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EnigmA Amiga Run 1999 March
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EnigmA AMIGA RUN 35 (1999)(G.R. Edizioni)(IT)[!][issue 1999-03].iso
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hc_delta.h
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C/C++ Source or Header
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1999-01-01
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2KB
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85 lines
////////////////////////////////////////////////////////////
//
// HC_DELTA.H - Hemicube Delta Form Factor 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 _HC_DELTA_H
#define _HC_DELTA_H
#include "general.h"
#include "ff_delta.h"
static const int HC_ArrayDim = FF_ArrayRes / 2;
class HemiDelta // Hemicube delta form factors
{
private:
static float side_array[HC_ArrayDim][HC_ArrayDim];
static float top_array[HC_ArrayDim][HC_ArrayDim];
public:
HemiDelta();
// Get top face cell form factor
float GetTopFactor( int row, int col )
{
if (row >= HC_ArrayDim)
row -= HC_ArrayDim;
else
row = HC_ArrayDim - row - 1;
if (col >= HC_ArrayDim)
col -= HC_ArrayDim;
else
col = HC_ArrayDim - col - 1;
return top_array[row][col];
}
// Get side face cell form factor
float GetSideFactor( int row, int col )
{
if (col >= HC_ArrayDim)
col -= HC_ArrayDim;
else
col = HC_ArrayDim - col - 1;
return side_array[row - HC_ArrayDim][col];
}
};
#endif