medfall

commit 758e00f61b4e288a2a8f7c6e9b9bcf8574b08226
parent 668817ad689e352ecad59415edec3e6fba2c5c12
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Sat Dec  3 21:59:55 +0200

No fog closer than 500 units away

Diffstat:
terrain_manager.cc
 | 
3
++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/terrain_manager.cc b/terrain_manager.cc
@@ -100,7 +100,8 @@ static const char * frag_src = GLSL(
 
 		// fog
 		vec3 fog_color = vec3( 0.6, 0.6, 0.6 );
-		float fog_t = 1.0 - clamp( 1.0 / exp( dot( vpos, vpos ) * 0.0005 * 0.0005 ), 0.0, 1.0 );
+		float fog_distance_bias = -500.0 * 500.0;
+		float fog_t = 1.0 - clamp( 1.0 / exp( ( fog_distance_bias + dot( vpos, vpos ) ) * 0.0005 * 0.0005 ), 0.0, 1.0 );
 
 		colour = vec4( mix( c, fog_color, fog_t ), 1.0 );
 	}