Unigine::WorldBoundSphere Struct

Header:

#include <UnigineMathLibBounds.h>

This structure serves to construct the bounding sphere in double precision coordinates.

By using this structure you can easily find the common bounding sphere for several objects by expanding the bounding sphere.

Methods:

Name	Description View: Sort by:
*create*	Constructor.
isValid	Checks the bounding sphere status.
getCenter	Gets the bounding sphere center.
getRadius	Gets the bounding sphere radius.
operator =	Assignment operator for the bounding sphere.
clear	Clears the bounding sphere.
set	Sets the bounding sphere by its center and radius.
expand	Expands the current bounding sphere for including given point.
inside	Checks if the given point is inside the current bounding sphere.
insideValid	Checks if the given point is inside the current bounding sphere.
insideAll	Checks if the whole specified bounding sphere is inside the current bounding sphere.
insideAllValid	Checks if the whole given bounding sphere is inside the current bounding sphere.
distanceValid	Returns the distance from the given point to the closest point of the current bounding sphere.

WorldBoundSphere Class

Members

static WorldBoundSpherePtr create ( ) #

Constructor. Creates an empty bounding sphere.

WorldBoundSphere ( Math::Vec3 & center, Math::Scalar radius ) #

Constructor. Initializes bounding sphere by the center and radius of the bounding sphere.

Arguments

Math::Vec3 & center - The bounding sphere center.
Math::Scalar radius - The bounding sphere radius.

WorldBoundSphere ( const WorldBoundSphere & bs ) #

Constructor. Initializes by given bounding sphere.

Arguments

const WorldBoundSphere & bs - The bounding sphere.

WorldBoundSphere ( const WorldBoundBox & bb ) #

Constructor. Initializes by given bounding box.

Arguments

const WorldBoundBox & bb - The bounding box.

WorldBoundSphere ( const BoundSphere & bs, const Math::Mat4 & transform ) #

Initialization by the bounding sphere and setting the given transformation matrix to the new bounding sphere.

Arguments

const BoundSphere & bs - The bounding sphere.
const Math::Mat4 & transform - Transformation matrix.

WorldBoundSphere & operator= ( const WorldBoundSphere & bs ) #

Assignment operator for the bounding sphere.

Arguments

const WorldBoundSphere & bs - The bounding sphere.

void clear ( ) #

Clears the bounding sphere.

void set ( const Math::Vec3 & center, Math::Scalar radius ) #

Sets the bounding sphere by its center and radius.

Arguments

const Math::Vec3 & center - The bounding sphere center.
Math::Scalar radius - The bounding sphere radius.

void set ( const WorldBoundSphere & bs ) #

Sets the bounding sphere.

Arguments

const WorldBoundSphere & bs - The bounding sphere.

void set ( const WorldBoundBox & bb ) #

Sets the bounding sphere by the bounding box.

Arguments

const WorldBoundBox & bb - The bounding box.

void set ( const BoundSphere & bs, const Math::Mat4 & transform ) #

Sets the bounding sphere by a bounding sphere with a transformation matrix taken into account.

Arguments

const BoundSphere & bs - The bounding sphere.
const Math::Mat4 & transform - Transformation matrix.

void expand ( const Math::Vec3 & point ) #

Expands the current bounding sphere for including given point.

Arguments

const Math::Vec3 & point - Point coordinates.

void expand ( const WorldBoundSphere & bs ) #

Expands the current bounding sphere for including given bounding sphere.

Arguments

const WorldBoundSphere & bs - The bounding sphere.

void expand ( const WorldBoundBox & bb ) #

Expands the current bounding sphere for including given bounding box.

Arguments

const WorldBoundBox & bb - The bounding box.

int inside ( const Math::Vec3 & point ) const#

Checks if the given point is inside the current bounding sphere.

Arguments

const Math::Vec3 & point - Point coordinates.

Return value

1 if the given point is inside the bounding sphere; otherwise, 0.

int inside ( const Math::Vec3 & point, Math::Scalar radius ) const#

Checks if the sphere is inside the bounding sphere.

Arguments

const Math::Vec3 & point - The coordinates of the center of the sphere .
Math::Scalar radius - The sphere radius.

Return value

1 if the sphere is inside the bounding sphere; otherwise, 0.

int inside ( const Math::Vec3 & min, const Math::Vec3 & max ) const#

Checks if the box is inside the bounding sphere.

Arguments

const Math::Vec3 & min - The box minimum coordinates.
const Math::Vec3 & max - The box maximum coordinates.

Return value

1 if the box is inside the bounding sphere; otherwise, 0.

int inside ( const WorldBoundSphere & bs ) const#

Checks if the specified bounding sphere is inside the current bounding sphere.

Arguments

const WorldBoundSphere & bs - The bounding sphere.

Return value

1 if the specified bounding sphere is inside the current bounding sphere; otherwise, 0.

int inside ( const WorldBoundBox & bb ) const#

Checks if the bounding box is inside the bounding sphere.

Arguments

const WorldBoundBox & bb - The bounding box.

Return value

1 if the bounding box is inside the bounding sphere; otherwise, 0.

int insideValid ( const Math::Vec3 & point ) const#

Checks if the given point is inside the current bounding sphere.

NoticeThe method doesn't check if the bounding sphere is valid (has a positive radius).

Arguments

const Math::Vec3 & point - Point.

Return value

1 if the given point is inside the bounding sphere; otherwise, 0.

int insideValid ( const Math::Vec3 & point, Math::Scalar radius ) const#

Checks if the given sphere is inside the current bounding sphere.

NoticeThe method doesn't check if the bounding sphere is valid (has a positive radius).

Arguments

const Math::Vec3 & point - Cente of the sphere.
Math::Scalar radius - Radius of the sphere.

Return value

1 if the sphere is inside the bounding sphere; otherwise, 0.

int insideValid ( const Math::Vec3 & min, const Math::Vec3 & max ) const#

Checks if the box is inside the bounding sphere.

NoticeThe method doesn't check if the bounding sphere is valid (has a positive radius).

Arguments

const Math::Vec3 & min - The box minimum coordinates.
const Math::Vec3 & max - The box maximum coordinates.

Return value

1 if the box is inside the bounding sphere; otherwise, 0.

int insideValid ( const WorldBoundSphere & bs ) const#

Checks if the bounding sphere is inside the bounding sphere.

NoticeThe method doesn't check if the bounding sphere is valid (has a positive radius).

Arguments

const WorldBoundSphere & bs - The bounding sphere.

Return value

1 if the bounding sphere is inside the bounding sphere; otherwise, 0.

int insideValid ( const WorldBoundBox & bb ) const#

Checks if the bounding box is inside the bounding sphere.

NoticeThe method doesn't check if the bounding sphere is valid (has a positive radius).

Arguments

const WorldBoundBox & bb - The bounding box.

Return value

1 if the bounding box is inside the bounding sphere; otherwise, 0.

int insideAll ( const WorldBoundSphere & bs ) const#

Checks if the whole specified bounding sphere is inside the current bounding sphere.

Arguments

const WorldBoundSphere & bs - The bounding sphere.

Return value

1 if the whole specified sphere is inside the current bounding sphere; otherwise, 0.

int insideAll ( const WorldBoundBox & bb ) const#

Checks if the whole bounding box is inside the bounding sphere.

Arguments

const WorldBoundBox & bb - The bounding box.

Return value

1 if the whole box is inside the bounding sphere; otherwise, 0.

int insideAllValid ( const WorldBoundSphere & bs ) const#

Checks if the whole given bounding sphere is inside the current bounding sphere.

NoticeThe method doesn't check if the bounding sphere is valid (has a positive radius).

Arguments

const WorldBoundSphere & bs - Bounding sphere.

Return value

1 if the whole bounding sphere is inside the bounding sphere; otherwise, 0.

int insideAllValid ( const WorldBoundBox & bb ) const#

Checks if the whole given bounding box is inside the current bounding sphere.

NoticeThe method doesn't check if the bounding sphere is valid (has a positive radius).

Arguments

const WorldBoundBox & bb - Bounding box.

Return value

1 if the whole bounding box is inside the bounding sphere; otherwise, 0.

Math::Scalar distanceValid ( const Math::Vec3 & point ) const#

Returns the distance from the given point to the closest point of the current bounding sphere.

Arguments

const Math::Vec3 & point - Point

Return value

Distance from the point, in units.

bool isValid ( ) const#

Checks the bounding sphere status.

Return value

1 if the bounding sphere radius has a positive value.

Math::Vec3 getCenter ( ) const#

Gets the bounding sphere center.

Return value

The bounding sphere center.

Math::Scalar getRadius ( ) const#

Gets the bounding sphere radius.

Return value

The bounding sphere radius.

Last update: 10.03.2022

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