diff --git a/Assembly-CSharp.csproj b/Assembly-CSharp.csproj
index 46c9b62..20de6a7 100644
--- a/Assembly-CSharp.csproj
+++ b/Assembly-CSharp.csproj
@@ -54,19 +54,23 @@
      <Compile Include="Assets\IsoTools\Examples\Scripts\SceneController.cs" />
      <Compile Include="Assets\IsoTools\Scripts\Internal\IsoAssocList.cs" />
      <Compile Include="Assets\IsoTools\Scripts\Internal\IsoFakeCollider.cs" />
+     <Compile Include="Assets\IsoTools\Scripts\Internal\IsoFakeCollisionListener.cs" />
      <Compile Include="Assets\IsoTools\Scripts\Internal\IsoFakeObject.cs" />
      <Compile Include="Assets\IsoTools\Scripts\Internal\IsoFakeRigidbody.cs" />
+     <Compile Include="Assets\IsoTools\Scripts\Internal\IsoFakeTriggerListener.cs" />
      <Compile Include="Assets\IsoTools\Scripts\Internal\IsoList.cs" />
      <Compile Include="Assets\IsoTools\Scripts\Internal\IsoPhysicHelper.cs" />
      <Compile Include="Assets\IsoTools\Scripts\Internal\IsoUtils.cs" />
      <Compile Include="Assets\IsoTools\Scripts\IsoBoxCollider.cs" />
      <Compile Include="Assets\IsoTools\Scripts\IsoCollider.cs" />
      <Compile Include="Assets\IsoTools\Scripts\IsoCollision.cs" />
+     <Compile Include="Assets\IsoTools\Scripts\IsoCollisionListener.cs" />
      <Compile Include="Assets\IsoTools\Scripts\IsoContactPoint.cs" />
      <Compile Include="Assets\IsoTools\Scripts\IsoObject.cs" />
      <Compile Include="Assets\IsoTools\Scripts\IsoRaycastHit.cs" />
      <Compile Include="Assets\IsoTools\Scripts\IsoRigidbody.cs" />
      <Compile Include="Assets\IsoTools\Scripts\IsoSphereCollider.cs" />
+     <Compile Include="Assets\IsoTools\Scripts\IsoTriggerListener.cs" />
      <Compile Include="Assets\IsoTools\Scripts\IsoWorld.cs" />
      <Compile Include="Assets\IsoTools\Tiled\TiledMap.cs" />
      <Compile Include="Assets\IsoTools\Tiled\TiledMapAsset.cs" />
diff --git a/Assets/IsoTools/Examples/Scenes/Scene01.unity b/Assets/IsoTools/Examples/Scenes/Scene01.unity
index 0c0ffe8..84d25bc 100644
--- a/Assets/IsoTools/Examples/Scenes/Scene01.unity
+++ b/Assets/IsoTools/Examples/Scenes/Scene01.unity
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@@ -4820,7 +4858,7 @@ Prefab:
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     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 29
+      value: 27
       objectReference: {fileID: 0}
     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalRotation.x
@@ -4902,7 +4940,7 @@ Prefab:
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     - target: {fileID: 448996, guid: 6b1a35db98b93441a95be70a9ce3a621, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 32.5
+      value: 30.5
       objectReference: {fileID: 0}
     - target: {fileID: 448996, guid: 6b1a35db98b93441a95be70a9ce3a621, type: 2}
       propertyPath: m_LocalRotation.x
@@ -4960,7 +4998,7 @@ Prefab:
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     - target: {fileID: 436798, guid: a60889c79802a4d04a26f078003a2a8d, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 11
+      value: 9
       objectReference: {fileID: 0}
     - target: {fileID: 436798, guid: a60889c79802a4d04a26f078003a2a8d, type: 2}
       propertyPath: m_LocalRotation.x
@@ -5062,7 +5100,7 @@ Prefab:
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     - target: {fileID: 452232, guid: bdd4e0dbed4fd4ea980de2f39dac8c71, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 18
+      value: 16
       objectReference: {fileID: 0}
     - target: {fileID: 452232, guid: bdd4e0dbed4fd4ea980de2f39dac8c71, type: 2}
       propertyPath: m_LocalRotation.x
@@ -5168,7 +5206,7 @@ Prefab:
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     - target: {fileID: 436798, guid: a60889c79802a4d04a26f078003a2a8d, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 20
+      value: 18
       objectReference: {fileID: 0}
     - target: {fileID: 436798, guid: a60889c79802a4d04a26f078003a2a8d, type: 2}
       propertyPath: m_LocalRotation.x
@@ -5270,7 +5308,7 @@ Prefab:
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     - target: {fileID: 452232, guid: bdd4e0dbed4fd4ea980de2f39dac8c71, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 2
+      value: 1
       objectReference: {fileID: 0}
     - target: {fileID: 452232, guid: bdd4e0dbed4fd4ea980de2f39dac8c71, type: 2}
       propertyPath: m_LocalRotation.x
@@ -5376,7 +5414,7 @@ Prefab:
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     - target: {fileID: 442828, guid: b8db6246266d74904b7ba9e26a570589, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 13.5
+      value: 11.5
       objectReference: {fileID: 0}
     - target: {fileID: 442828, guid: b8db6246266d74904b7ba9e26a570589, type: 2}
       propertyPath: m_LocalRotation.x
@@ -5434,7 +5472,7 @@ Prefab:
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     - target: {fileID: 482272, guid: c1da36e1b472b4195a4780c9d03c52de, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 17.5
+      value: 15.5
       objectReference: {fileID: 0}
     - target: {fileID: 482272, guid: c1da36e1b472b4195a4780c9d03c52de, type: 2}
       propertyPath: m_LocalRotation.x
@@ -5579,7 +5617,7 @@ Prefab:
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     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 15
+      value: 13
       objectReference: {fileID: 0}
     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalRotation.x
@@ -5657,7 +5695,7 @@ Prefab:
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     - target: {fileID: 452232, guid: bdd4e0dbed4fd4ea980de2f39dac8c71, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 8.5
+      value: 6.5
       objectReference: {fileID: 0}
     - target: {fileID: 452232, guid: bdd4e0dbed4fd4ea980de2f39dac8c71, type: 2}
       propertyPath: m_LocalRotation.x
@@ -5763,7 +5801,7 @@ Prefab:
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     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 17
+      value: 15
       objectReference: {fileID: 0}
     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalRotation.x
@@ -5845,7 +5883,7 @@ Prefab:
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     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 6.5
+      value: 4.5
       objectReference: {fileID: 0}
     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalRotation.x
@@ -5919,7 +5957,7 @@ Prefab:
       objectReference: {fileID: 0}
     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 16.5
+      value: 14.5
       objectReference: {fileID: 0}
     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalRotation.x
@@ -5997,7 +6035,7 @@ Prefab:
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     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 12
+      value: 10
       objectReference: {fileID: 0}
     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalRotation.x
@@ -6075,7 +6113,7 @@ Prefab:
       objectReference: {fileID: 0}
     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 3
+      value: 1.5
       objectReference: {fileID: 0}
     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalRotation.x
@@ -6149,7 +6187,7 @@ Prefab:
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     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 10.5
+      value: 8.5
       objectReference: {fileID: 0}
     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalRotation.x
@@ -6227,7 +6265,7 @@ Prefab:
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     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalPosition.z
-      value: 8
+      value: 6
       objectReference: {fileID: 0}
     - target: {fileID: 436736, guid: 30a269be2fc864c9ea00c7a65636d543, type: 2}
       propertyPath: m_LocalRotation.x
diff --git a/Assets/IsoTools/Examples/Scripts/IsoEchoListener.cs b/Assets/IsoTools/Examples/Scripts/IsoEchoListener.cs
index 4ba1c9d..a48158a 100644
--- a/Assets/IsoTools/Examples/Scripts/IsoEchoListener.cs
+++ b/Assets/IsoTools/Examples/Scripts/IsoEchoListener.cs
@@ -2,6 +2,7 @@
 using System.Collections;
 
 namespace IsoTools.Examples {
+	[RequireComponent(typeof(IsoTriggerListener), typeof(IsoCollisionListener))]
 	public class IsoEchoListener : MonoBehaviour {
 		void OnIsoTriggerEnter(IsoCollider iso_collider) {
 			Debug.LogFormat(
diff --git a/Assets/IsoTools/Scripts/Internal/IsoFakeCollisionListener.cs b/Assets/IsoTools/Scripts/Internal/IsoFakeCollisionListener.cs
new file mode 100644
index 0000000..f396cf1
--- /dev/null
+++ b/Assets/IsoTools/Scripts/Internal/IsoFakeCollisionListener.cs
@@ -0,0 +1,30 @@
+using UnityEngine;
+
+namespace IsoTools.Internal {
+	public class IsoFakeCollisionListener : MonoBehaviour {
+		IsoCollisionListener _isoListener = null;
+
+		public IsoFakeCollisionListener Init(IsoCollisionListener iso_listener) {
+			_isoListener = iso_listener;
+			return this;
+		}
+
+		IsoCollisionListener isoListener {
+			get { return _isoListener; }
+		}
+
+		void OnCollisionEnter(Collision collision) {
+			isoListener.gameObject.SendMessage(
+				"OnIsoCollisionEnter",
+				new IsoCollision(collision),
+				SendMessageOptions.DontRequireReceiver);
+		}
+
+		void OnCollisionExit(Collision collision) {
+			isoListener.gameObject.SendMessage(
+				"OnIsoCollisionExit",
+				new IsoCollision(collision),
+				SendMessageOptions.DontRequireReceiver);
+		}
+	}
+}
\ No newline at end of file
diff --git a/Assets/IsoTools/Scripts/Internal/IsoFakeCollisionListener.cs.meta b/Assets/IsoTools/Scripts/Internal/IsoFakeCollisionListener.cs.meta
new file mode 100644
index 0000000..1830065
--- /dev/null
+++ b/Assets/IsoTools/Scripts/Internal/IsoFakeCollisionListener.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: b3ba702b17e9f4b85aad7b29b1a06eed
+timeCreated: 1461097028
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/IsoTools/Scripts/Internal/IsoFakeObject.cs b/Assets/IsoTools/Scripts/Internal/IsoFakeObject.cs
index 747b4a5..1738cc5 100644
--- a/Assets/IsoTools/Scripts/Internal/IsoFakeObject.cs
+++ b/Assets/IsoTools/Scripts/Internal/IsoFakeObject.cs
@@ -31,33 +31,5 @@ namespace IsoTools.Internal {
 				_lastPosition = isoObject.position = transform.position;
 			}
 		}
-
-		void OnTriggerEnter(Collider collider) {
-			isoObject.gameObject.SendMessage(
-				"OnIsoTriggerEnter",
-				IsoUtils.IsoConvertCollider(collider),
-				SendMessageOptions.DontRequireReceiver);
-		}
-
-		void OnTriggerExit(Collider collider) {
-			isoObject.gameObject.SendMessage(
-				"OnIsoTriggerExit",
-				IsoUtils.IsoConvertCollider(collider),
-				SendMessageOptions.DontRequireReceiver);
-		}
-
-		void OnCollisionEnter(Collision collision) {
-			isoObject.gameObject.SendMessage(
-				"OnIsoCollisionEnter",
-				new IsoCollision(collision),
-				SendMessageOptions.DontRequireReceiver);
-		}
-		
-		void OnCollisionExit(Collision collision) {
-			isoObject.gameObject.SendMessage(
-				"OnIsoCollisionExit",
-				new IsoCollision(collision),
-				SendMessageOptions.DontRequireReceiver);
-		}
 	}
 }
diff --git a/Assets/IsoTools/Scripts/Internal/IsoFakeTriggerListener.cs b/Assets/IsoTools/Scripts/Internal/IsoFakeTriggerListener.cs
new file mode 100644
index 0000000..06b28a5
--- /dev/null
+++ b/Assets/IsoTools/Scripts/Internal/IsoFakeTriggerListener.cs
@@ -0,0 +1,30 @@
+using UnityEngine;
+
+namespace IsoTools.Internal {
+	public class IsoFakeTriggerListener : MonoBehaviour {
+		IsoTriggerListener _isoListener = null;
+
+		public IsoFakeTriggerListener Init(IsoTriggerListener iso_listener) {
+			_isoListener = iso_listener;
+			return this;
+		}
+
+		IsoTriggerListener isoListener {
+			get { return _isoListener; }
+		}
+
+		void OnTriggerEnter(Collider collider) {
+			isoListener.gameObject.SendMessage(
+				"OnIsoTriggerEnter",
+				IsoUtils.IsoConvertCollider(collider),
+				SendMessageOptions.DontRequireReceiver);
+		}
+
+		void OnTriggerExit(Collider collider) {
+			isoListener.gameObject.SendMessage(
+				"OnIsoTriggerExit",
+				IsoUtils.IsoConvertCollider(collider),
+				SendMessageOptions.DontRequireReceiver);
+		}
+	}
+}
\ No newline at end of file
diff --git a/Assets/IsoTools/Scripts/Internal/IsoFakeTriggerListener.cs.meta b/Assets/IsoTools/Scripts/Internal/IsoFakeTriggerListener.cs.meta
new file mode 100644
index 0000000..b7fbc22
--- /dev/null
+++ b/Assets/IsoTools/Scripts/Internal/IsoFakeTriggerListener.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 85a92cf713a8c4da68454e88e803bbce
+timeCreated: 1461097013
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/IsoTools/Scripts/Internal/IsoPhysicHelper.cs b/Assets/IsoTools/Scripts/Internal/IsoPhysicHelper.cs
index 4549ac5..5e027e5 100644
--- a/Assets/IsoTools/Scripts/Internal/IsoPhysicHelper.cs
+++ b/Assets/IsoTools/Scripts/Internal/IsoPhysicHelper.cs
@@ -6,18 +6,23 @@ namespace IsoTools.Internal {
 	[RequireComponent(typeof(IsoObject))]
 	public class IsoPhysicHelper : MonoBehaviour {
 
-		static List<IsoCollider > _tmpColliders   = new List<IsoCollider >(7);
-		static List<IsoRigidbody> _tmpRigidbodies = new List<IsoRigidbody>(7);
+		static List<IsoCollider>          _tmpColliders          = new List<IsoCollider>(7);
+		static List<IsoRigidbody>         _tmpRigidbodies        = new List<IsoRigidbody>(7);
+		static List<IsoTriggerListener>   _tmpTriggerListeners   = new List<IsoTriggerListener>(7);
+		static List<IsoCollisionListener> _tmpCollisionListeners = new List<IsoCollisionListener>(7);
 
 		GameObject _isoFakeObject = null;
 		public GameObject isoFakeObject {
 			get { return _isoFakeObject; }
 		}
 
+		//TODO: fix copy-paste
 		public void DestroyIfUnnecessary(Component except) {
 			var unnecessary = true;
-			GetComponents<IsoCollider >(_tmpColliders);
-			GetComponents<IsoRigidbody>(_tmpRigidbodies);
+			GetComponents<IsoCollider>         (_tmpColliders);
+			GetComponents<IsoRigidbody>        (_tmpRigidbodies);
+			GetComponents<IsoTriggerListener>  (_tmpTriggerListeners);
+			GetComponents<IsoCollisionListener>(_tmpCollisionListeners);
 			if ( unnecessary ) {
 				for ( int i = 0, e = _tmpColliders.Count; i < e; ++i ) {
 					if ( _tmpColliders[i] != except ) {
@@ -34,8 +39,26 @@ namespace IsoTools.Internal {
 					}
 				}
 			}
+			if ( unnecessary ) {
+				for ( int i = 0, e = _tmpTriggerListeners.Count; i < e; ++i ) {
+					if ( _tmpTriggerListeners[i] != except ) {
+						unnecessary = false;
+						break;
+					}
+				}
+			}
+			if ( unnecessary ) {
+				for ( int i = 0, e = _tmpCollisionListeners.Count; i < e; ++i ) {
+					if ( _tmpCollisionListeners[i] != except ) {
+						unnecessary = false;
+						break;
+					}
+				}
+			}
 			_tmpColliders.Clear();
 			_tmpRigidbodies.Clear();
+			_tmpTriggerListeners.Clear();
+			_tmpCollisionListeners.Clear();
 			if ( unnecessary ) {
 				Destroy(this);
 			}
diff --git a/Assets/IsoTools/Scripts/IsoCollisionListener.cs b/Assets/IsoTools/Scripts/IsoCollisionListener.cs
new file mode 100644
index 0000000..96c0613
--- /dev/null
+++ b/Assets/IsoTools/Scripts/IsoCollisionListener.cs
@@ -0,0 +1,30 @@
+using UnityEngine;
+using IsoTools.Internal;
+
+namespace IsoTools {
+	[DisallowMultipleComponent]
+	[RequireComponent(typeof(IsoObject))]
+	public class IsoCollisionListener : MonoBehaviour {
+
+		IsoFakeCollisionListener _fakeListener;
+
+		GameObject fakeObject {
+			get { return physicHelper.isoFakeObject; }
+		}
+
+		IsoPhysicHelper physicHelper {
+			get { return IsoUtils.GetOrCreateComponent<IsoPhysicHelper>(gameObject); }
+		}
+
+		void Awake() {
+			_fakeListener = fakeObject.AddComponent<IsoFakeCollisionListener>().Init(this);
+		}
+
+		void OnDestroy() {
+			if ( _fakeListener ) {
+				Destroy(_fakeListener);
+			}
+			physicHelper.DestroyIfUnnecessary(this);
+		}
+	}
+}
\ No newline at end of file
diff --git a/Assets/IsoTools/Scripts/IsoCollisionListener.cs.meta b/Assets/IsoTools/Scripts/IsoCollisionListener.cs.meta
new file mode 100644
index 0000000..dd038e2
--- /dev/null
+++ b/Assets/IsoTools/Scripts/IsoCollisionListener.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: c9634e461d1e942de8174ee80528a2d3
+timeCreated: 1461096905
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/IsoTools/Scripts/IsoTriggerListener.cs b/Assets/IsoTools/Scripts/IsoTriggerListener.cs
new file mode 100644
index 0000000..184f2a3
--- /dev/null
+++ b/Assets/IsoTools/Scripts/IsoTriggerListener.cs
@@ -0,0 +1,30 @@
+using UnityEngine;
+using IsoTools.Internal;
+
+namespace IsoTools {
+	[DisallowMultipleComponent]
+	[RequireComponent(typeof(IsoObject))]
+	public class IsoTriggerListener : MonoBehaviour {
+
+		IsoFakeTriggerListener _fakeListener;
+
+		GameObject fakeObject {
+			get { return physicHelper.isoFakeObject; }
+		}
+
+		IsoPhysicHelper physicHelper {
+			get { return IsoUtils.GetOrCreateComponent<IsoPhysicHelper>(gameObject); }
+		}
+
+		void Awake() {
+			_fakeListener = fakeObject.AddComponent<IsoFakeTriggerListener>().Init(this);
+		}
+
+		void OnDestroy() {
+			if ( _fakeListener ) {
+				Destroy(_fakeListener);
+			}
+			physicHelper.DestroyIfUnnecessary(this);
+		}
+	}
+}
\ No newline at end of file
diff --git a/Assets/IsoTools/Scripts/IsoTriggerListener.cs.meta b/Assets/IsoTools/Scripts/IsoTriggerListener.cs.meta
new file mode 100644
index 0000000..2754ae9
--- /dev/null
+++ b/Assets/IsoTools/Scripts/IsoTriggerListener.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 1925507eee33e42c2a04a1ae1eaa1ec5
+timeCreated: 1461096892
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: