diff --git a/.settings/org.eclipse.core.resources.prefs b/.settings/org.eclipse.core.resources.prefs
index abef6f4..d8b7bba 100644
--- a/.settings/org.eclipse.core.resources.prefs
+++ b/.settings/org.eclipse.core.resources.prefs
@@ -2,5 +2,6 @@
 encoding//src/main/java/org/ntlab/radishforandroidstudio/framework/model3D/ModelFactory.java=UTF-8
 encoding//src/main/java/org/ntlab/radishforandroidstudio/framework/model3D/Quaternion3D.java=UTF-8
 encoding//src/main/java/org/ntlab/radishforandroidstudio/framework/model3D/Universe.java=UTF-8
+encoding//src/main/java/org/ntlab/radishforandroidstudio/framework/physics/PhysicsUtility.java=UTF-8
 encoding//src/main/java/org/ntlab/radishforandroidstudio/java3d/AxisAngle4d.java=UTF-8
 encoding//src/main/java/org/ntlab/radishforandroidstudio/java3d/Box.java=UTF-8
diff --git a/src/main/java/cactusServer/entities/Object.java b/src/main/java/cactusServer/entities/Object.java
index 1d27457..0b9d975 100644
--- a/src/main/java/cactusServer/entities/Object.java
+++ b/src/main/java/cactusServer/entities/Object.java
@@ -41,8 +41,8 @@
 		setAngle(angle);
 		setAttribute(attribute);
 		setModel(modelID);
-		prim = new Box();
-		object = new Object3D("",prim);
+		setPrim(new Box());
+		setObject(new Object3D("",prim));
 		setPlaceable(object);
 	}
 
diff --git a/src/main/java/cactusServer/models/CollisionManager.java b/src/main/java/cactusServer/models/CollisionManager.java
new file mode 100644
index 0000000..8765087
--- /dev/null
+++ b/src/main/java/cactusServer/models/CollisionManager.java
@@ -0,0 +1,20 @@
+package cactusServer.models;
+
+import org.ntlab.radishforandroidstudio.framework.model3D.CollisionResult;
+
+public class CollisionManager {
+	private static CollisionManager theInstance;
+	private CollisionResult result;
+	public static CollisionManager getCollision() {
+		if (theInstance == null) {
+			theInstance = new CollisionManager();
+		}
+		return theInstance;
+	}
+	public CollisionResult getResult() {
+		return result;
+	}
+	public void setResult(CollisionResult result) {
+		this.result = result;
+	}
+}
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 f52627c..0043f2d 100644
--- a/src/main/java/org/ntlab/radishforandroidstudio/framework/physics/PhysicsUtility.java
+++ b/src/main/java/org/ntlab/radishforandroidstudio/framework/physics/PhysicsUtility.java
@@ -10,39 +10,41 @@
 import org.ntlab.radishforandroidstudio.java3d.Transform3D;
 import org.ntlab.radishforandroidstudio.java3d.Vector3d;
 
-
 /**
- * 物理演算のコア
- * @author 新田直也
+ * 迚ｩ逅�貍皮ｮ励�ｮ繧ｳ繧｢
+ * 
+ * @author 譁ｰ逕ｰ逶ｴ荵�
  *
  */
 public class PhysicsUtility {
-	public static final double GRAVITY = 9.8;	// 重力の加速度
+	public static final double GRAVITY = 9.8; // 驥榊鴨縺ｮ蜉�騾溷ｺｦ
 	public static final Vector3d horizon = new Vector3d(1.0, 0.0, 0.0);
 	public static final Vector3d vertical = new Vector3d(0.0, 1.0, 0.0);
 
 	public static Vector3d gravityDirection = new Vector3d(0.0, 1.0, 0.0);
 
 	/**
-	 * 物体に加わる重力を求める
-	 * @param body 対象物体 
-	 * @return bodyに加わる重力
+	 * 迚ｩ菴薙↓蜉�繧上ｋ驥榊鴨繧呈ｱゅａ繧�
+	 * 
+	 * @param body
+	 *            蟇ｾ雎｡迚ｩ菴�
+	 * @return body縺ｫ蜉�繧上ｋ驥榊鴨
 	 */
 	public static Force3D getGravity(Solid3D body) {
-		return new Force3D(gravityDirection.x * -body.mass * GRAVITY, gravityDirection.y * -body.mass * GRAVITY, gravityDirection.z * -body.mass * GRAVITY);
+		return new Force3D(gravityDirection.x * -body.mass * GRAVITY, gravityDirection.y * -body.mass * GRAVITY,
+				gravityDirection.z * -body.mass * GRAVITY);
 	}
 
 	/**
 	 * @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
+	 *            �ｼ壼腰菴阪�吶け繝医Ν縲√≠繧九＞縺ｯ繧ｼ繝ｭ繝吶け繝医Ν繧貞ｼ墓焚縺ｧ貂｡縺吶％縺ｨ
 	 */
 	public static void setGravityDirection(Vector3d v) {
 		gravityDirection = new Vector3d(v.x, v.y, v.z);
 	}
 
-	// モーメントの計算
-	static Vector3d calcMoment(Force3D f, Position3D gravityCenter,
-			Position3D applicationPoint) {
+	// 繝｢繝ｼ繝｡繝ｳ繝医�ｮ險育ｮ�
+	static Vector3d calcMoment(Force3D f, Position3D gravityCenter, Position3D applicationPoint) {
 		Vector3d v1 = applicationPoint.getVector3d();
 		Vector3d v2 = gravityCenter.getVector3d();
 		v1.sub(v2);
@@ -55,35 +57,41 @@
 	}
 
 	/**
-	 * 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
-	 * @return 衝突時に加わる力
+	 * 迚ｩ菴薙�ｮ蜿咲匱菫よ焚縺九ｉ陦晉ｪ∵凾縺ｫ蜉�繧上ｋ蜉帙ｒ豎ゅａ繧�
+	 * 
+	 * @param interval
+	 *            陦晉ｪ√＠縺ｦ縺�繧区凾髢�
+	 * @param nor
+	 *            迚ｩ菴薙′縺ｶ縺､縺九▲縺滄擇縺ｮ螳昜ｻ吶�吶け繝医Ν
+	 * @param solid
+	 *            迚ｩ菴�
+	 * @return 陦晉ｪ∵凾縺ｫ蜉�繧上ｋ蜉�
 	 */
 	public static Force3D calcForce(long interval, Vector3d nor, Solid3D solid) {
 		double f1 = 0.0;
-		Vector3d vf = new Vector3d(solid.getVelocity().getX(), solid
-				.getVelocity().getY(), solid.getVelocity().getZ());
-		f1 = solid.mass * (vf.length() + solid.e * vf.length())
-				/ ((double) interval / 1000.0);
+		Vector3d vf = new Vector3d(solid.getVelocity().getX(), solid.getVelocity().getY(), solid.getVelocity().getZ());
+		f1 = solid.mass * (vf.length() + solid.e * vf.length()) / ((double) interval / 1000.0);
 		nor.scale(f1);
 		Force3D f = new Force3D(nor.x, nor.y, nor.z);
 		return f;
 	}
 
 	/**
-	 * 物体と地面との衝突判定
-	 * @param obj 物体
-	 * @param ground 地面
-	 * @return 衝突情報（nullのとき衝突なし）
+	 * 迚ｩ菴薙→蝨ｰ髱｢縺ｨ縺ｮ陦晉ｪ∝愛螳�
+	 * 
+	 * @param obj
+	 *            迚ｩ菴�
+	 * @param ground
+	 *            蝨ｰ髱｢
+	 * @return 陦晉ｪ∵ュ蝣ｱ�ｼ�null縺ｮ縺ｨ縺崎｡晉ｪ√↑縺暦ｼ�
 	 */
 	public static CollisionResult doesIntersect(Solid3D obj, Ground ground) {
-		if (ground == null) return null;
+		if (ground == null)
+			return null;
 		CollisionResult cr = null;
 		BoundingSurface boundingSurface = ground.getBoundingSurface();
 
-		// BoundingSphereを使って大雑把に衝突判定を行う
+		// BoundingSphere繧剃ｽｿ縺｣縺ｦ螟ｧ髮第滑縺ｫ陦晉ｪ∝愛螳壹ｒ陦後≧
 		ArrayList<BoundingSurface> boundingSurfaceList = null;
 		if (obj.bs != null) {
 			BoundingSphere bs = (BoundingSphere) (obj.bs.clone());
@@ -96,26 +104,28 @@
 			bs.transform(t3d);
 			obj.pos.getTransform(t3d);
 			bs.transform(t3d);
-			// 粗い衝突判定を行う（最上位のBoundingSurfaceとBoundingSphereの間で）
+			// 邊励＞陦晉ｪ∝愛螳壹ｒ陦後≧�ｼ域怙荳贋ｽ阪�ｮBoundingSurface縺ｨBoundingSphere縺ｮ髢薙〒�ｼ�
 			boundingSurfaceList = boundingSurface.intersect(bs);
 			bs = null;
 			t3d = null;
 		}
 
 		if (obj.bs == null) {
-			// BoundingSphere がまだ作られていななかった場合、
-			// 詳細な衝突判定のために、最上位の全 BoundingSurface を取得する
-			if (boundingSurfaceList == null) boundingSurfaceList = new ArrayList<BoundingSurface>();
+			// BoundingSphere 縺後∪縺�菴懊ｉ繧後※縺�縺ｪ縺ｪ縺九▲縺溷�ｴ蜷医��
+			// 隧ｳ邏ｰ縺ｪ陦晉ｪ∝愛螳壹�ｮ縺溘ａ縺ｫ縲∵怙荳贋ｽ阪�ｮ蜈ｨ BoundingSurface 繧貞叙蠕励☆繧�
+			if (boundingSurfaceList == null)
+				boundingSurfaceList = new ArrayList<BoundingSurface>();
 			boundingSurfaceList.add(boundingSurface);
 		}
-		
+
 		if (boundingSurfaceList.size() > 0) {
-			// 粗い衝突判定で衝突していた場合、OBBの集合を用いてより詳しい衝突判定を行う
-			// （BoundingSphere がまだ作られていない場合、OBB の作成と同時に BoundingSphere を作成される）
+			// 邊励＞陦晉ｪ∝愛螳壹〒陦晉ｪ√＠縺ｦ縺�縺溷�ｴ蜷医�＾BB縺ｮ髮�蜷医ｒ逕ｨ縺�縺ｦ繧医ｊ隧ｳ縺励＞陦晉ｪ∝愛螳壹ｒ陦後≧
+			// �ｼ�BoundingSphere 縺後∪縺�菴懊ｉ繧後※縺�縺ｪ縺�蝣ｴ蜷医�＾BB 縺ｮ菴懈�舌→蜷梧凾縺ｫ BoundingSphere
+			// 繧剃ｽ懈�舌＆繧後ｋ�ｼ�
 			BoundingBoxVisitor obbVisitor = new BoundingBoxVisitor();
 			obj.accept(obbVisitor);
 			for (int i = 0; i < obbVisitor.getObbList().size(); i++) {
-				// OBBと衝突判定をする場合は、地面を多角形のまま扱う
+				// OBB縺ｨ陦晉ｪ∝愛螳壹ｒ縺吶ｋ蝣ｴ蜷医�ｯ縲∝慍髱｢繧貞､夊ｧ貞ｽ｢縺ｮ縺ｾ縺ｾ謇ｱ縺�
 				for (int j = 0; j < boundingSurfaceList.size(); j++) {
 					cr = boundingSurfaceList.get(j).intersect(obbVisitor.getObbList().get(i));
 					if (cr != null) {
@@ -123,7 +133,7 @@
 					}
 				}
 			}
-			obbVisitor = null;			
+			obbVisitor = null;
 		}
 		return null;
 	}
@@ -131,19 +141,18 @@
 	/**
 	 * 物体同士の衝突判定
 	 * @param obj1 物体1
-	 * @param part1 判定する物体1の部分の名称
+	 * @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の部分の名称
-	 * @return　衝突情報（nullのとき衝突なし）
+	 * @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) {
+	public static CollisionResult checkCollision(Object3D obj1, String part1, Object3D obj2, String part2) {
 		CollisionResult cr = null;
 
-		// BoundingSphereを使って大雑把に衝突判定を行う
+		// BoundingSphere繧剃ｽｿ縺｣縺ｦ螟ｧ髮第滑縺ｫ陦晉ｪ∝愛螳壹ｒ陦後≧
 		boolean f = false;
 		if (obj1.bs != null && obj2.bs != null) {
-			// sol1 の BoundingSphere　を計算
+			// sol1 縺ｮ BoundingSphere縲�繧定ｨ育ｮ�
 			BoundingSphere bs1 = (BoundingSphere) (obj1.bs.clone());
 			Transform3D t3d = new Transform3D();
 			obj1.center.getTransform(t3d);
@@ -155,7 +164,7 @@
 			obj1.pos.getTransform(t3d);
 			bs1.transform(t3d);
 
-			// sol2 の BoundingSphere　を計算
+			// sol2 縺ｮ BoundingSphere縲�繧定ｨ育ｮ�
 			BoundingSphere bs2 = (BoundingSphere) (obj2.bs.clone());
 			obj2.center.getTransform(t3d);
 			bs2.transform(t3d);
@@ -165,8 +174,8 @@
 			bs2.transform(t3d);
 			obj2.pos.getTransform(t3d);
 			bs2.transform(t3d);
-			
-			// BoundingSphere 同士の衝突判定
+
+			// BoundingSphere 蜷悟｣ｫ縺ｮ陦晉ｪ∝愛螳�
 			if (bs1.intersect(bs2)) {
 				f = true;
 			}
@@ -198,8 +207,7 @@
 						// return v;
 						return cr;
 					} else {
-						cr = visitor1.getObbList().get(i).intersect(
-								visitor2.getObbList().get(j));
+						cr = visitor1.getObbList().get(i).intersect(visitor2.getObbList().get(j));
 						if (cr != null) {
 							cr.normal.scale(-1.0);
 							// Vector3d v = new Vector3d(0,0,0);