From afca14c3724811972fc888d8b7f3acba618ff8e1 Mon Sep 17 00:00:00 2001
From: Erik Hofman <erik@ehofman.com>
Date: Sun, 5 Jun 2011 10:26:55 +0200
Subject: [PATCH] add a sanity check for the overcast property

---
 src/Time/light.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Time/light.cxx b/src/Time/light.cxx
index 19b996153..042919aee 100644
--- a/src/Time/light.cxx
+++ b/src/Time/light.cxx
@@ -237,6 +237,8 @@ void FGLight::update_sky_color () {
     else if (_saturation > 1.0) _saturation = 1.0;
     if (_scattering < 0.0) _scattering = 0.0;
     else if (_scattering > 1.0) _scattering = 1.0;
+    if (_overcast < 0.0) _overcast = 0.0;
+    else if (_overcast > 1.0) _overcast = 1.0;
 
     float ambient = _ambient_tbl->interpolate( deg ) + visibility_inv/10;
     float diffuse = _diffuse_tbl->interpolate( deg );