lib/fusuma/swipe.rb in fusuma-0.2.2 vs lib/fusuma/swipe.rb in fusuma-0.2.3

@@ -1,9 +1,10 @@
 module Fusuma
-  # manage actions
+  # vector data
   class Swipe
     BASE_THERESHOLD = 20
+    INTERVAL_TIME   = 0.5
 
     def initialize(x, y)
       @x = x
       @y = y
     end
@@ -12,15 +13,39 @@
     def direction
       return x > 0 ? 'right' : 'left' if x.abs > y.abs
       y > 0 ? 'down' : 'up'
     end
 
-    def enough_distance?
+    def enough?
       MultiLogger.debug(x: x, y: y)
+      enough_distance? && enough_interval? && self.class.touch_last_time
+    end
+
+    private
+
+    def enough_distance?
       (x.abs > threshold) || (y.abs > threshold)
     end
 
+    def enough_interval?
+      return true if first_time?
+      return true if (Time.now - self.class.last_time) > INTERVAL_TIME
+      false
+    end
+
+    def first_time?
+      self.class.last_time.nil?
+    end
+
     def threshold
       @threshold ||= BASE_THERESHOLD * Config.threshold('swipe')
+    end
+
+    class << self
+      attr_reader :last_time
+
+      def touch_last_time
+        @last_time = Time.now
+      end
     end
   end
 end