From 40192da9779b2750f7b5dc0326551e3b7b3dc280 Mon Sep 17 00:00:00 2001
From: Joshua Yanovski <pythonesque@gmail.com>
Date: Thu, 22 Aug 2019 21:10:04 +0200
Subject: [PATCH] Closest attempt.

---
 world/src/column/mod.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/world/src/column/mod.rs b/world/src/column/mod.rs
index 2d587e869c..0dd727cfb9 100644
--- a/world/src/column/mod.rs
+++ b/world/src/column/mod.rs
@@ -274,7 +274,13 @@ impl<'a> Sampler for ColumnGen<'a> {
                     Rgb::lerp(
                         Rgb::lerp(
                             // below snow_temp
-                            tundra,
+                            Rgb::lerp(
+                                tundra,
+                                snow,
+                                humidity.sub(CONFIG.desert_hum)
+                                        .sub((marble - 0.5) * 0.05)
+                                        .mul(256.0)
+                            ),
                             // snow_temp to 0
                             dirt,
                             temp.sub(CONFIG.snow_temp)