diff options
Diffstat (limited to 'src/color.cpp')
| -rw-r--r-- | src/color.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/color.cpp b/src/color.cpp index 3cd3e60..565516f 100644 --- a/src/color.cpp +++ b/src/color.cpp @@ -2,10 +2,16 @@ #include "rt.hpp" void write_color(std::ostream& out, const color& pixel_color, uint32_t samples_per_pixel) { + auto r = pixel_color.x; + auto g = pixel_color.y; + auto b = pixel_color.z; + auto scale = 1.0 / samples_per_pixel; - auto scaled_color = pixel_color * scale; + r = sqrt(r * scale); + g = sqrt(g * scale); + b = sqrt(b * scale); - out << static_cast<uint32_t>(256.0 * clamp(scaled_color.x, 0.0, 0.999)) << ' ' - << static_cast<uint32_t>(256.0 * clamp(scaled_color.y, 0.0, 0.999)) << ' ' - << static_cast<uint32_t>(256.0 * clamp(scaled_color.z, 0.0, 0.999)) << std::endl; + out << static_cast<uint32_t>(256.0 * clamp(r, 0.0, 0.999)) << ' ' + << static_cast<uint32_t>(256.0 * clamp(g, 0.0, 0.999)) << ' ' + << static_cast<uint32_t>(256.0 * clamp(b, 0.0, 0.999)) << std::endl; } |