more examples

examples/doodle.rb

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+require File.join(File.dirname(__FILE__), 'setup')
+
+interaction = Launchpad::Interaction.new
+
+current_color = {
+  :red    => :hi,
+  :green  => :hi,
+  :mode   => :normal
+}
+
+def update_scene_buttons(d, color)
+  on = {:red => :hi, :green => :hi}
+  d.change(:scene1, color[:red] == :hi ? on : {:red => :hi})
+  d.change(:scene2, color[:red] == :med ? on : {:red => :med})
+  d.change(:scene3, color[:red] == :lo ? on : {:red => :lo})
+  d.change(:scene4, color[:red] == :off ? on : {:red => :off})
+  d.change(:scene5, color[:green] == :hi ? on : {:green => :hi})
+  d.change(:scene6, color[:green] == :med ? on : {:green => :med})
+  d.change(:scene7, color[:green] == :lo ? on : {:green => :lo})
+  d.change(:scene8, color[:green] == :off ? on : {:green => :off})
+  d.change(:user1, :green => color[:mode] == :normal ? :lo : :hi, :mode => :flashing)
+  d.change(:user2, :green => color[:mode] == :normal ? :hi : :lo)
+end
+
+def choose_color(color, opts)
+  lambda do |interaction, action|
+    color.update(opts)
+    update_scene_buttons(interaction.device, color)
+  end
+end
+
+# register color picker interactors on scene buttons
+interaction.response_to(:scene1, :down, &choose_color(current_color, :red => :hi))
+interaction.response_to(:scene2, :down, &choose_color(current_color, :red => :med))
+interaction.response_to(:scene3, :down, &choose_color(current_color, :red => :lo))
+interaction.response_to(:scene4, :down, &choose_color(current_color, :red => :off))
+interaction.response_to(:scene5, :down, &choose_color(current_color, :green => :hi))
+interaction.response_to(:scene6, :down, &choose_color(current_color, :green => :med))
+interaction.response_to(:scene7, :down, &choose_color(current_color, :green => :lo))
+interaction.response_to(:scene8, :down, &choose_color(current_color, :green => :off))
+
+# register mode picker interactors on user buttons
+interaction.response_to(:user1, :down, &choose_color(current_color, :mode => :flashing))
+interaction.response_to(:user2, :down, &choose_color(current_color, :mode => :normal))
+
+# update scene buttons and start flashing
+update_scene_buttons(interaction.device, current_color)
+interaction.device.flashing_auto
+
+# feedback for grid buttons
+interaction.response_to(:grid, :down) do |interaction, action|
+  #coord = 16 * action[:y] + action[:x]
+  #brightness = flags[coord] ? :off : :hi
+  #flags[coord] = !flags[coord]
+  interaction.device.change(:grid, action.merge(current_color))
+end
+
+# mixer button terminates interaction on button up
+interaction.response_to(:mixer) do |interaction, action|
+  interaction.device.change(:mixer, :red => action[:state] == :down ? :hi : :off)
+  interaction.stop if action[:state] == :up
+end
+
+# start interacting
+interaction.start
+
+# sleep so that the messages can be sent before the program terminates
+sleep 0.1

examples/drawing_board.rb

@@ -0,0 +1,25 @@
+require File.join(File.dirname(__FILE__), 'setup')
+
+interaction = Launchpad::Interaction.new
+
+flags = Hash.new(false)
+
+# yellow feedback for grid buttons
+interaction.response_to(:grid, :down) do |interaction, action|
+  coord = 16 * action[:y] + action[:x]
+  brightness = flags[coord] ? :off : :hi
+  flags[coord] = !flags[coord]
+  interaction.device.change(:grid, action.merge(:red => brightness, :green => brightness))
+end
+
+# mixer button terminates interaction on button up
+interaction.response_to(:mixer) do |interaction, action|
+  interaction.device.change(:mixer, :red => action[:state] == :down ? :hi : :off)
+  interaction.stop if action[:state] == :up
+end
+
+# start interacting
+interaction.start
+
+# sleep so that the messages can be sent before the program terminates
+sleep 0.1