Cone.h

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#ifndef G3D_CONE_H
#define G3D_CONE_H

#include "G3D/platform.h"
#include "G3D/g3dmath.h"
#include "G3D/Vector3.h"

namespace G3D {

class Cone {

private:
 Vector3 tip;
 Vector3 direction;

 float angle;

public:

 Cone(const Vector3& tip, const Vector3& direction, float angle);

 Cone(const Vector3& tip, const class Box& box);

 virtual ~Cone() {}

 bool intersects(const class Sphere& s) const;

 bool contains(const class Vector3& v) const;


 static float solidAngleFromHalfAngle(float halfAngle);
 static double solidAngleFromHalfAngle(double halfAngle);

 static float halfAngleFromSolidAngle(float solidAngle);
 static double halfAngleFromSolidAngle(double solidAngle);


 Vector3 randomDirectionInCone(Random& rng) const;

};

} // namespace

#endif