

function size

cpp

virtual void size(
    int width,
    int height
) override

virtual void size(
    int width,
    int height
) override

Sets the camera resolution in pixels.

Parameters:

width Screen width in pixels
height Screen height in pixels

Reimplements: Vp::AbstractCamera::size

Should be called prior to the Camera::update() method.

function switchMode

cpp

void switchMode(
    CameraMode newMode
)

void switchMode(
    CameraMode newMode
)

function update

cpp

virtual void update() override

virtual void update() override

Recalculates the view and projection matrices based on the internal camera state.

Reimplements: Vp::AbstractCamera::update

Generally this method should build up a new view matrix from scratch using some arbitrary internal variables. From the calculated view matrix, direction, up, right and position information should be updated.

function viewpoint

cpp

virtual void viewpoint(
    AbstractCamera::Viewpoint viewpoint
) override

virtual void viewpoint(
    AbstractCamera::Viewpoint viewpoint
) override

Moves the camera to the specified viewpoint.

Parameters:

viewpoint

Reimplements: Vp::AbstractCamera::viewpoint

Subclasses need to provide their own implementations.

Protected Attributes Documentation

variable m_activeCamera

cpp

std::shared_ptr< AbstractCamera > m_activeCamera = nullptr;

std::shared_ptr< AbstractCamera > m_activeCamera = nullptr;

variable m_activeMode

cpp

CameraMode m_activeMode = CameraMode::NONE;

CameraMode m_activeMode = CameraMode::NONE;

variable m_orbitCamera

cpp

std::shared_ptr< OrbitCamera > m_orbitCamera = nullptr;

std::shared_ptr< OrbitCamera > m_orbitCamera = nullptr;

variable m_trackballCamera

cpp

std::shared_ptr< TrackballCamera > m_trackballCamera = nullptr;

std::shared_ptr< TrackballCamera > m_trackballCamera = nullptr;

Updated on 2025-09-07 at 16:13:51 +0000

Vp::AggregateCamera ​

Public Types ​

Public Functions ​

Protected Attributes ​

Additional inherited members ​

Detailed Description ​

Public Types Documentation ​

enum CameraMode ​

Public Functions Documentation ​

function AggregateCamera ​

function centerOnBox ​

function centerOnObjects ​

function centerOnScene ​

function centerOnSelection ​

function getActiveCamera ​

function getDirection ​

function getFov ​

function getHeight ​

function getMode ​

function getOrbitCamera ​

function getPosition ​

function getProjection ​

function getRight ​

function getTrackballCamera ​

function getUp ​

function getView ​

function getWidth ​

function getZFar ​

function getZNear ​

function processInput ​

function setFov ​

function setZFar ​

function setZNear ​

function size ​

function switchMode ​

function update ​

function viewpoint ​

Protected Attributes Documentation ​

variable m_activeCamera ​

variable m_activeMode ​

variable m_orbitCamera ​

variable m_trackballCamera ​

Vp::AggregateCamera

Public Types

Public Functions

Protected Attributes

Additional inherited members

Detailed Description

Public Types Documentation

enum CameraMode

Public Functions Documentation

function AggregateCamera

function centerOnBox

function centerOnObjects

function centerOnScene

function centerOnSelection

function getActiveCamera

function getDirection

function getFov

function getHeight

function getMode

function getOrbitCamera

function getPosition

function getProjection

function getRight

function getTrackballCamera

function getUp

function getView

function getWidth

function getZFar

function getZNear

function processInput

function setFov

function setZFar

function setZNear

function size

function switchMode

function update

function viewpoint

Protected Attributes Documentation

variable m_activeCamera

variable m_activeMode

variable m_orbitCamera

variable m_trackballCamera