X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Feffects%2Fenvironmentmap.cpp;h=47cea0904017c2daa7bbeff4328ec7d5d4128573;hp=315390b1ca81664c47a2a5c940ef445ee94faa97;hb=3867df2040d1fb955158ca3bd8fbf5271ad66fb2;hpb=3f245515062d10e4d527827e5126fe412de06ce0

diff --git a/source/effects/environmentmap.cpp b/source/effects/environmentmap.cpp
index 315390b1..47cea090 100644
--- a/source/effects/environmentmap.cpp
+++ b/source/effects/environmentmap.cpp
@@ -79,6 +79,12 @@ EnvironmentMap::EnvironmentMap(unsigned s, PixelFormat f, unsigned l, Renderable
 	shdata.uniform("env_world_matrix", LinAl::SquareMatrix<float, 3>::identity());
 }
 
+void EnvironmentMap::set_fixed_position(const Vector3 &p)
+{
+	fixed_position = p;
+	use_fixed_pos = true;
+}
+
 void EnvironmentMap::set_depth_clip(float n, float f)
 {
 	for(unsigned i=0; i<6; ++i)
@@ -113,16 +119,22 @@ void EnvironmentMap::setup_frame(Renderer &renderer)
 	update_delay = update_interval-1;
 	environment.setup_frame(renderer);
 
-	const Matrix *matrix = renderable.get_matrix();
-	if(!matrix)
-		return;
+	Vector3 center;
+	if(use_fixed_pos)
+		center = fixed_position;
+	else
+	{
+		const Matrix *matrix = renderable.get_matrix();
+		if(!matrix)
+			return;
+
+		center = matrix->column(3).slice<3>(0);
+	}
 
 	Renderer::Push push(renderer);
 	Renderer::Exclude exclude1(renderer, renderable);
 	Renderer::Exclude exclude2(renderer, *this);
 
-	Vector3 center = matrix->column(3).slice<3>(0);
-
 	for(unsigned i=0; i<6; ++i)
 	{
 		faces[i].camera.set_position(center);