44 lines
988 B
C++
44 lines
988 B
C++
/*
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* DoRayMe - a quick and dirty Raytracer
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* UV Image 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_UV_IMAGE_H
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#define DORAYME_UV_IMAGE_H
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#include <stdint.h>
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#include <uv_pattern.h>
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#include <canvas.h>
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#include <tuple.h>
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class UVImage : public UVPattern
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{
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public:
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Canvas *image;
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UVImage(Canvas *image) : UVPattern(1, 1, Colour(0, 0, 0), Colour(0, 0, 0)),
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image(image) {};
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UVImage(const char *filepath) : UVPattern(1, 1, Colour(0, 0, 0), Colour(0, 0, 0)) {
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this->image = new Canvas(filepath);
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this->width = this->image->width;
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this->height = this->image->height;
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};
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Colour uvPatternAt(double u, double v) {
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v = 1 - v;
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double x = u * (this->image->width/2.0 - 1);
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double y = v * (this->image->height/2.0 - 1);
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Colour ret = this->image->getPixel(round(x), round(y));
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return ret;
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};
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};
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#endif /* DORAYME_UV_IMAGE_H */
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