Camera Class Reference

Represents a camera that rotates around a fixed point. More...

#include "Camera.h"

Collaboration diagram for Camera:

[legend]

List of all members.

Public Member Functions
	Camera ()
	Default Constructor.
	Camera (const Point3f &eye, const Point3f &center, const Vector3f &upVec)
	Constructor.
void	Set (const Point3f &eye, const Point3f &center, const Vector3f &upVec)
	Sets the viewing paramaters.
Matrixf	GetViewMatrix () const
	Constructs the view matrix.
void	Move (const Vector3f &amt)
	Moves the camera by the given amount.
void	SetMinRadius (float r)
	Sets the radius from the lookAt location that the camera will not enter.
void	Zoom (float d)
	Zooms the camera in.
void	RotateRight (float a)
	Rotates the camera to the right about the lookAt position.
void	RotateUp (float a)
	Rotates the camera up.
void	Get (Point3f *eye, Point3f *center, Vector3f *rightVec, Vector3f *upVec, Vector3f *forwardVec) const
	Gets the view paramaters and camera coordinate system.
Vector3f	ViewDirection () const
	Gets the view direction.

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Detailed Description

Represents a camera that rotates around a fixed point.

Definition at line 18 of file Camera.h.

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Constructor & Destructor Documentation

Camera::Camera	(	const Point3f &	eye,
		const Point3f &	center,
		const Vector3f &	upVec
	)			[inline]

Constructor.

Parameters:

[in]	eye	the position of the camera.
[in]	center	the look at position.
[in]	upVec	a vector representing the up direction.

Definition at line 37 of file Camera.h.

References Set().

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Member Function Documentation

void Camera::Set	(	const Point3f &	eye,
		const Point3f &	center,
		const Vector3f &	upVec
	)			[inline]

Sets the viewing paramaters.

Parameters:

[in]	eye	the position of the camera.
[in]	center	the look at position.
[in]	upVec	a vector representing the up direction.

Definition at line 49 of file Camera.h.

References Vector3< T >::Cross().

Referenced by Camera().

Matrixf Camera::GetViewMatrix

(

)

const [inline]

Constructs the view matrix.

Returns:

the view matrix.

Definition at line 64 of file Camera.h.

References Matrix< T >::MakeView().

Referenced by RTVolumeRenderer::Draw().

void Camera::Move

(

const Vector3f &

amt

)

[inline]

Moves the camera by the given amount.

Parameters:

[in]

amt

the ammount to move the camera.

Definition at line 76 of file Camera.h.

References Vector3< T >::x, and Vector3< T >::z.

void Camera::SetMinRadius

(

float

r

)

[inline]

Sets the radius from the lookAt location that the camera will not enter.

Parameters:

[in]

r

the minimum radius.

Definition at line 92 of file Camera.h.

void Camera::Zoom

(

float

d

)

[inline]

Zooms the camera in.

Parameters:

[in]

d

the ammount to zoom in, negative value will zoom out.

Definition at line 102 of file Camera.h.

References Sphere::c, Ray::d, Inside(), Intersect(), Ray::p, and Sphere::r.

Referenced by RTVolumeRenderer::KeyDown(), and RTVolumeRenderer::MouseWheel().

void Camera::RotateRight

(

float

a

)

[inline]

Rotates the camera to the right about the lookAt position.

Parameters:

[in]

a

the angle in radians to rotate, negative value will rotate the camera to the left.

Definition at line 134 of file Camera.h.

References Vector3< T >::Cross(), Matrix< T >::MakeRotationY(), and Matrix< T >::Transform().

Referenced by RTVolumeRenderer::KeyDown(), and RTVolumeRenderer::MouseMove().

void Camera::RotateUp

(

float

a

)

[inline]

Rotates the camera up.

Parameters:

[in]

a

the angle in radians to rotate, negative value will rotate the camera down.

Definition at line 150 of file Camera.h.

References Vector3< T >::Cross(), Matrix< T >::MakeRotation(), and Matrix< T >::Transform().

Referenced by RTVolumeRenderer::KeyDown(), and RTVolumeRenderer::MouseMove().

void Camera::Get	(	Point3f *	eye,
		Point3f *	center,
		Vector3f *	rightVec,
		Vector3f *	upVec,
		Vector3f *	forwardVec
	)			const [inline]

Gets the view paramaters and camera coordinate system.

Parameters:

[out]	eye	the cameras position.
[out]	center	the cameras lookAt position.
[out]	rightVec	the cameras x-axis.
[out]	upVec	the cameras y-axis.
[out]	forwardVec	the cameras z-axis.

Definition at line 169 of file Camera.h.

Vector3f Camera::ViewDirection

(

)

const [inline]

Gets the view direction.

Returns:

the view direction.

Definition at line 188 of file Camera.h.

Referenced by RTVolumeRenderer::Draw().

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

• RTVolumeRendering/Source/Camera.h