diff --git a/Engine.Physics2D/Abstract/ICollider2D.cs b/Engine.Physics2D/Abstract/ICollider2D.cs
index 606ee8f..d0ff006 100644
--- a/Engine.Physics2D/Abstract/ICollider2D.cs
+++ b/Engine.Physics2D/Abstract/ICollider2D.cs
@@ -7,6 +7,11 @@ namespace Engine.Physics2D;
 /// </summary>
 public interface ICollider2D : IBehaviour
 {
+    /// <summary>
+    /// Event triggered when the collider is recalculated.
+    /// </summary>
+    Event<ICollider2D> OnRecalculated { get; }
+
     /// <summary>
     /// Event triggered when a collision is detected.
     /// </summary>
diff --git a/Engine.Physics2D/Collider2DBase.cs b/Engine.Physics2D/Collider2DBase.cs
index 329592d..7e13116 100644
--- a/Engine.Physics2D/Collider2DBase.cs
+++ b/Engine.Physics2D/Collider2DBase.cs
@@ -4,6 +4,7 @@ namespace Engine.Physics2D;
 
 public abstract class Collider2DBase : Behaviour2D, ICollider2D
 {
+    public Event<ICollider2D> OnRecalculated { get; } = new();
     public Event<ICollider2D, CollisionDetectionInformation> OnCollisionDetected { get; } = new();
     public Event<ICollider2D, CollisionDetectionInformation> OnCollisionResolved { get; } = new();
     public Event<ICollider2D, ICollider2D> OnTriggered { get; } = new();
@@ -30,6 +31,7 @@ public abstract class Collider2DBase : Behaviour2D, ICollider2D
 
         CalculateCollider();
         NeedsRecalculation = false;
+        OnRecalculated.Invoke(this);
     }
 
     public abstract void CalculateCollider();