diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/A10Entity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/A10Entity.java
index b429bb934..1f4d145e8 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/A10Entity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/A10Entity.java
@@ -99,17 +99,17 @@ public class A10Entity extends ContainerMobileVehicleEntity implements GeoEntity
 
     public A10Entity(EntityType<A10Entity> type, Level world) {
         super(type, world);
-        this.obb = new OBB(this.position().toVector3f(), new Vector3f(0.6875f, 1.09375f, 3.65625f), new Quaternionf());
-        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(8.8125f, 0.3125f, 1.40625f), new Quaternionf());
-        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(3.1875f, 0.125f, 0.96875f), new Quaternionf());
-        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.0625f, 1.09375f, 0.84375f), new Quaternionf());
-        this.obb5 = new OBB(this.position().toVector3f(), new Vector3f(0.0625f, 1.09375f, 0.84375f), new Quaternionf());
-        this.obb6 = new OBB(this.position().toVector3f(), new Vector3f(0.625f, 0.78125f, 1.09375f), new Quaternionf());
-        this.obb7 = new OBB(this.position().toVector3f(), new Vector3f(0.6875f, 0.75f, 2.9375f), new Quaternionf());
-        this.obb8 = new OBB(this.position().toVector3f(), new Vector3f(0.75f, 0.75f, 1.5625f), new Quaternionf());
-        this.obb9 = new OBB(this.position().toVector3f(), new Vector3f(0.75f, 0.75f, 1.5625f), new Quaternionf());
-        this.obb10 = new OBB(this.position().toVector3f(), new Vector3f(0.34375f, 0.359375f, 1.78125f), new Quaternionf());
-        this.obb11 = new OBB(this.position().toVector3f(), new Vector3f(0.34375f, 0.359375f, 1.78125f), new Quaternionf());
+        this.obb = new OBB(this.position().toVector3f(), new Vector3f(0.6875f, 1.09375f, 3.65625f), new Quaternionf(), OBB.Part.BODY);
+        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(8.8125f, 0.3125f, 1.40625f), new Quaternionf(), OBB.Part.BODY);
+        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(3.1875f, 0.125f, 0.96875f), new Quaternionf(), OBB.Part.BODY);
+        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.0625f, 1.09375f, 0.84375f), new Quaternionf(), OBB.Part.BODY);
+        this.obb5 = new OBB(this.position().toVector3f(), new Vector3f(0.0625f, 1.09375f, 0.84375f), new Quaternionf(), OBB.Part.BODY);
+        this.obb6 = new OBB(this.position().toVector3f(), new Vector3f(0.625f, 0.78125f, 1.09375f), new Quaternionf(), OBB.Part.BODY);
+        this.obb7 = new OBB(this.position().toVector3f(), new Vector3f(0.6875f, 0.75f, 2.9375f), new Quaternionf(), OBB.Part.BODY);
+        this.obb8 = new OBB(this.position().toVector3f(), new Vector3f(0.75f, 0.75f, 1.5625f), new Quaternionf(), OBB.Part.BODY);
+        this.obb9 = new OBB(this.position().toVector3f(), new Vector3f(0.75f, 0.75f, 1.5625f), new Quaternionf(), OBB.Part.BODY);
+        this.obb10 = new OBB(this.position().toVector3f(), new Vector3f(0.34375f, 0.359375f, 1.78125f), new Quaternionf(), OBB.Part.BODY);
+        this.obb11 = new OBB(this.position().toVector3f(), new Vector3f(0.34375f, 0.359375f, 1.78125f), new Quaternionf(), OBB.Part.BODY);
     }
 
     @Override
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Ah6Entity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Ah6Entity.java
index 552571b60..b2d649595 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Ah6Entity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Ah6Entity.java
@@ -81,11 +81,11 @@ public class Ah6Entity extends ContainerMobileVehicleEntity implements GeoEntity
 
     public Ah6Entity(EntityType<Ah6Entity> type, Level world) {
         super(type, world);
-        this.obb = new OBB(this.position().toVector3f(), new Vector3f(1.0625f, 1.28125f, 1.625f), new Quaternionf());
-        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(0.875f, 0.6875f, 0.59375f), new Quaternionf());
-        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(0.25f, 0.3125f, 2.25f), new Quaternionf());
-        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.0625f, 1.15625f, 0.40625f), new Quaternionf());
-        this.obb5 = new OBB(this.position().toVector3f(), new Vector3f(1f, 0.25f, 0.21875f), new Quaternionf());
+        this.obb = new OBB(this.position().toVector3f(), new Vector3f(1.0625f, 1.28125f, 1.625f), new Quaternionf(), OBB.Part.BODY);
+        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(0.875f, 0.6875f, 0.59375f), new Quaternionf(), OBB.Part.BODY);
+        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(0.25f, 0.3125f, 2.25f), new Quaternionf(), OBB.Part.BODY);
+        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.0625f, 1.15625f, 0.40625f), new Quaternionf(), OBB.Part.BODY);
+        this.obb5 = new OBB(this.position().toVector3f(), new Vector3f(1f, 0.25f, 0.21875f), new Quaternionf(), OBB.Part.BODY);
     }
 
     @Override
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/AnnihilatorEntity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/AnnihilatorEntity.java
index e2cb322ca..8e3cc36a4 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/AnnihilatorEntity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/AnnihilatorEntity.java
@@ -79,11 +79,11 @@ public class AnnihilatorEntity extends EnergyVehicleEntity implements GeoEntity,
 
     public AnnihilatorEntity(EntityType<AnnihilatorEntity> type, Level world) {
         super(type, world);
-        this.obb = new OBB(this.position().toVector3f(), new Vector3f(6.4375f, 1.84375f, 4.125f), new Quaternionf());
-        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(5.0625f, 1.40625f, 1.5f), new Quaternionf());
-        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(5.1875f, 1.84375f, 1.96875f), new Quaternionf());
-        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(4.125f, 1.84375f, 0.75f), new Quaternionf());
-        this.obb5 = new OBB(this.position().toVector3f(), new Vector3f(7.75f, 0.71875f, 1.46875f), new Quaternionf());
+        this.obb = new OBB(this.position().toVector3f(), new Vector3f(6.4375f, 1.84375f, 4.125f), new Quaternionf(), OBB.Part.BODY);
+        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(5.0625f, 1.40625f, 1.5f), new Quaternionf(), OBB.Part.BODY);
+        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(5.1875f, 1.84375f, 1.96875f), new Quaternionf(), OBB.Part.BODY);
+        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(4.125f, 1.84375f, 0.75f), new Quaternionf(), OBB.Part.BODY);
+        this.obb5 = new OBB(this.position().toVector3f(), new Vector3f(7.75f, 0.71875f, 1.46875f), new Quaternionf(), OBB.Part.BODY);
         this.noCulling = true;
     }
 
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Bmp2Entity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Bmp2Entity.java
index 511836ca3..050936631 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Bmp2Entity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Bmp2Entity.java
@@ -78,11 +78,11 @@ public class Bmp2Entity extends ContainerMobileVehicleEntity implements GeoEntit
 
     public Bmp2Entity(EntityType<Bmp2Entity> type, Level world) {
         super(type, world);
-        this.obb = new OBB(this.position().toVector3f(), new Vector3f(2.1875f, 0.875f, 3.90625f), new Quaternionf());
-        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(2.1875f, 0.5f, 0.65625f), new Quaternionf());
-        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(0.375f, 0.78125f, 3.46875f), new Quaternionf());
-        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.375f, 0.78125f, 3.46875f), new Quaternionf());
-        this.obbTurret = new OBB(this.position().toVector3f(), new Vector3f(1.5f, 0.34375f, 1.5f), new Quaternionf());
+        this.obb = new OBB(this.position().toVector3f(), new Vector3f(2.1875f, 0.875f, 3.90625f), new Quaternionf(), OBB.Part.BODY);
+        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(2.1875f, 0.5f, 0.65625f), new Quaternionf(), OBB.Part.BODY);
+        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(0.375f, 0.78125f, 3.46875f), new Quaternionf(), OBB.Part.BODY);
+        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.375f, 0.78125f, 3.46875f), new Quaternionf(), OBB.Part.BODY);
+        this.obbTurret = new OBB(this.position().toVector3f(), new Vector3f(1.5f, 0.34375f, 1.5f), new Quaternionf(), OBB.Part.BODY);
     }
 
     @Override
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Lav150Entity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Lav150Entity.java
index fec688e22..787d85908 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Lav150Entity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Lav150Entity.java
@@ -69,14 +69,14 @@ public class Lav150Entity extends ContainerMobileVehicleEntity implements GeoEnt
 
     public Lav150Entity(EntityType<Lav150Entity> type, Level world) {
         super(type, world);
-        this.obb = new OBB(this.position().toVector3f(), new Vector3f(0.25f, 0.75f, 0.75f), new Quaternionf());
-        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(0.25f, 0.75f, 0.75f), new Quaternionf());
-        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(0.25f, 0.75f, 0.75f), new Quaternionf());
-        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.25f, 0.75f, 0.75f), new Quaternionf());
-        this.obb5 = new OBB(this.position().toVector3f(), new Vector3f(1.3125f, 0.90625f, 2.4375f), new Quaternionf());
-        this.obb6 = new OBB(this.position().toVector3f(), new Vector3f(1.3125f, 0.53125f, 0.34375f), new Quaternionf());
-        this.obb7 = new OBB(this.position().toVector3f(), new Vector3f(1.3125f, 0.625f, 0.53125f), new Quaternionf());
-        this.obbTurret = new OBB(this.position().toVector3f(), new Vector3f(0.875f, 0.3625f, 1.25f), new Quaternionf());
+        this.obb = new OBB(this.position().toVector3f(), new Vector3f(0.25f, 0.75f, 0.75f), new Quaternionf(), OBB.Part.BODY);
+        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(0.25f, 0.75f, 0.75f), new Quaternionf(), OBB.Part.BODY);
+        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(0.25f, 0.75f, 0.75f), new Quaternionf(), OBB.Part.BODY);
+        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.25f, 0.75f, 0.75f), new Quaternionf(), OBB.Part.BODY);
+        this.obb5 = new OBB(this.position().toVector3f(), new Vector3f(1.3125f, 0.90625f, 2.4375f), new Quaternionf(), OBB.Part.BODY);
+        this.obb6 = new OBB(this.position().toVector3f(), new Vector3f(1.3125f, 0.53125f, 0.34375f), new Quaternionf(), OBB.Part.BODY);
+        this.obb7 = new OBB(this.position().toVector3f(), new Vector3f(1.3125f, 0.625f, 0.53125f), new Quaternionf(), OBB.Part.BODY);
+        this.obbTurret = new OBB(this.position().toVector3f(), new Vector3f(0.875f, 0.3625f, 1.25f), new Quaternionf(), OBB.Part.BODY);
     }
 
     @Override
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/PrismTankEntity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/PrismTankEntity.java
index 8353e88e4..ebf043e95 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/PrismTankEntity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/PrismTankEntity.java
@@ -89,12 +89,12 @@ public class PrismTankEntity extends ContainerMobileVehicleEntity implements Geo
     public PrismTankEntity(EntityType<PrismTankEntity> type, Level world) {
         super(type, world);
         this.noCulling = true;
-        this.obb = new OBB(this.position().toVector3f(), new Vector3f(2.5f, 0.8125f, 3.96875f), new Quaternionf());
-        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(2.5f, 0.5f, 0.375f), new Quaternionf());
-        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(0.46875f, 0.78125f, 3.3125f), new Quaternionf());
-        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.46875f, 0.78125f, 3.3125f), new Quaternionf());
-        this.obb5 = new OBB(this.position().toVector3f(), new Vector3f(1.375f, 0.28125f, 1.375f), new Quaternionf());
-        this.obbTurret = new OBB(this.position().toVector3f(), new Vector3f(0.4375f, 0.90625f, 1.21875f), new Quaternionf());
+        this.obb = new OBB(this.position().toVector3f(), new Vector3f(2.5f, 0.8125f, 3.96875f), new Quaternionf(), OBB.Part.BODY);
+        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(2.5f, 0.5f, 0.375f), new Quaternionf(), OBB.Part.BODY);
+        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(0.46875f, 0.78125f, 3.3125f), new Quaternionf(), OBB.Part.BODY);
+        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.46875f, 0.78125f, 3.3125f), new Quaternionf(), OBB.Part.BODY);
+        this.obb5 = new OBB(this.position().toVector3f(), new Vector3f(1.375f, 0.28125f, 1.375f), new Quaternionf(), OBB.Part.BODY);
+        this.obbTurret = new OBB(this.position().toVector3f(), new Vector3f(0.4375f, 0.90625f, 1.21875f), new Quaternionf(), OBB.Part.BODY);
     }
 
     @Override
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/SpeedboatEntity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/SpeedboatEntity.java
index df784911c..8e3329c99 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/SpeedboatEntity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/SpeedboatEntity.java
@@ -54,8 +54,8 @@ public class SpeedboatEntity extends ContainerMobileVehicleEntity implements Geo
 
     public SpeedboatEntity(EntityType<SpeedboatEntity> type, Level world) {
         super(type, world);
-        this.obb = new OBB(this.position().toVector3f(), new Vector3f(1.5625f, 0.75f, 3.1875f), new Quaternionf());
-        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(1.0625f, 0.5f, 1.90625f), new Quaternionf());
+        this.obb = new OBB(this.position().toVector3f(), new Vector3f(1.5625f, 0.75f, 3.1875f), new Quaternionf(), OBB.Part.BODY);
+        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(1.0625f, 0.5f, 1.90625f), new Quaternionf(), OBB.Part.BODY);
     }
 
     @Override
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Yx100Entity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Yx100Entity.java
index fbbc41613..30518674a 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Yx100Entity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Yx100Entity.java
@@ -94,12 +94,12 @@ public class Yx100Entity extends ContainerMobileVehicleEntity implements GeoEnti
 
     public Yx100Entity(EntityType<Yx100Entity> type, Level world) {
         super(type, world);
-        this.obb = new OBB(this.position().toVector3f(), new Vector3f(2.375f, 0.71875f, 4f), new Quaternionf());
-        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(2.375f, 0.59375f, 0.65625f), new Quaternionf());
-        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(0.625f, 0.84375f, 3.875f), new Quaternionf());
-        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.625f, 0.84375f, 3.875f), new Quaternionf());
-        this.obbTurret = new OBB(this.position().toVector3f(), new Vector3f(2.375f, 0.5625f, 2.1875f), new Quaternionf());
-        this.obbTurret2 = new OBB(this.position().toVector3f(), new Vector3f(1.625f, 0.40625f, 0.59375f), new Quaternionf());
+        this.obb = new OBB(this.position().toVector3f(), new Vector3f(2.375f, 0.71875f, 4f), new Quaternionf(), OBB.Part.BODY);
+        this.obb2 = new OBB(this.position().toVector3f(), new Vector3f(2.375f, 0.59375f, 0.65625f), new Quaternionf(), OBB.Part.BODY);
+        this.obb3 = new OBB(this.position().toVector3f(), new Vector3f(0.625f, 0.84375f, 3.875f), new Quaternionf(), OBB.Part.BODY);
+        this.obb4 = new OBB(this.position().toVector3f(), new Vector3f(0.625f, 0.84375f, 3.875f), new Quaternionf(), OBB.Part.BODY);
+        this.obbTurret = new OBB(this.position().toVector3f(), new Vector3f(2.375f, 0.5625f, 2.1875f), new Quaternionf(), OBB.Part.BODY);
+        this.obbTurret2 = new OBB(this.position().toVector3f(), new Vector3f(1.625f, 0.40625f, 0.59375f), new Quaternionf(), OBB.Part.BODY);
     }
 
     @Override
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/base/VehicleEntity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/base/VehicleEntity.java
index 0ea35c0c5..3ffd17ca2 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/base/VehicleEntity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/base/VehicleEntity.java
@@ -806,7 +806,7 @@ public abstract class VehicleEntity extends Entity {
         double cr = Math.cos(roll * 0.5 * Mth.DEG_TO_RAD);
         double sr = Math.sin(roll * 0.5 * Mth.DEG_TO_RAD);
 
-        Quaternionf q = new Quaternionf();
+        Quaternionf q = new Quaternionf(), OBB.Part.BODY;
         q.w = (float) (cy * cp * cr + sy * sp * sr);
         q.x = (float) (cy * cp * sr - sy * sp * cr);
         q.y = (float) (sy * cp * sr + cy * sp * cr);
diff --git a/src/main/java/com/atsuishio/superbwarfare/tools/OBB.java b/src/main/java/com/atsuishio/superbwarfare/tools/OBB.java
index 44b6d4fec..e968754a7 100644
--- a/src/main/java/com/atsuishio/superbwarfare/tools/OBB.java
+++ b/src/main/java/com/atsuishio/superbwarfare/tools/OBB.java
@@ -16,7 +16,7 @@ import java.util.Optional;
  * @param extents  三个轴向上的半长
  * @param rotation 旋转
  */
-public record OBB(Vector3f center, Vector3f extents, Quaternionf rotation) {
+public record OBB(Vector3f center, Vector3f extents, Quaternionf rotation, Part part) {
 
     public void setCenter(Vector3f center) {
         this.center.set(center);
@@ -214,17 +214,17 @@ public record OBB(Vector3f center, Vector3f extents, Quaternionf rotation) {
 
     public OBB inflate(float amount) {
         Vector3f newExtents = new Vector3f(extents).add(amount, amount, amount);
-        return new OBB(center, newExtents, rotation);
+        return new OBB(center, newExtents, rotation, part);
     }
 
     public OBB inflate(float x, float y, float z) {
         Vector3f newExtents = new Vector3f(extents).add(x, y, z);
-        return new OBB(center, newExtents, rotation);
+        return new OBB(center, newExtents, rotation, part);
     }
 
     public OBB move(Vec3 vec3) {
         Vector3f newCenter = new Vector3f((float) (center.x + vec3.x), (float) (center.y + vec3.y), (float) (center.z + vec3.z));
-        return new OBB(newCenter, extents, rotation);
+        return new OBB(newCenter, extents, rotation, part);
     }
 
     /**
@@ -251,4 +251,11 @@ public record OBB(Vector3f center, Vector3f extents, Quaternionf rotation) {
                 projY <= extents.y &&
                 projZ <= extents.z;
     }
+
+    public enum Part {
+        WHEEL(),
+        TURRET(),
+        ENGINE(),
+        BODY();
+    }
 }