29 lines
738 B
Plaintext
29 lines
738 B
Plaintext
// https://raytracing.github.io/books/RayTracingInOneWeekend.html
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#include <iostream>
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int main() {
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// Image
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const int image_width = 256;
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const int image_height = 256;
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// Render
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std::cout << "P3\n" << image_width << ' ' << image_height << "\n255\n";
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for (int j = image_height-1; j >= 0; --j) {
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for (int i = 0; i < image_width; ++i) {
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auto r = double(i) / (image_width-1);
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auto g = double(j) / (image_height-1);
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auto b = 0.25;
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int ir = static_cast<int>(255.999 * r);
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int ig = static_cast<int>(255.999 * g);
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int ib = static_cast<int>(255.999 * b);
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std::cout << ir << ' ' << ig << ' ' << ib << '\n';
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}
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}
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}
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