Added fog and implemented a simple skybox.

1 files changed, 2 insertions, 1 deletions

diff --git a/shaders/terrain_fragment.glsl b/shaders/terrain_fragment.glsl
index 0925c6b..c3f0d46 100644
--- a/shaders/terrain_fragment.glsl
+++ b/shaders/terrain_fragment.glsl
@@ -4,7 +4,7 @@ varying vec3 normal, light_pos, pos;
 
 uniform sampler2D tex[3];
 uniform sampler2D marktex;
-uniform vec3 selpos;
+uniform vec3 selpos, player_pos;
 uniform bool show_sel;
 
 void main() {
@@ -27,6 +27,7 @@ void main() {
 		vec2 st = vec2((pos.x + 1 - selpos.x) / 2, (pos.z + 1 - selpos.z) / 2);
 		gl_FragColor += texture2D(marktex, st);
 	}
+	gl_FragColor = mix(gl_FragColor, gl_Fog.color, pow(length(player_pos - pos), 2) / 10000);
 }
 
 /* vim: set syn=glsl: */