VRUT::BSphere Class Reference

Bounding sphere class. More...

#include <bvolumes.h>

List of all members.

Public Member Functions
	BSphere ()
	Class constructor.
	BSphere (const BSphere &s)
	Copy constructor.
	~BSphere ()
	Class destructor.
bool	Intersects (const BSphere *s) const
	BSphere-sphere intersection test.
bool	Intersects (const BCone *K) const
	BSphere-cone intersection test.
BSphere &	operator= (const BSphere &s)
	Prevent copying NULL pointers - when debugging.
wxString	ToString () const
	Get string with bounds.
Public Attributes
VECTOR3	Center
	BSphere center.
float	Radius
	BSphere radius.

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Detailed Description

Bounding sphere class.

Definition at line 286 of file bvolumes.h.

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Constructor & Destructor Documentation

VRUT::BSphere::BSphere

(

)

[inline]

Class constructor.

Definition at line 296 of file bvolumes.h.

: Center(0, 0, 0), Radius(0.0f)  {}

VRUT::BSphere::BSphere

(

const BSphere &

s

)

[inline]

Copy constructor.

Definition at line 298 of file bvolumes.h.

: Center(s.Center), Radius(s.Radius)  {}

VRUT::BSphere::~BSphere

(

)

[inline]

Class destructor.

Definition at line 300 of file bvolumes.h.

{}

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Member Function Documentation

bool VRUT::BSphere::Intersects

(

const BSphere *

s

)

const [inline]

BSphere-sphere intersection test.

Definition at line 303 of file bvolumes.h.

              {
                     float r = Radius + s->Radius;
                     VECTOR3 d = Center - s->Center;
                     return d.LengthSq() < r * r;
              }

bool VRUT::BSphere::Intersects

(

const BCone *

K

)

const [inline]

BSphere-cone intersection test.

Definition at line 311 of file bvolumes.h.

              {
                     VECTOR3 U = K->Center - (Radius / sinf(K->Angle)) * K->Axis;
                     VECTOR3 D = Center - U;
                     float dsqr = D.Dot(D);
                     float e = K->Axis.Dot(D);
                     float cs = cosf(K->Angle);
                     if ( e > 0
                            && e * e >= dsqr * cs * cs )
                     {
                            D = Center - K->Center;
                            dsqr = D.Dot(D);
                            e = -K->Axis.Dot(D);
                            float sn = sinf(K->Angle);
                            if ( e > 0 && e * e >= dsqr * sn * sn )
                                   return dsqr <= Radius * Radius;
                            else
                                   return true;
                     }
                     return false;
              }

BSphere& VRUT::BSphere::operator=

(

const BSphere &

s

)

[inline]

Prevent copying NULL pointers - when debugging.

Definition at line 334 of file bvolumes.h.

              {
                     Center = s.Center;
                     Radius = s.Radius;
                     return *this;
              }

wxString VRUT::BSphere::ToString

(

)

const [inline]

Get string with bounds.

Definition at line 342 of file bvolumes.h.

              {
                     return wxString::Format(wxT("Center: %s\nRadius: %f\n"), Center.ToString().c_str(), Radius);
              }

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Member Data Documentation

VECTOR3 VRUT::BSphere::Center

BSphere center.

Definition at line 291 of file bvolumes.h.

float VRUT::BSphere::Radius

BSphere radius.

Definition at line 293 of file bvolumes.h.

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

• /cygdrive/d/src/svn/vrut/trunk/core/src/bvolumes.h