Added support for deadzones in analogue sticks

Author: andrew

Readme.md

@@ -39,7 +39,6 @@ Mac OSX driver: http://tattiebogle.net/index.php/ProjectRoot/Xbox360Controller/O
 
 ## TODO
 
-* stick deadzones
 * rumble control
 * led control
 

lib/xbox.js

@@ -3,6 +3,7 @@ var HID = require('node-hid'),
     colors = require('colors'),
     events = require('events');
 
+var dead = 6000;
 
 var buttons = {
   'dup': {
@@ -144,6 +145,13 @@ XboxController.prototype.interpretData = function(error, data) {
     var lefty = uint8Toint16(data[8], data[9])
 
     if(leftx ^ this.leftx | lefty ^ this.lefty){
+      if (leftx > -1*dead && leftx < dead ){
+        leftx = 0
+      }
+      if (lefty > -1*dead && lefty < dead ){
+        lefty = 0
+      }
+      
       this.emit('left:move', {x: leftx, y: lefty})
       this.leftx = leftx
       this.lefty = lefty
@@ -153,6 +161,12 @@ XboxController.prototype.interpretData = function(error, data) {
     var righty = uint8Toint16(data[12], data[13])
 
     if(rightx ^ this.rightx | righty ^ this.righty){
+      if (rightx > -1*dead && rightx < dead ){
+        rightx = 0
+      }
+      if (righty > -1*dead && righty < dead ){
+        righty = 0
+      }
       this.emit('right:move', {x: rightx, y: righty})
       this.rightx = rightx
       this.righty = righty