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Ogre::Sphere Class Reference

A sphere primitive, mostly used for bounds checking. More...

#include <OgreSphere.h>

List of all members.

Public Member Functions

 Sphere ()
 Standard constructor - creates a unit sphere around the origin.

 Sphere (const Vector3 &center, Real radius)
 Constructor allowing arbitrary spheres.

Real getRadius (void) const
 Returns the radius of the sphere.

void setRadius (Real radius)
 Sets the radius of the sphere.

const Vector3 & getCenter (void) const
 Returns the center point of the sphere.

void setCenter (const Vector3 &center)
 Sets the center point of the sphere.

bool intersects (const Sphere &s) const
 Returns whether or not this sphere interects another sphere.

bool intersects (const AxisAlignedBox &box) const
 Returns whether or not this sphere interects a box.

bool intersects (const Plane &plane) const
 Returns whether or not this sphere interects a plane.

bool intersects (const Vector3 &v) const
 Returns whether or not this sphere interects a point.


Protected Attributes

Real mRadius
Vector3 mCenter

Detailed Description

A sphere primitive, mostly used for bounds checking.

Remarks:
A sphere in math texts is normally represented by the function x^2 + y^2 + z^2 = r^2 (for sphere's centered on the origin). Ogre stores spheres simply as a center point and a radius.

Definition at line 42 of file OgreSphere.h.

Constructor & Destructor Documentation

Ogre::Sphere::Sphere (   ) 
 

Standard constructor - creates a unit sphere around the origin.

Definition at line 49 of file OgreSphere.h.

Ogre::Sphere::Sphere (  const Vector3 &  center,
Real  radius
) 
 

Constructor allowing arbitrary spheres.

Parameters:
center The center point of the sphere.
radius The radius of the sphere.

Definition at line 54 of file OgreSphere.h.

References Ogre::Real.

Member Function Documentation

const Vector3& Ogre::Sphere::getCenter (  void   )  const
 

Returns the center point of the sphere.

Definition at line 64 of file OgreSphere.h.

Referenced by Ogre::PlaneBoundedVolume::intersects().

Real Ogre::Sphere::getRadius (  void   )  const
 

Returns the radius of the sphere.

Definition at line 58 of file OgreSphere.h.

References Ogre::Real.

Referenced by Ogre::PlaneBoundedVolume::intersects().

bool Ogre::Sphere::intersects (  const Vector3 &  v  )  const
 

Returns whether or not this sphere interects a point.

Definition at line 86 of file OgreSphere.h.

bool Ogre::Sphere::intersects (  const Plane &  plane  )  const
 

Returns whether or not this sphere interects a plane.

Definition at line 81 of file OgreSphere.h.

bool Ogre::Sphere::intersects (  const AxisAlignedBox &  box  )  const
 

Returns whether or not this sphere interects a box.

Definition at line 76 of file OgreSphere.h.

bool Ogre::Sphere::intersects (  const Sphere &  s  )  const
 

Returns whether or not this sphere interects another sphere.

Definition at line 70 of file OgreSphere.h.

References Ogre::Vector3::length(), mCenter, and mRadius.

void Ogre::Sphere::setCenter (  const Vector3 &  center  ) 
 

Sets the center point of the sphere.

Definition at line 67 of file OgreSphere.h.

void Ogre::Sphere::setRadius (  Real  radius  ) 
 

Sets the radius of the sphere.

Definition at line 61 of file OgreSphere.h.

References Ogre::Real.

Member Data Documentation

Vector3 Ogre::Sphere::mCenter [protected]
 

Definition at line 46 of file OgreSphere.h.

Referenced by intersects().

Real Ogre::Sphere::mRadius [protected]
 

Definition at line 45 of file OgreSphere.h.

Referenced by intersects().

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

Copyright © 2000-2005 by The OGRE Team
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Last modified Sun Mar 12 14:44:36 2006