diff --git a/RavEngine b/RavEngine
index 36d2a61..4ec0999 160000
--- a/RavEngine
+++ b/RavEngine
@@ -1 +1 @@
-Subproject commit 36d2a615fcebda310fae58009e51ed70b132c4f5
+Subproject commit 4ec099902aae827c1b693389d7e858eda67dee0c
diff --git a/Samples/Animation/CameraEntity.cpp b/Samples/Animation/CameraEntity.cpp
index fa8eb11..a9e3a15 100644
--- a/Samples/Animation/CameraEntity.cpp
+++ b/Samples/Animation/CameraEntity.cpp
@@ -76,6 +76,10 @@ void CameraEntity::Pound()
 	cameraScript->target.Pound();
 }
 
+void CameraEntity::Wave(){
+    cameraScript->target.Wave();
+}
+
 void CameraScriptRunner::operator()(CameraScript& script)
 {
 	const auto fpsScale = GetApp()->GetCurrentFPSScale();
diff --git a/Samples/Animation/CameraEntity.hpp b/Samples/Animation/CameraEntity.hpp
index f90edd9..4043dc1 100644
--- a/Samples/Animation/CameraEntity.hpp
+++ b/Samples/Animation/CameraEntity.hpp
@@ -21,6 +21,7 @@ struct CameraEntity : public RavEngine::GameObject {
 	void SpeedIncrement(float);
     void Jump();
     void Pound();
+    void Wave();
     
     inline auto get_id( )const{
         return id;
diff --git a/Samples/Animation/Character.cpp b/Samples/Animation/Character.cpp
index 4e95a72..7798cce 100644
--- a/Samples/Animation/Character.cpp
+++ b/Samples/Animation/Character.cpp
@@ -89,6 +89,13 @@ void CharacterScript::Tick(float fpsScale) {
 		rigidBody->setDynamicsWorldPose(vector3(0, 5, 0), GetOwner().GetTransform().GetLocalRotation());
 		//GetTransform().SetWorldPosition(vector3(0, 5, 0));
 	}
+    
+    if (tweenEnabled){
+        waveInfluenceTween.Step(fpsScale);
+        if (waveInfluenceTween.GetProgress() >= 1){
+            tweenEnabled = false;
+        }
+    }
 }
 
 void CharacterScript::Move(const vector3& dir, decimalType speedMultiplier) {
@@ -165,6 +172,25 @@ void CharacterScript::StartPounding() {
 	rigidBody->SetLinearVelocity(vector3(0,-5,0),false);
 }
 
+CharacterScript::CharacterScript(RavEngine::Entity owner, decltype(animator) a, decltype(rigidBody) r) :  animator(a), rigidBody(r), ComponentWithOwner(owner) {
+    waveInfluenceTween = {[a](decimalType d) mutable{
+        a->GetLayerAtIndex(1)->SetWeight(d);
+    },0};
+    waveInfluenceTween.AddKeyframe(0.1, RavEngine::TweenCurves::LinearCurve, 1);
+    waveInfluenceTween.AddKeyframe(0.4, RavEngine::TweenCurves::LinearCurve, 1);
+    waveInfluenceTween.AddKeyframe(0.5, RavEngine::TweenCurves::LinearCurve, 0);
+}
+
+void CharacterScript::Wave(){
+    waveInfluenceTween.Seek(0);
+    tweenEnabled = true;
+    animator->GetLayerAtIndex(1)->Play(true);
+}
+
+
+void Character::Wave(){
+    GetComponent<CharacterScript>().Wave();
+}
 
 void Character::Create(Ref<MeshCollectionSkinned> mesh, Ref<MeshCollectionStatic> handMesh, Ref<PBRMaterialInstance> handMatInst, Ref<PBRMaterialInstance> material, Ref<SkeletonAsset> skeleton) {
     GameObject::Create();
@@ -250,6 +276,7 @@ void Character::Create(Ref<MeshCollectionSkinned> mesh, Ref<MeshCollectionStatic
 	pound_begin_state.isLooping = false;
 	pound_end_state.isLooping = false;
 	pound_do_state.isLooping = false;
+    waveState.isLooping = false;
 	
 	// adjust the speed of clips
 	walk_state.speed = 2.0;
@@ -332,6 +359,7 @@ void Character::Create(Ref<MeshCollectionSkinned> mesh, Ref<MeshCollectionStatic
     layer->InsertState(pound_do_state);
 
 	auto waveLayer = animcomp.AddLayer();
+    waveLayer->SetWeight(0);
 	waveLayer->InsertState(waveState);
     
     auto mask = RavEngine::New<SkeletonMask>(skeleton, 0);	// we only want to enable the arm on this layer
diff --git a/Samples/Animation/Character.hpp b/Samples/Animation/Character.hpp
index f14b28a..1ee0595 100644
--- a/Samples/Animation/Character.hpp
+++ b/Samples/Animation/Character.hpp
@@ -4,6 +4,7 @@
 #include <RavEngine/AnimatorComponent.hpp>
 #include <RavEngine/PhysicsBodyComponent.hpp>
 #include <RavEngine/Ref.hpp>
+#include <RavEngine/Tween.hpp>
 
 namespace RavEngine {
     struct MeshCollectionSkinned;
@@ -14,12 +15,14 @@ struct CharacterScript : public RavEngine::ComponentWithOwner {
 
     RavEngine::ComponentHandle<RavEngine::AnimatorComponent> animator;
     RavEngine::ComponentHandle<RavEngine::RigidBodyDynamicComponent> rigidBody;
+    RavEngine::Tween<decimalType> waveInfluenceTween;
+    bool tweenEnabled = false;
     bool controlsEnabled = true;
     constexpr static decimalType sprintSpeed = 2.5, walkSpeed = 2;
 
     int16_t groundCounter = 0;
 
-    CharacterScript(RavEngine::Entity owner, decltype(animator) a, decltype(rigidBody) r) : animator(a), rigidBody(r), ComponentWithOwner(owner) {}
+    CharacterScript(RavEngine::Entity owner, decltype(animator) a, decltype(rigidBody) r);
 
     bool OnGround() const;
 
@@ -36,6 +39,8 @@ struct CharacterScript : public RavEngine::ComponentWithOwner {
     void OnColliderExit(RavEngine::PhysicsBodyComponent& other, const RavEngine::ContactPairPoint* contactPoints, size_t numContactPoints);
 
     void StartPounding();
+    
+    void Wave();
 
 };
 
@@ -51,6 +56,7 @@ struct Character : public RavEngine::GameObject {
 	void Move(const vector3&, decimalType speedMultiplier = 0);
 	void Jump();
 	void Pound();
+    void Wave();
     
     // anything that has these 2 calls
     // can be a target for input manager
diff --git a/Samples/Animation/Level.cpp b/Samples/Animation/Level.cpp
index 0516fe1..e30683e 100644
--- a/Samples/Animation/Level.cpp
+++ b/Samples/Animation/Level.cpp
@@ -27,7 +27,8 @@ struct InputNames{
 		* Sprint = "Sprint",
 		* Jump = "Jump",
 		* Pound = "Pound",
-		* ChangeChar = "ChangeChar";
+		* ChangeChar = "ChangeChar",
+        * Wave = "Wave";
 };
 
 constexpr static RavEngine::CacheBase::unique_key_t lvl_wall_key = 1;
@@ -89,7 +90,8 @@ Level::Level(){
 	EmplaceSystem<CameraScriptRunner>();
 	CreateDependency<CharacterScriptRunner, CameraScriptRunner>();	// character script runs after camera script
 	CreateDependency<AnimatorSystem, CharacterScriptRunner>();		// Animator system runs after the character script
-	CreateDependency<PhysicsLinkSystemWrite, CharacterScriptRunner>();	// physics writer runs afer 
+	CreateDependency<PhysicsLinkSystemWrite, CharacterScriptRunner>();	// physics writer runs afer
+    CreateDependency<AnimatorSystem,CharacterScriptRunner>();      // CharacterScript modifies animation values
 	
 #if !NOCONTROLS
 	auto im = GetApp()->inputManager = RavEngine::New<InputManager>();
@@ -102,6 +104,7 @@ Level::Level(){
 	im->AddActionMap(InputNames::Jump, SDL_SCANCODE_SPACE);
 	im->AddActionMap(InputNames::Pound, SDL_SCANCODE_LCTRL);
 	im->AddActionMap(InputNames::ChangeChar, SDL_SCANCODE_C);
+    im->AddActionMap(InputNames::Wave, SDL_SCANCODE_E);
 	
 	// AppleTV remote
 	im->AddAxisMap(InputNames::Sprint, SDL_SCANCODE_PAUSE);
@@ -122,6 +125,7 @@ Level::Level(){
 	im->BindAction(InputNames::Jump, camera, &CameraEntity::Jump, ActionState::Pressed, CID::ANY);
 	im->BindAction(InputNames::Pound, camera, &CameraEntity::Pound, ActionState::Pressed, CID::ANY);
 	im->BindAction(InputNames::ChangeChar, GetInput(this),&Level::ChangeChar, ActionState::Pressed, CID::ANY);
+    im->BindAction(InputNames::Wave, camera, &CameraEntity::Wave, ActionState::Pressed, CID::ANY);
 #else
 #endif
 
diff --git a/Samples/Flags/Flagpole.cpp b/Samples/Flags/Flagpole.cpp
index 3ab58a5..4f6f9e0 100644
--- a/Samples/Flags/Flagpole.cpp
+++ b/Samples/Flags/Flagpole.cpp
@@ -59,10 +59,10 @@ void Flagpole::Create(){
     
     AnimatorComponent::State all_anim{ 0, clips };
     all_anim.isLooping = true;
-    auto& layer = animcomp.AddLayer();
-    layer.InsertState(all_anim);
-    layer.Goto(0,true);
-    layer.Play();
+    auto layer = animcomp.AddLayer();
+    layer->InsertState(all_anim);
+    layer->Goto(0,true);
+    layer->Play();
     animcomp.debugEnabled = true;
     
     // load shaders