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chapter 8 done

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Moritz Gmeiner 2023-12-27 20:18:52 +01:00
commit dabddf8e12
1 changed files with 4 additions and 2 deletions
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6
src/renderer.h
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@ -43,8 +43,10 @@ class Renderer {
constexpr Ray SampleRay(u32 i, u32 j) {
auto pixel_centre = camera_.PixelToWorld(i, j);
pixel_centre += rand_.GenF64(-0.5, 0.5) * camera_.d_u_pixel();
pixel_centre += rand_.GenF64(-0.5, 0.5) * camera_.d_v_pixel();
Vec3 random_shift = rand_.GenF64(-0.5, 0.5) * camera_.d_u_pixel() +
rand_.GenF64(-0.5, 0.5) * camera_.d_v_pixel();
pixel_centre += random_shift;
auto ray_direction = pixel_centre - camera_.centre();