X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Feffects%2Fenvironmentmap.cpp;h=6fb0e5c3b314656dca8361dc9b54544969c98c68;hb=38712d8ecc57d043a2419ffbaeeb57f7a6586f14;hp=315390b1ca81664c47a2a5c940ef445ee94faa97;hpb=f19366d32cc29287a2730cfba90893e407754081;p=libs%2Fgl.git

diff --git a/source/effects/environmentmap.cpp b/source/effects/environmentmap.cpp
index 315390b1..6fb0e5c3 100644
--- a/source/effects/environmentmap.cpp
+++ b/source/effects/environmentmap.cpp
@@ -17,6 +17,7 @@ EnvironmentMap::EnvironmentMap(unsigned s, PixelFormat f, Renderable &r, Rendera
 
 EnvironmentMap::EnvironmentMap(unsigned s, PixelFormat f, unsigned l, Renderable &r, Renderable &e):
 	Effect(r),
+	size(s),
 	environment(e),
 	irradiance_shprog(Resources::get_global().get<Program>("_envmap_irradiance.glsl.shader")),
 	specular_shprog(Resources::get_global().get<Program>("_envmap_specular.glsl.shader")),
@@ -27,11 +28,6 @@ EnvironmentMap::EnvironmentMap(unsigned s, PixelFormat f, unsigned l, Renderable
 	if(!l || (1U<<(l-1))>=s)
 		throw invalid_argument("EnvironmentMap::EnvironmentMap");
 
-	size = s;
-	rendered = false;
-	update_interval = 1;
-	update_delay = 0;
-
 	env_tex.storage(f, size, l);
 	depth_buf.storage(DEPTH_COMPONENT32F, size, size, 1);
 	for(unsigned i=0; i<6; ++i)
@@ -79,6 +75,12 @@ 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 +115,22 @@ 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);