source: GTP/trunk/App/Demos/Illum/pathmap/Triangle.hpp @ 2197

Revision 2197, 720 bytes checked in by szirmay, 18 years ago (diff)
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[2197]1#pragma once
2#include "Intersectable.hpp"
3
4class Triangle : public Intersectable {
5//      const Material*         material;
6        const Vector*                   a, *b, *c;              // the 3 vertices
7        Vector                  normal;                                 // surface normal
8        enum DominantAxis{X_DOMINANT, Y_DOMINANT, Z_DOMINANT}   dominantAxis;
9        // pre computed values for faster intersection testing:
10        float                   hyperPlaneShiftOffset;
11        float                   d1, d2, d3, d4, d5, d6;
12public:
13        Triangle(const Vector* a, const Vector* b, const Vector* c, const Material* material);
14        bool intersect(const Ray& ray, float& depth, float rayMin, float rayMax);
15        bool intersectBackSide(const Ray& ray, float& depth, float rayMin, float rayMax);
16        Vector getShadingNormal(const Vector& point)
17        {
18                return normal;
19        }
20};
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