stabilizing

src/Affection/Draw.hs

@@ -46,7 +46,7 @@ drawRect node color Fill rect@GeglRectangle{..} buf = do
     , G.Property "color"  $ G.PropertyColor color
     ]
   diw <- liftIO $ G.gegl_node_connect_to opNode "output" node "input"
-  unless diw $ error "Affection.Draw.drawRect': connect failed"
+  unless diw $ error "Affection.Draw.drawRect: connect failed"
   put $ ad
     { drawStack = (DrawRequest rect buf (Kill (Just tempRoot))) : drawStack ad
     }

src/Affection/Particle.hs

@@ -39,21 +39,21 @@ updateParticle time funct pa = do
   now <- elapsedTime <$> get
   if particleCreation pa + particleTimeToLive pa < now
   then do
-    mproducer <- liftIO $ G.gegl_node_get_producer
-      (particleStackCont pa)
-      "input"
-    case mproducer of
-      Just (producer, padname) -> do
-        consumers <- liftIO $ G.gegl_node_get_consumers
-          (particleStackCont pa)
-          "output"
-        liftIO $ mapM_ (\(node, inpad)-> G.gegl_node_connect_to
-          producer
-          padname
-          node
-          inpad
-          ) consumers
-      Nothing -> return ()
+    -- mproducer <- liftIO $ G.gegl_node_get_producer
+    --   (particleStackCont pa)
+    --   "input"
+    -- case mproducer of
+    --   Just (producer, padname) -> do
+    --     consumers <- liftIO $ G.gegl_node_get_consumers
+    --       (particleStackCont pa)
+    --       "output"
+    --     liftIO $ mapM_ (\(node, inpad)-> G.gegl_node_connect_to
+    --       producer
+    --       padname
+    --       node
+    --       inpad
+    --       ) consumers
+    --   Nothing -> return ()
     liftIO $ G.gegl_node_drop $ particleRootNode pa
     return $ Nothing
   else do
@@ -119,6 +119,7 @@ updateParticleSystem sys sec upd draw = do
   x <- catMaybes <$> mapM (updateParticle sec upd) (partStorList $ partSysParts sys)
   -- x <- catMaybes <$> foldM (updateParticle sec upd) [] (reverse $ psParts sys)
   when (not $ null x) $ do
+    liftIO $ G.gegl_node_link_many $ map particleStackCont (partStorList $ partSysParts sys)
     -- liftIO $ traceIO "linking last node to output"
     liftIO $ G.gegl_node_link (particleStackCont $ last x) (partSysNode sys)
   mapM_ (draw (partSysBuffer sys) (partSysNode sys)) x