basic culling tests

1 files changed, 6 insertions, 2 deletions

diff --git a/public/assets/javascripts/rectangles/engine/rooms/clipper.js b/public/assets/javascripts/rectangles/engine/rooms/clipper.js
index cd45479..365ae8c 100644
--- a/public/assets/javascripts/rectangles/engine/rooms/clipper.js
+++ b/public/assets/javascripts/rectangles/engine/rooms/clipper.js
@@ -41,7 +41,7 @@
 			app.tube("clip")
 		}
 	
-		var rooms, regions
+		var regions
 	
 		// Given a set of overlapping rooms, clip any intersections, then cull any duplicate polygons
 		base.solve_rects = function(){
@@ -59,6 +59,7 @@
 	
 		// Reset the clipping/culling states of each of the rooms
 		base.reset_rects = function(){
+			regions = []
 			Rooms.forEach(function(room){
 				room.reset()
 			})
@@ -67,7 +68,6 @@
 		// Compare each room to the rooms it overlaps, and subdivide
 		base.clip_rects = function(){
 			var rooms = Rooms.sorted_by_position()
-			regions = []
 
 			var left, right
 			for (var i = 0; i < rooms.length; i++) {
@@ -89,6 +89,8 @@
 				rooms[i].regions = rooms[i].regions.filter(function(r){ return !!r })
 				regions = regions.concat(rooms[i].regions)
 			}
+			
+			return regions
 		}
 	
 		// Find overlapping regions (of the same size) and dedupe
@@ -125,6 +127,8 @@
 					ttx.data = new Tree (regions[i].y.a, [regions[i]])
 				}
 			}
+			
+			return regions
 		}
 
 		return base