X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fscene.cpp;h=b8a74b59be7f3c6be74c85a179994c07345755ae;hb=3b159edbe4e80a2bc19c4c2fcd42cb996b9fbfe0;hp=6c3d2910706db98d6f2ecd7ed67b3dd771c372e8;hpb=b6fd887102ab8e4109fa2edd40b9e51f80f88410;p=libs%2Fgl.git

diff --git a/source/scene.cpp b/source/scene.cpp
index 6c3d2910..b8a74b59 100644
--- a/source/scene.cpp
+++ b/source/scene.cpp
@@ -66,13 +66,13 @@ bool Scene::frustum_cull(const Renderable &renderable) const
 		return false;
 
 	Vector4 center = culling_matrix*(*matrix*compose(bsphere->get_center(), 1.0f));
-	Vector4 x_axis = *matrix*Vector4(1.0f, 0.0f, 0.0f, 0.0f);
-	float radius_sq = bsphere->get_radius()*inner_product(x_axis, x_axis);
+	Vector4 x_axis = *matrix*Vector4(bsphere->get_radius(), 0.0f, 0.0f, 0.0f);
+	float radius_sq = inner_product(x_axis, x_axis);
 
 	for(unsigned i=0; i<6; ++i)
 	{
 		float distance = inner_product(center, frustum_edges[i]);
-		if(distance*distance>radius_sq)
+		if(distance>0 && distance*distance>radius_sq)
 			return true;
 	}