diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/framework/RWT/RWTLayers.java b/app/src/main/java/org/ntlab/radishforandroidstudio/framework/RWT/RWTLayers.java
index c45d137..9a3c9df 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/framework/RWT/RWTLayers.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/framework/RWT/RWTLayers.java
@@ -5,12 +5,19 @@
 import org.ntlab.radishforandroidstudio.java3d.GraphicsContext3D;
 
 import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.TreeMap;
 
 public class RWTLayers {
-    private TreeMap<Integer, ArrayList<RWTLayer>> layers = new TreeMap();
+    private TreeMap<Integer, ArrayList<RWTLayer>> layers = new TreeMap(
+            new Comparator<Integer>() {
+                public int compare(Integer m, Integer n){
+                    return ((Integer)m).compareTo(n) * -1;
+                }
+            }
+    );
 
     public RWTLayers() {
 
diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/spriteTest/TestActivity.java b/app/src/main/java/org/ntlab/radishforandroidstudio/spriteTest/TestActivity.java
index b4ae5a3..e041a16 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/spriteTest/TestActivity.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/spriteTest/TestActivity.java
@@ -124,15 +124,17 @@
         layer[0].addDrawable(sprite[0]);
 
         sprite[1] = new RWTSprite();
-        sprite[1].setTexture(getResources(), R.drawable.wadahand, true);
+        sprite[1].setTexture(getResources(), R.drawable.wadahand, false);
         sprite[1].setPosition(100, 100);
         layer[1].addDrawable(sprite[1]);
 
         sprite[2] = new RWTSprite();
-        sprite[2].setTexture(getResources(), R.drawable.tss_thumb, true);
+        sprite[2].setTexture(getResources(), R.drawable.tss_thumb, false);
         sprite[2].setPosition(100, 100);
         layer[2].addDrawable(sprite[2]);
 
+
+
         start(10);
     }