From 57c2f9241543a7d18eab98077530730d49ee10c2 Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Thu, 14 Jan 2021 00:56:57 +0100
Subject: Replace color with pbr-book inspired Spectrum class

---
 src/render.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'src/render.cpp')

diff --git a/src/render.cpp b/src/render.cpp
index a81c6bb..286cbae 100644
--- a/src/render.cpp
+++ b/src/render.cpp
@@ -86,9 +86,9 @@ Ray Renderer::findray(double x, double y) const {
     return Ray(m_eye, dir, true);
 }
 
-Color Renderer::render(unsigned x, unsigned y, unsigned samples) {
+Spectrum Renderer::render(unsigned x, unsigned y, unsigned samples) {
 
-    Color sum(0, 0, 0);
+    Spectrum sum;
 
     for (unsigned i = 0; i < samples; i++) {
         auto r = findray(x + m_random(), y + m_random());
@@ -98,20 +98,20 @@ Color Renderer::render(unsigned x, unsigned y, unsigned samples) {
     if (samples < 2) {
         return sum;
     } else {
-        return Vec3d(sum) / (double)samples;
+        return sum / (double)samples;
     }
 }
 
-Color Renderer::pathtrace_sample(const Ray &r, unsigned hop) {
+Spectrum Renderer::pathtrace_sample(const Ray &r, unsigned hop) {
     if (hop >= m_maxhops) {
-        return Color(0, 0, 0);
+        return Spectrum();
     }
 
     double dist;
     auto res = cast_ray(r, 0, &dist);
 
     if (!res) {
-        return Color(0, 0, 0);
+        return Spectrum();
     }
 
     auto col = res->m_mat.emits();
-- 
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