diff --git a/src/main/java/cactusServer/entities/Depth3D.java b/src/main/java/cactusServer/entities/Depth3D.java
new file mode 100644
index 0000000..c12721c
--- /dev/null
+++ b/src/main/java/cactusServer/entities/Depth3D.java
@@ -0,0 +1,32 @@
+package cactusServer.entities;
+
+public class Depth3D {
+	double depthX,depthY,depthZ;
+	private Depth3D() {
+		//Json�f�R�[�h�p
+	}
+	
+	public double getDepthX() {
+		return depthX;
+	}
+
+	public void setDepthX(double depthX) {
+		this.depthX = depthX;
+	}
+
+	public double getDepthY() {
+		return depthY;
+	}
+
+	public void setDepthY(double depthY) {
+		this.depthY = depthY;
+	}
+
+	public double getDepthZ() {
+		return depthZ;
+	}
+
+	public void setDepthZ(double depthZ) {
+		this.depthZ = depthZ;
+	}
+}
diff --git a/src/main/java/cactusServer/entities/Object.java b/src/main/java/cactusServer/entities/Object.java
index 42eded1..1e37907 100644
--- a/src/main/java/cactusServer/entities/Object.java
+++ b/src/main/java/cactusServer/entities/Object.java
@@ -9,17 +9,20 @@
 	private Position3D position;
 	private Velocity3D velocity;
 	private AngularVelocity3D angularVelocity;
+	private Depth3D depth;
 	private Angle angle;
 	private Attribute attribute;
 	private String model;
-	@JSONHint(ignore = true) public static final int UNIQUE_ID_LENGTH = 12;
+	
+	@JSONHint(ignore = true)
+	public static final int UNIQUE_ID_LENGTH = 12;
 
 	private Object() {
 		// JSONDecode���̌Ăяo���p
 	}
-
+	
 	public Object(Position3D position, Velocity3D velocity, AngularVelocity3D angularVelocity, Angle angle,
-			Attribute attribute, String model) {
+			 Attribute attribute, String model) {
 		setPosition(position);
 		setVelocity(velocity);
 		setAngularVelocity(angularVelocity);
@@ -27,6 +30,17 @@
 		setAttribute(attribute);
 		setModel(model);
 	}
+	
+	public Object(Position3D position, Velocity3D velocity, AngularVelocity3D angularVelocity, Angle angle,
+			Depth3D depth, Attribute attribute, String model) {
+		setPosition(position);
+		setVelocity(velocity);
+		setAngularVelocity(angularVelocity);
+		setAngle(angle);
+		setDepth(depth);
+		setAttribute(attribute);
+		setModel(model);
+	}
 
 	public Position3D getPosition() {
 		return position;
@@ -44,6 +58,10 @@
 		return angle;
 	}
 
+	public Depth3D getDepth() {
+		return depth;
+	}
+
 	public Attribute getAttribute() {
 		return attribute;
 	}
@@ -67,6 +85,10 @@
 	public void setAngle(Angle angle) {
 		this.angle = angle;
 	}
+	
+	public void setDepth(Depth3D depth) {
+		this.depth = depth;
+	}
 
 	public void setAttribute(Attribute attribute) {
 		this.attribute = attribute;
@@ -101,4 +123,20 @@
 			this.cof = cof;
 		}
 	}
-}
+
+	public boolean isPerDesion(Object another) {
+		Position3D ap = another.getPosition();
+		if (position.getX() == ap.getX() && position.getY() == ap.getY() && position.getZ() == ap.getZ()) {
+			return true;
+		}
+		return false;
+	}
+
+	public boolean isPerDesion(Player another) {
+		Position3D ap = another.getPosition();
+		if (position.getX() == ap.getX() && position.getY() == ap.getY() && position.getZ() == ap.getZ()) {
+			return true;
+		}
+		return false;
+	}
+}
\ No newline at end of file