diff --git a/examples/drag.php b/examples/drag.php
new file mode 100644
index 00000000..8ee651eb
--- /dev/null
+++ b/examples/drag.php
@@ -0,0 +1,43 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+    <title>phaser.js - a new beginning</title>
+    <?php
+        require('js.php');
+    ?>
+</head>
+<body>
+
+<script type="text/javascript">
+
+(function () {
+
+    var game = new Phaser.Game(800, 600, Phaser.AUTO, '', { preload: preload, create: create });
+
+    function preload() {
+
+        game.load.image('grid', 'assets/tests/debug-grid-1920x1920.png');
+        game.load.image('atari', 'assets/sprites/atari800xl.png');
+
+    }
+
+    function create() {
+
+        game.add.sprite(0, 0, 'grid');
+
+        atari1 = game.add.sprite(300, 300, 'atari');
+
+        //  Input Enable the sprites
+        atari1.inputEnabled = true;
+
+        //  Allow dragging
+        //  enableDrag parameters = (lockCenter, bringToTop, pixelPerfect, alphaThreshold, boundsRect, boundsSprite)
+        atari1.input.enableDrag(true);
+
+    }
+
+})();
+</script>
+
+</body>
+</html>
\ No newline at end of file
diff --git a/examples/snap.php b/examples/snap.php
new file mode 100644
index 00000000..bbc78ef4
--- /dev/null
+++ b/examples/snap.php
@@ -0,0 +1,54 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+    <title>phaser.js - a new beginning</title>
+    <?php
+        require('js.php');
+    ?>
+</head>
+<body>
+
+<script type="text/javascript">
+
+(function () {
+
+    var game = new Phaser.Game(800, 600, Phaser.AUTO, '', { preload: preload, create: create });
+
+    function preload() {
+
+        game.load.image('grid', 'assets/tests/debug-grid-1920x1920.png');
+        game.load.image('atari1', 'assets/sprites/atari130xe.png');
+        game.load.image('atari2', 'assets/sprites/atari800xl.png');
+
+    }
+
+    function create() {
+
+        game.add.sprite(0, 0, 'grid');
+
+        atari1 = game.add.sprite(128, 128, 'atari1');
+        atari2 = game.add.sprite(256, 256, 'atari2');
+
+        //  Input Enable the sprites
+        atari1.inputEnabled = true;
+        atari2.inputEnabled = true;
+
+        //  Allow dragging
+        //  enableDrag parameters = (lockCenter, bringToTop, pixelPerfect, alphaThreshold, boundsRect, boundsSprite)
+        atari1.input.enableDrag();
+        atari2.input.enableDrag();
+
+        //  Enable snapping. For the atari1 sprite it will snap as its dragged around and on release.
+        //  The snap is set to every 32x32 pixels.
+        atari1.input.enableSnap(32, 32, true, true);
+
+        //  For the atari2 sprite it will snap only when released, not on drag.
+        atari2.input.enableSnap(32, 32, false, true);
+
+    }
+
+})();
+</script>
+
+</body>
+</html>
\ No newline at end of file
diff --git a/src/gameobjects/Sprite.js b/src/gameobjects/Sprite.js
index 1497024f..a9fe40ae 100644
--- a/src/gameobjects/Sprite.js
+++ b/src/gameobjects/Sprite.js
@@ -313,6 +313,17 @@ Phaser.Sprite.prototype.preUpdate = function() {
 
 }
 
+/**
+ * Moves the sprite so its center is located on the given x and y coordinates.
+ * Doesn't change the origin of the sprite.
+ */
+Phaser.Sprite.prototype.centerOn = function(x, y) {
+
+    this.x = x + (this.x - this.center.x);
+    this.y = y + (this.y - this.center.y);
+
+}
+
 Phaser.Sprite.prototype.revive = function() {
 
     this.alive = true;
diff --git a/src/input/InputHandler.js b/src/input/InputHandler.js
index 35173284..41be1595 100644
--- a/src/input/InputHandler.js
+++ b/src/input/InputHandler.js
@@ -649,9 +649,10 @@ Phaser.InputHandler.prototype = {
     */
     enableDrag: function (lockCenter, bringToTop, pixelPerfect, alphaThreshold, boundsRect, boundsSprite) {
 
-        lockCenter = lockCenter || false;
-        bringToTop = bringToTop || false;
-        pixelPerfect = pixelPerfect || false;
+        if (typeof lockCenter == 'undefined') { lockCenter = false; }
+        if (typeof bringToTop == 'undefined') { bringToTop = false; }
+        if (typeof pixelPerfect == 'undefined') { pixelPerfect = false; }
+
         alphaThreshold = alphaThreshold || 255;
         boundsRect = boundsRect || null;
         boundsSprite = boundsSprite || null;
@@ -707,7 +708,7 @@ Phaser.InputHandler.prototype = {
 
         if (this.dragFromCenter)
         {
-            // this.sprite.transform.centerOn(pointer.worldX, pointer.worldY);
+            this.sprite.centerOn(pointer.x, pointer.y);
             this._dragPoint.setTo(this.sprite.x - pointer.x, this.sprite.y - pointer.y);
         }
         else
@@ -773,13 +774,13 @@ Phaser.InputHandler.prototype = {
     */
     enableSnap: function (snapX, snapY, onDrag, onRelease) {
 
-    	onDrag = onDrag || true;
-    	onRelease = onRelease || false;
+        if (typeof onDrag == 'undefined') { onDrag = true; }
+        if (typeof onRelease == 'undefined') { onRelease = false; }
 
-        this.snapOnDrag = onDrag;
-        this.snapOnRelease = onRelease;
         this.snapX = snapX;
         this.snapY = snapY;
+        this.snapOnDrag = onDrag;
+        this.snapOnRelease = onRelease;
 
     },
 
