Axis aligned bounding box in 3d dimensional space. More...
#include <aabbox3d.h>
Axis aligned bounding box in 3d dimensional space.
Has some useful methods used with occlusion culling or clipping.
Definition at line 21 of file aabbox3d.h.
irr::core::aabbox3d< T >::aabbox3d | ( | ) | [inline] |
Default Constructor.
Definition at line 26 of file aabbox3d.h.
irr::core::aabbox3d< T >::aabbox3d | ( | const vector3d< T > & | min, |
const vector3d< T > & | max | ||
) | [inline] |
Constructor with min edge and max edge.
Definition at line 28 of file aabbox3d.h.
irr::core::aabbox3d< T >::aabbox3d | ( | const vector3d< T > & | init | ) | [inline] |
Constructor with only one point.
Definition at line 30 of file aabbox3d.h.
irr::core::aabbox3d< T >::aabbox3d | ( | T | minx, |
T | miny, | ||
T | minz, | ||
T | maxx, | ||
T | maxy, | ||
T | maxz | ||
) | [inline] |
Constructor with min edge and max edge as single values, not vectors.
Definition at line 32 of file aabbox3d.h.
void irr::core::aabbox3d< T >::addInternalBox | ( | const aabbox3d< T > & | b | ) | [inline] |
Adds another bounding box.
The box grows bigger, if the new box was outside of the box.
b,: | Other bounding box to add into this box. |
Definition at line 82 of file aabbox3d.h.
Referenced by irr::scene::IMeshManipulator::apply(), irr::scene::SMesh::recalculateBoundingBox(), and irr::scene::SAnimatedMesh::recalculateBoundingBox().
void irr::core::aabbox3d< T >::addInternalPoint | ( | const vector3d< T > & | p | ) | [inline] |
Adds a point to the bounding box.
The box grows bigger, if point was outside of the box.
p,: | Point to add into the box. |
Definition at line 74 of file aabbox3d.h.
Referenced by irr::core::aabbox3d< f32 >::addInternalBox(), irr::core::aabbox3d< f32 >::addInternalPoint(), irr::scene::CMeshBuffer< T >::append(), irr::scene::IMeshManipulator::apply_(), irr::scene::SViewFrustum::recalculateBoundingBox(), irr::scene::CDynamicMeshBuffer::recalculateBoundingBox(), irr::scene::SSharedMeshBuffer::recalculateBoundingBox(), irr::scene::CMeshBuffer< T >::recalculateBoundingBox(), and irr::scene::SSkinMeshBuffer::recalculateBoundingBox().
void irr::core::aabbox3d< T >::addInternalPoint | ( | T | x, |
T | y, | ||
T | z | ||
) | [inline] |
Adds a point to the bounding box.
The box grows bigger, if point is outside of the box.
x | X coordinate of the point to add to this box. |
y | Y coordinate of the point to add to this box. |
z | Z coordinate of the point to add to this box. |
Definition at line 93 of file aabbox3d.h.
EIntersectionRelation3D irr::core::aabbox3d< T >::classifyPlaneRelation | ( | const plane3d< T > & | plane | ) | const [inline] |
Classifies a relation with a plane.
plane | Plane to classify relation to. |
Definition at line 284 of file aabbox3d.h.
T irr::core::aabbox3d< T >::getArea | ( | ) | const [inline] |
Get the surface area of the box in squared units.
Definition at line 134 of file aabbox3d.h.
vector3d<T> irr::core::aabbox3d< T >::getCenter | ( | ) | const [inline] |
Get center of the bounding box.
Definition at line 106 of file aabbox3d.h.
Referenced by irr::core::aabbox3d< f32 >::getEdges(), and irr::core::aabbox3d< f32 >::intersectsWithLine().
void irr::core::aabbox3d< T >::getEdges | ( | vector3d< T > * | edges | ) | const [inline] |
Stores all 8 edges of the box into an array.
edges,: | Pointer to array of 8 edges. |
Definition at line 142 of file aabbox3d.h.
vector3d<T> irr::core::aabbox3d< T >::getExtent | ( | ) | const [inline] |
Get extent of the box (maximal distance of two points in the box)
Definition at line 113 of file aabbox3d.h.
Referenced by irr::core::aabbox3d< f32 >::getArea(), irr::core::aabbox3d< f32 >::getVolume(), and irr::core::aabbox3d< f32 >::intersectsWithLine().
aabbox3d<T> irr::core::aabbox3d< T >::getInterpolated | ( | const aabbox3d< T > & | other, |
f32 | d | ||
) | const [inline] |
Calculates a new interpolated bounding box.
d=0 returns other, d=1 returns this, all other values blend between the two boxes.
other | Other box to interpolate between |
d | Value between 0.0f and 1.0f. |
Definition at line 190 of file aabbox3d.h.
T irr::core::aabbox3d< T >::getVolume | ( | ) | const [inline] |
Get the volume enclosed by the box in cubed units.
Definition at line 127 of file aabbox3d.h.
bool irr::core::aabbox3d< T >::intersectsWithBox | ( | const aabbox3d< T > & | other | ) | const [inline] |
Determines if the axis-aligned box intersects with another axis-aligned box.
other,: | Other box to check a intersection with. |
Definition at line 233 of file aabbox3d.h.
bool irr::core::aabbox3d< T >::intersectsWithLine | ( | const line3d< T > & | line | ) | const [inline] |
Tests if the box intersects with a line.
line,: | Line to test intersection with. |
Definition at line 242 of file aabbox3d.h.
Referenced by irr::core::aabbox3d< f32 >::intersectsWithLine().
bool irr::core::aabbox3d< T >::intersectsWithLine | ( | const vector3d< T > & | linemiddle, |
const vector3d< T > & | linevect, | ||
T | halflength | ||
) | const [inline] |
Tests if the box intersects with a line.
linemiddle | Center of the line. |
linevect | Vector of the line. |
halflength | Half length of the line. |
Definition at line 253 of file aabbox3d.h.
bool irr::core::aabbox3d< T >::isEmpty | ( | ) | const [inline] |
Check if the box is empty.
This means that there is no space between the min and max edge.
Definition at line 121 of file aabbox3d.h.
bool irr::core::aabbox3d< T >::isFullInside | ( | const aabbox3d< T > & | other | ) | const [inline] |
Check if this box is completely inside the 'other' box.
other,: | Other box to check against. |
Definition at line 223 of file aabbox3d.h.
bool irr::core::aabbox3d< T >::isPointInside | ( | const vector3d< T > & | p | ) | const [inline] |
Determines if a point is within this box.
Border is included (IS part of the box)!
p,: | Point to check. |
Definition at line 201 of file aabbox3d.h.
Referenced by irr::core::triangle3d< T >::isTotalInsideBox().
bool irr::core::aabbox3d< T >::isPointTotalInside | ( | const vector3d< T > & | p | ) | const [inline] |
Determines if a point is within this box and not its borders.
Border is excluded (NOT part of the box)!
p,: | Point to check. |
Definition at line 212 of file aabbox3d.h.
bool irr::core::aabbox3d< T >::operator!= | ( | const aabbox3d< T > & | other | ) | const [inline] |
Inequality operator.
other | box to compare with. |
Definition at line 42 of file aabbox3d.h.
bool irr::core::aabbox3d< T >::operator== | ( | const aabbox3d< T > & | other | ) | const [inline] |
Equality operator.
other | box to compare with. |
Definition at line 38 of file aabbox3d.h.
void irr::core::aabbox3d< T >::repair | ( | ) | [inline] |
Repairs the box.
Necessary if for example MinEdge and MaxEdge are swapped.
Definition at line 172 of file aabbox3d.h.
Referenced by irr::core::CMatrix4< T >::transformBox().
void irr::core::aabbox3d< T >::reset | ( | T | x, |
T | y, | ||
T | z | ||
) | [inline] |
Resets the bounding box to a one-point box.
x | X coord of the point. |
y | Y coord of the point. |
z | Z coord of the point. |
Definition at line 50 of file aabbox3d.h.
Referenced by irr::scene::IMeshManipulator::apply(), irr::scene::IMeshManipulator::apply_(), irr::scene::SMesh::clear(), irr::scene::SMesh::recalculateBoundingBox(), irr::scene::SViewFrustum::recalculateBoundingBox(), irr::scene::CDynamicMeshBuffer::recalculateBoundingBox(), irr::scene::SAnimatedMesh::recalculateBoundingBox(), irr::scene::SSharedMeshBuffer::recalculateBoundingBox(), irr::scene::CMeshBuffer< T >::recalculateBoundingBox(), and irr::scene::SSkinMeshBuffer::recalculateBoundingBox().
void irr::core::aabbox3d< T >::reset | ( | const aabbox3d< T > & | initValue | ) | [inline] |
Resets the bounding box.
initValue | New box to set this one to. |
Definition at line 58 of file aabbox3d.h.
void irr::core::aabbox3d< T >::reset | ( | const vector3d< T > & | initValue | ) | [inline] |
Resets the bounding box to a one-point box.
initValue | New point. |
Definition at line 65 of file aabbox3d.h.
vector3d<T> irr::core::aabbox3d< T >::MaxEdge |
The far edge.
Definition at line 320 of file aabbox3d.h.
Referenced by irr::core::aabbox3d< f32 >::addInternalBox(), irr::core::aabbox3d< f32 >::addInternalPoint(), irr::core::aabbox3d< f32 >::classifyPlaneRelation(), irr::core::aabbox3d< f32 >::getCenter(), irr::core::aabbox3d< f32 >::getEdges(), irr::core::aabbox3d< f32 >::getExtent(), irr::core::aabbox3d< f32 >::getInterpolated(), irr::core::aabbox3d< f32 >::intersectsWithBox(), irr::core::aabbox3d< f32 >::isEmpty(), irr::core::aabbox3d< f32 >::isFullInside(), irr::core::aabbox3d< f32 >::isPointInside(), irr::core::aabbox3d< f32 >::isPointTotalInside(), irr::core::triangle3d< T >::isTotalOutsideBox(), irr::core::aabbox3d< f32 >::operator!=(), irr::core::aabbox3d< f32 >::operator==(), irr::core::aabbox3d< f32 >::repair(), irr::core::aabbox3d< f32 >::reset(), irr::core::CMatrix4< T >::transformBox(), and irr::core::CMatrix4< T >::transformBoxEx().
vector3d<T> irr::core::aabbox3d< T >::MinEdge |
The near edge.
Definition at line 317 of file aabbox3d.h.
Referenced by irr::core::aabbox3d< f32 >::addInternalBox(), irr::core::aabbox3d< f32 >::addInternalPoint(), irr::core::aabbox3d< f32 >::classifyPlaneRelation(), irr::core::aabbox3d< f32 >::getCenter(), irr::core::aabbox3d< f32 >::getExtent(), irr::core::aabbox3d< f32 >::getInterpolated(), irr::core::aabbox3d< f32 >::intersectsWithBox(), irr::core::aabbox3d< f32 >::isEmpty(), irr::core::aabbox3d< f32 >::isFullInside(), irr::core::aabbox3d< f32 >::isPointInside(), irr::core::aabbox3d< f32 >::isPointTotalInside(), irr::core::triangle3d< T >::isTotalOutsideBox(), irr::core::aabbox3d< f32 >::operator!=(), irr::core::aabbox3d< f32 >::operator==(), irr::core::aabbox3d< f32 >::repair(), irr::core::aabbox3d< f32 >::reset(), irr::core::CMatrix4< T >::transformBox(), and irr::core::CMatrix4< T >::transformBoxEx().