X-Git-Url: https://jasonwoof.com/gitweb/?p=hexbog.git;a=blobdiff_plain;f=main.coffee;fp=main.coffee;h=89bc69503ccad5ab719cfaeae58fd7dd18994afc;hp=c5b9da302efa11c2dd0fec997e1ddb53fbbec84c;hb=f22ca7c08d0628d1b4a021820afdd406b4e826a0;hpb=aed244ef71e5c9a8100f09c31a721fc91269eb5d

diff --git a/main.coffee b/main.coffee
index c5b9da3..89bc695 100644
--- a/main.coffee
+++ b/main.coffee
@@ -449,11 +449,14 @@ blip_selection = ->
 			for t in b.down
 				unsink t
 		else
-			while b.flips > 0 and b.down.length > 0
+			down_count = b.down.length
+			while b.flips > 0 and down_count
 				b.flips -= 1
-				flipper = Math.floor(Math.random() * b.down.length)
+				flipper = Math.floor(Math.random() * down_count)
 				unsink b.down[flipper]
-				b.down = [b.down[0...flipper]..., b.down[flipper+1...b.down.length]...]
+				down_count -= 1
+				# move the last tile back into range
+				b.down[flipper] = b.down[down_count]
 		if b.force > 0
 			for t in b.up
 				t.new_hp = t.hp + b.force