diff --git a/ff0fsum4zx.js b/ff0fsum4zx.js
index 8556b35..638c034 100644
--- a/ff0fsum4zx.js
+++ b/ff0fsum4zx.js
@@ -79,7 +79,9 @@ this.ballY = this.football.instance.geometry.boundingSphere.radius / 2;
 
 this.activeBall = null;
 
-this.invertMouse = false;
+this.invertY = false;
+
+this.invertX = false;
 
 if (this.debug) {
     this.arrowHelper = new THREE.ArrowHelper(
@@ -306,13 +308,21 @@ R3.CustomCode.prototype.render = function(delta) {
 
 R3.CustomCode.prototype.move = function(data) {
 
-    var x = data.x || 0;
-    
+    var x = 0;
+	
+	if (data && data.x) {
+		if (this.invertX) {
+			x = data.x;
+		} else {
+			x = -data.x;
+		}
+	}
+	
 	var y = 0;
 	
 	if (data && data.y) {
 		
-		if (this.invertMouse) {
+		if (this.invertY) {
 			y = data.y;
 		} else {
 			y = -data.y;