diff --git a/src/main/java/com/pixelgamelibrary/api/graphics/Animation.java b/src/main/java/com/pixelgamelibrary/api/graphics/Animation.java
index 84f8cc4..6639b05 100644
--- a/src/main/java/com/pixelgamelibrary/api/graphics/Animation.java
+++ b/src/main/java/com/pixelgamelibrary/api/graphics/Animation.java
@@ -17,13 +17,67 @@
 // <https://www.gnu.org/licenses/> or write to the Free Software
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 ///////////////////////////////////////////////////////////////////////////////////////////////
-
 package com.pixelgamelibrary.api.graphics;
 
+import lombok.Getter;
+import lombok.Setter;
+
 /**
  *
  * @author robertvokac
+ * @param <T>
  */
-public interface Animation {
-    
+public class Animation<T> {
+
+    T[] keyFrames;
+
+    private float frameDuration;
+    @Getter
+    @Setter
+    private AnimationMode animationMode = AnimationMode.NORMAL;
+
+    public Animation(int frameDuration, Iterable<T> keyFrames) {
+
+    }
+
+    public Animation(int frameDuration, Iterable<T> keyFrames, AnimationMode animationMode) {
+
+    }
+
+    public Animation(int frameDuration, T... keyFrames) {
+
+    }
+
+    public Animation(int frameDuration, AnimationMode animationMode, T... keyFrames) {
+
+    }
+
+    public T getKeyFrame(long gameTime) {
+        return null;//todo
+    }
+
+    public int getKeyFrameIndex(long gameTime) {
+
+        return 0;//todo
+    }
+
+    public T[] getKeyFrames() {
+        return null;//
+    }
+
+    public boolean isAnimationFinished(float gameTime) {
+        return true;//todo
+    }
+
+    public void setFrameDuration(float frameDuration) {
+    }
+
+    public float getFrameDuration() {
+        return 0;//todo
+    }
+
+    public float getAnimationDuration() {
+        return 0;//todo
+    }
+
 }
diff --git a/src/main/java/com/pixelgamelibrary/api/graphics/AnimationMode.java b/src/main/java/com/pixelgamelibrary/api/graphics/AnimationMode.java
new file mode 100644
index 0000000..ac3247c
--- /dev/null
+++ b/src/main/java/com/pixelgamelibrary/api/graphics/AnimationMode.java
@@ -0,0 +1,29 @@
+///////////////////////////////////////////////////////////////////////////////////////////////
+// Pixel: Game library.
+// Copyright (C) 2024 the original author or authors.
+//
+// This program is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation, either version 3
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see
+// <https://www.gnu.org/licenses/> or write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+///////////////////////////////////////////////////////////////////////////////////////////////
+
+package com.pixelgamelibrary.api.graphics;
+
+/**
+ *
+ * @author robertvokac
+ */
+public enum AnimationMode {
+    NORMAL, REVERSED, LOOP, LOOP_REVERSED, LOOP_PINGPONG, LOOP_RANDOM,  
+}
diff --git a/src/main/java/com/pixelgamelibrary/api/input/InputProcessorMultiplexer.java b/src/main/java/com/pixelgamelibrary/api/input/InputProcessorMultiplexer.java
new file mode 100644
index 0000000..3d5d0c8
--- /dev/null
+++ b/src/main/java/com/pixelgamelibrary/api/input/InputProcessorMultiplexer.java
@@ -0,0 +1,33 @@
+///////////////////////////////////////////////////////////////////////////////////////////////
+// Pixel: Game library.
+// Copyright (C) 2024 the original author or authors.
+//
+// This program is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation, either version 3
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see
+// <https://www.gnu.org/licenses/> or write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+///////////////////////////////////////////////////////////////////////////////////////////////
+package com.pixelgamelibrary.api.input;
+
+
+
+/** A custom input handler that manages multiple input processors in an ordered manner.
+ *
+ * @author robertvokac
+ */
+public class InputProcessorMultiplexer 
+        /*implements InputProcessor*/ 
+{
+//todo
+
+}