Blender V4.5
Public Types | Public Member Functions | Public Attributes | List of all members
BoundBox Class Reference

#include <DNA_object_types.h>

Public Types

enum  empty_t { empty = 0 }
 

Public Member Functions

__forceinline BoundBox ()=default
 
__forceinline BoundBox (const float3 &pt)
 
__forceinline BoundBox (const float3 &min_, const float3 &max_)
 
__forceinline BoundBox (empty_t)
 
__forceinline void grow (const float3 &pt)
 
__forceinline void grow (const float3 &pt, const float border)
 
__forceinline void grow (const BoundBox &bbox)
 
__forceinline void grow_safe (const float3 &pt)
 
__forceinline void grow_safe (const float3 &pt, const float border)
 
__forceinline void grow_safe (const BoundBox &bbox)
 
__forceinline void intersect (const BoundBox &bbox)
 
__forceinline float safe_area () const
 
__forceinline float area () const
 
__forceinline float half_area () const
 
__forceinline float3 center () const
 
__forceinline float3 center2 () const
 
__forceinline float3 size () const
 
__forceinline bool valid () const
 
BoundBox transformed (const Transform *tfm) const
 
__forceinline bool intersects (const BoundBox &other)
 

Public Attributes

float vec [8][3]
 
float3 min
 
float3 max
 

Detailed Description

The following illustrates the orientation of the bounding box in local space


Z  Y
| /
|/
.-----X
    2----------6
   /|         /|
  / |        / |
 1----------5  |
 |  |       |  |
 |  3-------|--7
 | /        | /
 |/         |/
 0----------4

Definition at line 102 of file DNA_object_types.h.

Member Enumeration Documentation

◆ empty_t

enum BoundBox::empty_t
Enumerator
empty 

Definition at line 28 of file boundbox.h.

Constructor & Destructor Documentation

◆ BoundBox() [1/4]

__forceinline BoundBox::BoundBox ( )
default

◆ BoundBox() [2/4]

__forceinline BoundBox::BoundBox ( const float3 & pt)
inline

Definition at line 24 of file boundbox.h.

◆ BoundBox() [3/4]

__forceinline BoundBox::BoundBox ( const float3 & min_,
const float3 & max_ )
inline

Definition at line 26 of file boundbox.h.

◆ BoundBox() [4/4]

__forceinline BoundBox::BoundBox ( empty_t )
inline

Definition at line 30 of file boundbox.h.

Member Function Documentation

◆ area()

__forceinline float BoundBox::area ( ) const
inline

Definition at line 101 of file boundbox.h.

References half_area().

Referenced by LightTreeMeasure::calculate(), and safe_area().

◆ center()

__forceinline float3 BoundBox::center ( ) const
inline

Definition at line 112 of file boundbox.h.

References max, and min.

Referenced by intersects().

◆ center2()

__forceinline float3 BoundBox::center2 ( ) const
inline

Definition at line 117 of file boundbox.h.

References max, and min.

Referenced by BVHBuild::add_reference_object(), BVHUnaligned::compute_aligned_boundbox(), BVHUnaligned::compute_aligned_boundbox(), BVHObjectBinning::get_bin(), and BVHObjectBinning::split().

◆ grow() [1/3]

__forceinline void BoundBox::grow ( const BoundBox & bbox)
inline

Definition at line 50 of file boundbox.h.

References max, and min.

◆ grow() [2/3]

__forceinline void BoundBox::grow ( const float3 & pt)
inline

Definition at line 35 of file boundbox.h.

References max, and min.

Referenced by LightTreeMeasure::add(), BVHBuild::add_reference_curves(), BVHBuild::add_reference_object(), BVHBuild::add_reference_points(), BVHBuild::add_reference_triangles(), BicubicPatch::bound(), LinearQuadPatch::bound(), Hair::Curve::bounds_grow(), Hair::Curve::bounds_grow(), Hair::Curve::bounds_grow(), Hair::Curve::bounds_grow(), Mesh::Triangle::bounds_grow(), PointCloud::Point::bounds_grow(), PointCloud::Point::bounds_grow(), PointCloud::Point::bounds_grow(), BVHObjectBinning::BVHObjectBinning(), BVHObjectSplit::BVHObjectSplit(), BVHSpatialSplit::BVHSpatialSplit(), BVHUnaligned::compute_aligned_boundbox(), BVHUnaligned::compute_aligned_boundbox(), Hair::compute_bounds(), Mesh::compute_bounds(), Object::compute_bounds(), PointCloud::compute_bounds(), LightTreeEmitter::LightTreeEmitter(), BVH2::refit_node(), BVH2::refit_primitives(), BVHObjectBinning::split(), BVHObjectSplit::split(), BVHSpatialSplit::split(), BVHSpatialSplit::split_curve_primitive(), BVHSpatialSplit::split_point_primitive(), and BVHSpatialSplit::split_triangle_primitive().

◆ grow() [3/3]

__forceinline void BoundBox::grow ( const float3 & pt,
const float border )
inline

Definition at line 43 of file boundbox.h.

References make_float3(), max, and min.

◆ grow_safe() [1/3]

__forceinline void BoundBox::grow_safe ( const BoundBox & bbox)
inline

Definition at line 75 of file boundbox.h.

References isfinite_safe(), max, and min.

◆ grow_safe() [2/3]

__forceinline void BoundBox::grow_safe ( const float3 & pt)
inline

Definition at line 56 of file boundbox.h.

References max, min, float3::x, float3::y, and float3::z.

Referenced by Hair::compute_bounds(), Mesh::compute_bounds(), and PointCloud::compute_bounds().

◆ grow_safe() [3/3]

__forceinline void BoundBox::grow_safe ( const float3 & pt,
const float border )
inline

Definition at line 66 of file boundbox.h.

References make_float3(), max, min, float3::x, float3::y, and float3::z.

◆ half_area()

__forceinline float BoundBox::half_area ( ) const
inline

Definition at line 106 of file boundbox.h.

References max, min, float3::x, float3::y, and float3::z.

Referenced by area(), BVHBuild::build_node(), BVHBuild::build_node(), BVHObjectBinning::BVHObjectBinning(), and BVHBuild::rotate().

◆ intersect()

__forceinline void BoundBox::intersect ( const BoundBox & bbox)
inline

Definition at line 85 of file boundbox.h.

References max, and min.

Referenced by BVHMixedSplit::BVHMixedSplit(), and BVHSpatialSplit::split_reference().

◆ intersects()

__forceinline bool BoundBox::intersects ( const BoundBox & other)
inline

Definition at line 157 of file boundbox.h.

References center(), fabsf, size(), float3::x, float3::y, and float3::z.

◆ safe_area()

__forceinline float BoundBox::safe_area ( ) const
inline

Definition at line 92 of file boundbox.h.

References area(), max, min, float3::x, float3::y, and float3::z.

Referenced by BVHMixedSplit::BVHMixedSplit(), BVHObjectSplit::BVHObjectSplit(), BVHSpatialSplit::BVHSpatialSplit(), BVHNode::computeSubtreeSAHCost(), BVHBuild::run(), and BVHSpatialSplit::split().

◆ size()

__forceinline float3 BoundBox::size ( ) const
inline

Definition at line 122 of file boundbox.h.

References max, and min.

Referenced by BVHObjectBinning::BVHObjectBinning(), BVHSpatialSplit::BVHSpatialSplit(), LightTreeMeasure::calculate(), Hair::compute_bounds(), Mesh::compute_bounds(), PointCloud::compute_bounds(), Object::compute_volume_step_size(), intersects(), Object::is_traceable(), and BVHObjectSplit::split().

◆ transformed()

BoundBox BoundBox::transformed ( const Transform * tfm) const
inline

Definition at line 134 of file boundbox.h.

References empty, max, min, result, transform_point(), valid(), float3::x, float3::y, and float3::z.

Referenced by BVHUnaligned::compute_aligned_prim_boundbox(), Object::compute_bounds(), TEST(), and LightTreeMeasure::transform().

◆ valid()

__forceinline bool BoundBox::valid ( ) const
inline

Definition at line 127 of file boundbox.h.

References max, min, float3::x, float3::y, and float3::z.

Referenced by Object::apply_transform(), Hair::compute_bounds(), Mesh::compute_bounds(), PointCloud::compute_bounds(), Object::compute_volume_step_size(), Object::is_traceable(), and transformed().

Member Data Documentation

◆ max

float3 BoundBox::max

Definition at line 20 of file boundbox.h.

Referenced by BVHRange::BVHRange(), BVHRange::BVHRange(), BVHRange::BVHRange(), BVHReference::BVHReference(), BVHSpatialSplit::BVHSpatialSplit(), center(), center2(), BVHReferenceCompare::compare(), grow(), grow(), grow(), grow_safe(), grow_safe(), grow_safe(), half_area(), intersect(), intersect(), merge(), merge(), BVH2::pack_aligned_node(), BVHReference::prim_object(), print_emitters(), safe_area(), size(), BVHRange::size(), BVHSpatialSplit::split(), BVHSpatialSplit::split_reference(), TEST(), transformed(), and valid().

◆ min

float3 BoundBox::min

Definition at line 20 of file boundbox.h.

Referenced by BKE_pchan_minmax(), BVHRange::BVHRange(), BVHRange::BVHRange(), BVHRange::BVHRange(), BVHReference::BVHReference(), BVHSpatialSplit::BVHSpatialSplit(), center(), center2(), BVHReferenceCompare::compare(), BVHObjectBinning::get_bin(), BVHObjectBinning::get_bin(), grow(), grow(), grow(), grow_safe(), grow_safe(), grow_safe(), half_area(), intersect(), intersect(), merge(), merge(), BVH2::pack_aligned_node(), BVHReference::prim_index(), print_emitters(), safe_area(), BVHRange::set_start(), size(), blender::ed::transform::snap_source_closest_fn(), BVHSpatialSplit::split(), BVHSpatialSplit::split_reference(), BVHRange::start(), TEST(), transformed(), blender::io::alembic::ABCAbstractWriter::update_bounding_box(), and valid().

◆ vec

float BoundBox::vec[8][3]

Definition at line 103 of file DNA_object_types.h.

Referenced by BKE_boundbox_init_from_minmax(), BKE_boundbox_minmax(), calc_local_clipping(), blender::draw::drw_debug_bbox(), blender::draw::drw_debug_matrix_as_bbox(), ED_view3d_clipping_calc(), ED_view3d_clipping_calc_from_boundbox(), find_first_points(), init_meta(), lineart_geometry_check_visible(), make_box_from_metaelem(), make_box_union(), partition_mainb(), blender::ed::transform::snap_source_closest_fn(), blender::io::alembic::ABCAbstractWriter::update_bounding_box(), view3d_boundbox_clip_m4(), view3d_boxview_clip(), blender::eevee::VolumeObjectBounds::VolumeObjectBounds(), and blender::ed::object::voxel_size_edit_invoke().

The documentation for this class was generated from the following files:
Generated on Fri Apr 3 2026 06:33:18 for Blender by  doxygen 1.11.0