Panda3D
|
A cylindrical lens. More...
#include "cylindricalLens.h"
Public Types | |
enum | FromCorners { FC_roll = 0x0001, FC_camera_plane = 0x0002, FC_off_axis = 0x0004, FC_aspect_ratio = 0x0008, FC_shear = 0x0010, FC_keystone = 0x0020 } |
enum | StereoChannel { SC_mono = 0x00, SC_left = 0x01, SC_right = 0x02, SC_stereo = 0x03 } |
Public Member Functions | |
CylindricalLens (const CylindricalLens ©) | |
virtual ReferenceCount * | as_reference_count () |
Returns the pointer cast to a ReferenceCount pointer, if it is in fact of that type. | |
TypedObject * | as_typed_object () |
Returns the object, upcast (if necessary) to a TypedObject pointer. | |
const TypedObject * | as_typed_object () const |
Returns the object, upcast (if necessary) to a TypedObject pointer. | |
void | clear () |
Resets all lens parameters to their initial default settings. | |
void | clear_keystone () |
Disables the lens keystone correction. | |
void | clear_view_mat () |
Resets the lens transform to identity. | |
virtual int | complete_pointers (TypedWritable **p_list, BamReader *manager) |
Receives an array of pointers, one for each time manager->read_pointer() was called in fillin(). | |
bool | encode_to_bam_stream (string &data, BamWriter *writer=NULL) const |
Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string. | |
string | encode_to_bam_stream () const |
Converts the TypedWritable object into a single stream of data using a BamWriter, and returns that data as a string string. | |
bool | extrude (const LPoint2f &point2d, LPoint3f &near_point, LPoint3f &far_point) const |
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the corresponding vector in space that maps to this point, if such a vector can be determined. | |
bool | extrude (const LPoint3f &point2d, LPoint3f &near_point, LPoint3f &far_point) const |
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the corresponding vector in space that maps to this point, if such a vector can be determined. | |
bool | extrude_vec (const LPoint2f &point2d, LVector3f &vec3d) const |
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the vector that corresponds to the view direction. | |
bool | extrude_vec (const LPoint3f &point2d, LVector3f &vec3d) const |
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the vector that corresponds to the view direction. | |
virtual void | finalize (BamReader *manager) |
Called by the BamReader to perform any final actions needed for setting up the object after all objects have been read and all pointers have been completed. | |
virtual TypeHandle | force_init_type () |
float | get_aspect_ratio () const |
Returns the aspect ratio of the Lens. | |
UpdateSeq | get_bam_modified () const |
Returns the current bam_modified counter. | |
int | get_best_parent_from_Set (const std::set< int > &) const |
const string & | get_change_event () const |
Returns the name of the event that will be generated whenever any properties of this particular Lens have changed. | |
float | get_convergence_distance () const |
See set_convergence_distance(). | |
CoordinateSystem | get_coordinate_system () const |
Returns the coordinate system that all 3-d computations are performed within for this Lens. | |
float | get_far () const |
Returns the position of the far plane (or cylinder, sphere, whatever). | |
const LMatrix4f & | get_film_mat () const |
Returns the matrix that transforms from a point behind the lens to a point on the film. | |
const LMatrix4f & | get_film_mat_inv () const |
Returns the matrix that transforms from a point on the film to a point behind the lens. | |
const LVector2f & | get_film_offset () const |
Returns the horizontal and vertical offset amounts of this Lens. | |
const LVecBase2f & | get_film_size () const |
Returns the horizontal and vertical film size of the virtual film. | |
float | get_focal_length () const |
Returns the focal length of the lens. | |
const LVecBase2f & | get_fov () const |
Returns the horizontal and vertical film size of the virtual film. | |
float | get_hfov () const |
Returns the horizontal component of fov only. | |
float | get_interocular_distance () const |
See set_interocular_distance(). | |
const LVecBase2f & | get_keystone () const |
Returns the keystone correction specified for the lens. | |
const UpdateSeq & | get_last_change () const |
Returns the UpdateSeq that is incremented whenever the lens properties are changed. | |
const LMatrix4f & | get_lens_mat () const |
Returns the matrix that transforms from a point in front of the lens to a point in space. | |
const LMatrix4f & | get_lens_mat_inv () const |
Returns the matrix that transforms from a point in space to a point in front of the lens. | |
float | get_min_fov () const |
Returns the field of view of the narrowest dimension of the window. | |
float | get_near () const |
Returns the position of the near plane (or cylinder, sphere, whatever). | |
LPoint3f | get_nodal_point () const |
Returns the center point of the lens: the point from which the lens is viewing. | |
const LMatrix4f & | get_projection_mat (StereoChannel channel=SC_mono) const |
Returns the complete transformation matrix from a 3-d point in space to a point on the film, if such a matrix exists, or the identity matrix if the lens is nonlinear. | |
const LMatrix4f & | get_projection_mat_inv (StereoChannel channel=SC_mono) const |
Returns the matrix that transforms from a 2-d point on the film to a 3-d vector in space, if such a matrix exists. | |
int | get_ref_count () const |
Returns the current reference count. | |
virtual TypeHandle | get_type () const |
int | get_type_index () const |
Returns the internal index number associated with this object's TypeHandle, a unique number for each different type. | |
const LVector3f & | get_up_vector () const |
Returns the axis perpendicular to the camera's view vector that indicates the "up" direction. | |
float | get_vfov () const |
Returns the vertical component of fov only. | |
const LVecBase3f & | get_view_hpr () const |
Returns the direction in which the lens is facing. | |
const LMatrix4f & | get_view_mat () const |
Returns the direction in which the lens is facing. | |
const LVector3f & | get_view_vector () const |
Returns the axis along which the lens is facing. | |
WeakReferenceList * | get_weak_list () const |
Returns the WeakReferenceList associated with this ReferenceCount object. | |
bool | has_weak_list () const |
Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise. | |
bool | is_exact_type (TypeHandle handle) const |
Returns true if the current object is the indicated type exactly. | |
virtual bool | is_linear () const |
Returns true if the lens represents a linear projection (e.g. | |
bool | is_of_type (TypeHandle handle) const |
Returns true if the current object is or derives from the indicated type. | |
virtual bool | is_orthographic () const |
Returns true if the lens represents a orthographic projection (i.e. | |
virtual bool | is_perspective () const |
Returns true if the lens represents a perspective projection (i.e. | |
void | local_object () |
This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack. | |
void | mark_bam_modified () |
Increments the bam_modified counter, so that this object will be invalidated and retransmitted on any open bam streams. | |
void | operator delete (void *ptr, void *) |
void | operator delete (void *ptr) |
void | operator delete (void *ptr, void *) |
void | operator delete (void *ptr) |
void | operator delete[] (void *, void *) |
void | operator delete[] (void *, void *) |
void | operator delete[] (void *ptr) |
void | operator delete[] (void *ptr) |
void * | operator new (size_t size, void *ptr) |
void * | operator new (size_t size) |
void * | operator new (size_t size, void *ptr) |
void * | operator new (size_t size) |
void * | operator new[] (size_t size, void *ptr) |
void * | operator new[] (size_t size) |
void * | operator new[] (size_t size) |
void * | operator new[] (size_t size, void *ptr) |
void | operator= (const CylindricalLens ©) |
virtual void | output (ostream &out) const |
bool | project (const LPoint3f &point3d, LPoint3f &point2d) const |
Given a 3-d point in space, determine the 2-d point this maps to, in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner. | |
bool | project (const LPoint3f &point3d, LPoint2f &point2d) const |
Given a 3-d point in space, determine the 2-d point this maps to, in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner. | |
virtual | PT (BoundingVolume) make_bounds() const |
virtual | PT (Lens) make_copy() const |
virtual | PT (Geom) make_geometry() |
void | recompute_all () |
Forces all internal parameters of the Lens to be recomputed. | |
void | ref () const |
Explicitly increments the reference count. | |
virtual bool | require_fully_complete () const |
Some objects require all of their nested pointers to have been completed before the objects themselves can be completed. | |
void | set_aspect_ratio (float aspect_ratio) |
Sets the aspect ratio of the lens. | |
void | set_change_event (const string &event) |
Sets the name of the event that will be generated whenever any properties of the Lens have changed. | |
void | set_convergence_distance (float convergence_distance) |
Sets the distance between between the camera plane and the point in the distance that the left and right eyes are both looking at. | |
void | set_coordinate_system (CoordinateSystem cs) |
Specifies the coordinate system that all 3-d computations are performed within for this Lens. | |
void | set_far (float far_distance) |
Defines the position of the far plane (or cylinder, sphere, whatever). | |
void | set_film_offset (const LVecBase2f &film_offset) |
Sets the horizontal and vertical offset amounts of this Lens. | |
void | set_film_offset (float x, float y) |
Sets the horizontal and vertical offset amounts of this Lens. | |
void | set_film_size (float width, float height) |
Sets the size and shape of the "film" within the lens. | |
void | set_film_size (const LVecBase2f &film_size) |
Sets the size and shape of the "film" within the lens. | |
void | set_film_size (float width) |
Sets the horizontal size of the film without changing its shape. | |
void | set_focal_length (float focal_length) |
Sets the focal length of the lens. | |
void | set_fov (const LVecBase2f &fov) |
Sets the field of view of the lens in both dimensions. | |
void | set_fov (float hfov, float vfov) |
Sets the field of view of the lens in both dimensions. | |
void | set_fov (float fov) |
Sets the horizontal field of view of the lens without changing the aspect ratio. | |
void | set_frustum_from_corners (const LVecBase3f &ul, const LVecBase3f &ur, const LVecBase3f &ll, const LVecBase3f &lr, int flags) |
Sets up the lens to use the frustum defined by the four indicated points. | |
void | set_interocular_distance (float interocular_distance) |
Sets the distance between the left and right eyes of a stereo camera. | |
void | set_keystone (const LVecBase2f &keystone) |
Indicates the ratio of keystone correction to perform on the lens, in each of three axes. | |
void | set_min_fov (float min_fov) |
Sets the field of view of the smallest dimension of the window. | |
void | set_near (float near_distance) |
Defines the position of the near plane (or cylinder, sphere, whatever). | |
void | set_near_far (float near_distance, float far_distance) |
Simultaneously changes the near and far planes. | |
void | set_view_hpr (float h, float p, float r) |
Sets the direction in which the lens is facing. | |
void | set_view_hpr (const LVecBase3f &view_hpr) |
Sets the direction in which the lens is facing. | |
void | set_view_mat (const LMatrix4f &view_mat) |
Sets an arbitrary transformation on the lens. | |
void | set_view_vector (float x, float y, float z, float i, float j, float k) |
Specifies the direction in which the lens is facing by giving an axis to look along, and a perpendicular (or at least non-parallel) up axis. | |
void | set_view_vector (const LVector3f &view_vector, const LVector3f &up_vector) |
Specifies the direction in which the lens is facing by giving an axis to look along, and a perpendicular (or at least non-parallel) up axis. | |
bool | test_ref_count_integrity () const |
Does some easy checks to make sure that the reference count isn't completely bogus. | |
bool | test_ref_count_nonzero () const |
Does some easy checks to make sure that the reference count isn't zero, or completely bogus. | |
virtual bool | unref () const |
Explicitly decrements the reference count. | |
virtual void | update_bam_nested (BamWriter *manager) |
Called by the BamWriter when this object has not itself been modified recently, but it should check its nested objects for updates. | |
void | weak_ref (WeakPointerToVoid *ptv) |
Adds the indicated PointerToVoid as a weak reference to this object. | |
void | weak_unref (WeakPointerToVoid *ptv) |
Removes the indicated PointerToVoid as a weak reference to this object. | |
virtual void | write (ostream &out, int indent_level=0) const |
virtual void | write_datagram (BamWriter *manager, Datagram &dg) |
Writes the contents of this object to the datagram for shipping out to a Bam file. | |
Static Public Member Functions | |
static bool | decode_raw_from_bam_stream (TypedWritable *&ptr, ReferenceCount *&ref_ptr, const string &data, BamReader *reader=NULL) |
Reads the string created by a previous call to encode_to_bam_stream(), and extracts the single object on that string. | |
static TypeHandle | get_class_type () |
static float | get_default_far () |
Returns the default far plane distance that will be assigned to each newly-created lens. | |
static float | get_default_near () |
Returns the default near plane distance that will be assigned to each newly-created lens. | |
static void | init_type () |
static | PT (TypedWritableReferenceCount) decode_from_bam_stream(const string &data |
Public Attributes | |
static BamReader * | reader = NULL) |
Static Public Attributes | |
static TypedWritable *const | Null = (TypedWritable*)0L |
Protected Types | |
enum | CompFlags { CF_film_mat = 0x0001, CF_film_mat_inv = 0x0002, CF_lens_mat = 0x0004, CF_lens_mat_inv = 0x0008, CF_projection_mat = 0x0010, CF_projection_mat_inv = 0x0020, CF_projection_mat_left_inv = 0x0040, CF_projection_mat_right_inv = 0x0080, CF_mat = 0x00ff, CF_film_size = 0x0100, CF_aspect_ratio = 0x0200, CF_view_hpr = 0x0400, CF_view_vector = 0x0800, CF_focal_length = 0x1000, CF_fov = 0x2000 } |
enum | UserFlags { UF_film_width = 0x0001, UF_film_height = 0x0002, UF_focal_length = 0x0004, UF_hfov = 0x0008, UF_vfov = 0x0010, UF_aspect_ratio = 0x0020, UF_view_hpr = 0x0040, UF_view_vector = 0x0080, UF_interocular_distance = 0x0100, UF_convergence_distance = 0x0200, UF_view_mat = 0x0400, UF_keystone = 0x0800, UF_min_fov = 0x1000 } |
Protected Member Functions | |
void | adjust_comp_flags (int clear_flags, int set_flags) |
Clears from _comp_flags the bits in the first parameter, and sets the bits in the second parameter. | |
void | adjust_user_flags (int clear_flags, int set_flags) |
Clears from _user_flags the bits in the first parameter, and sets the bits in the second parameter. | |
virtual void | compute_aspect_ratio () |
Computes the aspect ratio of the film rectangle, as a ratio of width to height. | |
virtual void | compute_film_mat () |
Computes the matrix that transforms from a point behind the lens to a point on the film. | |
virtual void | compute_film_size () |
Computes the size and shape of the film behind the camera, based on the aspect ratio and fov. | |
virtual void | compute_focal_length () |
Computes the focal length of the lens, based on the fov and film size. | |
virtual void | compute_fov () |
Computes the field of view of the lens, based on the film size and focal length. | |
virtual void | compute_lens_mat () |
Computes the matrix that transforms from a point in front of the lens to a point in space. | |
virtual void | compute_projection_mat () |
Computes the complete transformation matrix from 3-d point to 2-d point, if the lens is linear. | |
virtual void | compute_view_hpr () |
Computes the Euler angles representing the lens' rotation. | |
virtual void | compute_view_vector () |
Computes the view vector and up vector for the lens. | |
bool | do_test_ref_count_integrity () const |
Does some easy checks to make sure that the reference count isn't completely bogus. | |
bool | do_test_ref_count_nonzero () const |
Returns true if the reference count is nonzero, false otherwise. | |
virtual bool | extrude_impl (const LPoint3f &point2d, LPoint3f &near_point, LPoint3f &far_point) const |
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the corresponding vector in space that maps to this point, if such a vector can be determined. | |
virtual bool | extrude_vec_impl (const LPoint3f &point2d, LVector3f &vec) const |
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the vector that corresponds to the view direction. | |
void | fillin (DatagramIterator &scan, BamReader *manager) |
This internal function is called by make_from_bam to read in all of the relevant data from the BamFile for the new Lens. | |
virtual float | film_to_fov (float film_size, float focal_length, bool horiz) const |
Given a width (or height) on the film and a focal length, compute the field of view in degrees. | |
virtual float | fov_to_film (float fov, float focal_length, bool horiz) const |
Given a field of view in degrees and a focal length, compute the correspdonding width (or height) on the film. | |
virtual float | fov_to_focal_length (float fov, float film_size, bool horiz) const |
Given a field of view in degrees and a width (or height) on the film, compute the focal length of the lens. | |
virtual bool | project_impl (const LPoint3f &point3d, LPoint3f &point2d) const |
Given a 3-d point in space, determine the 2-d point this maps to, in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner. | |
PT (GeomVertexData) _geom_data | |
void | throw_change_event () |
Throws the event associated with changing properties on this Lens, if any. | |
Protected Attributes | |
float | _aspect_ratio |
string | _change_event |
short | _comp_flags |
float | _convergence_distance |
CoordinateSystem | _cs |
float | _far_distance |
LMatrix4f | _film_mat |
LMatrix4f | _film_mat_inv |
LVector2f | _film_offset |
LVecBase2f | _film_size |
char | _film_size_seq |
float | _focal_length |
char | _focal_length_seq |
LVecBase2f | _fov |
char | _fov_seq |
float | _interocular_distance |
LVecBase2f | _keystone |
UpdateSeq | _last_change |
LMatrix4f | _lens_mat |
LMatrix4f | _lens_mat_inv |
float | _min_fov |
float | _near_distance |
LMatrix4f | _projection_mat |
LMatrix4f | _projection_mat_inv |
LMatrix4f | _projection_mat_left |
LMatrix4f | _projection_mat_left_inv |
LMatrix4f | _projection_mat_right |
LMatrix4f | _projection_mat_right_inv |
LVector3f | _up_vector |
short | _user_flags |
LVecBase3f | _view_hpr |
LVector3f | _view_vector |
A cylindrical lens.
This is the kind of lens generally used for extremely wide panoramic shots. It behaves like a normal perspective lens in the vertical direction, but it is non-linear in the horizontal dimension: a point on the film corresponds to a point in space in linear proportion to its angle to the camera, not to its straight-line distance from the center.
This allows up to 360 degree lenses in the horizontal dimension, with relatively little distortion. The distortion is not very apparent between two relatively nearby points on the film, but it becomes increasingly evident as you compare points widely spaced on the film.
Definition at line 40 of file cylindricalLens.h.
void Lens::adjust_comp_flags | ( | int | clear_flags, |
int | set_flags | ||
) | [inline, protected, inherited] |
Clears from _comp_flags the bits in the first parameter, and sets the bits in the second parameter.
Definition at line 432 of file lens.I.
Referenced by Lens::clear_keystone(), MatrixLens::clear_left_eye_mat(), MatrixLens::clear_right_eye_mat(), Lens::clear_view_mat(), Lens::compute_aspect_ratio(), Lens::compute_film_mat(), Lens::compute_film_size(), Lens::compute_focal_length(), Lens::compute_fov(), Lens::compute_lens_mat(), PerspectiveLens::compute_projection_mat(), MatrixLens::compute_projection_mat(), OrthographicLens::compute_projection_mat(), Lens::compute_projection_mat(), Lens::compute_view_hpr(), Lens::compute_view_vector(), Lens::get_film_mat_inv(), Lens::get_lens_mat_inv(), Lens::get_projection_mat_inv(), Lens::set_aspect_ratio(), Lens::set_convergence_distance(), Lens::set_coordinate_system(), Lens::set_far(), Lens::set_film_offset(), Lens::set_film_size(), Lens::set_focal_length(), Lens::set_fov(), Lens::set_interocular_distance(), Lens::set_keystone(), MatrixLens::set_left_eye_mat(), Lens::set_min_fov(), Lens::set_near(), Lens::set_near_far(), MatrixLens::set_right_eye_mat(), MatrixLens::set_user_mat(), Lens::set_view_hpr(), Lens::set_view_mat(), and Lens::set_view_vector().
void Lens::adjust_user_flags | ( | int | clear_flags, |
int | set_flags | ||
) | [inline, protected, inherited] |
Clears from _user_flags the bits in the first parameter, and sets the bits in the second parameter.
Definition at line 421 of file lens.I.
Referenced by Lens::clear_keystone(), Lens::clear_view_mat(), Lens::set_aspect_ratio(), Lens::set_convergence_distance(), Lens::set_film_size(), Lens::set_focal_length(), Lens::set_fov(), Lens::set_interocular_distance(), Lens::set_keystone(), Lens::set_min_fov(), Lens::set_view_hpr(), Lens::set_view_mat(), and Lens::set_view_vector().
ReferenceCount * TypedWritableReferenceCount::as_reference_count | ( | ) | [virtual, inherited] |
Returns the pointer cast to a ReferenceCount pointer, if it is in fact of that type.
Reimplemented from TypedWritable.
Definition at line 26 of file typedWritableReferenceCount.cxx.
TypedObject * TypedObject::as_typed_object | ( | ) | [inline, inherited] |
Returns the object, upcast (if necessary) to a TypedObject pointer.
Definition at line 99 of file typedObject.I.
const TypedObject * TypedObject::as_typed_object | ( | ) | const [inline, inherited] |
Returns the object, upcast (if necessary) to a TypedObject pointer.
Definition at line 110 of file typedObject.I.
void Lens::clear | ( | ) | [inherited] |
Resets all lens parameters to their initial default settings.
Definition at line 102 of file lens.cxx.
References ConfigVariableBase::has_value(), Lens::set_convergence_distance(), and Lens::set_interocular_distance().
void Lens::clear_keystone | ( | ) | [inherited] |
Disables the lens keystone correction.
Definition at line 766 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), and Lens::throw_change_event().
void Lens::clear_view_mat | ( | ) | [inherited] |
Resets the lens transform to identity.
Definition at line 722 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), LMatrix4f::ident_mat(), and Lens::throw_change_event().
int TypedWritable::complete_pointers | ( | TypedWritable ** | p_list, |
BamReader * | manager | ||
) | [virtual, inherited] |
Receives an array of pointers, one for each time manager->read_pointer() was called in fillin().
Returns the number of pointers processed.
This is the callback function that is made by the BamReader at some later point, after all of the required pointers have been filled in. It is necessary because there might be forward references in a bam file; when we call read_pointer() in fillin(), the object may not have been read from the file yet, so we do not have a pointer available at that time. Thus, instead of returning a pointer, read_pointer() simply reserves a later callback. This function provides that callback. The calling object is responsible for keeping track of the number of times it called read_pointer() and extracting the same number of pointers out of the supplied vector, and storing them appropriately within the object.
Reimplemented in CFDoCullCommand, AnimBundleNode, AnimChannelMatrixDynamic, AnimChannelScalarDynamic, AnimGroup, MovingPartBase, PartBundle, PartBundleNode, PartGroup, Character, CharacterJoint, CharacterJointEffect, CharacterVertexSlider, JointVertexTransform, CollisionNode, DataNodeTransmit, GeomVertexArrayData, GeomVertexArrayFormat, GeomVertexData, GeomVertexFormat, SliderTable, TextureStage, TransformBlendTable, TransformTable, PiecewiseCurve, ClipPlaneAttrib, FogAttrib, LensNode, LightAttrib, MaterialAttrib, PortalNode, RenderEffects, RenderState, TexGenAttrib, TexMatrixAttrib, TexProjectorEffect, TextureAttrib, BamCacheIndex, RecorderFrame, EggFile, ImageFile, PaletteGroup, PaletteGroups, PaletteImage, PalettePage, Palettizer, SourceTextureImage, TextureImage, TexturePlacement, TextureProperties, and TextureReference.
Definition at line 103 of file typedWritable.cxx.
void Lens::compute_aspect_ratio | ( | ) | [protected, virtual, inherited] |
Computes the aspect ratio of the film rectangle, as a ratio of width to height.
Definition at line 1620 of file lens.cxx.
References Lens::adjust_comp_flags(), and Lens::get_film_size().
Referenced by Lens::set_film_size(), Lens::set_fov(), and Lens::set_min_fov().
void Lens::compute_film_mat | ( | ) | [protected, virtual, inherited] |
Computes the matrix that transforms from a point behind the lens to a point on the film.
Definition at line 1689 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::get_film_offset(), and Lens::get_film_size().
void Lens::compute_film_size | ( | ) | [protected, virtual, inherited] |
Computes the size and shape of the film behind the camera, based on the aspect ratio and fov.
Definition at line 1462 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::fov_to_film(), and Lens::fov_to_focal_length().
void Lens::compute_focal_length | ( | ) | [protected, virtual, inherited] |
Computes the focal length of the lens, based on the fov and film size.
This is based on the horizontal dimension.
Definition at line 1525 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::fov_to_focal_length(), Lens::get_film_size(), and Lens::get_fov().
void Lens::compute_fov | ( | ) | [protected, virtual, inherited] |
Computes the field of view of the lens, based on the film size and focal length.
Definition at line 1542 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::film_to_fov(), Lens::fov_to_focal_length(), and Lens::get_film_size().
void Lens::compute_lens_mat | ( | ) | [protected, virtual, inherited] |
Computes the matrix that transforms from a point in front of the lens to a point in space.
Definition at line 1724 of file lens.cxx.
References Lens::adjust_comp_flags(), and LMatrix4f::ident_mat().
void Lens::compute_projection_mat | ( | ) | [protected, virtual, inherited] |
Computes the complete transformation matrix from 3-d point to 2-d point, if the lens is linear.
Reimplemented in MatrixLens, OrthographicLens, and PerspectiveLens.
Definition at line 1670 of file lens.cxx.
References Lens::adjust_comp_flags(), and LMatrix4f::ident_mat().
void Lens::compute_view_hpr | ( | ) | [protected, virtual, inherited] |
Computes the Euler angles representing the lens' rotation.
Definition at line 1639 of file lens.cxx.
References Lens::adjust_comp_flags(), and Lens::get_view_mat().
void Lens::compute_view_vector | ( | ) | [protected, virtual, inherited] |
Computes the view vector and up vector for the lens.
Definition at line 1654 of file lens.cxx.
References Lens::adjust_comp_flags(), LVector3f::forward(), Lens::get_view_mat(), and LVector3f::up().
bool TypedWritable::decode_raw_from_bam_stream | ( | TypedWritable *& | ptr, |
ReferenceCount *& | ref_ptr, | ||
const string & | data, | ||
BamReader * | reader = NULL |
||
) | [static, inherited] |
Reads the string created by a previous call to encode_to_bam_stream(), and extracts the single object on that string.
Returns true on success, false on on error.
This variant sets the TypedWritable and ReferenceCount pointers separately; both are pointers to the same object. The reference count is not incremented; it is the caller's responsibility to manage the reference count.
Note that this method cannot be used to retrieve objects that do not inherit from ReferenceCount, because these objects cannot persist beyond the lifetime of the BamReader that reads them. To retrieve these objects from a bam stream, you must construct a BamReader directly.
If you happen to know that the particular object in question inherits from TypedWritableReferenceCount or PandaNode, consider calling the variant of decode_from_bam_stream() defined for those methods, which presents a simpler interface.
Definition at line 353 of file typedWritable.cxx.
References BamReader::init(), DatagramInputFile::open(), DatagramInputFile::read_header(), BamReader::read_object(), ReferenceCount::ref(), BamReader::resolve(), BamReader::set_source(), and ReferenceCount::unref().
bool ReferenceCount::do_test_ref_count_integrity | ( | ) | const [protected, inherited] |
Does some easy checks to make sure that the reference count isn't completely bogus.
Returns true if ok, false otherwise.
Reimplemented in NodeReferenceCount, CachedTypedWritableReferenceCount, and NodeCachedReferenceCount.
Definition at line 29 of file referenceCount.cxx.
Referenced by ReferenceCount::do_test_ref_count_nonzero(), and ReferenceCount::test_ref_count_integrity().
bool ReferenceCount::do_test_ref_count_nonzero | ( | ) | const [protected, inherited] |
Returns true if the reference count is nonzero, false otherwise.
Definition at line 56 of file referenceCount.cxx.
References ReferenceCount::do_test_ref_count_integrity().
Referenced by ReferenceCount::test_ref_count_nonzero().
string TypedWritable::encode_to_bam_stream | ( | ) | const [inline, inherited] |
Converts the TypedWritable object into a single stream of data using a BamWriter, and returns that data as a string string.
Returns empty string on failure.
This is a convenience method particularly useful for cases when you are only serializing a single object. If you have many objects to process, it is more efficient to use the same BamWriter to serialize all of them together.
Definition at line 86 of file typedWritable.I.
bool TypedWritable::encode_to_bam_stream | ( | string & | data, |
BamWriter * | writer = NULL |
||
) | const [inherited] |
Converts the TypedWritable object into a single stream of data using a BamWriter, and stores that data in the indicated string.
Returns true on success, false on failure.
This is a convenience method particularly useful for cases when you are only serializing a single object. If you have many objects to process, it is more efficient to use the same BamWriter to serialize all of them together.
Definition at line 283 of file typedWritable.cxx.
References BamWriter::init(), DatagramOutputFile::open(), BamWriter::set_target(), DatagramOutputFile::write_header(), and BamWriter::write_object().
bool Lens::extrude | ( | const LPoint3f & | point2d, |
LPoint3f & | near_point, | ||
LPoint3f & | far_point | ||
) | const [inline, inherited] |
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the corresponding vector in space that maps to this point, if such a vector can be determined.
The vector is returned by indicating the points on the near plane and far plane that both map to the indicated 2-d point.
The z coordinate of the 2-d point is ignored.
Returns true if the vector is defined, or false otherwise.
Definition at line 55 of file lens.I.
References Lens::extrude_impl().
bool Lens::extrude | ( | const LPoint2f & | point2d, |
LPoint3f & | near_point, | ||
LPoint3f & | far_point | ||
) | const [inline, inherited] |
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the corresponding vector in space that maps to this point, if such a vector can be determined.
The vector is returned by indicating the points on the near plane and far plane that both map to the indicated 2-d point.
Returns true if the vector is defined, or false otherwise.
Definition at line 32 of file lens.I.
References Lens::extrude_impl().
Referenced by PortalClipper::prepare_portal(), CollisionSegment::set_from_lens(), and CollisionRay::set_from_lens().
bool CylindricalLens::extrude_impl | ( | const LPoint3f & | point2d, |
LPoint3f & | near_point, | ||
LPoint3f & | far_point | ||
) | const [protected, virtual] |
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the corresponding vector in space that maps to this point, if such a vector can be determined.
The vector is returned by indicating the points on the near plane and far plane that both map to the indicated 2-d point.
The z coordinate of the 2-d point is ignored.
Returns true if the vector is defined, or false otherwise.
Reimplemented from Lens.
Definition at line 54 of file cylindricalLens.cxx.
References Lens::get_far(), Lens::get_film_mat_inv(), Lens::get_focal_length(), Lens::get_lens_mat(), and Lens::get_near().
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the vector that corresponds to the view direction.
This will be parallel to the normal on the surface (the far plane) corresponding to the lens shape at this point.
See the comment block on Lens::extrude_vec_impl() for a more in-depth comment on the meaning of this vector.
Returns true if the vector is defined, or false otherwise.
Definition at line 78 of file lens.I.
References Lens::extrude_vec_impl().
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the vector that corresponds to the view direction.
This will be parallel to the normal on the surface (the far plane) corresponding to the lens shape at this point.
See the comment block on Lens::extrude_vec_impl() for a more in-depth comment on the meaning of this vector.
The z coordinate of the 2-d point is ignored.
Returns true if the vector is defined, or false otherwise.
Definition at line 103 of file lens.I.
References Lens::extrude_vec_impl().
bool CylindricalLens::extrude_vec_impl | ( | const LPoint3f & | point2d, |
LVector3f & | vec | ||
) | const [protected, virtual] |
Given a 2-d point in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner, compute the vector that corresponds to the view direction.
This will be parallel to the normal on the surface (the far plane) corresponding to the lens shape at this point.
See the comment block on Lens::extrude_vec_impl() for a more in-depth comment on the meaning of this vector.
The z coordinate of the 2-d point is ignored.
Returns true if the vector is defined, or false otherwise.
Reimplemented from Lens.
Definition at line 98 of file cylindricalLens.cxx.
References Lens::get_film_mat_inv(), Lens::get_focal_length(), and Lens::get_lens_mat().
void Lens::fillin | ( | DatagramIterator & | scan, |
BamReader * | manager | ||
) | [protected, virtual, inherited] |
This internal function is called by make_from_bam to read in all of the relevant data from the BamFile for the new Lens.
Reimplemented from TypedWritable.
Definition at line 2115 of file lens.cxx.
References DatagramIterator::get_float32(), DatagramIterator::get_string(), DatagramIterator::get_uint16(), DatagramIterator::get_uint8(), and LVecBase2f::read_datagram().
Referenced by PerspectiveLens::make_from_bam(), OrthographicLens::make_from_bam(), and MatrixLens::make_from_bam().
float CylindricalLens::film_to_fov | ( | float | film_size, |
float | focal_length, | ||
bool | horiz | ||
) | const [protected, virtual] |
Given a width (or height) on the film and a focal length, compute the field of view in degrees.
If horiz is true, this is in the horizontal direction; otherwise, it is in the vertical direction (some lenses behave differently in each direction).
Reimplemented from Lens.
Definition at line 216 of file cylindricalLens.cxx.
void TypedWritable::finalize | ( | BamReader * | manager | ) | [virtual, inherited] |
Called by the BamReader to perform any final actions needed for setting up the object after all objects have been read and all pointers have been completed.
Reimplemented in PartBundle, Geom, GeomPrimitive, GeomVertexArrayData, GeomVertexArrayFormat, GeomVertexData, InternalName, GeomNode, LightAttrib, RenderAttrib, RenderEffect, RenderEffects, RenderState, PaletteGroup, and Palettizer.
Definition at line 145 of file typedWritable.cxx.
Referenced by BamReader::finalize_now().
float CylindricalLens::fov_to_film | ( | float | fov, |
float | focal_length, | ||
bool | horiz | ||
) | const [protected, virtual] |
Given a field of view in degrees and a focal length, compute the correspdonding width (or height) on the film.
If horiz is true, this is in the horizontal direction; otherwise, it is in the vertical direction (some lenses behave differently in each direction).
Reimplemented from Lens.
Definition at line 180 of file cylindricalLens.cxx.
float CylindricalLens::fov_to_focal_length | ( | float | fov, |
float | film_size, | ||
bool | horiz | ||
) | const [protected, virtual] |
Given a field of view in degrees and a width (or height) on the film, compute the focal length of the lens.
If horiz is true, this is in the horizontal direction; otherwise, it is in the vertical direction (some lenses behave differently in each direction).
Reimplemented from Lens.
Definition at line 198 of file cylindricalLens.cxx.
float Lens::get_aspect_ratio | ( | ) | const [inherited] |
Returns the aspect ratio of the Lens.
This is determined based on the indicated film size; see set_film_size().
Definition at line 466 of file lens.cxx.
Referenced by Lens::set_film_size(), and Lens::set_frustum_from_corners().
UpdateSeq TypedWritable::get_bam_modified | ( | ) | const [inline, inherited] |
Returns the current bam_modified counter.
This counter is normally incremented automatically whenever the object is modified.
Definition at line 66 of file typedWritable.I.
Referenced by BamWriter::consider_update(), and BamWriter::write_pointer().
const string & Lens::get_change_event | ( | ) | const [inline, inherited] |
float Lens::get_convergence_distance | ( | ) | const [inherited] |
CoordinateSystem Lens::get_coordinate_system | ( | ) | const [inline, inherited] |
Returns the coordinate system that all 3-d computations are performed within for this Lens.
Normally, this is CS_default.
Definition at line 189 of file lens.I.
Referenced by PortalClipper::prepare_portal().
float Lens::get_default_far | ( | ) | [static, inherited] |
Returns the default far plane distance that will be assigned to each newly-created lens.
This is read from the Configrc file.
Definition at line 493 of file lens.cxx.
Referenced by WindowFramework::center_trackball().
float Lens::get_default_near | ( | ) | [static, inherited] |
Returns the default near plane distance that will be assigned to each newly-created lens.
This is read from the Configrc file.
Definition at line 481 of file lens.cxx.
Referenced by WindowFramework::center_trackball().
float Lens::get_far | ( | ) | const [inline, inherited] |
Returns the position of the far plane (or cylinder, sphere, whatever).
Definition at line 345 of file lens.I.
Referenced by PerspectiveLens::compute_projection_mat(), FisheyeLens::extrude_impl(), extrude_impl(), PSphereLens::extrude_impl(), PSphereLens::project_impl(), project_impl(), and FisheyeLens::project_impl().
const LMatrix4f & Lens::get_film_mat | ( | ) | const [inherited] |
Returns the matrix that transforms from a point behind the lens to a point on the film.
Definition at line 1236 of file lens.cxx.
Referenced by PerspectiveLens::compute_projection_mat(), MatrixLens::compute_projection_mat(), OrthographicLens::compute_projection_mat(), Lens::get_film_mat_inv(), PSphereLens::project_impl(), project_impl(), and FisheyeLens::project_impl().
const LMatrix4f & Lens::get_film_mat_inv | ( | ) | const [inherited] |
Returns the matrix that transforms from a point on the film to a point behind the lens.
Definition at line 1250 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::get_film_mat(), and LMatrix4f::invert_from().
Referenced by FisheyeLens::extrude_impl(), extrude_impl(), PSphereLens::extrude_impl(), and extrude_vec_impl().
const LVector2f & Lens::get_film_offset | ( | ) | const [inline, inherited] |
Returns the horizontal and vertical offset amounts of this Lens.
See set_film_offset().
Definition at line 256 of file lens.I.
Referenced by Lens::compute_film_mat().
const LVecBase2f & Lens::get_film_size | ( | ) | const [inherited] |
Returns the horizontal and vertical film size of the virtual film.
See set_film_size().
Definition at line 224 of file lens.cxx.
Referenced by Lens::compute_aspect_ratio(), Lens::compute_film_mat(), Lens::compute_focal_length(), Lens::compute_fov(), and Lens::set_frustum_from_corners().
float Lens::get_focal_length | ( | ) | const [inherited] |
Returns the focal length of the lens.
This may have been set explicitly by a previous call to set_focal_length(), or it may be computed based on the lens' fov and film_size. For certain kinds of lenses, the focal length has no meaning.
Definition at line 279 of file lens.cxx.
Referenced by PerspectiveLens::compute_projection_mat(), FisheyeLens::extrude_impl(), extrude_impl(), PSphereLens::extrude_impl(), extrude_vec_impl(), PSphereLens::project_impl(), project_impl(), and FisheyeLens::project_impl().
const LVecBase2f & Lens::get_fov | ( | ) | const [inherited] |
Returns the horizontal and vertical film size of the virtual film.
See set_fov().
Definition at line 417 of file lens.cxx.
Referenced by WindowFramework::center_trackball(), Lens::compute_focal_length(), Lens::get_hfov(), and Lens::get_vfov().
float Lens::get_hfov | ( | ) | const [inline, inherited] |
Returns the horizontal component of fov only.
See get_fov().
Definition at line 284 of file lens.I.
References Lens::get_fov().
Referenced by TinyGraphicsStateGuardian::bind_light(), DXGraphicsStateGuardian9::bind_light(), and DXGraphicsStateGuardian8::bind_light().
float Lens::get_interocular_distance | ( | ) | const [inherited] |
const LVecBase2f & Lens::get_keystone | ( | ) | const [inline, inherited] |
const UpdateSeq & Lens::get_last_change | ( | ) | const [inline, inherited] |
const LMatrix4f & Lens::get_lens_mat | ( | ) | const [inherited] |
Returns the matrix that transforms from a point in front of the lens to a point in space.
Definition at line 1267 of file lens.cxx.
Referenced by FisheyeLens::extrude_impl(), extrude_impl(), PSphereLens::extrude_impl(), Lens::extrude_vec_impl(), extrude_vec_impl(), and Lens::get_lens_mat_inv().
const LMatrix4f & Lens::get_lens_mat_inv | ( | ) | const [inherited] |
Returns the matrix that transforms from a point in space to a point in front of the lens.
Definition at line 1281 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::get_lens_mat(), and LMatrix4f::invert_from().
Referenced by PerspectiveLens::compute_projection_mat(), MatrixLens::compute_projection_mat(), OrthographicLens::compute_projection_mat(), PSphereLens::project_impl(), project_impl(), FisheyeLens::project_impl(), and Lens::set_frustum_from_corners().
float Lens::get_min_fov | ( | ) | const [inherited] |
Returns the field of view of the narrowest dimension of the window.
See set_min_fov().
float Lens::get_near | ( | ) | const [inline, inherited] |
Returns the position of the near plane (or cylinder, sphere, whatever).
Definition at line 320 of file lens.I.
Referenced by PerspectiveLens::compute_projection_mat(), FisheyeLens::extrude_impl(), extrude_impl(), PSphereLens::extrude_impl(), PSphereLens::project_impl(), project_impl(), and FisheyeLens::project_impl().
LPoint3f Lens::get_nodal_point | ( | ) | const [inherited] |
Returns the center point of the lens: the point from which the lens is viewing.
Definition at line 586 of file lens.cxx.
References LMatrix4f::get_row3(), and Lens::get_view_mat().
Referenced by TinyGraphicsStateGuardian::bind_light(), DXGraphicsStateGuardian9::bind_light(), and DXGraphicsStateGuardian8::bind_light().
const LMatrix4f & Lens::get_projection_mat | ( | StereoChannel | channel = SC_mono | ) | const [inherited] |
Returns the complete transformation matrix from a 3-d point in space to a point on the film, if such a matrix exists, or the identity matrix if the lens is nonlinear.
Definition at line 1165 of file lens.cxx.
Referenced by ScissorEffect::cull_callback(), Lens::get_projection_mat_inv(), and Lens::project_impl().
const LMatrix4f & Lens::get_projection_mat_inv | ( | StereoChannel | channel = SC_mono | ) | const [inherited] |
Returns the matrix that transforms from a 2-d point on the film to a 3-d vector in space, if such a matrix exists.
Definition at line 1191 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::get_projection_mat(), and LMatrix4f::invert_from().
Referenced by Lens::extrude_impl().
int ReferenceCount::get_ref_count | ( | ) | const [inline, inherited] |
Returns the current reference count.
Definition at line 155 of file referenceCount.I.
References ReferenceCount::test_ref_count_integrity().
Referenced by TransformState::clear_cache(), RenderState::clear_cache(), RenderState::finalize(), RenderEffects::finalize(), RenderEffect::finalize(), RenderAttrib::finalize(), InternalName::finalize(), TransformState::get_num_unused_states(), RenderState::get_num_unused_states(), TransformState::list_cycles(), RenderState::list_cycles(), GeomVertexFormat::remove_column(), TransformState::unref(), RenderState::unref(), RenderState::~RenderState(), and TransformState::~TransformState().
int TypedObject::get_type_index | ( | ) | const [inline, inherited] |
Returns the internal index number associated with this object's TypeHandle, a unique number for each different type.
This is equivalent to get_type().get_index().
Definition at line 52 of file typedObject.I.
References TypeHandle::get_index().
const LVector3f & Lens::get_up_vector | ( | ) | const [inherited] |
float Lens::get_vfov | ( | ) | const [inline, inherited] |
Returns the vertical component of fov only.
See get_fov().
Definition at line 295 of file lens.I.
References Lens::get_fov().
const LVecBase3f & Lens::get_view_hpr | ( | ) | const [inherited] |
const LMatrix4f & Lens::get_view_mat | ( | ) | const [inherited] |
Returns the direction in which the lens is facing.
Definition at line 709 of file lens.cxx.
Referenced by Lens::compute_view_hpr(), Lens::compute_view_vector(), and Lens::get_nodal_point().
const LVector3f & Lens::get_view_vector | ( | ) | const [inherited] |
Returns the axis along which the lens is facing.
Definition at line 558 of file lens.cxx.
Referenced by TinyGraphicsStateGuardian::bind_light(), DXGraphicsStateGuardian9::bind_light(), and DXGraphicsStateGuardian8::bind_light().
WeakReferenceList * ReferenceCount::get_weak_list | ( | ) | const [inline, inherited] |
Returns the WeakReferenceList associated with this ReferenceCount object.
If there has never been a WeakReferenceList associated with this object, creates one now.
Definition at line 307 of file referenceCount.I.
Referenced by ReferenceCount::weak_ref().
bool ReferenceCount::has_weak_list | ( | ) | const [inline, inherited] |
Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise.
In general, this will be true if there was ever a WeakPointerTo created for this object (even if there is not any for it now).
Definition at line 294 of file referenceCount.I.
Referenced by ReferenceCount::weak_unref().
bool TypedObject::is_exact_type | ( | TypeHandle | handle | ) | const [inline, inherited] |
Returns true if the current object is the indicated type exactly.
Definition at line 74 of file typedObject.I.
References TypeHandle::get_name().
Referenced by GraphicsStateGuardian::async_reload_texture(), PortalNode::combine_with(), PandaNode::combine_with(), GeomNode::combine_with(), CollisionNode::combine_with(), Character::combine_with(), PGItem::cull_callback(), FactoryParams::get_param_of_type(), CollisionHandlerPusher::handle_entries(), SceneGraphReducer::r_flatten(), ConnectionWriter::send(), FltToEggLevelState::set_transform(), and VirtualFileSystem::unmount().
bool Lens::is_linear | ( | ) | const [virtual, inherited] |
Returns true if the lens represents a linear projection (e.g.
PerspectiveLens, OrthographicLens), and therefore there is a valid matrix returned by get_projection_mat(), or false otherwise.
Reimplemented in MatrixLens, OrthographicLens, and PerspectiveLens.
bool TypedObject::is_of_type | ( | TypeHandle | handle | ) | const [inline, inherited] |
Returns true if the current object is or derives from the indicated type.
Definition at line 63 of file typedObject.I.
References TypeHandle::is_derived_from().
Referenced by EggSliderData::add_back_pointer(), EggJointData::add_back_pointer(), CIntervalManager::add_c_interval(), XFileNode::add_child(), CollisionTraverser::add_collider(), CollisionHandlerPhysical::add_collider(), EggXfmSAnim::add_data(), CharacterJointBundle::add_node(), NonlinearImager::add_screen(), EggGroupNode::apply_first_attribute(), EggGroupNode::apply_last_attribute(), DeferredNodeProperty::apply_to_node(), RecorderController::begin_playback(), NodePath::clear_clip_plane(), EggGroupNode::clear_connected_shading(), NodePath::clear_light(), EggBase::convert_paths(), NodePath::decode_from_bam_stream(), VrpnClient::disconnect_device(), PhysicsManager::do_physics(), GraphicsStateGuardian::fetch_specified_part(), EggRenderState::fill_state(), AnimBundleNode::find_anim_bundle(), EggGroupNode::find_coordsys_entry(), XFile::find_data_object(), Character::find_joint(), EggGroupNode::find_materials(), Character::find_slider(), XFile::find_template(), EggGroupNode::find_textures(), EggMaterialCollection::find_used_materials(), EggTextureCollection::find_used_textures(), EggGroupNode::force_filenames(), EggJointData::force_initial_rest_frame(), WindowFramework::get_aspect_2d(), EggPoolUniquifier::get_category(), EggGroupUniquifier::get_category(), EggGroupNode::get_connected_shading(), PandaFramework::get_mouse(), FactoryParams::get_param_of_type(), EggGroupNode::has_absolute_pathnames(), NodePath::has_clip_plane(), NodePath::has_clip_plane_off(), NodePath::has_light(), PandaFramework::hide_collision_solids(), x11GraphicsWindow::open_window(), eglGraphicsWindow::open_window(), EggNode::parse_egg(), CharacterMaker::part_to_node(), EggGroupNode::post_apply_flat_attribute(), EggBinner::prepare_node(), PortalClipper::prepare_portal(), NodePath::project_texture(), EggMatrixTablePointer::quantize_channels(), ParametricCurveCollection::r_add_curves(), SceneGraphReducer::r_collect_vertex_data(), EggGroupNode::r_load_externals(), EggGroupNode::rebuild_vertex_pools(), EggGroupNode::recompute_polygon_normals(), EggGroupNode::remove_invalid_primitives(), EggGroupNode::remove_unused_vertices(), EggLoader::reparent_decals(), EggMaterialCollection::replace_materials(), EggTextureCollection::replace_textures(), EggGroupNode::resolve_filenames(), EggGroupNode::reverse_vertex_ordering(), NodePath::set_clip_plane(), NodePath::set_clip_plane_off(), NodePath::set_light(), ProjectionScreen::set_projector(), NonlinearImager::set_source_camera(), EggXfmSAnim::set_value(), NonlinearImager::set_viewer_camera(), PandaFramework::show_collision_solids(), BamCache::store(), XFileToEggConverter::strip_nodes(), EggGroupNode::strip_normals(), DataGraphTraverser::traverse(), DataGraphTraverser::traverse_below(), EggGroupNode::triangulate_polygons(), EggGroupNode::unify_attributes(), EggNameUniquifier::uniquify(), NodeCullCallbackData::upcall(), PhysicsCollisionHandler::validate_target(), EggXfmSAnim::write(), EggGroup::write(), EggToDXFLayer::write_3d_face(), and EggToDXFLayer::write_entities().
bool Lens::is_orthographic | ( | ) | const [virtual, inherited] |
Returns true if the lens represents a orthographic projection (i.e.
it is a OrthographicLens), false otherwise.
Reimplemented in OrthographicLens.
bool Lens::is_perspective | ( | ) | const [virtual, inherited] |
Returns true if the lens represents a perspective projection (i.e.
it is a PerspectiveLens), false otherwise.
Reimplemented in PerspectiveLens.
void ReferenceCount::local_object | ( | ) | [inline, inherited] |
This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack.
This allows the object to be passed to functions that will increment and decrement the object's reference count temporarily, and it will prevent the object from being deleted (inappropriately), when the reference count returns to zero. It actually achieves this by setting a large positive value in the reference count field.
Definition at line 276 of file referenceCount.I.
Referenced by PGTop::cull_callback(), BoundingSphere::extend_by_hexahedron(), AsyncTaskManager::find_task(), AsyncTaskManager::find_tasks(), and AsyncTaskManager::find_tasks_matching().
void TypedWritable::mark_bam_modified | ( | ) | [inline, inherited] |
Increments the bam_modified counter, so that this object will be invalidated and retransmitted on any open bam streams.
This should normally not need to be called by user code; it should be called internally when the object has been changed in a way that legitimately requires its retransmission to any connected clients.
Definition at line 54 of file typedWritable.I.
Referenced by PandaNode::add_child(), PandaNode::add_stashed(), PandaNode::adjust_draw_mask(), PandaNode::apply_attribs_to_vertices(), PandaNode::clear_attrib(), PandaNode::clear_effect(), PandaNode::clear_tag(), PandaNode::copy_all_properties(), PandaNode::copy_tags(), PandaNode::disable_cull_callback(), PandaNode::force_bounds_stale(), PandaNode::remove_all_children(), PandaNode::remove_child(), PandaNode::remove_stashed(), PandaNode::reset_all_prev_transform(), PandaNode::reset_prev_transform(), PandaNode::set_attrib(), PandaNode::set_bounds(), PandaNode::set_bounds_type(), PandaNode::set_cull_callback(), PandaNode::set_effect(), PandaNode::set_effects(), PandaNode::set_final(), PandaNode::set_internal_bounds(), PandaNode::set_into_collide_mask(), PandaNode::set_prev_transform(), PandaNode::set_state(), PandaNode::set_tag(), PandaNode::set_transform(), PandaNode::stash_child(), and PandaNode::unstash_child().
Given a 3-d point in space, determine the 2-d point this maps to, in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner.
The z coordinate will also be set to a value in the range (-1, 1), where 1 represents a point on the near plane, and -1 represents a point on the far plane.
Returns true if the 3-d point is in front of the lens and within the viewing frustum (in which case point2d is filled in), or false otherwise (in which case point2d will be filled in with something, which may or may not be meaningful).
Definition at line 148 of file lens.I.
References Lens::project_impl().
Referenced by PortalClipper::prepare_portal().
Given a 3-d point in space, determine the 2-d point this maps to, in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner.
Returns true if the 3-d point is in front of the lens and within the viewing frustum (in which case point2d is filled in), or false otherwise (in which case point2d will be filled in with something, which may or may not be meaningful).
Definition at line 122 of file lens.I.
References Lens::project_impl().
bool CylindricalLens::project_impl | ( | const LPoint3f & | point3d, |
LPoint3f & | point2d | ||
) | const [protected, virtual] |
Given a 3-d point in space, determine the 2-d point this maps to, in the range (-1,1) in both dimensions, where (0,0) is the center of the lens and (-1,-1) is the lower-left corner.
Some lens types also set the z coordinate of the 2-d point to a value in the range (-1, 1), where 1 represents a point on the near plane, and -1 represents a point on the far plane.
Returns true if the 3-d point is in front of the lens and within the viewing frustum (in which case point2d is filled in), or false otherwise.
Reimplemented from Lens.
Definition at line 131 of file cylindricalLens.cxx.
References Lens::get_far(), Lens::get_film_mat(), Lens::get_focal_length(), Lens::get_lens_mat_inv(), Lens::get_near(), and LVecBase2f::length().
void Lens::recompute_all | ( | ) | [inherited] |
void ReferenceCount::ref | ( | ) | const [inline, inherited] |
Explicitly increments the reference count.
User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.
This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.
Definition at line 179 of file referenceCount.I.
References ReferenceCount::test_ref_count_integrity().
Referenced by CachedTypedWritableReferenceCount::cache_ref(), TypedWritable::decode_raw_from_bam_stream(), NodeCachedReferenceCount::node_ref(), NodeReferenceCount::node_ref(), BamCacheRecord::set_data(), CullableObject::set_draw_callback(), and ModelRoot::set_reference().
bool TypedWritable::require_fully_complete | ( | ) | const [virtual, inherited] |
Some objects require all of their nested pointers to have been completed before the objects themselves can be completed.
If this is the case, override this method to return true, and be careful with circular references (which would make the object unreadable from a bam file).
Reimplemented in GeomVertexData, ClipPlaneAttrib, and RenderEffects.
Definition at line 118 of file typedWritable.cxx.
void Lens::set_aspect_ratio | ( | float | aspect_ratio | ) | [inherited] |
Sets the aspect ratio of the lens.
This is the ratio of the height to the width of the generated image. Setting this overrides the two-parameter fov or film size setting.
Definition at line 448 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), and Lens::throw_change_event().
Referenced by WindowFramework::adjust_aspect_ratio(), WindowFramework::make_camera(), and Lens::set_frustum_from_corners().
void Lens::set_change_event | ( | const string & | event | ) | [inline, inherited] |
Sets the name of the event that will be generated whenever any properties of the Lens have changed.
If this is not set for a particular lens, no event will be generated.
The event is thrown with one parameter, the lens itself. This can be used to automatically track changes to camera fov, etc. in the application.
void Lens::set_convergence_distance | ( | float | convergence_distance | ) | [inherited] |
Sets the distance between between the camera plane and the point in the distance that the left and right eyes are both looking at.
This distance is used to apply a stereo effect when the lens is rendered on a stereo display region. It only has an effect on a PerspectiveLens.
This parameter must be greater than 0, but may be as large as you like. It controls the amount to which the two eyes are directed inwards towards each other, which is a normal property of stereo vision. It is a distance, not an angle; normally this should be set to the distance from the camera to the area of interest in your scene. If you want to simulate parallel stereo, set this value to a very large number.
Also see set_interocular_distance(), which relates.
Definition at line 652 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), and Lens::throw_change_event().
Referenced by Lens::clear().
void Lens::set_coordinate_system | ( | CoordinateSystem | cs | ) | [inherited] |
Specifies the coordinate system that all 3-d computations are performed within for this Lens.
Normally, this is CS_default.
Definition at line 90 of file lens.cxx.
References Lens::adjust_comp_flags().
void Lens::set_far | ( | float | far_distance | ) | [inline, inherited] |
Defines the position of the far plane (or cylinder, sphere, whatever).
Points farther from the lens than this may not be rendered.
Definition at line 332 of file lens.I.
References Lens::adjust_comp_flags(), and Lens::throw_change_event().
Referenced by WindowFramework::center_trackball().
void Lens::set_film_offset | ( | const LVecBase2f & | film_offset | ) | [inline, inherited] |
Sets the horizontal and vertical offset amounts of this Lens.
These are both in the same units specified in set_film_size().
This can be used to establish an off-axis lens.
Definition at line 243 of file lens.I.
References Lens::adjust_comp_flags(), and Lens::throw_change_event().
void Lens::set_film_offset | ( | float | x, |
float | y | ||
) | [inline, inherited] |
Sets the horizontal and vertical offset amounts of this Lens.
These are both in the same units specified in set_film_size().
This can be used to establish an off-axis lens.
Definition at line 229 of file lens.I.
Referenced by Lens::set_frustum_from_corners().
void Lens::set_film_size | ( | float | width, |
float | height | ||
) | [inline, inherited] |
Sets the size and shape of the "film" within the lens.
This both establishes the units used by calls like set_focal_length(), and establishes the aspect ratio of the frame.
In a physical camera, the field of view of a lens is determined by the lens' focal length and by the size of the film area exposed by the lens. For instance, a 35mm camera exposes a rectangle on the film about 24mm x 36mm, which means a 50mm lens gives about a 40-degree horizontal field of view.
In the virtual camera, you may set the film size to any units here, and specify a focal length in the same units to simulate the same effect. Or, you may ignore this parameter, and specify the field of view and aspect ratio of the lens directly.
Definition at line 215 of file lens.I.
References Lens::set_film_size().
void Lens::set_film_size | ( | const LVecBase2f & | film_size | ) | [inherited] |
Sets the size and shape of the "film" within the lens.
This both establishes the units used by calls like set_focal_length(), and establishes the aspect ratio of the frame.
In a physical camera, the field of view of a lens is determined by the lens' focal length and by the size of the film area exposed by the lens. For instance, a 35mm camera exposes a rectangle on the film about 24mm x 36mm, which means a 50mm lens gives about a 40-degree horizontal field of view.
In the virtual camera, you may set the film size to any units here, and specify a focal length in the same units to simulate the same effect. Or, you may ignore this parameter, and specify the field of view and aspect ratio of the lens directly.
Definition at line 188 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), Lens::compute_aspect_ratio(), LVecBase2f::is_nan(), and Lens::throw_change_event().
void Lens::set_film_size | ( | float | width | ) | [inherited] |
Sets the horizontal size of the film without changing its shape.
The aspect ratio remains unchanged; this computes the vertical size of the film to automatically maintain the aspect ratio.
Definition at line 143 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), Lens::get_aspect_ratio(), and Lens::throw_change_event().
Referenced by WindowFramework::adjust_aspect_ratio(), WindowFramework::get_render_2d(), Lens::set_film_size(), FrameRateMeter::setup_window(), and SceneGraphAnalyzerMeter::setup_window().
void Lens::set_focal_length | ( | float | focal_length | ) | [inherited] |
Sets the focal length of the lens.
This may adjust the field-of-view correspondingly, and is an alternate way to specify field of view.
For certain kinds of lenses (e.g. OrthographicLens), the focal length has no meaning.
Definition at line 245 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), and Lens::throw_change_event().
void Lens::set_fov | ( | const LVecBase2f & | fov | ) | [inherited] |
Sets the field of view of the lens in both dimensions.
This establishes both the field of view and the aspect ratio of the lens. This is one way to specify the field of view of a lens; set_focal_length() is another way.
For certain kinds of lenses (like OrthographicLens), the field of view has no meaning.
Definition at line 381 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), Lens::compute_aspect_ratio(), LVecBase2f::is_nan(), and Lens::throw_change_event().
void Lens::set_fov | ( | float | hfov | ) | [inherited] |
Sets the horizontal field of view of the lens without changing the aspect ratio.
The vertical field of view is adjusted to maintain the same aspect ratio.
Definition at line 339 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), Lens::compute_aspect_ratio(), and Lens::throw_change_event().
Referenced by GraphicsOutput::make_cube_map(), Lens::set_fov(), and Lens::set_frustum_from_corners().
void Lens::set_fov | ( | float | hfov, |
float | vfov | ||
) | [inline, inherited] |
Sets the field of view of the lens in both dimensions.
This establishes both the field of view and the aspect ratio of the lens. This is one way to specify the field of view of a lens; set_focal_length() is another way.
For certain kinds of lenses (like OrthoLens), the field of view has no meaning.
Definition at line 273 of file lens.I.
References Lens::set_fov().
void Lens::set_frustum_from_corners | ( | const LVecBase3f & | ul, |
const LVecBase3f & | ur, | ||
const LVecBase3f & | ll, | ||
const LVecBase3f & | lr, | ||
int | flags | ||
) | [inherited] |
Sets up the lens to use the frustum defined by the four indicated points.
This is most useful for a PerspectiveLens, but it may be called for other kinds of lenses as well.
The frustum will be rooted at the origin (or by whatever translation might have been specified in a previous call to set_view_mat).
It is legal for the four points not to be arranged in a rectangle; if this is the case, the frustum will be fitted as tightly as possible to cover all four points.
The flags parameter contains the union of one or more of the following bits to control the behavior of this function:
FC_roll - If this is included, the camera may be rotated so that its up vector is perpendicular to the top line. Otherwise, the standard up vector is used.
FC_camera_plane - This allows the camera plane to be adjusted to be as nearly perpendicular to the center of the frustum as possible. Without this bit, the orientation camera plane is defined by position of the four points (which should all be coplanar). With this bit, the camera plane is arbitarary, and may be chosen so that the four points do not themselves lie in the camera plane (but the points will still be within the frustum).
FC_off_axis - This allows the resulting frustum to be off-axis to get the tightest possible fit. Without this bit, the viewing axis will be centered within the frustum, but there may be more wasted space along the edges.
FC_aspect_ratio - This allows the frustum to be scaled non-proportionately in the vertical and horizontal dimensions, if necessary, to get a tighter fit. Without this bit, the current aspect ratio will be preserved.
FC_shear - This allows the frustum to be sheared, if necessary, to get the tightest possible fit. This may result in a parallelogram-based frustum, which will give a slanted appearance to the rendered image. Without this bit, the frustum will be rectangle-based.
In general, if 0 is passed in as the value for flags, the generated frustum will be a loose fit but sane; if -1 is passed in, it will be a tighter fit and possibly screwy.
Definition at line 835 of file lens.cxx.
References Lens::get_aspect_ratio(), Lens::get_film_size(), Lens::get_lens_mat_inv(), LMatrix4f::ident_mat(), LMatrix4f::invert_affine_from(), LMatrix4f::invert_from(), LVecBase3f::is_nan(), LVecBase3f::length_squared(), Lens::set_aspect_ratio(), Lens::set_film_offset(), Lens::set_fov(), LMatrix4f::set_row(), Lens::set_view_mat(), LVector3f::up(), and LMatrix4f::xform_point().
void Lens::set_interocular_distance | ( | float | interocular_distance | ) | [inherited] |
Sets the distance between the left and right eyes of a stereo camera.
This distance is used to apply a stereo effect when the lens is rendered on a stereo display region. It only has an effect on a PerspectiveLens.
The left eye and the right eye are each offset along the X axis by half of this distance, so that this parameter specifies the total distance between them.
Also see set_convergence_distance(), which relates.
Definition at line 606 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), and Lens::throw_change_event().
Referenced by Lens::clear().
void Lens::set_keystone | ( | const LVecBase2f & | keystone | ) | [inherited] |
Indicates the ratio of keystone correction to perform on the lens, in each of three axes.
This will build a special non-affine scale factor into the projection matrix that will compensate for keystoning of a projected image; this can be used to compensate for a projector that for physical reasons cannot be aimed directly at its screen.
The default value is taken from the default-keystone Config variable. 0, 0 indicates no keystone correction; specify a small value (usually in the range -1 .. 1) in either the x or y position to generate a keystone correction in that axis.
Definition at line 750 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), LVecBase2f::is_nan(), and Lens::throw_change_event().
void Lens::set_min_fov | ( | float | min_fov | ) | [inherited] |
Sets the field of view of the smallest dimension of the window.
If the window is wider than it is tall, this specifies the vertical field of view; if it is taller than it is wide, this specifies the horizontal field of view.
In many cases, this is preferable to setting either the horizontal or vertical field of view explicitly. Setting this parameter means that pulling the window wider will widen the field of view, which is usually what you expect to happen.
Definition at line 302 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), Lens::compute_aspect_ratio(), and Lens::throw_change_event().
void Lens::set_near | ( | float | near_distance | ) | [inline, inherited] |
Defines the position of the near plane (or cylinder, sphere, whatever).
Points closer to the lens than this may not be rendered.
Definition at line 307 of file lens.I.
References Lens::adjust_comp_flags(), and Lens::throw_change_event().
Referenced by WindowFramework::center_trackball().
void Lens::set_near_far | ( | float | near_distance, |
float | far_distance | ||
) | [inline, inherited] |
Simultaneously changes the near and far planes.
Definition at line 355 of file lens.I.
References Lens::adjust_comp_flags(), and Lens::throw_change_event().
void Lens::set_view_hpr | ( | const LVecBase3f & | view_hpr | ) | [inherited] |
Sets the direction in which the lens is facing.
Normally, this is down the forward axis (usually the Y axis), but it may be rotated. This is only one way of specifying the rotation; you may also specify an explicit vector in which to look, or you may give a complete transformation matrix.
Definition at line 508 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), LVecBase3f::is_nan(), and Lens::throw_change_event().
void Lens::set_view_hpr | ( | float | h, |
float | p, | ||
float | r | ||
) | [inline, inherited] |
Sets the direction in which the lens is facing.
Normally, this is down the forward axis (usually the Y axis), but it may be rotated. This is only one way of specifying the rotation; you may also specify an explicit vector in which to look, or you may give a complete transformation matrix.
void Lens::set_view_mat | ( | const LMatrix4f & | view_mat | ) | [inherited] |
Sets an arbitrary transformation on the lens.
This replaces the individual transformation components like set_view_hpr().
Setting a transformation here will have a slightly different effect than putting one on the LensNode that contains this lens. In particular, lighting and other effects computations will still be performed on the lens in its untransformed (facing forward) position, but the actual projection matrix will be transformed by this matrix.
Definition at line 691 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), LMatrix4f::is_nan(), and Lens::throw_change_event().
Referenced by Lens::set_frustum_from_corners().
void Lens::set_view_vector | ( | float | x, |
float | y, | ||
float | z, | ||
float | i, | ||
float | j, | ||
float | k | ||
) | [inline, inherited] |
Specifies the direction in which the lens is facing by giving an axis to look along, and a perpendicular (or at least non-parallel) up axis.
See also set_view_hpr().
Definition at line 386 of file lens.I.
Referenced by PointLight::PointLight().
void Lens::set_view_vector | ( | const LVector3f & | view_vector, |
const LVector3f & | up_vector | ||
) | [inherited] |
Specifies the direction in which the lens is facing by giving an axis to look along, and a perpendicular (or at least non-parallel) up axis.
See also set_view_hpr().
Definition at line 541 of file lens.cxx.
References Lens::adjust_comp_flags(), Lens::adjust_user_flags(), LVecBase3f::is_nan(), and Lens::throw_change_event().
bool ReferenceCount::test_ref_count_integrity | ( | ) | const [inline, inherited] |
Does some easy checks to make sure that the reference count isn't completely bogus.
Returns true if ok, false otherwise.
Reimplemented in NodeReferenceCount, CachedTypedWritableReferenceCount, and NodeCachedReferenceCount.
Definition at line 236 of file referenceCount.I.
References ReferenceCount::do_test_ref_count_integrity().
Referenced by EggGroupNode::add_child(), InternalName::find_ancestor(), InternalName::get_ancestor(), ReferenceCount::get_ref_count(), InternalName::get_top(), ReferenceCount::ref(), EggVertex::test_gref_integrity(), EggVertex::test_pref_integrity(), EggNode::test_under_integrity(), EggPrimitive::test_vref_integrity(), EggGroup::test_vref_integrity(), MouseWatcher::throw_event_pattern(), ReferenceCount::unref(), and EggNode::update_under().
bool ReferenceCount::test_ref_count_nonzero | ( | ) | const [inline, inherited] |
Does some easy checks to make sure that the reference count isn't zero, or completely bogus.
Returns true if ok, false otherwise.
Definition at line 252 of file referenceCount.I.
References ReferenceCount::do_test_ref_count_nonzero().
Referenced by CopyOnWritePointer::test_ref_count_nonzero().
void Lens::throw_change_event | ( | ) | [protected, inherited] |
Throws the event associated with changing properties on this Lens, if any.
Definition at line 1318 of file lens.cxx.
Referenced by Lens::clear_keystone(), Lens::clear_view_mat(), Lens::set_aspect_ratio(), Lens::set_convergence_distance(), Lens::set_far(), Lens::set_film_offset(), Lens::set_film_size(), Lens::set_focal_length(), Lens::set_fov(), Lens::set_interocular_distance(), Lens::set_keystone(), Lens::set_min_fov(), Lens::set_near(), Lens::set_near_far(), Lens::set_view_hpr(), Lens::set_view_mat(), and Lens::set_view_vector().
bool ReferenceCount::unref | ( | ) | const [inline, virtual, inherited] |
Explicitly decrements the reference count.
Note that the object will not be implicitly deleted by unref() simply because the reference count drops to zero. (Having a member function delete itself is problematic.) However, see the helper function unref_delete().
User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.
This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.
The return value is true if the new reference count is nonzero, false if it is zero.
Reimplemented in GeomVertexArrayFormat, GeomVertexFormat, InternalName, RenderAttrib, RenderEffects, RenderState, and TransformState.
Definition at line 214 of file referenceCount.I.
References ReferenceCount::test_ref_count_integrity().
Referenced by CachedTypedWritableReferenceCount::cache_unref(), TypedWritable::decode_raw_from_bam_stream(), RenderEffect::finalize(), NodeCachedReferenceCount::node_unref(), NodeReferenceCount::node_unref(), TransformState::unref(), RenderState::unref(), RenderEffects::unref(), RenderAttrib::unref(), InternalName::unref(), GeomVertexFormat::unref(), and GeomVertexArrayFormat::unref().
void TypedWritable::update_bam_nested | ( | BamWriter * | manager | ) | [virtual, inherited] |
Called by the BamWriter when this object has not itself been modified recently, but it should check its nested objects for updates.
Reimplemented in CFDoCullCommand, and PandaNode.
Definition at line 77 of file typedWritable.cxx.
void ReferenceCount::weak_ref | ( | WeakPointerToVoid * | ptv | ) | [inline, inherited] |
Adds the indicated PointerToVoid as a weak reference to this object.
Definition at line 321 of file referenceCount.I.
References WeakReferenceList::add_reference(), and ReferenceCount::get_weak_list().
void ReferenceCount::weak_unref | ( | WeakPointerToVoid * | ptv | ) | [inline, inherited] |
Removes the indicated PointerToVoid as a weak reference to this object.
It must have previously been added via a call to weak_ref().
Definition at line 334 of file referenceCount.I.
References WeakReferenceList::clear_reference(), and ReferenceCount::has_weak_list().
Writes the contents of this object to the datagram for shipping out to a Bam file.
Reimplemented from TypedWritable.
Definition at line 2092 of file lens.cxx.
References Datagram::add_float32(), Datagram::add_string(), Datagram::add_uint16(), Datagram::add_uint8(), and LVecBase2f::write_datagram().