diff --git a/thermion_dart/native/include/RenderTicker.hpp b/thermion_dart/native/include/RenderTicker.hpp
index 205851a3..ae814f28 100644
--- a/thermion_dart/native/include/RenderTicker.hpp
+++ b/thermion_dart/native/include/RenderTicker.hpp
@@ -42,6 +42,7 @@ namespace thermion
         void setRenderable(filament::SwapChain *swapChain, filament::View **view, uint8_t numViews);
 
         void addAnimationManager(AnimationManager* animationManager);
+        
         void removeAnimationManager(AnimationManager* animationManager);
 
 
diff --git a/thermion_dart/native/include/c_api/TEngine.h b/thermion_dart/native/include/c_api/TEngine.h
index 0ccd23fc..edcbcda6 100644
--- a/thermion_dart/native/include/c_api/TEngine.h
+++ b/thermion_dart/native/include/c_api/TEngine.h
@@ -26,6 +26,8 @@ EMSCRIPTEN_KEEPALIVE TEngine *Engine_create(
     uint8_t stereoscopicEyeCount,
     bool disableHandleUseAfterFreeCheck
 );
+
+EMSCRIPTEN_KEEPALIVE TEngine *Engine_destroy(TEngine *tEngine);
 EMSCRIPTEN_KEEPALIVE TRenderer *Engine_createRenderer(TEngine *tEngine);
 EMSCRIPTEN_KEEPALIVE TSwapChain *Engine_createSwapChain(TEngine *tEngine, void *window, uint64_t flags);
 EMSCRIPTEN_KEEPALIVE TSwapChain *Engine_createHeadlessSwapChain(TEngine *tEngine, uint32_t width, uint32_t height, uint64_t flags);
diff --git a/thermion_dart/native/include/c_api/TRenderTicker.h b/thermion_dart/native/include/c_api/TRenderTicker.h
index 06733ef4..80d972b3 100644
--- a/thermion_dart/native/include/c_api/TRenderTicker.h
+++ b/thermion_dart/native/include/c_api/TRenderTicker.h
@@ -9,6 +9,7 @@ extern "C"
 #endif
 
 	EMSCRIPTEN_KEEPALIVE TRenderTicker *RenderTicker_create(TRenderer *tRenderer);
+	EMSCRIPTEN_KEEPALIVE void RenderTicker_destroy(TRenderTicker *tRenderTicker);
 	EMSCRIPTEN_KEEPALIVE void RenderTicker_addAnimationManager(TRenderTicker *tRenderTicker, TAnimationManager *tAnimationManager);
 	EMSCRIPTEN_KEEPALIVE void RenderTicker_removeAnimationManager(TRenderTicker *tRenderTicker, TAnimationManager *tAnimationManager);
 	
diff --git a/thermion_dart/native/include/scene/AnimationManager.hpp b/thermion_dart/native/include/scene/AnimationManager.hpp
index e5f83e02..3936c1ee 100644
--- a/thermion_dart/native/include/scene/AnimationManager.hpp
+++ b/thermion_dart/native/include/scene/AnimationManager.hpp
@@ -33,6 +33,9 @@ namespace thermion
             Scene *scene);
         ~AnimationManager();
 
+        /// @brief 
+        ///
+        /// @param frameTimeInNanos 
         void update(uint64_t frameTimeInNanos);
 
         /// @brief
diff --git a/thermion_dart/native/src/RenderTicker.cpp b/thermion_dart/native/src/RenderTicker.cpp
index ffc9f310..3d7df5ca 100644
--- a/thermion_dart/native/src/RenderTicker.cpp
+++ b/thermion_dart/native/src/RenderTicker.cpp
@@ -73,7 +73,7 @@ namespace thermion
     std::lock_guard lock(mMutex);
 
     for (auto animationManager : mAnimationManagers) {
-      animationManager->update(frameTimeInNanos * 1e-9);
+      animationManager->update(frameTimeInNanos);
     }
 
     for (const auto& [swapChain, views] : mRenderable)
diff --git a/thermion_dart/native/src/c_api/TEngine.cpp b/thermion_dart/native/src/c_api/TEngine.cpp
index 6271a5bf..62343ab6 100644
--- a/thermion_dart/native/src/c_api/TEngine.cpp
+++ b/thermion_dart/native/src/c_api/TEngine.cpp
@@ -58,6 +58,11 @@ namespace thermion
             return reinterpret_cast<TEngine *>(engine);
         }
 
+        EMSCRIPTEN_KEEPALIVE void Engine_destroy(TEngine *tEngine) {
+            auto *engine = reinterpret_cast<Engine *>(tEngine);
+            Engine::destroy(engine);
+        }
+
         EMSCRIPTEN_KEEPALIVE TRenderer *Engine_createRenderer(TEngine *tEngine)
         {
             auto *engine = reinterpret_cast<Engine *>(tEngine);
diff --git a/thermion_dart/native/src/c_api/TRenderTicker.cpp b/thermion_dart/native/src/c_api/TRenderTicker.cpp
index e96d0c93..ea6447ea 100644
--- a/thermion_dart/native/src/c_api/TRenderTicker.cpp
+++ b/thermion_dart/native/src/c_api/TRenderTicker.cpp
@@ -24,6 +24,11 @@ EMSCRIPTEN_KEEPALIVE TRenderTicker *RenderTicker_create(TRenderer *tRenderer) {
     return reinterpret_cast<TRenderTicker *>(renderTicker);
 }
 
+EMSCRIPTEN_KEEPALIVE void RenderTicker_destroy(TRenderTicker *tRenderTicker,) {
+    auto *renderTicker = reinterpret_cast<RenderTicker *>(tRenderTicker);
+    delete renderTicker;
+}
+
 EMSCRIPTEN_KEEPALIVE void RenderTicker_addAnimationManager(TRenderTicker *tRenderTicker, TAnimationManager *tAnimationManager) {
     auto *renderTicker = reinterpret_cast<RenderTicker *>(tRenderTicker);
     auto *animationManager = reinterpret_cast<thermion::AnimationManager *>(tAnimationManager);
diff --git a/thermion_dart/native/src/rendering/RenderLoop.cpp b/thermion_dart/native/src/rendering/RenderLoop.cpp
index 83f95ff5..385cb75c 100644
--- a/thermion_dart/native/src/rendering/RenderLoop.cpp
+++ b/thermion_dart/native/src/rendering/RenderLoop.cpp
@@ -43,7 +43,7 @@ void RenderLoop::iter()
         std::unique_lock<std::mutex> lock(_mutex);
         if (_requestFrameRenderCallback)
         {
-            mRenderTicker->render();
+            mRenderTicker->render(0);
             lock.unlock();
             this->_requestFrameRenderCallback();
             this->_requestFrameRenderCallback = nullptr;
diff --git a/thermion_dart/native/src/scene/AnimationManager.cpp b/thermion_dart/native/src/scene/AnimationManager.cpp
index eb7075b6..1c8e67d8 100644
--- a/thermion_dart/native/src/scene/AnimationManager.cpp
+++ b/thermion_dart/native/src/scene/AnimationManager.cpp
@@ -474,7 +474,7 @@ namespace thermion
         return boneEntities;
     }
 
-    void AnimationManager::update()
+    void AnimationManager::update(uint64_t frameTimeInNanos)
     {
         std::lock_guard lock(_mutex);
         _animationComponentManager->update();