source: GTP/trunk/Lib/Vis/Preprocessing/src/Triangle3.h @ 1328

#ifndef __TRIANGLE3_H
#define __TRIANGLE3_H

#include "Vector3.h"


namespace GtpVisibilityPreprocessor {

class AxisAlignedBox3;
class Ray;


struct Triangle3 
{
        Triangle3() {};
        Triangle3(const Vector3 &a, const Vector3 &b, const Vector3 &c);

        void Init(const Vector3 &a, const Vector3 &b, const Vector3 &c);

        Vector3 GetNormal() const;

        Vector3 GetCenter() const;

        float GetSpatialAngle(const Vector3 &point) const;

        float GetArea() const;

        /// returns bounding box around this triangle
        AxisAlignedBox3 GetBoundingBox() const;

        /// Casts ray into this triangle. Returns hit
        int CastRay(const Ray &ray, float &t, const float nearestT) const;

        //////////////////////////////

        /// the triangle vertices
        Vector3 mVertices[3];
};

}

#endif