LBaseCamera Class Reference

The base camera. More...

#include <BaseCamera.h>

Inheritance diagram for LBaseCamera:

Public Member Functions
	LBaseCamera ()
	Constructor. More...
void	SetPerspective (float, float, float, float)
	Set perspective camera. More...
void	SetOrthographic (float, float, float, float)
	Set orthographic camera. More...
virtual void	Move (float)
	Move along velocity vector. More...
void	MoveTo (const Vector3 &)
	Move to new position. More...
void	AddToPos (const Vector3 &)
	Add to position. More...
void	SetVel (const Vector3 &)
	Set velocity. More...
void	AddToYaw (float)
	Add to yaw. More...
void	AddToPitch (float)
	Add to pitch. More...
void	AddToRoll (float)
	Add to roll. More...
void	SetYaw (float)
	Set yaw. More...
void	SetPitch (float)
	Set pitch. More...
void	SetRoll (float)
	Set roll. More...
const float	GetYaw () const
	Get yaw. More...
const float	GetPitch () const
	Get pitch. More...
const float	GetRoll () const
	Get roll. More...
void	RotateToFaceCamera (LSpriteDesc3D &)
	Rotate to face camera. More...
bool	BoxInFrustum (const BoundingBox &)
	Does the box overlap the view frustum? More...
const Vector3 &	GetViewVector () const
	Get the view vector. More...
const Vector3 &	GetUpVector () const
	Get the up vector. More...
const BoundingFrustum &	GetFrustum () const
	Get the view frustum. More...
const Vector3 &	GetPos () const
	Get position. More...

Protected Member Functions
void	BuildViewFrustum ()
	Build the view frustum. More...
virtual void	Update ()
	Update matrices and frustum. More...

Protected Attributes
Vector3	m_vPos = Vector3::Zero
	Position.
Vector3	m_vVel = Vector3::Zero
	Velocity.
float	m_fYaw = 0.0f
	Yaw angle.
float	m_fPitch = 0.0f
	Pitch angle.
float	m_fRoll = 0.0f
	Roll angle.
Vector3	m_vView = Vector3::UnitZ
	View vector.
Vector3	m_vUp = Vector3::UnitY
	Up vector.
BoundingFrustum	m_frustum
	View frustum for frustum clipping.

Additional Inherited Members
Static Protected Attributes inherited from LCameraCommon
static XMFLOAT4X4	m_orient
	Orientation matrix.
static XMFLOAT4X4	m_view
	View matrix.
static XMFLOAT4X4	m_projection
	Projection matrix.

Detailed Description

Basic camera functionality including position, orientation, velocity, and frustum culling.

Constructor & Destructor Documentation

LBaseCamera()

LBaseCamera::LBaseCamera

(

)

Set the orientation, view, and projection matrices to the identity matrix.

Member Function Documentation

AddToPitch()

void LBaseCamera::AddToPitch

(

float

angle

)

Add angle to pitch.

Parameters

angle

Angle to be added to pitch, in radians.

AddToPos()

void LBaseCamera::AddToPos

(

const Vector3 &

delta

)

Add to the camera position.

Parameters

delta

Change in position.

AddToRoll()

void LBaseCamera::AddToRoll

(

float

angle

)

Add angle to roll.

Parameters

angle

Angle to be added to roll, in radians.

AddToYaw()

void LBaseCamera::AddToYaw

(

float

angle

)

Add angle to yaw.

Parameters

angle

Angle to be added to yaw, in radians.

BoxInFrustum()

bool LBaseCamera::BoxInFrustum

(

const BoundingBox &

box

)

Box in frustum test.

Parameters

box

An AABB.

Returns

true if the AABB intersects the view frustum.

BuildViewFrustum()

void LBaseCamera::BuildViewFrustum ( )

protected

Compute the view frustum from the camera's projection and view matrices.

GetFrustum()

const BoundingFrustum & LBaseCamera::GetFrustum

(

)

const

Reader function for the view frustum.

Returns

The view frustum.

GetPitch()

const float LBaseCamera::GetPitch

(

)

const

Reader function for the pitch.

Returns

angle Pitch in radians.

GetPos()

const Vector3 & LBaseCamera::GetPos

(

)

const

Reader function for the camera position.

Returns

Camera position.

GetRoll()

const float LBaseCamera::GetRoll

(

)

const

Reader function for the roll.

Returns

angle Roll in radians.

GetUpVector()

const Vector3 & LBaseCamera::GetUpVector

(

)

const

Reader function for the up vector.

Returns

The up vector.

GetViewVector()

const Vector3 & LBaseCamera::GetViewVector

(

)

const

Reader function for the view vector.

Returns

The view vector.

GetYaw()

const float LBaseCamera::GetYaw

(

)

const

Reader function for the yaw.

Returns

angle Yaw in radians.

Move()

void LBaseCamera::Move ( float  t )

virtual

Move the camera along its velocity vector for a given amount of time.

Parameters

t	Frame time in seconds.

MoveTo()

void LBaseCamera::MoveTo

(

const Vector3 &

p

)

Move camera to a new position.

Parameters

p	New position.

RotateToFaceCamera()

void LBaseCamera::RotateToFaceCamera

(

LSpriteDesc3D &

sd

)

Rotate a sprite descriptor to face the camera.

Parameters

sd	[in, out] 3D sprite descriptor

SetOrthographic()

void LBaseCamera::SetOrthographic	(	float	width,
		float	ht,
		float	nearz,
		float	farz
	)

Set renderer to orthographic projection.

Parameters

width	Window width in pixels.
ht	Window height in pixels.
nearz	Z coordinate of the near clipping plane.
farz	Z coordinate of the far clipping plane.

SetPerspective()

void LBaseCamera::SetPerspective	(	float	aspectratio,
		float	hfov,
		float	nearz,
		float	farz
	)

Set renderer to perspective projection.

Parameters

aspectratio	Window aspect ratio.
hfov	Horizontal field of view angle
nearz	Z coordinate of the near clipping plane.
farz	Z coordinate of the far clipping plane.

SetPitch()

void LBaseCamera::SetPitch

(

float

angle

)

Set pitch angle.

Parameters

angle

New pitch angle, in radians.

SetRoll()

void LBaseCamera::SetRoll

(

float

angle

)

Set roll angle.

Parameters

angle

New roll angle, in radians.

SetVel()

void LBaseCamera::SetVel

(

const Vector3 &

p

)

Set camera velocity.

Parameters

p	The new velocity vector.

SetYaw()

void LBaseCamera::SetYaw

(

float

angle

)

Set yaw angle.

Parameters

angle

New yaw angle, in radians.

Update()

void LBaseCamera::Update ( )

protectedvirtual

Update the camera's orientation matrix, view vector, up vector, view matrix, and view frustum from its current yaw, pitch, roll, and position.