csDPlane Class Reference
[Geometry utilities]
A plane in 3D space.
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#include <csgeom/math3d_d.h>
Public Member Functions | |
double & | A () |
Return the A component of this plane. | |
double | A () const |
Return the A component of this plane. | |
double & | B () |
Return the B component of this plane. | |
double | B () const |
Return the B component of this plane. | |
double & | C () |
Return the C component of this plane. | |
double | C () const |
Return the C component of this plane. | |
double | Classify (const csDVector3 &pt) const |
Classify the given vector with regards to this plane. | |
csDPlane (double a, double b, double c, double d=0) | |
Initialize the plane. | |
csDPlane (const csDVector3 &plane_norm, double d=0) | |
Initialize the plane. | |
csDPlane () | |
Initialize to the xy plane. | |
double & | D () |
Return the D component of this plane. | |
double | D () const |
Return the D component of this plane. | |
double | Distance (const csDVector3 &pt) const |
Compute the distance from the given vector to this plane. | |
void | Invert () |
Reverses the direction of the plane while maintianing the plane itself. | |
const csDVector3 & | Normal () const |
Return the normal vector of this plane. | |
csDVector3 & | Normal () |
Return the normal vector of this plane. | |
void | Normalize () |
Normalizes the plane equation so that 'norm' is a unit vector. | |
void | Set (double a, double b, double c, double d) |
Set the value of the four plane components. | |
Static Public Member Functions | |
static double | Classify (double A, double B, double C, double D, const csDVector3 &pt) |
Classify a vector with regards to four plane components. | |
Public Attributes | |
double | DD |
The D component of the plane. | |
csDVector3 | norm |
The normal vector (or the (A,B,C) components). |
Detailed Description
A plane in 3D space.The plane is given by the equation AAx + BBy + CCz + DD = 0, Where (AA,BB,CC) is given by the vector 'norm'.
Definition at line 358 of file math3d_d.h.
Constructor & Destructor Documentation
csDPlane::csDPlane | ( | ) | [inline] |
csDPlane::csDPlane | ( | const csDVector3 & | plane_norm, | |
double | d = 0 | |||
) | [inline] |
csDPlane::csDPlane | ( | double | a, | |
double | b, | |||
double | c, | |||
double | d = 0 | |||
) | [inline] |
Member Function Documentation
double& csDPlane::A | ( | ) | [inline] |
double csDPlane::A | ( | ) | const [inline] |
double& csDPlane::B | ( | ) | [inline] |
double csDPlane::B | ( | ) | const [inline] |
double& csDPlane::C | ( | ) | [inline] |
double csDPlane::C | ( | ) | const [inline] |
static double csDPlane::Classify | ( | double | A, | |
double | B, | |||
double | C, | |||
double | D, | |||
const csDVector3 & | pt | |||
) | [inline, static] |
Classify a vector with regards to four plane components.
Definition at line 408 of file math3d_d.h.
References csDVector3::x, csDVector3::y, and csDVector3::z.
double csDPlane::Classify | ( | const csDVector3 & | pt | ) | const [inline] |
Classify the given vector with regards to this plane.
Definition at line 405 of file math3d_d.h.
Referenced by csDSquaredDist::PointPlane(), and csDMath3::Visible().
double& csDPlane::D | ( | ) | [inline] |
double csDPlane::D | ( | ) | const [inline] |
double csDPlane::Distance | ( | const csDVector3 & | pt | ) | const [inline] |
Compute the distance from the given vector to this plane.
This function assumes that 'norm' is a unit vector. If not, the function returns distance times the magnitude of 'norm'.
Definition at line 417 of file math3d_d.h.
References ABS.
void csDPlane::Invert | ( | ) | [inline] |
Reverses the direction of the plane while maintianing the plane itself.
Definition at line 421 of file math3d_d.h.
const csDVector3& csDPlane::Normal | ( | ) | const [inline] |
csDVector3& csDPlane::Normal | ( | ) | [inline] |
void csDPlane::Normalize | ( | ) | [inline] |
Normalizes the plane equation so that 'norm' is a unit vector.
Definition at line 424 of file math3d_d.h.
void csDPlane::Set | ( | double | a, | |
double | b, | |||
double | c, | |||
double | d | |||
) | [inline] |
Member Data Documentation
double csDPlane::DD |
The D component of the plane.
Definition at line 365 of file math3d_d.h.
Referenced by csDMath3::PlanesEqual().
The normal vector (or the (A,B,C) components).
Definition at line 362 of file math3d_d.h.
Referenced by csDMath3::PlanesEqual().
The documentation for this class was generated from the following file:
- csgeom/math3d_d.h
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