38 lines
767 B
C++
38 lines
767 B
C++
/*
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* DoRayMe - a quick and dirty Raytracer
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* Gradient Pattern header
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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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#ifndef DORAYME_GRADIENTPATTERN_H
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#define DORAYME_GRADIENTPATTERN_H
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#include <pattern.h>
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#include <stdio.h>
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class GradientPattern : public Pattern
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{
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public:
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GradientPattern(Colour a, Colour b) : Pattern(a, b) { };
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Colour patternAt(Tuple point)
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{
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Tuple distance = this->b - this->a;
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double fraction = point.x - floor(point.x);
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Tuple ret = this->a + distance * fraction;
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return Colour(ret.x, ret.y, ret.z);
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}
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void dumpMe(FILE *fp) {
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fprintf(fp, "\"Type\": \"Gradient\",\n");
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Pattern::dumpMe(fp);
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}
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};
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#endif /* DORAYME_GRADIENTPATTERN_H */
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