This is the documentation for Enlighten.
class Geo GeoNonAABoundingBox
- William Joseph
- geosw (Unlicensed)
class Geo::GeoNonAABoundingBox
Non axis aligned bounding box. Note the "m_Pos" of this class is the CORNER (origin), not the centre.
Functions
| Name | Description |
|---|---|
| ContainsPoint(const Geo::v128 &) | Returns true if the supplied point is inside the box. |
| DistanceToPoint(const Geo::v128 &) | Returns the shortest distance from the supplied point to the box. NOTE: Returns a negative distance for points inside the box. |
| GeoNonAABoundingBox() | Constructors. |
| GeoNonAABoundingBox(const Geo::GeoBoundingBox &) | Constructors. |
| GeoNonAABoundingBox(const Geo::v128, const Geo::v128, const Geo::v128) | Constructors. |
| GetAxisAlignedBoundingBox() | Gets the minimum axis-aligned bounding box that contains this box. |
| GetBasis(s32) | Gets the basis vector defining the X, Y or Z principal axis of this box (0 = X, 1 = Y, 2 = Z). |
| GetCentre() | Returns the position at the centre of the box. |
| GetCorners(v128) | Fills in the given array with the 8 corner points. |
| GetEdges(BboxEdge) | Fills in the given array with the 12 edges. |
| GetFaces(BboxFace) | Fills in the given array with the 6 faces. Each face's vertices will be ordered counter-clockwise when viewed from the outside of the bbox. |
| GetInvWorldMatrix() | From world space to cube map space. |
| GetPosition() | Gets the corner of this box. |
| GetSize() | Gets a vector containing the edge lengths of this box in each of X, Y and Z. |
| GetWorldMatrix() | From cubemap space to world space. |
| IntersectsBoundingBox(const Geo::GeoNonAABoundingBox &) | Determines if this box intersects the given box. |
| Load(Geo::IGeoInputStream &) | Load this object from an IGeoStream. |
| MapFromLocalUnitCube(const Geo::v128 &) | Map a point in the local unit coordinate system of the volume box to WC. |
| MapToLocalUnitCube(const Geo::v128 &) | Map a WC point to the local unit coordinate system of the volume box. |
| Save(Geo::IGeoStream &) | Save this object to an IGeoStream. |
| SetMatrices() | Initialise a non axis aligned bounding box given an origin, an orthonormal basis of 3 unit vectors and the extent size of the the basis vectors. |
Variables
| Name | Description |
|---|---|
| Geo::v128 m_Basis[3] | An orthonormal basis (of unit vectors) describing the orientation of the box. |
| Geo::Matrix m_LU2WC | Matrix mapping from local to world coordinates. |
| Geo::v128 m_Pos | Origin (corner) of the axis aligned box. |
| Geo::v128 m_Size | Size of the bounding volume (in the basis). |
| Geo::Matrix m_WC2LU | Matrix mapping from world to local coordinates. |
bool Geo::GeoNonAABoundingBox::ContainsPoint
public: bool ContainsPoint
(
  const Geo::v128 & p
) const
Returns true if the supplied point is inside the box.
float Geo::GeoNonAABoundingBox::DistanceToPoint
public: float DistanceToPoint
(
  const Geo::v128 & p
) const
Returns the shortest distance from the supplied point to the box. NOTE: Returns a negative distance for points inside the box.
Geo::GeoNonAABoundingBox::GeoNonAABoundingBox
public: GeoNonAABoundingBox()
Constructors.
Geo::GeoNonAABoundingBox::GeoNonAABoundingBox
public: GeoNonAABoundingBox
(
  const Geo::GeoBoundingBox & axisAlignedBox
)
Constructors.
Geo::GeoNonAABoundingBox::GeoNonAABoundingBox
public: GeoNonAABoundingBox
(
  const Geo::v128 position,
  const Geo::v128 size,
  const Geo::v128 basis
)
Constructors.
GeoBoundingBox Geo::GeoNonAABoundingBox::GetAxisAlignedBoundingBox
public: GeoBoundingBox GetAxisAlignedBoundingBox() const
Gets the minimum axis-aligned bounding box that contains this box.
Geo::v128 Geo::GeoNonAABoundingBox::GetBasis
public: Geo::v128 GetBasis
(
  s32 axis
) const
Gets the basis vector defining the X, Y or Z principal axis of this box (0 = X, 1 = Y, 2 = Z).
Geo::v128 Geo::GeoNonAABoundingBox::GetCentre
public: Geo::v128 GetCentre() const
Returns the position at the centre of the box.
void Geo::GeoNonAABoundingBox::GetCorners
public: void GetCorners
(
  v128 corners
) const
Fills in the given array with the 8 corner points.
void Geo::GeoNonAABoundingBox::GetEdges
public: void GetEdges
(
  BboxEdge edges
) const
Fills in the given array with the 12 edges.
void Geo::GeoNonAABoundingBox::GetFaces
public: void GetFaces
(
  BboxFace faces
) const
Fills in the given array with the 6 faces. Each face's vertices will be ordered counter-clockwise when viewed from the outside of the bbox.
Geo::Matrix Geo::GeoNonAABoundingBox::GetInvWorldMatrix
public: Geo::Matrix GetInvWorldMatrix() const
From world space to cube map space.
Geo::v128 Geo::GeoNonAABoundingBox::GetPosition
public: Geo::v128 GetPosition() const
Gets the corner of this box.
Geo::v128 Geo::GeoNonAABoundingBox::GetSize
public: Geo::v128 GetSize() const
Gets a vector containing the edge lengths of this box in each of X, Y and Z.
Geo::Matrix Geo::GeoNonAABoundingBox::GetWorldMatrix
public: Geo::Matrix GetWorldMatrix() const
From cubemap space to world space.
bool Geo::GeoNonAABoundingBox::IntersectsBoundingBox
public: bool IntersectsBoundingBox
(
  const Geo::GeoNonAABoundingBox & box
) const
Determines if this box intersects the given box.
bool Geo::GeoNonAABoundingBox::Load
public: bool Load
(
  Geo::IGeoInputStream & stream
)
Load this object from an IGeoStream.
Geo::v128 Geo::GeoNonAABoundingBox::MapFromLocalUnitCube
public: Geo::v128 MapFromLocalUnitCube
(
  const Geo::v128 & p
) const
Map a point in the local unit coordinate system of the volume box to WC.
Geo::v128 Geo::GeoNonAABoundingBox::MapToLocalUnitCube
public: Geo::v128 MapToLocalUnitCube
(
  const Geo::v128 & p
) const
Map a WC point to the local unit coordinate system of the volume box.
bool Geo::GeoNonAABoundingBox::Save
public: bool Save
(
  Geo::IGeoStream & stream
) const
Save this object to an IGeoStream.
bool Geo::GeoNonAABoundingBox::SetMatrices
public: bool SetMatrices()
Initialise a non axis aligned bounding box given an origin, an orthonormal basis of 3 unit vectors and the extent size of the the basis vectors.
NOTE: The basis should be orthonormal, thus forming a valid box.