fixed movement

Input.cs

@@ -1,4 +1,5 @@
-using OpenTK.Windowing.GraphicsLibraryFramework;
+using OpenTK.Windowing.Common;
+using OpenTK.Windowing.GraphicsLibraryFramework;
 
 namespace Voxel
 {
@@ -7,6 +8,8 @@ namespace Voxel
         private static Dictionary<Keys, bool> _keystates = new Dictionary<Keys, bool>();
         private static Dictionary<MouseButton, bool> _mouseButtonStates = new Dictionary<MouseButton, bool>();
 
+        public static Action<MouseWheelEventArgs> OnMouseWheel;
+
         public static bool GetMouseButton(MouseButton button)
         {
             return _mouseButtonStates.TryGetValue(button, out bool pressed) && pressed;
@@ -26,5 +29,10 @@ namespace Voxel
         {
             _keystates[key] = pressed;
         }
+
+        public static void MouseWheel(MouseWheelEventArgs e)
+        {
+            OnMouseWheel.Invoke(e);
+        }
     }
 }