--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/+noname/Animation.m	Wed Oct 11 16:01:02 2017 +0200
@@ -0,0 +1,73 @@
+classdef Animation < handle
+    properties
+        timeStepper
+        representationMaker
+        updaters
+    end
+
+    % add input validation
+
+    methods
+        function obj = Animation(timeStepper, representationMaker, updaters);
+            obj.timeStepper = timeStepper;
+            obj.updaters = updaters;
+            obj.representationMaker = representationMaker;
+        end
+
+        function update(obj, r)
+            for i = 1:length(obj.updaters)
+                obj.updaters{i}(r);
+            end
+            drawnow
+        end
+
+        function run(obj, tEnd, timeModifier, do_pause)
+            default_arg('do_pause', false)
+
+            function next_t = G(next_t)
+                obj.timeStepper.evolve(next_t);
+                r = obj.representationMaker(obj.timeStepper);
+                obj.update(r);
+
+                if do_pause
+                    pause
+                end
+            end
+
+            anim.animate(@G, obj.timeStepper.t, tEnd, timeModifier);
+        end
+
+        function step(obj, tEnd, do_pause)
+            default_arg('do_pause', false)
+
+            while obj.timeStepper.t < tEnd
+                obj.timeStepper.step();
+
+                r = obj.representationMaker(obj.timeStepper);
+                obj.update(r);
+
+                if do_pause
+                    pause
+                end
+            end
+        end
+
+        function saveMovie(obj, tEnd, timeModifier, figureHandle, dirname)
+            save_frame = anim.setup_fig_mov(figureHandle, dirname);
+
+            function next_t = G(next_t)
+                obj.timeStepper.evolve(next_t);
+                r = obj.representationMaker(obj.timeStepper);
+                obj.update(r);
+
+                save_frame();
+            end
+
+            fprintf('Generating and saving frames to: ..\n')
+            anim.animate(@G, obj.timeStepper.t, tEnd, timeModifier);
+            fprintf('Generating movies...\n')
+            cmd = sprintf('bash %s/+anim/make_movie.sh %s', sbplibLocation(),dirname);
+            system(cmd);
+        end
+    end
+end