Marcel Taeumel uploaded a new version of MorphicExtras to project The Trunk:
http://source.squeak.org/trunk/MorphicExtras-mt.174.mcz

==================== Summary ====================

Name: MorphicExtras-mt.174
Author: mt
Time: 17 May 2016, 2:20:29.347089 pm
UUID: b22e6fc2-bfaf-de4f-930c-c192fc6dacd0
Ancestors: MorphicExtras-mt.173

Add a simple check whether there are flaps visible in a world.

=============== Diff against MorphicExtras-mt.173 ===============

Item was added:
+ ----- Method: Flaps class>>anyFlapsVisibleIn: (in category 'testing') -----
+ anyFlapsVisibleIn: aWorld
+ 
+ 	aWorld submorphsDo: [:m |
+ 		(m isKindOf: FlapTab) ifTrue: [^ true]].
+ 	
+ 	^ false!