Remove Spatialhash:getNeighbors() in favor of :inRange()

init.lua

@@ -108,13 +108,13 @@ local function new_shape(self, shape)
 	end
 
 	function shape:neighbors()
-		local x1,y1, x2,y2 = self:bbox()
-		return pairs(hash:getNeighbors(self, x1,y1, x2,y2))
+		local neighbors = hash:inRange(self:bbox())
+		rawset(neighbors, self, nil)
+		return neighbors
 	end
 
 	function shape:_removeFromHash()
-		local x1,y1, x2,y2 = self:bbox()
-		hash:remove(shape, x1,y1, x2,y2)
+		return hash:remove(shape, self:bbox())
 	end
 
 	return shape

spatialhash.lua

@@ -137,12 +137,6 @@ function Spatialhash:update(obj, old_x1,old_y1, old_x2,old_y2, new_x1,new_y1, ne
 	end
 end
 
-function Spatialhash:getNeighbors(obj, x1,y1, x2,y2)
-	local set = self:inRange(x1,y1, x2,y2)
-	rawset(set, obj, nil)
-	return set
-end
-
 function Spatialhash:draw(how, show_empty, print_key)
 	if show_empty == nil then show_empty = true end
 	for k1,v in pairs(self.cells) do