From f5d79a4e390d20873023786279d600cf6c504c66 Mon Sep 17 00:00:00 2001 From: Richard Qin Date: Mon, 9 Mar 2026 01:44:26 +0800 Subject: The Beginning of the Journey of Exploration --- raytracing/main.cc | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 raytracing/main.cc (limited to 'raytracing/main.cc') diff --git a/raytracing/main.cc b/raytracing/main.cc new file mode 100644 index 0000000..e92fe3d --- /dev/null +++ b/raytracing/main.cc @@ -0,0 +1,30 @@ +#include + +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; +} \ No newline at end of file -- cgit v1.2.3