commit 0c46991ff3eb065cdcf48018f8f5e3459db38b61
Author: Leszek Koltunski <leszek@koltunski.pl>
Date:   Wed Oct 26 00:25:47 2022 +0200

    Minor

diff --git a/src/main/java/org/distorted/examples/objecttree/ObjectTreeRenderer.java b/src/main/java/org/distorted/examples/objecttree/ObjectTreeRenderer.java
index 68ce512..a6bb957 100644
--- a/src/main/java/org/distorted/examples/objecttree/ObjectTreeRenderer.java
+++ b/src/main/java/org/distorted/examples/objecttree/ObjectTreeRenderer.java
@@ -59,15 +59,16 @@ class ObjectTreeRenderer implements GLSurfaceView.Renderer, DistortedLibrary.Exc
    private static final int NODE_FBO_SIZE = 300;
    private static final int GRID = 10;
 
-   private GLSurfaceView mView;
-   private DistortedEffects mEffectsNode, mEffectsGrid;
+   private final GLSurfaceView mView;
+   private final DistortedEffects mEffectsNode,mEffectsGrid;
+   private final DistortedScreen mScreen;
+   private final Static3D mScale;
+
    private DistortedTexture mLisaTexture, mGridTexture;
-   private DistortedScreen mScreen;
    private DistortedNode mRoot;
    private MeshQuad mMeshQuad;
    private MeshCubes mMeshCubes;
    private boolean mDepth;
-   private Static3D mScale;
    private float mLisaAspectRatio;
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
@@ -171,7 +172,7 @@ class ObjectTreeRenderer implements GLSurfaceView.Renderer, DistortedLibrary.Exc
           isLisa.close();
           isGrid.close();
           } 
-        catch(IOException e) { }
+        catch(IOException ignored) { }
         }  
 
       mLisaAspectRatio = ((float)bitmapLisa.getWidth())/bitmapLisa.getHeight();