diff --git a/src/main/java/cactusServer/entities/Object.java b/src/main/java/cactusServer/entities/Object.java
index 1e37907..d283b34 100644
--- a/src/main/java/cactusServer/entities/Object.java
+++ b/src/main/java/cactusServer/entities/Object.java
@@ -13,16 +13,16 @@
 	private Angle angle;
 	private Attribute attribute;
 	private String model;
-	
+
 	@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);
@@ -30,7 +30,7 @@
 		setAttribute(attribute);
 		setModel(model);
 	}
-	
+
 	public Object(Position3D position, Velocity3D velocity, AngularVelocity3D angularVelocity, Angle angle,
 			Depth3D depth, Attribute attribute, String model) {
 		setPosition(position);
@@ -85,7 +85,7 @@
 	public void setAngle(Angle angle) {
 		this.angle = angle;
 	}
-	
+
 	public void setDepth(Depth3D depth) {
 		this.depth = depth;
 	}
@@ -126,17 +126,27 @@
 
 	public boolean isPerDesion(Object another) {
 		Position3D ap = another.getPosition();
-		if (position.getX() == ap.getX() && position.getY() == ap.getY() && position.getZ() == ap.getZ()) {
-			return true;
+		Depth3D ad = another.getDepth();
+		if (position.getX() <= ap.getX() && position.getX() + depth.getDepthX() >= ap.getX() + ad.getDepthX()) {
+			if (position.getY() <= ap.getY() && position.getY() + depth.getDepthY() >= ap.getY() + ad.getDepthY()) {
+				if (position.getZ() <= ap.getZ() && position.getZ() + depth.getDepthZ() >= ap.getZ() + ad.getDepthZ()) {
+					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;
-	}
+//	public boolean isPerDesion(Player another) {
+//		Position3D ap = another.getPosition();
+//		Depth3D ad = another.getDepth();
+//		if (position.getX() <= ap.getX() && position.getX() + depth.getDepthX() >= ap.getX() + ad.getDepthX()) {
+//			if (position.getY() <= ap.getY() && position.getY() + depth.getDepthY() >= ap.getY() + ad.getDepthY()) {
+//				if (position.getZ() <= ap.getZ() && position.getZ() + depth.getDepthZ() >= ap.getZ() + ad.getDepthZ()) {
+//					return true;
+//				}
+//			}
+//		}
+//		return false;
+//	}
 }
\ No newline at end of file