#include <plane2.h>
Public Methods | |
csPlane2 () | |
Initialize to the xy plane. | |
csPlane2 (const csVector2 &plane_norm, float c=0) | |
Initialize the plane. | |
csPlane2 (float a, float b, float c=0) | |
Initialize the plane. | |
void | Set (const csVector2 &v1, const csVector2 &v2) |
Initialize the plane given two vectors. | |
void | Set (const csSegment2 &s) |
Initialize the plane given a segment. | |
csPlane2 (const csVector2 &v1, const csVector2 &v2) | |
Initialize the plane given two vectors. | |
csPlane2 (const csSegment2 &s) | |
Initialize the plane given a segment. | |
csVector2& | Normal () |
Return the normal vector of this plane. | |
csVector2 | GetNormal () const |
Return the normal vector of this plane (const version). | |
float | A () const |
Return the A component of this plane. | |
float | B () const |
Return the B component of this plane. | |
float | C () const |
Return the C component of this plane. | |
float& | A () |
Return the A component of this plane. | |
float& | B () |
Return the B component of this plane. | |
float& | C () |
Return the C component of this plane. | |
void | Set (float a, float b, float c) |
Set the value of the four plane components. | |
float | Classify (const csVector2 &pt) const |
Classify the given vector with regards to this plane. | |
float | Distance (const csVector2 &pt) const |
Compute the distance from the given vector to this plane. More... | |
float | SquaredDistance (const csVector2 &pt) const |
Compute the squared distance between the given vector and this plane. More... | |
void | Invert () |
Reverses the direction of the plane while maintianing the plane itself. | |
void | Normalize () |
Normalizes the plane equation so that 'norm' is a unit vector. | |
Public Attributes | |
csVector2 | norm |
The normal vector (or the (A,B) components). | |
float | CC |
The C component of the plane. | |
Static Public Methods | |
float | Classify (float A, float B, float C, const csVector2 &pt) |
Classify a vector with regards to three plane components. |
The plane is given by the equation AAx + BBy + CCz + DD = 0, Where (AA,BB,CC) is given by the vector 'norm'.
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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'. |
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Compute the squared distance between the given vector and this plane. This function works even if the plane is not normalized. Note that the returned distance will be negative if the point is left of the plane and positive otherwise. |