From fa931762847d46baf8eb3ff2f53cab74ca34ef0e Mon Sep 17 00:00:00 2001 From: ladevieq Date: Sun, 20 Dec 2020 14:52:47 +0100 Subject: Vec3 utility function lerp --- src/main.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/main.cpp') diff --git a/src/main.cpp b/src/main.cpp index e3b69b1..b964aeb 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -8,7 +8,7 @@ color ray_color(ray& r) { auto unit_dir = r.direction.unit(); auto t = (unit_dir.y + 1.0) * 0.5; - return (1.0 - t) * color(1.0, 1.0, 1.0) + t * color(0.5, 0.7, 1.0); + return lerp(color(1.0, 1.0, 1.0), color(0.5, 0.7, 1.0), t); } int main() { @@ -47,7 +47,7 @@ int main() { std::cerr << "Generating image" << std::endl; for (ssize_t row = height - 1; row >= 0; row--) { - std::cerr << height - row << " lines remaining" << std::endl; + std::cerr << row << " lines remaining" << std::endl; for (size_t column = 0; column < width; column++) { vec3 x = horizontal * column; vec3 y = vertical * row; -- cgit v1.3