Ball implemented, started work on game AI

proto2/autoloads/characters.gd

@@ -12,3 +12,6 @@ func _ready():
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 #func _process(delta):
 #	pass
+#func _physics_process(delta):
+#	for obj in get_tree().get_nodes_in_group("characters"):
+#		pass