SceneRefract: Fix the back normal orientation (artifact from a previous hack on
the depth pass shader).
diff --git a/data/shaders/light-refract.frag b/data/shaders/light-refract.frag
index cc04071..1dcd751 100644
--- a/data/shaders/light-refract.frag
+++ b/data/shaders/light-refract.frag
@@ -23,7 +23,7 @@
vec2 normcoord = (MapCoord.st + front_refraction.st + point_five) * point_five;
vec4 back_normal = texture2D(NormalMap, normcoord);
// Now refract again, using the minus normal from the lookup.
- vec3 back_refraction = refract(front_refraction, -back_normal.xyz, 1.5);
+ vec3 back_refraction = refract(front_refraction, back_normal.xyz, 1.5);
vec2 imagecoord = (normcoord + back_refraction.st + point_five) * point_five;
vec4 texel = texture2D(ImageMap, imagecoord);
// Add in a specular component