render thumbnails as masks

1 files changed, 10 insertions, 0 deletions

diff --git a/public/assets/javascripts/rectangles/engine/rooms/_rooms.js b/public/assets/javascripts/rectangles/engine/rooms/_rooms.js
index 6f96275..0c3cfd4 100644
--- a/public/assets/javascripts/rectangles/engine/rooms/_rooms.js
+++ b/public/assets/javascripts/rectangles/engine/rooms/_rooms.js
@@ -118,6 +118,16 @@
       return data
 		}
 
+    base.extent = function(){
+      var extent = new Rect ( new vec2(Infinity, -Infinity), new vec2(Infinity, -Infinity) )
+
+      base.forEach(function(room){
+        extent.expand(room.rect)
+      })
+    
+      return extent
+    }
+
 		base.sorted_by_position = function(){
 			return sort.rooms_by_position( base.values() )
 		}