40 lines
889 B
C
40 lines
889 B
C
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#ifndef INFINITERAY_H
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#define INFINITERAY_H
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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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* Infinite ray (line).
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*/
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class BASICSSHARED_EXPORT InfiniteRay
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{
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public:
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InfiniteRay();
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InfiniteRay(const Vector3 &origin, const Vector3 &direction);
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static InfiniteRay fromPoints(const Vector3 &point1, const Vector3 &point2);
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inline const Vector3 &getOrigin() const {return origin;}
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inline const Vector3 &getDirection() const {return direction;}
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inline double getCursor(const Vector3 &point) const {return point.sub(origin).dotProduct(direction);}
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inline Vector3 getPointAtCursor(double distance) const {return origin.add(direction.scale(distance));}
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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 origin;
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Vector3 direction;
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};
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}
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}
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#endif // INFINITERAY_H
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