32 lines
686 B
C++
32 lines
686 B
C++
/*
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* DoRayMe - a quick and dirty Raytracer
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* Intersection implementation
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*
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* Created by Manoël Trapier
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* Copyright (c) 2020 986-Studio.
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*
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*/
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#include <intersection.h>
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#include <shape.h>
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Computation Intersection::prepareComputation(Ray r)
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{
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Tuple hitP = r.position(this->t);
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Tuple normalV = this->object->normalAt(hitP);
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Tuple eyeV = -r.direction;
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bool inside = false;
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if (normalV.dot(eyeV) < 0)
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{
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inside = true;
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normalV = -normalV;
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}
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return Computation(this->object,
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this->t,
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hitP,
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eyeV,
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normalV,
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inside);
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} |