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EnigmA AMIGA RUN 35 (1999)(G.R. Edizioni)(IT)[!][issue 1999-03].iso
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ff_poly.h
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C/C++ Source or Header
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1997-07-12
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2KB
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81 lines
////////////////////////////////////////////////////////////
//
// FF_POLY.H - Form Factor Polygon Class
//
// Version: 1.03A
//
// History: 94/08/23 - Version 1.00A release.
// 94/12/16 - Version 1.01A release.
// 95/02/05 - Version 1.02A release.
// 95/07/21 - Version 1.02B release.
// 96/02/14 - Version 1.02C release.
// 96/04/01 - Version 1.03A release.
//
// Compilers: Microsoft Visual C/C++ Professional V1.5
// Borland C++ Version 4.5
//
// Author: Ian Ashdown, P.Eng.
// byHeart Software Limited
// 620 Ballantree Road
// West Vancouver, B.C.
// Canada V7S 1W3
// Tel. (604) 922-6148
// Fax. (604) 987-7621
//
// Copyright 1994-1996 byHeart Software Limited
//
// The following source code has been derived from:
//
// Ashdown, I. 1994. Radiosity: A Programmer's
// Perspective. New York, NY: John Wiley & Sons.
//
// It may be freely copied, redistributed, and/or modified
// for personal use ONLY, as long as the copyright notice
// is included with all source code files.
//
////////////////////////////////////////////////////////////
#ifndef _FF_POLY_H
#define _FF_POLY_H
#include "patch3.h"
#include "vector4.h"
// Maximum number of output vertices
static const int MaxVert = 10;
class FormPoly // Form factor polygon
{
private:
Point3 posn[MaxVert]; // Output vertex array
int num_vert; // Number of vertices
WORD ident; // Polygon identifier
void AddVertex( Vector4 &v )
{ v.Perspective(&(posn[num_vert++])); }
void Reset( WORD id )
{
num_vert = 0;
ident = id;
}
friend class FormClipEdge;
friend class FormClip;
public:
FormPoly()
{
num_vert = 0;
ident = 0;
}
int GetNumVert() { return num_vert; }
Point3 &GetVertex( int i )
{ return posn[i]; }
WORD GetPolyId() { return ident; }
};
#endif