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Diffstat (limited to 'main.cc')
| -rw-r--r-- | main.cc | 30 |
1 files changed, 30 insertions, 0 deletions
@@ -0,0 +1,30 @@ +#include <iostream> + +int main() { + // Image + + int image_width = 256; + int image_height = 256; + + // Render + + std::cout << "P3\n" << image_width << " " << image_height << "\n255\n"; + for (int j = 0; j < image_height; j++) + { + std::clog << "\rScanlines remaining: " << (image_height - j) << ' ' << std::flush; + for (int i = 0; i < image_width; i++) + { + auto r = double(i) / (image_width - 1); + auto g = double(j) / (image_height - 1); + auto b = 0.0; + + int ir = int(255.999 * r); + int ig = int(255.999 * g); + int ib = int(255.999 * b); + + std::cout << ir << ' ' << ig << ' ' << ib << '\n'; + } + } + std::clog << "\rDone. \n"; + return 0; +}
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