1 files changed, 9 insertions, 2 deletions
diff --git a/john.lua b/john.lua
index fa6bd08..82f309c 100644
--- a/john.lua
+++ b/john.lua
@@ -15,8 +15,15 @@ if monitors == nil or #monitors < 1 then
 end
 
 fb:ppm(fs.open("img/john.pnm","rb"))
-print("size!!",fb:get_size())
-local xoffs = 0
+local W,H = fb:get_size()
+
+local total_width = 0
+for ix,iname in ipairs(monitors) do
+	local mon = peripheral.wrap(iname)
+	total_width = total_width + (mon.getSize())
+end
+local leftover = total_width - W
+local xoffs = math.floor(leftover/2)
 
 for ix,iname in ipairs(monitors) do
 	print("doing",ix,iname)