From 3fb92acf46f08f42e4ed61a76006fc94950b9d44 Mon Sep 17 00:00:00 2001
From: Victor <melnikukr@mail.ru>
Date: Tue, 14 Jan 2014 23:07:51 +0200
Subject: [PATCH] Validate pointer position

---
 src/com/annimon/influencexxii/Pointer.java | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/com/annimon/influencexxii/Pointer.java b/src/com/annimon/influencexxii/Pointer.java
index e190e22..16543cc 100644
--- a/src/com/annimon/influencexxii/Pointer.java
+++ b/src/com/annimon/influencexxii/Pointer.java
@@ -35,6 +35,7 @@ public class Pointer {
     public void update(int horizontal, int vertical) {
         x += horizontal * screenWidth / 50f;
         y += vertical * screenHeight / 50f;
+        validatePosition();
     }
     
     public void draw(ShapeRenderer renderer) {
@@ -54,5 +55,14 @@ public class Pointer {
         
         x += ax * screenWidth / 500f;
         y += ay * screenHeight / 500f;
+        validatePosition();
+    }
+    
+    private void validatePosition() {
+        if (x < 0) x = 0;
+        else if (x > screenWidth) x = screenWidth;
+        
+        if (y < 0) y = 0;
+        else if (y > screenHeight) y = screenHeight;
     }
 }
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