49 lines
1 KiB
C++
49 lines
1 KiB
C++
#pragma once
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#include "basics_global.h"
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#include "Vector3.h"
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namespace paysages {
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namespace basics {
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/**
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* Geometric sphere.
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*/
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class BASICSSHARED_EXPORT Sphere {
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public:
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Sphere() = default;
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Sphere(const Vector3 ¢er, double radius);
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inline const Vector3 &getCenter() const {
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return center;
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}
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inline const double &getRadius() const {
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return radius;
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}
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/**
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* Check for intersections between the sphere and an infinite ray.
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*
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* Returns the number of intersections (0, 1 or 2).
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*/
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int checkRayIntersection(const InfiniteRay &ray) const;
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/**
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* Get the intersections between the sphere and an infinite ray.
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*
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* Returns the number of intersections (0, 1 or 2) and fill the intersection points.
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*/
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int findRayIntersection(const InfiniteRay &ray, Vector3 *first_intersection, Vector3 *second_intersection) const;
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void save(PackStream *stream) const;
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void load(PackStream *stream);
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private:
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Vector3 center;
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double radius;
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double radius2;
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};
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}
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}
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