--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/alice/test/topology/aquarium/ViewChange.java	Thu Sep 20 21:35:23 2012 +0900
@@ -0,0 +1,61 @@
+package alice.test.topology.aquarium;
+
+import java.awt.*;
+
+import javax.media.j3d.*;
+import javax.vecmath.*;
+import com.sun.j3d.utils.universe.*;
+
+public class ViewChange extends Canvas3D {
+
+	private static final long serialVersionUID = 1L;
+	float sensitivity;
+	float distance;
+	int new_x, new_y;
+	int pre_x, pre_y;
+	SimpleUniverse universe;
+	TransformGroup Camera;
+	float camera_x, camera_y, camera_z, camera_xz, camera_xy, camera_yz = 0;
+	float phi = 0;//(float)Math.PI;
+	float theta =  (float)Math.PI/3;
+	
+	Transform3D Transform_camera_pos;
+	Transform3D Transform_camera_phi;
+	Transform3D Transform_camera_theta;
+	Vector3f Vector_camera_pos;
+	
+	public ViewChange(float Distance, float Sensitivity, GraphicsConfiguration config){
+		super(config);
+		distance = Distance;
+		sensitivity = Sensitivity;
+		universe = new SimpleUniverse(this);
+		ViewingPlatform vp = universe.getViewingPlatform();
+		Camera = vp.getViewPlatformTransform();
+
+		camera_y = distance * (float)Math.sin(theta);
+		camera_xz = distance * (float)Math.cos(theta);
+		camera_x =  camera_xz * (float)Math.sin(phi);
+		camera_z =  camera_xz * (float)Math.cos(phi);
+		
+		Vector_camera_pos = new Vector3f(camera_x, camera_y, camera_z);
+		Transform_camera_pos = new Transform3D();
+		Transform_camera_pos.setTranslation(Vector_camera_pos);
+		
+		Transform_camera_phi = new Transform3D();
+		Transform_camera_theta = new Transform3D();
+		Transform_camera_theta.rotX(-theta);
+		Transform_camera_phi.rotY(phi);
+		Transform_camera_theta.mul(Transform_camera_phi);
+		Transform_camera_pos.mul(Transform_camera_theta);
+
+		Camera.setTransform(Transform_camera_pos);
+
+		MouseViewEvent mouse = new MouseViewEvent(this);
+		addMouseMotionListener(mouse);
+		
+	}
+	
+	
+	
+}
+