diff --git a/src/sig/DrawLoop.java b/src/sig/DrawLoop.java
new file mode 100644
index 0000000..28b9ee7
--- /dev/null
+++ b/src/sig/DrawLoop.java
@@ -0,0 +1,28 @@
+package sig;
+
+import sig.engine.Panel;
+import sig.engine.Sprite;
+
+public class DrawLoop {
+    public static Panel panel;
+    public static void drawGame(Panel panel) {
+        DrawLoop.panel=panel;
+        int[] p = panel.pixel;
+        
+		for (int y=0;y<panel.getHeight();y++) {
+			for (int x=0;x<panel.getWidth();x++) {
+        		p[y*panel.getWidth()+x]=(0<<16)+(0<<8)+0;//RGB
+        	}
+        }
+		Draw_Sprite(panel.nanaX,panel.nanaY,Sprite.NANA);
+    }
+
+	public static void Draw_Sprite(double x, double y, Sprite sprite){
+		int[] p = panel.pixel;
+		for(int X=0;X<sprite.getHeight();X++){
+			for(int Y=0;Y<sprite.getWidth();Y++){
+				p[(Y+(int)y)*panel.getWidth()+X+(int)x] = sprite.getBi_array()[Y*sprite.getWidth()+X];
+			}	
+		}
+	}
+}
diff --git a/src/sig/engine/Panel.java b/src/sig/engine/Panel.java
index 921943c..a289818 100644
--- a/src/sig/engine/Panel.java
+++ b/src/sig/engine/Panel.java
@@ -19,6 +19,7 @@ import javax.swing.JPanel;
 import javax.swing.event.MouseInputListener;
 import java.awt.event.KeyListener;
 
+import sig.DrawLoop;
 import sig.RabiClone;
 
 public class Panel extends JPanel implements Runnable,ComponentListener,KeyListener {
@@ -158,13 +159,7 @@ public class Panel extends JPanel implements Runnable,ComponentListener,KeyListe
 		resizeUpdate();
         int[] p = pixel; // this avoid crash when resizing
         //a=h/w
-        
-		for (int y=0;y<getHeight();y++) {
-			for (int x=0;x<getWidth();x++) {
-        		p[y*getWidth()+x]=(0<<16)+(0<<8)+0;//RGB
-        	}
-        }
-		Draw_Sprite(nanaX,nanaY,Sprite.NANA);
+		DrawLoop.drawGame(this);
     }
 
 	private void resizeUpdate() {
@@ -344,15 +339,6 @@ public class Panel extends JPanel implements Runnable,ComponentListener,KeyListe
 		}
 	}
 
-	public void Draw_Sprite(double x, double y, Sprite sprite){
-		int[] p = pixel;
-		for(int X=0;X<sprite.height;X++){
-			for(int Y=0;Y<sprite.width;Y++){
-				p[(Y+(int)y)*getWidth()+X+(int)x] = sprite.bi_array[Y*sprite.width+X];
-			}	
-		}
-	}
-
 	@Override
 	public void run() {
 		while (true) {