Left clipping plane update. Bug 7311919

Change-Id: Ia3e9f0a6b3b1aef1441fd923450b4bcdcc35b825
diff --git a/src/com/android/noisefield/NoiseFieldRS.java b/src/com/android/noisefield/NoiseFieldRS.java
index 2ea4878..ea74db4 100644
--- a/src/com/android/noisefield/NoiseFieldRS.java
+++ b/src/com/android/noisefield/NoiseFieldRS.java
@@ -95,7 +95,7 @@
             m1.loadFrustum(-aspect, aspect, -1, 1, 1, 100);
         } else {
             float aspect = ((float) h) / w;
-            m1.loadFrustum(-1, 1, -aspect, aspect, 1, 100);
+            m1.loadFrustum(-0.5f, 1, -aspect, aspect, 1, 100);
         }
 
         m2.loadRotate(180, 0, 1, 0);