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POLYGON Class Reference

#include <polygon.h>

List of all members.

Public Methods

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

Public Attributes

TEXTURE Texture
VERTEX Vertex [3]

Constructor & Destructor Documentation

POLYGON::POLYGON (    ) 
 

Definition at line 5 of file polygon.cpp. 

00006 {
00007 }

POLYGON::~POLYGON (    ) 
 

Definition at line 9 of file polygon.cpp. 

00010 {
00011 }

Member Function Documentation

VECTOR POLYGON::GetNormal (    ) 
 

Definition at line 13 of file polygon.cpp.

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

00014 {
00015         VECTOR temp; 
00016         float ux;
00017         float uy;
00018         float uz;
00019         float vx;
00020         float vy;
00021         float vz;
00022           ux = Vertex[1].x - Vertex[0].x;
00023           uy = Vertex[1].y - Vertex[0].y;
00024           uz = Vertex[1].z - Vertex[0].z;
00025           vx = Vertex[2].x - Vertex[0].x;
00026           vy = Vertex[2].y - Vertex[0].y;
00027           vz = Vertex[2].z - Vertex[0].z;
00028           temp.x = (uy*vz)-(vy*uz);
00029           temp.y = (uz*vx)-(vz*ux);
00030           temp.z = (ux*vy)-(vx*uy);
00031         return temp;
00032 }

void POLYGON::SetNormal (    ) 
 

Definition at line 34 of file polygon.cpp.

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

Referenced by SetGLWorld(). 

00035 {
00036         float ux;
00037         float uy;
00038         float uz;
00039         float vx;
00040         float vy;
00041         float vz;
00042           ux = Vertex[1].x - Vertex[0].x;
00043           uy = Vertex[1].y - Vertex[0].y;
00044           uz = Vertex[1].z - Vertex[0].z;
00045           vx = Vertex[2].x - Vertex[0].x;
00046           vy = Vertex[2].y - Vertex[0].y;
00047           vz = Vertex[2].z - Vertex[0].z;
00048           Vertex[0].nx = (uy*vz)-(vy*uz);
00049           Vertex[0].ny = (uz*vx)-(vz*ux);
00050           Vertex[0].nz = (ux*vy)-(vx*uy);
00051         Vertex[1].nx = Vertex[0].nx;
00052           Vertex[1].ny = Vertex[0].ny;
00053           Vertex[1].nz = Vertex[0].nz;
00054           Vertex[2].nx = Vertex[0].nx;
00055           Vertex[2].ny = Vertex[0].ny;
00056           Vertex[2].nz = Vertex[0].nz;
00057 }

Member Data Documentation

TEXTURE POLYGON::Texture
 

Definition at line 19 of file polygon.h.

VERTEX POLYGON::Vertex[3]
 

Definition at line 20 of file polygon.h.

Referenced by GetNormal(), SetGLWorld(), and SetNormal().

The documentation for this class was generated from the following files:
Generated on Fri Dec 23 05:22:38 2005 for Timing by doxygen1.2.15