diff --git a/src/main/java/cactusServer/entities/Object.java b/src/main/java/cactusServer/entities/Object.java
index 0b9d975..0a9c5b0 100644
--- a/src/main/java/cactusServer/entities/Object.java
+++ b/src/main/java/cactusServer/entities/Object.java
@@ -42,7 +42,7 @@
 		setAttribute(attribute);
 		setModel(modelID);
 		setPrim(new Box());
-		setObject(new Object3D("",prim));
+		setObject(new Object3D("", prim));
 		setPlaceable(object);
 	}
 
diff --git a/src/main/java/cactusServer/utils/App.java b/src/main/java/cactusServer/utils/App.java
index 930028c..2c2aa6c 100644
--- a/src/main/java/cactusServer/utils/App.java
+++ b/src/main/java/cactusServer/utils/App.java
@@ -46,11 +46,11 @@
 		System.out.println("pass");
 	}
 
-	@Override
-	public void run() {
-		//System.out.println("�^�X�N�����s");
+	@Override
+	public void run() {
+		// System.out.println("�^�X�N�����s");
 		CollisionManager.getCollision().collisionRun();
-		removeInactivePlayers();
+		removeInactivePlayers();
 	}
 
 	public void start(int interval) {
@@ -84,25 +84,25 @@
 		Player player2 = new Player("test2", "chara2", cameraState, EmoteType.DUMMY);
 		Instances.getInstance().getPlayers().put("player2", player2);
 		// �_�~�[�I�u�W�F�N�g
-		Instances.getInstance().getInstance("test1").createObject(new Position3D(0, 0, 0), new Velocity3D(),
-				new AngularVelocity3D(), new Quaternion3D(), new Attribute(true,1), 0);
-//		// �m�F�p
-//		 String player1Encode = JSON.encode(player1, true);
-//		 String player2Encode = JSON.encode(player2, true);
-//		 Player player1Decode = JSON.decode(player1Encode, Player.class);
-//		 Player player2Decode = JSON.decode(player2Encode, Player.class);
-//		 System.out.println(JSON.encode(player1Decode, true));
-//		 System.out.println(JSON.encode(player2Decode, true));
-		
-//		JSON json = new JSON();
-//		String characterId = player1.getCharacterID();
-//		String encodeCharacterId = json.encode(characterId);
-//		System.out.println(characterId);
-//		System.out.println(encodeCharacterId);
-//		String position = json.encode(player1.getPosition());
-//		System.out.println(position);
+		Instances.getInstance().getInstance("test1").createObject(new Position3D(0, 0, 0), new Velocity3D(),
+				new AngularVelocity3D(), new Quaternion3D(), new Attribute(true, 1), 0);
+		// // �m�F�p
+		// String player1Encode = JSON.encode(player1, true);
+		// String player2Encode = JSON.encode(player2, true);
+		// Player player1Decode = JSON.decode(player1Encode, Player.class);
+		// Player player2Decode = JSON.decode(player2Encode, Player.class);
+		// System.out.println(JSON.encode(player1Decode, true));
+		// System.out.println(JSON.encode(player2Decode, true));
+
+		// JSON json = new JSON();
+		// String characterId = player1.getCharacterID();
+		// String encodeCharacterId = json.encode(characterId);
+		// System.out.println(characterId);
+		// System.out.println(encodeCharacterId);
+		// String position = json.encode(player1.getPosition());
+		// System.out.println(position);
 	}
-	
+
 	private void removeInactivePlayers() {
 		long currentTime = System.nanoTime();
 		Iterator<Map.Entry<String, Player>> it = Instances.getInstance().getPlayers().entrySet().iterator();
@@ -111,7 +111,8 @@
 			String playerId = entry.getKey();
 			Player player = entry.getValue();
 			long lastUpdateTime = player.getLastUpdateTime();
-			System.out.println(currentTime + ", " + (lastUpdateTime + Player.STOP_TIME_LIMIT) + " // playerId: " + playerId);
+			System.out.println(
+					currentTime + ", " + (lastUpdateTime + Player.STOP_TIME_LIMIT) + " // playerId: " + playerId);
 			if (currentTime > (lastUpdateTime + Player.STOP_TIME_LIMIT)) {
 				System.out.println("delete started (playerId: " + playerId + ")");
 				player.destroy();
diff --git a/src/main/java/org/ntlab/radishforandroidstudio/framework/model3D/CollisionResult.java b/src/main/java/org/ntlab/radishforandroidstudio/framework/model3D/CollisionResult.java
index 436d9d0..9a43a08 100644
--- a/src/main/java/org/ntlab/radishforandroidstudio/framework/model3D/CollisionResult.java
+++ b/src/main/java/org/ntlab/radishforandroidstudio/framework/model3D/CollisionResult.java
@@ -2,7 +2,6 @@
 
 import org.ntlab.radishforandroidstudio.java3d.Vector3d;
 
-
 public class CollisionResult {
 	public Position3D collisionPoint = new Position3D();
 	public Vector3d normal = new Vector3d();
diff --git a/src/main/java/org/ntlab/radishforandroidstudio/framework/physics/PhysicsUtility.java b/src/main/java/org/ntlab/radishforandroidstudio/framework/physics/PhysicsUtility.java
index e98c3df..f0d06e4 100644
--- a/src/main/java/org/ntlab/radishforandroidstudio/framework/physics/PhysicsUtility.java
+++ b/src/main/java/org/ntlab/radishforandroidstudio/framework/physics/PhysicsUtility.java
@@ -12,6 +12,7 @@
 
 /**
  * 物理演算のコア
+ * 
  * @author 新田直也
  *
  */
@@ -24,7 +25,9 @@
 
 	/**
 	 * 物体に加わる重力を求める
-	 * @param body 対象物体 
+	 * 
+	 * @param body
+	 *            対象物体
 	 * @return bodyに加わる重力
 	 */
 	public static Force3D getGravity(Solid3D body) {
@@ -34,7 +37,7 @@
 
 	/**
 	 * @param v
-	 *           ：単位ベクトル、あるいはゼロベクトルを引数で渡すこと
+	 *            ：単位ベクトル、あるいはゼロベクトルを引数で渡すこと
 	 */
 	public static void setGravityDirection(Vector3d v) {
 		gravityDirection = new Vector3d(v.x, v.y, v.z);
@@ -55,9 +58,13 @@
 
 	/**
 	 * 物体の反発係数から衝突時に加わる力を求める
-	 * @param interval 衝突している時間
-	 * @param nor 物体がぶつかった面の宝仙ベクトル
-	 * @param solid 物体
+	 * 
+	 * @param interval
+	 *            衝突している時間
+	 * @param nor
+	 *            物体がぶつかった面の宝仙ベクトル
+	 * @param solid
+	 *            物体
 	 * @return 衝突時に加わる力
 	 */
 	public static Force3D calcForce(long interval, Vector3d nor, Solid3D solid) {
@@ -71,8 +78,11 @@
 
 	/**
 	 * 物体と地面との衝突判定
-	 * @param obj 物体
-	 * @param ground 地面
+	 * 
+	 * @param obj
+	 *            物体
+	 * @param ground
+	 *            地面
 	 * @return 衝突情報（nullのとき衝突なし）
 	 */
 	public static CollisionResult doesIntersect(Solid3D obj, Ground ground) {
@@ -129,10 +139,15 @@
 
 	/**
 	 * 物体同士の衝突判定
-	 * @param obj1 物体1
-	 * @param part1 判定する物体1の部品の名称
-	 * @param obj2 物体2
-	 * @param part2 判定する物体2の部品の名称
+	 * 
+	 * @param obj1
+	 *            物体1
+	 * @param part1
+	 *            判定する物体1の部品の名称
+	 * @param obj2
+	 *            物体2
+	 * @param part2
+	 *            判定する物体2の部品の名称
 	 * @return 衝突情報 nullのとき衝突なし
 	 */
 	public static CollisionResult checkCollision(Object3D obj1, String part1, Object3D obj2, String part2) {
@@ -141,7 +156,7 @@
 		// BoundingSphereを使って大雑把に衝突判定を行う
 		boolean f = false;
 		if (obj1.bs != null && obj2.bs != null) {
-			// sol1 の BoundingSphere　を計算
+			// sol1 の BoundingSphere を計算
 			BoundingSphere bs1 = (BoundingSphere) (obj1.bs.clone());
 			Transform3D t3d = new Transform3D();
 			obj1.center.getTransform(t3d);
@@ -153,7 +168,7 @@
 			obj1.pos.getTransform(t3d);
 			bs1.transform(t3d);
 
-			// sol2 の BoundingSphere　を計算
+			// sol2 の BoundingSphere を計算
 			BoundingSphere bs2 = (BoundingSphere) (obj2.bs.clone());
 			obj2.center.getTransform(t3d);
 			bs2.transform(t3d);