diff --git a/sjplayer/src/sjplayer/ActorController.d b/sjplayer/src/sjplayer/ActorController.d
index 2cba4e1..c62f59b 100644
--- a/sjplayer/src/sjplayer/ActorController.d
+++ b/sjplayer/src/sjplayer/ActorController.d
@@ -79,7 +79,7 @@ struct ActorControllerFactory {
   }
 
   ///
-  @property ActorController product() {
+  @property ActorController product() out (r; r) {
     return product_;
   }
 
diff --git a/sjplayer/src/sjplayer/Context.d b/sjplayer/src/sjplayer/Context.d
index 43d7030..16578a6 100644
--- a/sjplayer/src/sjplayer/Context.d
+++ b/sjplayer/src/sjplayer/Context.d
@@ -17,6 +17,8 @@ import sjplayer.Actor,
        sjplayer.ElementDrawerInterface,
        sjplayer.ElementInterface,
        sjplayer.PostEffect,
+       sjplayer.PostEffectController,
+       sjplayer.PostEffectControllerInterface,
        sjplayer.ProgramSet,
        sjplayer.ScheduledControllerInterface,
        sjplayer.VarStore;
@@ -40,6 +42,11 @@ class Context {
           "actor",
           ActorControllerFactory(varstore, actor_),
         ),
+        tuple(
+          "posteffect",
+          PostEffectControllerFactory(varstore, posteffect_),
+        ),
+
         tuple(
           "background",
           BackgroundScheduledControllerFactory(varstore, background_),
@@ -58,12 +65,11 @@ class Context {
     drawers_     = builder.drawers[];
     controllers_ = builder.controllers[];
 
-    actor_controller_ = factories[0][1].product;
+    actor_controller_      = factories[0][1].product;
+    posteffect_controller_ = factories[1][1].product;
   }
   ///
   ~this() {
-    actor_controller_.destroy();
-
     controllers_.each!destroy;
     drawers_.each!destroy;
     elements_.each!destroy;
@@ -109,6 +115,10 @@ class Context {
   @property inout(ActorControllerInterface) actor() inout {
     return actor_controller_;
   }
+  ///
+  @property inout(PostEffectControllerInterface) posteffect() inout {
+    return posteffect_controller_;
+  }
 
  private:
   class Builder : ContextBuilderInterface {
@@ -135,5 +145,6 @@ class Context {
   ElementDrawerInterface[]       drawers_;
   ScheduledControllerInterface[] controllers_;
 
-  ActorControllerInterface actor_controller_;
+  ActorControllerInterface      actor_controller_;
+  PostEffectControllerInterface posteffect_controller_;
 }
diff --git a/sjplayer/src/sjplayer/PostEffect.d b/sjplayer/src/sjplayer/PostEffect.d
index e02e541..ad218ed 100644
--- a/sjplayer/src/sjplayer/PostEffect.d
+++ b/sjplayer/src/sjplayer/PostEffect.d
@@ -14,7 +14,7 @@ class PostEffect {
     ///
     align(1) vec2 clip_lefttop = vec2(1, 1);
     ///
-    align(1) vec2 clip_righttop = vec2(1, 1);
+    align(1) vec2 clip_rightbottom = vec2(1, 1);
   }
 
   ///
@@ -62,7 +62,9 @@ class PostEffect {
     program_.Draw(tex_, sampler_, instance, size_);
   }
 
+  ///
   Instance instance;
+  alias instance this;
 
  private:
   const vec2i size_;
diff --git a/sjplayer/src/sjplayer/PostEffectController.d b/sjplayer/src/sjplayer/PostEffectController.d
new file mode 100644
index 0000000..a3499cf
--- /dev/null
+++ b/sjplayer/src/sjplayer/PostEffectController.d
@@ -0,0 +1,74 @@
+/// License: MIT
+module sjplayer.PostEffectController;
+
+import std.range.primitives;
+
+import sjscript;
+
+import sjplayer.AbstractScheduledController,
+       sjplayer.ContextBuilderInterface,
+       sjplayer.PostEffect,
+       sjplayer.PostEffectControllerInterface,
+       sjplayer.ScheduledController,
+       sjplayer.VarStoreInterface;
+
+///
+class PostEffectController : PostEffectScheduledController, PostEffectControllerInterface {
+ public:
+  ///
+  this(
+      PostEffect posteffect,
+      in VarStoreInterface varstore,
+      in ParametersBlock[] operations) {
+    super(posteffect, varstore, operations);
+    posteffect_ = posteffect;
+  }
+
+  override void CauseDamagedEffect() {
+  }
+  override void Update() {
+  }
+
+ private:
+  PostEffect posteffect_;
+}
+
+private alias PostEffectScheduledController = ScheduledController!(
+    PostEffect,
+    [
+      "clip_left":   "clip_lefttop.x",
+      "clip_top":    "clip_lefttop.y",
+      "clip_right":  "clip_rightbottom.x",
+      "clip_bottom": "clip_rightbottom.y",
+    ]
+  );
+
+///
+struct PostEffectControllerFactory {
+ public:
+  ///
+  this(in VarStoreInterface varstore, PostEffect posteffect) {
+    varstore_   = varstore;
+    posteffect_ = posteffect;
+  }
+
+  ///
+  void Create(R)(R params, ContextBuilderInterface builder)
+      if (isInputRange!R && is(ElementType!R == ParametersBlock)) {
+    product_ = new PostEffectController(
+        posteffect_, varstore_, SortParametersBlock(params));
+    builder.AddScheduledController(product_);
+  }
+
+  ///
+  @property PostEffectController product() out (r; r) {
+    return product_;
+  }
+
+ private:
+  const VarStoreInterface varstore_;
+
+  PostEffect posteffect_;
+
+  PostEffectController product_;
+}
diff --git a/sjplayer/src/sjplayer/PostEffectControllerInterface.d b/sjplayer/src/sjplayer/PostEffectControllerInterface.d
new file mode 100644
index 0000000..ed245f5
--- /dev/null
+++ b/sjplayer/src/sjplayer/PostEffectControllerInterface.d
@@ -0,0 +1,11 @@
+/// License: MIT
+module sjplayer.PostEffectControllerInterface;
+
+///
+interface PostEffectControllerInterface {
+ public:
+  ///
+  void CauseDamagedEffect();
+  ///
+  void Update();
+}
diff --git a/sjplayer/standalone/main.d b/sjplayer/standalone/main.d
index 3911513..ac124f2 100644
--- a/sjplayer/standalone/main.d
+++ b/sjplayer/standalone/main.d
@@ -39,6 +39,7 @@ int main(string[] args) {
 
     context.OperateScheduledControllers(beat);
     context.actor.Update();
+    context.posteffect.Update();
 
     context.StartDrawing();