Cull terrain faces.

1 files changed, 4 insertions, 0 deletions

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();