Camera3D Class Reference

A 3D camera that can be positioned and oriented in space. More...

#include <gin_camera3d.h>

Public Member Functions
	Camera3D ()=default
void	setPosition (const Vec3f &pos)
	Sets the camera position.
void	setPosition (float x, float y, float z)
Vec3f	getPosition () const
	Gets the camera position.
void	setTarget (const Vec3f &t)
	Sets the point the camera is looking at.
void	setTarget (float x, float y, float z)
Vec3f	getTarget () const
	Gets the target point.
void	setUpVector (const Vec3f &u)
	Sets the up vector.
Vec3f	getUpVector () const
	Gets the up vector.
void	setPerspective (float fovYDegrees, float aspectRatio, float nearPlane, float farPlane)
	Sets up a perspective projection.
const Mat4f &	getViewMatrix () const
	Gets the view matrix (world to camera space).
const Mat4f &	getProjectionMatrix () const
	Gets the projection matrix.
Mat4f	getViewProjectionMatrix () const
	Gets the combined view-projection matrix.
void	orbit (float deltaYaw, float deltaPitch)
	Orbits the camera around the target point.
void	zoom (float delta)
	Zooms the camera (moves towards/away from target).
void	pan (float deltaX, float deltaY)
	Pans the camera (moves both position and target).

Detailed Description

A 3D camera that can be positioned and oriented in space.

Constructor & Destructor Documentation

Camera3D()

Camera3D::Camera3D ( )

default

Member Function Documentation

setPosition() [1/2]

void Camera3D::setPosition

(

const Vec3f &

pos

)

Sets the camera position.

setPosition() [2/2]

void Camera3D::setPosition	(	float	x,
		float	y,
		float	z
	)

getPosition()

Vec3f Camera3D::getPosition

(

)

const

Gets the camera position.

setTarget() [1/2]

void Camera3D::setTarget

(

const Vec3f &

t

)

Sets the point the camera is looking at.

setTarget() [2/2]

void Camera3D::setTarget	(	float	x,
		float	y,
		float	z
	)

getTarget()

Vec3f Camera3D::getTarget

(

)

const

Gets the target point.

setUpVector()

void Camera3D::setUpVector

(

const Vec3f &

u

)

Sets the up vector.

getUpVector()

Vec3f Camera3D::getUpVector

(

)

const

Gets the up vector.

setPerspective()

void Camera3D::setPerspective	(	float	fovYDegrees,
		float	aspectRatio,
		float	nearPlane,
		float	farPlane
	)

Sets up a perspective projection.

Parameters

fovYDegrees	Field of view in degrees
aspectRatio	Width / height
nearPlane	Near clipping plane distance
farPlane	Far clipping plane distance

getViewMatrix()

const Mat4f & Camera3D::getViewMatrix

(

)

const

Gets the view matrix (world to camera space).

References Mat4< float >::lookAt().

Referenced by getViewProjectionMatrix().

getProjectionMatrix()

const Mat4f & Camera3D::getProjectionMatrix

(

)

const

Gets the projection matrix.

References Mat4< float >::perspective().

Referenced by getViewProjectionMatrix().

getViewProjectionMatrix()

Mat4f Camera3D::getViewProjectionMatrix

(

)

const

Gets the combined view-projection matrix.

References getProjectionMatrix(), and getViewMatrix().

orbit()

void Camera3D::orbit	(	float	deltaYaw,
		float	deltaPitch
	)

Orbits the camera around the target point.

Parameters

deltaYaw	Horizontal rotation in radians
deltaPitch	Vertical rotation in radians

References Vec3< T >::length(), Point< T >::x, Vec3< T >::x, Point< T >::y, Vec3< T >::y, and Vec3< T >::z.

zoom()

void Camera3D::zoom

(

float

delta

)

Zooms the camera (moves towards/away from target).

Parameters

delta

Positive zooms in, negative zooms out

References Vec3< T >::length(), and Vec3< T >::normalized().

pan()

void Camera3D::pan	(	float	deltaX,
		float	deltaY
	)

Pans the camera (moves both position and target).

Parameters

deltaX	Horizontal movement
deltaY	Vertical movement

References Vec3< T >::cross().

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

• gin_camera3d.h