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#ifndef LIGHT_H
#define LIGHT_H
// Copyright (c) 2000, 2001, 2002, 2003 by David Scherer and others.
// See the file license.txt for complete license terms.
// See the file authors.txt for a complete list of contributors.
#include "vector.h"
#include "tmatrix.h"
#include <vector>
namespace boost { namespace python {
class list;
}}
namespace visual {
struct lighting
{
double ambient;
int n_lights;
static const int max_lights = 8; // treat as a member
vector L[max_lights];
/* All lights are monochrome, directional light sources for now. The L
vector points in the direction of the light, and has magnitude equal
to the intensity of the light.
Ambient, n_lights, and L are exposed to clients for performance. In
an ideal universe, all clients would use the methods below.
*/
lighting();
lighting( const lighting& copy, const tmatrix& frame);
lighting( const lighting& old, boost::python::list);
boost::python::list as_list();
double illuminate( const vector& normal);
double illuminate( double nx, double ny, double nz);
};
} // !namespace visual
#endif
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