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POLYGON Class Reference

#include <polygon.h>

List of all members.

Public Methods

 POLYGON ()
 ~POLYGON ()
VECTOR GetNormal ()
void SetNormal ()

Public Attributes

float Scale [2]
float Shift [2]
float Rotate
unsigned int Texture
int numVertices
VERTEX Vertex [3]

Constructor & Destructor Documentation

POLYGON::POLYGON (    ) 
 

Definition at line 9 of file polygon.cpp.

References numVertices. 

00010 :
00011 numVertices(3)
00012 {
00013     
00014 }

POLYGON::~POLYGON (    ) 
 

Definition at line 16 of file polygon.cpp. 

00017 {
00018 }

Member Function Documentation

VECTOR POLYGON::GetNormal (    ) 
 

Definition at line 20 of file polygon.cpp.

References Vertex, VECTOR::x, VERTEX::x, VECTOR::y, VERTEX::y, VECTOR::z, and VERTEX::z.

Referenced by CheckForCollision(), CreateLargePortal(), and CreateLightmaps(). 

00021 {
00022         VECTOR temp; 
00023         float ux;
00024         float uy;
00025         float uz;
00026         float vx;
00027         float vy;
00028         float vz;
00029           ux = Vertex[1].x - Vertex[0].x;
00030           uy = Vertex[1].y - Vertex[0].y;
00031           uz = Vertex[1].z - Vertex[0].z;
00032           vx = Vertex[2].x - Vertex[0].x;
00033           vy = Vertex[2].y - Vertex[0].y;
00034           vz = Vertex[2].z - Vertex[0].z;
00035           temp.x = (uy*vz)-(vy*uz);
00036           temp.y = (uz*vx)-(vz*ux);
00037           temp.z = (ux*vy)-(vx*uy);
00038         return temp;
00039 }

void POLYGON::SetNormal (    ) 
 

Definition at line 41 of file polygon.cpp.

References VERTEX::nx, VERTEX::ny, VERTEX::nz, Vertex, VERTEX::x, VERTEX::y, and VERTEX::z.

Referenced by SetGLWorld(), and SplitPolygon(). 

00042 {
00043         float ux;
00044         float uy;
00045         float uz;
00046         float vx;
00047         float vy;
00048         float vz;
00049           ux = Vertex[1].x - Vertex[0].x;
00050           uy = Vertex[1].y - Vertex[0].y;
00051           uz = Vertex[1].z - Vertex[0].z;
00052           vx = Vertex[2].x - Vertex[0].x;
00053           vy = Vertex[2].y - Vertex[0].y;
00054           vz = Vertex[2].z - Vertex[0].z;
00055           Vertex[0].nx = (uy*vz)-(vy*uz);
00056           Vertex[0].ny = (uz*vx)-(vz*ux);
00057           Vertex[0].nz = (ux*vy)-(vx*uy);
00058         Vertex[1].nx = Vertex[0].nx;
00059           Vertex[1].ny = Vertex[0].ny;
00060           Vertex[1].nz = Vertex[0].nz;
00061           Vertex[2].nx = Vertex[0].nx;
00062           Vertex[2].ny = Vertex[0].ny;
00063           Vertex[2].nz = Vertex[0].nz;
00064 }

Member Data Documentation

int POLYGON::numVertices
 

Definition at line 23 of file polygon.h.

Referenced by SplitPolygon().

float POLYGON::Rotate
 

Definition at line 21 of file polygon.h.

Referenced by RenderBSP(), and SetGLWorld().

float POLYGON::Scale[2]
 

Definition at line 19 of file polygon.h.

Referenced by RenderBSP(), and SetGLWorld().

float POLYGON::Shift[2]
 

Definition at line 20 of file polygon.h.

Referenced by RenderBSP(), and SetGLWorld().

unsigned int POLYGON::Texture
 

Definition at line 22 of file polygon.h.

Referenced by RenderBSP(), and SetGLWorld().

VERTEX POLYGON::Vertex[3]
 

Definition at line 24 of file polygon.h.

Referenced by CheckForCollision(), ClassifyInvertedPortal(), ClassifyPortal(), CreateLargePortal(), CreateLightmaps(), FindCurrentLeaf(), GetEdgeIntersection(), GetNormal(), InitGL(), InvertPortals(), RenderBSP(), SetGLWorld(), SetNormal(), SplitPolygon(), and SplitPortal().

The documentation for this class was generated from the following files:
Generated on Fri Dec 23 05:20:21 2005 for Portals by doxygen1.2.15