diff --git a/app/src/main/java/com/google/ar/core/examples/java/common/framework/RWT/RWTRenderer.java b/app/src/main/java/com/google/ar/core/examples/java/common/framework/RWT/RWTRenderer.java
index da0bad2..24a4558 100644
--- a/app/src/main/java/com/google/ar/core/examples/java/common/framework/RWT/RWTRenderer.java
+++ b/app/src/main/java/com/google/ar/core/examples/java/common/framework/RWT/RWTRenderer.java
@@ -2,10 +2,13 @@
 
 import android.opengl.GLSurfaceView.Renderer;
 
+import com.google.ar.core.Session;
+import com.google.ar.core.examples.java.common.framework.model3D.Universe;
 import com.google.ar.core.examples.java.common.framework.view3D.Camera3D;
 import com.google.ar.core.examples.java.common.framework.view3D.Viewer3D;
 import com.google.ar.core.examples.java.common.java3d.GraphicsContext3D;
 import com.google.ar.core.examples.java.common.java3d.Light;
+import com.google.ar.core.examples.java.helloar.HelloArActivity;
 
 import java.util.ArrayList;
 
@@ -14,54 +17,64 @@
 
 public class RWTRenderer implements Renderer {
 	protected Viewer3D viewer;
-	protected Camera3D camera;
+	protected Session session;
+	protected HelloArActivity helloArActivity;
+	protected Universe universe;
 	protected GraphicsContext3D gc3D = null;
 
-	public RWTRenderer() {
+	public RWTRenderer(Session session, HelloArActivity helloArActivity) {
 		super();
+		this.session = session;
+		this.helloArActivity = helloArActivity;
 	}
 	
-	public void attachCamera(Camera3D camera) {
-		// onSurfaceCreated()より先に呼ばれる
-		this.camera = camera;
-		viewer = new Viewer3D(camera);
-	}
+//	public void attachCamera(Camera3D camera) {
+//		// onSurfaceCreated()より先に呼ばれる
+//		this.camera = camera;
+//		viewer = new Viewer3D(camera);
+//	}
 
 	@Override
 	public void onSurfaceCreated(GL10 gl, EGLConfig config) {
-		gc3D = new GraphicsContext3D(gl);
-		ArrayList<Light> lights = camera.getUniverse().getLights();
-		for (int i = 0; i < lights.size(); i++){
-			Light l = lights.get(i);
-			gc3D.setLight(l,i);
-		}
-		viewer.setGraphicsContext3D(gc3D);
+//		gc3D = new GraphicsContext3D(gl);
+//		ArrayList<Light> lights = camera.getUniverse().getLights();
+//		for (int i = 0; i < lights.size(); i++){
+//			Light l = lights.get(i);
+//			gc3D.setLight(l,i);
+//		}
+//		viewer.setGraphicsContext3D(gc3D);
+
+		helloArActivity.onSurfaceCreated(gl, config);
 	}
 
 	@Override
 	public void onSurfaceChanged(GL10 gl, int width, int height) {
-		if (gc3D == null) {
-			gc3D = new GraphicsContext3D(gl);
-			viewer.setGraphicsContext3D(gc3D);
-		} else {
-			viewer.setGraphicsContext3D(gc3D.setGL10(gl));
-		}
-		viewer.surfaceChanged(width, height);
+//		if (gc3D == null) {
+//			gc3D = new GraphicsContext3D(gl);
+//			viewer.setGraphicsContext3D(gc3D);
+//		} else {
+//			viewer.setGraphicsContext3D(gc3D.setGL10(gl));
+//		}
+//		viewer.surfaceChanged(width, height);
+
+		helloArActivity.onSurfaceChanged(gl, width, height);
 	}
 
 	@Override
 	public void onDrawFrame(GL10 gl) {
-		if (gc3D == null) {
-			gc3D = new GraphicsContext3D(gl);
-			viewer.setGraphicsContext3D(gc3D);
-		} else {
-			viewer.setGraphicsContext3D(gc3D.setGL10(gl));
-		}
-		viewer.onDrawFrame();
+//		if (gc3D == null) {
+//			gc3D = new GraphicsContext3D(gl);
+//			viewer.setGraphicsContext3D(gc3D);
+//		} else {
+//			viewer.setGraphicsContext3D(gc3D.setGL10(gl));
+//		}
+//		viewer.onDrawFrame();
+//
+//		// 3Dモデルのレンダリング
+//		gc3D.pushMatrix();
+//		universe.render(viewer);
+//		gc3D.popMatrix();
 
-		// 3Dモデルのレンダリング
-		gc3D.pushMatrix();
-		camera.getUniverse().render(viewer);
-		gc3D.popMatrix();
+		helloArActivity.onDrawFrame(gl);
 	}
 }