| 3 |
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* bsdf.h |
| 4 |
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* |
| 5 |
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* Declarations for bidirectional scattering distribution functions. |
| 6 |
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* Assumes <stdio.h> already included. |
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* |
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* A material is oriented in right-hand coordinate system with X-axis |
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* in the surface plane pointed to the right as seen from the front. |
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#ifndef _BSDF_H_ |
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#define _BSDF_H_ |
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|
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+ |
#include "platform.h" |
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#include "fvect.h" |
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#include "ccolor.h" |
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#include "platform.h" |
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|
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#ifdef __cplusplus |
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extern "C" { |
| 189 |
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|
| 190 |
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/* Convert 1-dimensional random variable to N-dimensional */ |
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extern void SDmultiSamp(double t[], int n, double randX); |
| 193 |
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|
| 194 |
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/* Map a [0,1]^2 square to a unit radius disk */ |
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extern void SDsquare2disk(double ds[2], double seedx, double seedy); |
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|
| 197 |
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/* Map point on unit disk to a unit square in [0,1]^2 range */ |
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extern void SDdisk2square(double sq[2], double diskx, double disky); |
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|
| 193 |
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/***************************************************************** |
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* The calls below are the ones most applications require. |
