Added finalizers

1 files changed, 15 insertions, 1 deletions

diff --git a/Drawable.cs b/Drawable.cs
index f01c478..67e4344 100644
--- a/Drawable.cs
+++ b/Drawable.cs
@@ -34,11 +34,25 @@ abstract class Drawable : IDisposable
     public static void DisposeAll()
     {
         foreach (Drawable drawable in Drawables.ToArray()) drawable?.Dispose();
+        Drawables.Clear();
     }
 
     public abstract void Draw();
 
     public abstract void Update(float delta);
 
-    public virtual void Dispose() => Drawables.Remove(this);
+    bool disposed =  false;
+
+    public void Dispose()
+    {
+        if (disposed) return;
+        Unload();
+        Drawables.Remove(this);
+        GC.SuppressFinalize(this);
+        disposed = true;
+    }
+
+    protected abstract void Unload();
+
+    ~Drawable() => Dispose();
 }
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