From 35df307c3f7462e35c5f82e674cb280f995eb2fb Mon Sep 17 00:00:00 2001
From: vlj <vljn@ovi.com>
Date: Sat, 3 May 2014 23:44:27 +0200
Subject: [PATCH] Tweak light extend.

---
 data/shaders/pointlight.frag | 3 +++
 data/shaders/pointlight.vert | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/data/shaders/pointlight.frag b/data/shaders/pointlight.frag
index f7a78ba11..41da10d22 100644
--- a/data/shaders/pointlight.frag
+++ b/data/shaders/pointlight.frag
@@ -46,6 +46,9 @@ void main()
     vec3 light_col = col.xyz;
     float d = distance(light_pos, xpos.xyz);
     float att = energy * 200. / (1. + 33. * d + 33. * d * d);
+    float max_d = 20. * energy;
+    att *= (max_d - d) / max_d;
+    if (att <= 0.) discard;
 
     // Light Direction
     vec3 L = -normalize(xpos.xyz - light_pos);
diff --git a/data/shaders/pointlight.vert b/data/shaders/pointlight.vert
index 87150dccd..c85231b84 100644
--- a/data/shaders/pointlight.vert
+++ b/data/shaders/pointlight.vert
@@ -29,7 +29,7 @@ const float zNear = 1.;
 void main(void)
 {
     // Beyond that value, light is too attenuated
-    float r = 100 * Energy;
+    float r = 30 * Energy;
     center = Position;
     energy = Energy;
     vec4 Center = ViewMatrix * vec4(Position, 1.);