1 files changed, 34 insertions, 9 deletions
diff --git a/public/assets/javascripts/rectangles/engine/map/ui_editor.js b/public/assets/javascripts/rectangles/engine/map/ui_editor.js
index 4b5f784..c5c996c 100644
--- a/public/assets/javascripts/rectangles/engine/map/ui_editor.js
+++ b/public/assets/javascripts/rectangles/engine/map/ui_editor.js
@@ -58,7 +58,7 @@ Map.UI.Editor = function(map){
 
       UndoStack.push({
         type: "destroy-room",
-        prev: room.clone(),
+        prev: room.copy(),
         next: { id: room.id },
       })
 
@@ -165,23 +165,36 @@ Map.UI.Editor = function(map){
         UndoStack.push({
           type: "create-room",
           prev: { id: room.id },
-          next: room.clone()
+          next: room.copy()
         })
         
 				app.tube("builder-pick-room", room)
 			}
 		}
 		
-		if (base.resizing) {
-			base.dragging.rect.resize()
-		}
-		else if (base.dragging) {
-			base.dragging.rect.translate()
-		}
+    if (base.resizing || base.dragging) {
 
+      var oldState = base.dragging.copy()
+      
+      if (base.resizing) {
+        base.dragging.rect.resize()
+      }
+      else if (base.dragging) {
+        base.dragging.rect.translate()
+      }
+      
+      UndoStack.push({
+        type: "update-room",
+        prev: oldState,
+        next: base.dragging.copy()
+      })
+    }
+    
 		base.creating = base.dragging = base.resizing = false
 	}
 
+  var wheelState, wheelTimeout
+
 	function mousewheel (e, val, delta){
 		var cursor = base.mouse.cursor
 
@@ -190,8 +203,20 @@ Map.UI.Editor = function(map){
 		})
 		
 		if (intersects.length) {
+			wheelState = wheelState || intersects[0].copy()
+			
 			intersects[0].height = clamp( ~~(intersects[0].height - delta), height_min, height_max )
-			Rooms.clipper.update()
+			
+			clearTimeout(wheelTimeout)
+			wheelTimeout = setTimeout(function(){
+        UndoStack.push({
+          type: "update-room",
+          prev: wheelState,
+          next: intersects[0].copy()
+        })
+        Rooms.clipper.update()
+        wheelState = null
+			}, 500)
 		}
 		else {
 			map.set_zoom(map.zoom_exponent - delta/20)