class Geo::GeoBoundingBox
This class represents an axis aligned bounding box.
Variables
| Name | Description |
|---|---|
| Geo::v128 v[2] | A min and max position pair. |
Functions
| Name | Description |
|---|---|
| AddDebugLines(Geo::GeoArray< DebugLine > &) | Appends to the contents of the given array with the lines making up the bounding box. |
| CalculateSolidAngle(v128 const &) | calculates the solid angle of the box as visible from viewPos |
| ClosestPointInBox(const Geo::v128 &) | Compute the closest point in the box to p. |
| ContainsBox(const Geo::GeoBoundingBox &) | Is a box contained by the box? |
| ContainsPoint(const Geo::v128 &) | Is a point in the box? |
| ContainsPoint2D(const Geo::v128 &) | Is a point in the box? Only tests xy. |
| EnclosePoint(const v128 &) | Enlarge this bounding box to include the given point. |
| ExpandBy(const v128 &) | Expands this bounding box by the given amount in each of the three axes (in both directions). |
| GeoBoundingBox() | Constructor - makes an empty bounding box. |
| GeoBoundingBox(float, float, float, float, float, float) | Create a bounding box defined by two extreme points. |
| GeoBoundingBox(const GeoBoundingBox &) | Copy Constructor. |
| GetCenter() | Return the center of this bounding box. |
| GetCorners(v128 *) | Return the 8 corner points. |
| GetDebugLines(Geo::GeoArray< DebugLine > &) | Replaces the contents of the given array with the lines making up the bounding box. |
| GetDistanceFrom(const GeoBoundingBox &) | Distance between two bounding boxes (0 if they intersect) |
| GetLargestFace() | Return the largest face of this bounding box. |
| GetLongestSide() | Return the longest side of this bounding box. |
| GetLongestSideIdx() | Returns the index of the longest axis. |
| GetMax() | Return the maxumum in each axis of this bounding box. |
| GetMin() | Return the minimum in each axis of this bounding box. |
| GetShortestSide() | Return the shortest side of this bounding box. |
| GetSize() | Return the size of this bounding box in each axis. |
| GetSurfaceArea() | Return the surface area of this bounding box. |
| GetVolume() | Return the volume of this bounding box. |
| IntersectsBoundingBox(const GeoBoundingBox &) | Returns true if the bounding boxes mutually olaps. |
| IntersectsLightCone(const Geo::v128 &, const Geo::v128 &, float, float) | Returns true if the bounding box intersects the light cone. |
| IntersectsRay(const Geo::v128 &, const Geo::v128 &, float &) | Returns true if the bounding box intersects the ray. If intersects then tHit return the distance to the hit. |
| IntersectsSphere(Geo::v128, float) | Returns true if the bounding box overlaps the sphere. |
| IntersectsSphere(const GeoBoundingSphere &) | Returns true if the bounding box overlaps the sphere. |
| IsEmpty() | Returns true if the bbox is empty (ie uninitialised) |
| operator[](Geo::u32) | Indexed access to the two extreme points that define this bounding box (index must be 0 or 1). |
| operator+(const GeoBoundingBox &) | Compute and return the union of this bounding with another. |
| operator+=(const v128 &) | Enlarge this bounding box to include the given point. |
| operator+=(const GeoBoundingBox &) | Compute the inplace union of this bounding box and another. |
| SetEmpty() | Resets the box to it's default empty state. |
| Transform(const Geo::Matrix &) | Returns a new transformed bounding box. |
| Anchor | ||||
|---|---|---|---|---|
|
bool Geo::GeoBoundingBox::AddDebugLines
...
public: bool AddDebugLines
(
Geo::GeoArray< DebugLine > & lines
) const
...
Appends to the contents of the given array with the lines making up the bounding box.
| Anchor | ||||
|---|---|---|---|---|
|
float Geo::GeoBoundingBox::CalculateSolidAngle
...
public: float CalculateSolidAngle
(
v128 const & viewPos
) const
...
calculates the solid angle of the box as visible from viewPos
| Anchor | ||||
|---|---|---|---|---|
|
Geo::v128 Geo::GeoBoundingBox::ClosestPointInBox
...
public: Geo::v128 ClosestPointInBox
(
const Geo::v128 & p
) const
...
Compute the closest point in the box to p.
| Anchor | ||||
|---|---|---|---|---|
|
bool Geo::GeoBoundingBox::ContainsBox
...
public: bool ContainsBox
(
const Geo::GeoBoundingBox & rhs
) const
...
Is a box contained by the box?
| Anchor | ||||
|---|---|---|---|---|
|
bool Geo::GeoBoundingBox::ContainsPoint
...
public: bool ContainsPoint
(
const Geo::v128 & p
) const
...
Is a point in the box?
| Anchor | ||||
|---|---|---|---|---|
|
bool Geo::GeoBoundingBox::ContainsPoint2D
...
public: bool ContainsPoint2D
(
const Geo::v128 & p
) const
...
Is a point in the box? Only tests xy.
| Anchor | ||||
|---|---|---|---|---|
|
void Geo::GeoBoundingBox::EnclosePoint
...
public: void EnclosePoint
(
const v128 & point
)
...
Enlarge this bounding box to include the given point.
| Anchor | ||||
|---|---|---|---|---|
|
void Geo::GeoBoundingBox::ExpandBy
...
public: void ExpandBy
(
const v128 & expansion
)
...
Expands this bounding box by the given amount in each of the three axes (in both directions).
| Anchor | ||||
|---|---|---|---|---|
|
Geo::GeoBoundingBox::GeoBoundingBox
...
public: GeoBoundingBox()
...
Constructor - makes an empty bounding box.
| Anchor | ||||
|---|---|---|---|---|
|
Geo::GeoBoundingBox::GeoBoundingBox
...
public: GeoBoundingBox
(
float x1,
float y1,
float z1,
float x2,
float y2,
float z2
)
...
Create a bounding box defined by two extreme points.
| Anchor | ||||
|---|---|---|---|---|
|
Geo::GeoBoundingBox::GeoBoundingBox
...
public: GeoBoundingBox
(
const GeoBoundingBox & from
)
...
Copy Constructor.
| Anchor | ||||
|---|---|---|---|---|
|
v128 Geo::GeoBoundingBox::GetCenter
...
public: v128 GetCenter() const
...
Return the center of this bounding box.
| Anchor | ||||
|---|---|---|---|---|
|
void Geo::GeoBoundingBox::GetCorners
...
public: void GetCorners
(
v128 * corners
) const
...
Return the 8 corner points.
| Anchor | ||||
|---|---|---|---|---|
|
bool Geo::GeoBoundingBox::GetDebugLines
...
public: bool GetDebugLines
(
Geo::GeoArray< DebugLine > & lines
) const
...
Replaces the contents of the given array with the lines making up the bounding box.
| Anchor | ||||
|---|---|---|---|---|
|
float Geo::GeoBoundingBox::GetDistanceFrom
...
public: float GetDistanceFrom
(
const GeoBoundingBox & rhs
) const
...
Distance between two bounding boxes (0 if they intersect)
| Anchor | ||||
|---|---|---|---|---|
|
float Geo::GeoBoundingBox::GetLargestFace
...
public: float GetLargestFace() const
...
Return the largest face of this bounding box.
| Anchor | ||||
|---|---|---|---|---|
|
float Geo::GeoBoundingBox::GetLongestSide
...
public: float GetLongestSide() const
...
Return the longest side of this bounding box.
| Anchor | ||||
|---|---|---|---|---|
|
Geo::s32 Geo::GeoBoundingBox::GetLongestSideIdx
...
public: Geo::s32 GetLongestSideIdx() const
...
Returns the index of the longest axis.
| Anchor | ||||
|---|---|---|---|---|
|
v128 Geo::GeoBoundingBox::GetMax
...
public: v128 GetMax() const
...
Return the maxumum in each axis of this bounding box.
| Anchor | ||||
|---|---|---|---|---|
|
v128 Geo::GeoBoundingBox::GetMin
...
public: v128 GetMin() const
...
Return the minimum in each axis of this bounding box.
| Anchor | ||||
|---|---|---|---|---|
|
float Geo::GeoBoundingBox::GetShortestSide
...
public: float GetShortestSide() const
...
Return the shortest side of this bounding box.
| Anchor | ||||
|---|---|---|---|---|
|
v128 Geo::GeoBoundingBox::GetSize
...
public: v128 GetSize() const
...
Return the size of this bounding box in each axis.
| Anchor | ||||
|---|---|---|---|---|
|
float Geo::GeoBoundingBox::GetSurfaceArea
...
public: float GetSurfaceArea() const
...
Return the surface area of this bounding box.
| Anchor | ||||
|---|---|---|---|---|
|
float Geo::GeoBoundingBox::GetVolume
...
public: float GetVolume() const
...
Return the volume of this bounding box.
| Anchor | ||||
|---|---|---|---|---|
|
bool Geo::GeoBoundingBox::IntersectsBoundingBox
...
public: bool IntersectsBoundingBox
(
const GeoBoundingBox & rhs
) const
...
Returns true if the bounding boxes mutually olaps.
| Anchor | ||||
|---|---|---|---|---|
|
bool Geo::GeoBoundingBox::IntersectsLightCone
...
public: bool IntersectsLightCone
(
const Geo::v128 & lightPosition,
const Geo::v128 & lightDirection,
float coneAngle,
float cutOff
) const
...
Returns true if the bounding box intersects the light cone.
| Anchor | ||||
|---|---|---|---|---|
|
bool Geo::GeoBoundingBox::IntersectsRay
...
public: bool IntersectsRay
(
const Geo::v128 & rayPosition,
const Geo::v128 & rayDirection,
float & tHit
) const
...
Returns true if the bounding box intersects the ray. If intersects then tHit return the distance to the hit.
| Anchor | ||||
|---|---|---|---|---|
|
bool Geo::GeoBoundingBox::IntersectsSphere
...
public: bool IntersectsSphere
(
Geo::v128 centre,
float radius
) const
...
Returns true if the bounding box overlaps the sphere.
| Anchor | ||||
|---|---|---|---|---|
|
bool Geo::GeoBoundingBox::IntersectsSphere
...
public: bool IntersectsSphere
(
const GeoBoundingSphere & bSphere
) const
...
Returns true if the bounding box overlaps the sphere.
| Anchor | ||||
|---|---|---|---|---|
|
bool Geo::GeoBoundingBox::IsEmpty
...
public: bool IsEmpty() const
...
Returns true if the bbox is empty (ie uninitialised)
| Anchor | ||||
|---|---|---|---|---|
|
const v128 & Geo::GeoBoundingBox::operator[]
...
public: const v128 & operator[]
(
Geo::u32 index
) const
...
Indexed access to the two extreme points that define this bounding box (index must be 0 or 1).
| Anchor | ||||
|---|---|---|---|---|
|
GeoBoundingBox Geo::GeoBoundingBox::operator+
...
public: GeoBoundingBox operator+
(
const GeoBoundingBox & rhs
) const
...
Compute and return the union of this bounding with another.
| Anchor | ||||
|---|---|---|---|---|
|
GeoBoundingBox & Geo::GeoBoundingBox::operator+=
...
public: GeoBoundingBox & operator+=
(
const v128 & rhs
)
...
Enlarge this bounding box to include the given point.
| Anchor | ||||
|---|---|---|---|---|
|
GeoBoundingBox & Geo::GeoBoundingBox::operator+=
...
public: GeoBoundingBox & operator+=
(
const GeoBoundingBox & rhs
)
...
Compute the inplace union of this bounding box and another.
| Anchor | ||||
|---|---|---|---|---|
|
void Geo::GeoBoundingBox::SetEmpty
...
public: void SetEmpty()
...
Resets the box to it's default empty state.
| Anchor | ||||
|---|---|---|---|---|
|
GeoBoundingBox Geo::GeoBoundingBox::Transform
...
public: GeoBoundingBox Transform
(
const Geo::Matrix & transform
) const
...
Returns a new transformed bounding box.