Add gamepad controller support for the game

bkcore.coffee/controllers/GamepadController.coffee

@@ -0,0 +1,40 @@
+###
+  GamepadController (Orientation + buttons) for touch devices
+
+  @class bkcore.GamepadController
+  @author Mahesh Kulkarni <http://twitter.com/maheshkk>
+###
+class GamepadController
+
+  @isCompatible: ->
+    return ('getGamepads' of navigator) or ('webkitGetGamepads' of navigator)
+
+  ###
+    Creates a new GamepadController
+  ###
+  constructor: (@buttonPressCallback) ->
+    @active = true
+    @leftStickArray = []
+    @rightStickArray = []
+
+  ###
+    @public
+  ###
+  updateAvailable: ->
+    return false if not @active
+    gamepads = if navigator.getGamepads then navigator.getGamepads() else navigator.webkitGetGamepads()
+    return false if not gamepads?[0]
+    gp = gamepads[0]
+    return if not gp.buttons? or not gp.axes?
+    @acceleration = gp.buttons[0]
+    @lstickx = gp.axes[0]
+    @ltrigger = gp.buttons[6]
+    @rtrigger = gp.buttons[7]
+    @select = gp.buttons[8]
+    @buttonPressCallback this
+    true
+
+exports = exports ? @
+exports.bkcore ||= {}
+exports.bkcore.controllers ||= {}
+exports.bkcore.controllers.GamepadController = GamepadController

bkcore.coffee/controllers/GamepadController.js

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+// Generated by CoffeeScript 1.6.3
+/*
+  GamepadController (Orientation + buttons) for touch devices
+
+  @class bkcore.GamepadController
+  @author Mahesh Kulkarni <http://twitter.com/maheshkk>
+*/
+
+
+(function() {
+  var GamepadController, exports, _base;
+
+  GamepadController = (function() {
+    GamepadController.isCompatible = function() {
+      return ('getGamepads' in navigator) || ('webkitGetGamepads' in navigator);
+    };
+
+    /*
+      Creates a new GamepadController
+    */
+
+
+    function GamepadController(buttonPressCallback) {
+      this.buttonPressCallback = buttonPressCallback;
+      this.active = true;
+      this.leftStickArray = [];
+      this.rightStickArray = [];
+    }
+
+    /*
+      @public
+    */
+
+
+    GamepadController.prototype.updateAvailable = function() {
+      var gamepads, gp;
+      if (!this.active) {
+        return false;
+      }
+      gamepads = navigator.getGamepads ? navigator.getGamepads() : navigator.webkitGetGamepads();
+      if (!(gamepads != null ? gamepads[0] : void 0)) {
+        return false;
+      }
+      gp = gamepads[0];
+      if ((gp.buttons == null) || (gp.axes == null)) {
+        return;
+      }
+      this.acceleration = gp.buttons[0];
+      this.lstickx = gp.axes[0];
+      this.ltrigger = gp.buttons[6];
+      this.rtrigger = gp.buttons[7];
+      this.select = gp.buttons[8];
+      this.buttonPressCallback(this);
+      return true;
+    };
+
+    return GamepadController;
+
+  })();
+
+  exports = exports != null ? exports : this;
+
+  exports.bkcore || (exports.bkcore = {});
+
+  (_base = exports.bkcore).controllers || (_base.controllers = {});
+
+  exports.bkcore.controllers.GamepadController = GamepadController;
+
+}).call(this);