31 lines
733 B
C++
31 lines
733 B
C++
/*
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* DoRayMe - a quick and dirty Raytracer
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* Pattern 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 <pattern.h>
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#include <shape.h>
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Pattern::Pattern(Colour a, Colour b): a(a), b(b)
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{
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this->transformMatrix = Matrix4().identity();
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this->inverseTransform = this->transformMatrix.inverse();
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};
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Colour Pattern::patternAtObject(Shape *object, Tuple worldPoint)
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{
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Tuple objectPoint = object->inverseTransform * worldPoint;
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Tuple patternPoint = this->inverseTransform * objectPoint;
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return this->patternAt(patternPoint);
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}
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void Pattern::setTransform(Matrix transform)
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{
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this->transformMatrix = transform;
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this->inverseTransform = transform.inverse();
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} |