vl::Sphere Class Reference

The Sphere class defines a sphere using a center and a radius using vl::real precision. More...

#include <Sphere.hpp>

List of all members.

Public Member Functions
	Sphere ()
	Constructor: creates a null sphere.
	Sphere (const vec3 &center, real radius)
	Constructor: creates a sphere with the given center and radius.
	Sphere (const AABB &aabb)
	Copy-constructor.
void	setNull ()
	Sets the sphere as null.
bool	isNull () const
	Returns true if the sphere is null, ie, if radius is < 0.
bool	isPoint () const
	Returns true if the sphere as radius == 0.
void	setCenter (const vec3 &center)
	Sets the center of the sphere.
const vec3 &	center () const
	Returns the center of the sphere.
void	setRadius (real radius)
	Sets the radius of the sphere.
real	radius () const
	Returns the radius of the sphere.
bool	includes (const Sphere &other) const
	Returns true if a sphere contains the specified sphere.
bool	operator== (const Sphere &other) const
	Returns true if two spheres are identical.
bool	operator!= (const Sphere &other) const
	Returns true if two spheres are not identical.
Sphere &	operator= (const AABB &aabb)
	Constructs a sphere that contains the specified AABB.
Sphere	operator+ (const Sphere &other)
	Returns a sphere that contains the two specified spheres.
const Sphere &	operator+= (const Sphere &other)
	Enlarges the sphere to contain the specified sphere.
void	transformed (Sphere &out, const mat4 &mat) const
	Returns a sphere that contains the original sphere transformed by the given matrix.
Sphere	transformed (const mat4 &mat) const
	Returns a sphere that contains the original sphere transformed by the given matrix.
Protected Attributes
vec3	mCenter
real	mRadius

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Detailed Description

The Sphere class defines a sphere using a center and a radius using vl::real precision.

Definition at line 43 of file Sphere.hpp.

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Constructor & Destructor Documentation

vl::Sphere::Sphere

(

)

[inline]

Constructor: creates a null sphere.

Definition at line 47 of file Sphere.hpp.

vl::Sphere::Sphere	(	const vec3 &	center,
		real	radius
	)		[inline]

Constructor: creates a sphere with the given center and radius.

Definition at line 50 of file Sphere.hpp.

vl::Sphere::Sphere

(

const AABB &

aabb )

[inline]

Copy-constructor.

Definition at line 53 of file Sphere.hpp.

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Member Function Documentation

void vl::Sphere::setNull

(

)

[inline]

Sets the sphere as null.

Definition at line 56 of file Sphere.hpp.

Referenced by transformed().

bool vl::Sphere::isNull

(

)

const [inline]

Returns true if the sphere is null, ie, if radius is < 0.

Definition at line 59 of file Sphere.hpp.

Referenced by vl::SceneManager::computeBounds(), vl::Camera::computeNearFarOptimizedProjMatrix(), vl::Frustum::cull(), includes(), and operator+=().

bool vl::Sphere::isPoint

(

)

const [inline]

Returns true if the sphere as radius == 0.

Definition at line 62 of file Sphere.hpp.

void vl::Sphere::setCenter

(

const vec3 &

center )

[inline]

Sets the center of the sphere.

Definition at line 65 of file Sphere.hpp.

Referenced by vl::SceneManager::computeBounds(), and vl::import_Sphere().

const vec3& vl::Sphere::center

(

)

const [inline]

Returns the center of the sphere.

Definition at line 68 of file Sphere.hpp.

Referenced by vl::SceneManager::computeBounds(), vl::Camera::computeNearFarOptimizedProjMatrix(), vl::Frustum::cull(), vl::export_Sphere(), includes(), and operator+=().

void vl::Sphere::setRadius

(

real

radius )

[inline]

Sets the radius of the sphere.

Definition at line 71 of file Sphere.hpp.

Referenced by vl::SceneManager::computeBounds(), and vl::import_Sphere().

real vl::Sphere::radius

(

)

const [inline]

Returns the radius of the sphere.

Definition at line 74 of file Sphere.hpp.

Referenced by vl::Camera::adjustView(), vl::SceneManager::computeBounds(), vl::Camera::computeNearFarOptimizedProjMatrix(), vl::Frustum::cull(), vl::export_Sphere(), includes(), and operator+=().

bool vl::Sphere::includes

(

const Sphere &

other )

const [inline]

Returns true if a sphere contains the specified sphere.

Definition at line 77 of file Sphere.hpp.

References center(), vl::distance(), isNull(), vl::length(), and radius().

Referenced by operator+=().

bool vl::Sphere::operator==

(

const Sphere &

other )

const [inline]

Returns true if two spheres are identical.

Definition at line 92 of file Sphere.hpp.

References mCenter, and mRadius.

bool vl::Sphere::operator!=

(

const Sphere &

other )

const [inline]

Returns true if two spheres are not identical.

Definition at line 98 of file Sphere.hpp.

References vl::operator==().

Sphere& vl::Sphere::operator=

(

const AABB &

aabb )

[inline]

Constructs a sphere that contains the specified AABB.

Definition at line 104 of file Sphere.hpp.

References vl::AABB::center(), vl::AABB::isNull(), vl::length(), vl::AABB::maxCorner(), and vl::AABB::minCorner().

Sphere vl::Sphere::operator+

(

const Sphere &

other )

[inline]

Returns a sphere that contains the two specified spheres.

Definition at line 117 of file Sphere.hpp.

const Sphere& vl::Sphere::operator+=

(

const Sphere &

other )

[inline]

Enlarges the sphere to contain the specified sphere.

Definition at line 124 of file Sphere.hpp.

References center(), includes(), vl::Vector3< T_Scalar >::isNull(), isNull(), vl::length(), vl::Vector3< T_Scalar >::normalize(), and radius().

void vl::Sphere::transformed	(	Sphere &	out,
		const mat4 &	mat
	)		const [inline]

Returns a sphere that contains the original sphere transformed by the given matrix.

Definition at line 157 of file Sphere.hpp.

References mCenter, mRadius, setNull(), and vl::sqrt().

Referenced by vl::Camera::computeNearFarOptimizedProjMatrix().

Sphere vl::Sphere::transformed

(

const mat4 &

mat )

const [inline]

Returns a sphere that contains the original sphere transformed by the given matrix.

Definition at line 181 of file Sphere.hpp.

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Member Data Documentation

vec3 vl::Sphere::mCenter [protected]

Definition at line 189 of file Sphere.hpp.

Referenced by operator==(), and transformed().

real vl::Sphere::mRadius [protected]

Definition at line 190 of file Sphere.hpp.

Referenced by operator==(), and transformed().

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

• /home/master/UCL/VisualizationLibrary/src/vlCore/Sphere.hpp