From 95314b6167d3ec8b15e028b62f6b4531f132b6e0 Mon Sep 17 00:00:00 2001
From: Jon Bergli Heier <snakebite@jvnv.net>
Date: Sun, 29 May 2011 17:16:18 +0200
Subject: Cull terrain faces.

---
 scene.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scene.cpp b/scene.cpp
index e981295..b669664 100644
--- a/scene.cpp
+++ b/scene.cpp
@@ -370,6 +370,9 @@ void Scene::render() {
 	//const float light_pos[4] = {0, 1, 0, 0};
 	//glLightfv(GL_LIGHT0, GL_POSITION, light_pos);
 
+	glEnable(GL_CULL_FACE);
+	glCullFace(GL_BACK);
+
 	if(render_terrain) {
 		const float fog_color[4] = {1, 1, 1, 0};
 		glFogfv(GL_FOG_COLOR, fog_color);
@@ -434,6 +437,7 @@ void Scene::render() {
 		// set active to texture0 to avoid breaking the texture font
 		glActiveTexture(GL_TEXTURE0);
 
+		glDisable(GL_CULL_FACE);
 		glEnable(GL_BLEND);
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 		water_program.use();
-- 
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