From 4fbf7c999dd9aabd19a8b66d32461ad4c2722dc3 Mon Sep 17 00:00:00 2001 From: Martin Lehoux Date: Sat, 4 Apr 2020 14:50:39 -0700 Subject: feat - Sky scene --- color.go | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'color.go') diff --git a/color.go b/color.go index c710c75..2bee0af 100644 --- a/color.go +++ b/color.go @@ -15,3 +15,8 @@ func LinearBlend(color1 Color, color2 Color, param float64) Color { param*color1.b + (1.0-param)*color2.b, } } + +func RayColor(ray Ray) Color { + param := 0.5 * (ray.direction.Unit().y + 1) + return LinearBlend(Color{0.5, 0.7, 1.0}, Color{1.0, 1.0, 1.0}, param) +} -- cgit v1.3