From 977b0e4152433b2a68e2b97fe5fe2c0ff6fb20d8 Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Wed, 3 Feb 2021 17:29:27 +0100
Subject: Can render a simple sphere, without shading

---
 src/core/spectrum.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/core/spectrum.rs')

diff --git a/src/core/spectrum.rs b/src/core/spectrum.rs
index c72a251..fb82a9e 100644
--- a/src/core/spectrum.rs
+++ b/src/core/spectrum.rs
@@ -12,9 +12,13 @@ pub struct Spectrum {
 }
 
 impl Spectrum {
-    fn new_rgb(r: Float, g: Float, b: Float) -> Spectrum {
+    pub fn new_rgb(r: Float, g: Float, b: Float) -> Spectrum {
         Spectrum { c: [r, g, b] }
     }
+
+    pub fn to_rgb(&self, scale: Float) -> (Float, Float, Float) {
+        (self.c[0] * scale, self.c[1] * scale, self.c[2] * scale)
+    }
 }
 
 impl std::ops::Mul<Float> for &Spectrum {
-- 
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