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// class to compute ambient occlusion
class AO{
//private:
Point3f dir; // direction
vector<float> buf;
int bufx, bufy;
float bufscale;
inline int index(int x, int y){
int res=x+bufx*y;
if (res<0) res=0;
if (res>=buf.size()) res=buf.size()-1;
return res;
//return x+bufx*y;
}
void PrintBuffer();
void RenderSphere(float cx, float cy, float cz, float rad);
void CheckAtom(QAtom &a);
public:
AO( Point3f _dir, Mol &m);
};
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