Panda3D
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BoundingSphere Class Reference

This defines a bounding sphere, consisting of a center and a radius. More...

Inheritance diagram for BoundingSphere:
FiniteBoundingVolume GeometricBoundingVolume BoundingVolume TypedReferenceCount TypedObject ReferenceCount

Public Member Functions

 __init__ ()
 Constructs an empty sphere. More...
 
 __init__ (const LPoint3 center, float radius)
 Constructs a specific sphere. More...
 
LPoint3 getCenter ()
 
float getRadius ()
 
 operator new (int size)
 
 setCenter (const LPoint3 center)
 Sets the center point of the sphere. More...
 
 setRadius (float radius)
 Sets the radius of the sphere. More...
 
- Public Member Functions inherited from FiniteBoundingVolume
LPoint3 getMax ()
 
LPoint3 getMin ()
 
float getVolume ()
 
- Public Member Functions inherited from GeometricBoundingVolume
int contains (const GeometricBoundingVolume vol)
 Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated volume. More...
 
int contains (const LPoint3 point)
 Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated point. More...
 
int contains (const LPoint3 a, const LPoint3 b)
 Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated line segment. More...
 
bool extendBy (const GeometricBoundingVolume vol)
 Increases the size of the volume to include the given volume. More...
 
bool extendBy (const LPoint3 point)
 Increases the size of the volume to include the given point. More...
 
LPoint3 getApproxCenter ()
 
 xform (const LMatrix4 mat)
 
- Public Member Functions inherited from BoundingVolume
int contains (const BoundingVolume vol)
 Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated volume. More...
 
bool extendBy (const BoundingVolume vol)
 Increases the size of the volume to include the given volume. More...
 
bool isEmpty ()
 Any kind of volume might be empty. More...
 
bool isInfinite ()
 The other side of the empty coin is an infinite volume. More...
 
BoundingVolume makeCopy ()
 
 output (Ostream out)
 
 setInfinite ()
 Marks the volume as infinite, even if it is normally finite. More...
 
 write (Ostream out, int indent_level)
 
- Public Member Functions inherited from TypedObject
TypeHandle getType ()
 
int getTypeIndex ()
 Returns the internal index number associated with this object's TypeHandle, a unique number for each different type. More...
 
bool isExactType (TypeHandle handle)
 Returns true if the current object is the indicated type exactly. More...
 
bool isOfType (TypeHandle handle)
 Returns true if the current object is or derives from the indicated type. More...
 
- Public Member Functions inherited from ReferenceCount
int getRefCount ()
 Returns the current reference count. More...
 
 ref ()
 Explicitly increments the reference count. More...
 
bool testRefCountIntegrity ()
 Does some easy checks to make sure that the reference count isn't completely bogus. More...
 
bool testRefCountNonzero ()
 Does some easy checks to make sure that the reference count isn't zero, or completely bogus. More...
 
bool unref ()
 Explicitly decrements the reference count. More...
 

Static Public Member Functions

static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from FiniteBoundingVolume
static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from GeometricBoundingVolume
static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from BoundingVolume
static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from TypedReferenceCount
static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from TypedObject
static TypeHandle getClassType ()
 
- Static Public Member Functions inherited from ReferenceCount
static TypeHandle getClassType ()
 

Public Attributes

LPoint3 center
 
float radius
 
- Public Attributes inherited from FiniteBoundingVolume
LPoint3 max
 
LPoint3 min
 
float volume
 
- Public Attributes inherited from TypedObject
TypeHandle type
 Returns the TypeHandle representing this object's type. More...
 
- Public Attributes inherited from ReferenceCount
int ref_count
 The current reference count. More...
 

Additional Inherited Members

- Public Types inherited from BoundingVolume
enum  BoundsType {
  BT_default = 0, BT_best = 1, BT_sphere = 2, BT_box = 3,
  BT_fastest = 4
}
 
enum  IntersectionFlags {
  IF_no_intersection = 0, IF_possible = 1, IF_some = 2, IF_all = 4,
  IF_dont_understand = 8
}
 

Detailed Description

This defines a bounding sphere, consisting of a center and a radius.

It is always a sphere, and never an ellipsoid or other quadric.

Member Function Documentation

◆ __init__() [1/2]

__init__ ( )

Constructs an empty sphere.

◆ __init__() [2/2]

__init__ ( const LPoint3  center,
float  radius 
)

Constructs a specific sphere.

◆ getCenter()

LPoint3 getCenter ( )

◆ getClassType()

static TypeHandle getClassType ( )
static

◆ getRadius()

float getRadius ( )

◆ operator new()

operator new ( int  size)

◆ setCenter()

setCenter ( const LPoint3  center)

Sets the center point of the sphere.

◆ setRadius()

setRadius ( float  radius)

Sets the radius of the sphere.

Member Data Documentation

◆ center

LPoint3 center

◆ radius

float radius