1 files changed, 32 insertions, 0 deletions
diff --git a/libs/surfaces/mackie/scripts/bank.rb b/libs/surfaces/mackie/scripts/bank.rb
new file mode 100644
index 0000000000..e1482545ee
--- /dev/null
+++ b/libs/surfaces/mackie/scripts/bank.rb
@@ -0,0 +1,32 @@
+#! /usr/bin/ruby
+
+class Bank
+	attr_accessor :routes, :strips, :current
+	
+	def initialize( routes = 17, strips = 8, current = 0 )
+		@routes = routes
+		@strips = strips
+		@current = current
+	end
+	
+	def left
+    new_initial = current - routes
+    if new_initial < 0
+      new_initial = 0
+    end
+    current = new_initial
+    self
+	end
+	
+	def right
+    delta = routes - ( strips + current ) - 1
+    puts "delta: #{delta}"
+    if delta > strips
+      delta = strips
+    end
+    @current += delta
+    self
+	end
+end
+
+b=Bank.new