create new tower and the first stage

lib/js_warrior/abilities/direction_of_stairs.coffee

@@ -0,0 +1,12 @@
+{Sense} = require('./sense')
+{_} = require('underscore')
+
+class DirectionOfStairs extends Sense
+  description: ->
+    "Returns the direction ('left', 'right', 'forward', 'backward') the stairs are from your location."
+
+  perform: ->
+    @unit.position.relativeDirectionOfStairs()
+
+root = exports ? window
+root.DirectionOfStairs = DirectionOfStairs

towers/intermediate/level_001.coffee

@@ -0,0 +1,19 @@
+# ------
+# | |
+# |@ |
+# | |
+# | > |
+# ------
+
+exports.level = ->
+
+  @description "Silence. The room feels large, but empty. Luckily you have a map of this tower to help find the stairs."
+  @tip "Use warrior.direction_of_stairs() to determine which direction stairs are located. Pass this to warrior.walk() to walk in that direction."
+
+  @time_bonus 20
+  @ace_score 19
+  @size 6, 4
+  @stairs 2, 3
+
+  @warrior 0, 1, 'east', ->
+    @add_abilities 'walk', 'feel', 'direction_of_stairs'