RiRay3

3D Ray

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DESCRIPTION

Class Summary

DESCRIPTION

RiRay3();

    RiRay3();

in o

Ray origin

in v

Ray direction

in i

Valid interval with respect to the length of v

    RiRay3(const RiVector3 &o, const RiVector3 &v, const RiInterval &i);

out Origin

of the ray. Note that if i.Min != 0.0 then the actual origin will be be different from what is returned.

    const RiVector3  &GetOrigin() const;

out Direction

(and distance scale) of the ray.

    const RiVector3  &GetDirection() const;

out inverse

Direction (and distance scale) of the ray.

    const RiVector3  &GetInvDirection() const;

out Interval

describing the valid range of the ray

          RiInterval &GetInterval();

out needed

for BBoxHierarchy

          int         GetDirectionIndex() const;

in t

Ray value

out Point

corresponding to t.

    RiVector3 GetPoint( RiReal t ) const;

in hit

Updates the hit based on ray information. Should be called before shading, and after testing the objects

    void	UpdateHit(RiRayHit &hit) const;

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