csDPlane Class Reference
[Geometry utilities]
A plane in 3D space.  
More...
#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
Generated for Crystal Space by doxygen 1.4.7

