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EnigmA AMIGA RUN 35 (1999)(G.R. Edizioni)(IT)[!][issue 1999-03].iso
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out_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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89 lines
////////////////////////////////////////////////////////////
//
/// OUT_POLY.H - Output 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 _OUT_POLY_H
#define _OUT_POLY_H
#include "vertex4.h"
// Maximum number of output vertices
static const int MaxOutVert = 10;
class OutPolygon // Output polygon
{
private:
class OutVertex // Output vertex
{
private:
Spectra color; // Color
Point3 posn; // 3-D position
public:
Point3 &GetPosn() { return posn; }
Spectra &GetColor() { return color; }
void Set( Vertex4 &v )
{
// Perform perspective division
v.GetCoord().Perspective(&posn);
color = v.GetColor();
}
}
vertex[MaxOutVert]; // Output vertex array
int num_vert; // Number of vertices
void AddVertex( Vertex4 &v )
{ vertex[num_vert++].Set(v); }
void Reset() { num_vert = 0; }
friend class ClipEdge;
friend class PolyClip4;
public:
OutPolygon() { num_vert = 0; }
int GetNumVert() { return num_vert; }
Point3 &GetVertexPosn( int i )
{ return vertex[i].GetPosn(); }
Spectra &GetVertexColor( int i )
{ return vertex[i].GetColor(); }
};
#endif