Panda3D
Public Member Functions | Static Public Member Functions | List of all members
GeometricBoundingVolume Class Reference

This is another abstract class, for a general class of bounding volumes that actually enclose points in 3-d space, such as BSP's and bounding spheres. More...

Inheritance diagram for GeometricBoundingVolume:
BoundingVolume TypedReferenceCount TypedObject ReferenceCount BoundingLine BoundingPlane FiniteBoundingVolume IntersectionBoundingVolume OmniBoundingVolume UnionBoundingVolume BoundingBox BoundingHexahedron BoundingSphere

Public Member Functions

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 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 ()
 

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
}
 
- 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...
 

Detailed Description

This is another abstract class, for a general class of bounding volumes that actually enclose points in 3-d space, such as BSP's and bounding spheres.

Member Function Documentation

◆ contains() [1/3]

int contains ( const GeometricBoundingVolume  vol)

Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated volume.

◆ contains() [2/3]

int contains ( const LPoint3  point)

Returns the appropriate set of IntersectionFlags to indicate the amount of intersection with the indicated point.

◆ contains() [3/3]

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.

◆ extendBy() [1/2]

bool extendBy ( const GeometricBoundingVolume  vol)

Increases the size of the volume to include the given volume.

◆ extendBy() [2/2]

bool extendBy ( const LPoint3  point)

Increases the size of the volume to include the given point.

◆ getApproxCenter()

LPoint3 getApproxCenter ( )

◆ getClassType()

static TypeHandle getClassType ( )
static

◆ xform()

xform ( const LMatrix4  mat)