paysages3d/lib_paysages/preetham.h

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#ifndef _PAYSAGES_PREETHAM_H_
#define _PAYSAGES_PREETHAM_H_
/* Implementation of Preetham/Shirley light scattering */
#include "color.h"
#include "euclid.h"
#ifdef __cplusplus
extern "C" {
#endif
Color preethamGetSkyColor(Vector3 viewer, Vector3 direction, Vector3 sun_direction, double turbidity);
Color preethamApplyToObject(Vector3 viewer, Vector3 object_location, Vector3 sun_direction, double turbidity, Color object_color);
#ifdef __cplusplus
}
#endif
#endif