Distorted Android

{

   private static final int LEAF_SIZE = 100;

   private static final int NUM_CIRCLES = 5;

   private GLSurfaceView mView;

   private DistortedNode mScreen;

    public void onDrawFrame(GL10 glUnused) 

      {

      GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);

      mScreen.draw(System.currentTimeMillis());

      }

    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 

      {

      InputStream is = mView.getContext().getResources().openRawResource(R.raw.leaf);

      Bitmap leaf;