added swipe contorls to fly controls component

src/game-lib-component-fly-controls.js

@@ -134,6 +134,47 @@ GameLib.D3.ComponentFlyControls.prototype.onSetParentEntity = function(
         document.exitPointerLock = document.exitPointerLock || document.mozExitPointerLock || document.webkitExitPointerLock;
     }
 
+    // Swipe
+
+    document.addEventListener('touchstart', function(evt) {
+
+        component.xDown = evt.touches[0].clientX;
+        component.yDown = evt.touches[0].clientY;
+
+    }, false);
+
+    document.addEventListener('touchmove', function(evt) {
+
+        if ( ! component.xDown || ! component.yDown ) {
+            return;
+        }
+
+        var xUp = evt.touches[0].clientX;
+        var yUp = evt.touches[0].clientY;
+
+        var xDiff = component.xDown - xUp;
+        var yDiff = component.yDown - yUp;
+
+        if ( Math.abs( xDiff ) > Math.abs( yDiff ) ) {/*most significant*/
+            if ( xDiff > 0 ) {
+                /* left swipe */
+            } else {
+                /* right swipe */
+            }
+        } else {
+            if ( yDiff > 0 ) {
+                /* up swipe */
+            } else {
+                /* down swipe */
+            }
+        }
+
+        component.yaw -= xDiff * 0.002;
+        component.pitch -= yDiff * 0.002;
+
+    }, false);
+
+
 
     // Mouse move
     document.addEventListener('mousemove', function (event) {